Added intial test suite for python.el.

* automated/python-tests.el
(python-tests-with-temp-buffer): New macro.
(python-tests-look-at): New function.
(python-tests-look-at-1)
(python-tests-look-at-2)
(python-indent-pep8-1)
(python-indent-pep8-2)
(python-indent-pep8-3)
(python-indent-inside-paren-1)
(python-indent-inside-paren-2)
(python-indent-after-block-1)
(python-indent-after-block-2)
(python-indent-dedenters-1)
(python-indent-after-backslash-1)
(python-indent-after-backslash-2)
(python-nav-beginning-of-defun-1)
(python-nav-beginning-of-defun-2)
(python-nav-end-of-defun-1)
(python-nav-end-of-defun-2)
(python-nav-beginning-of-statement-1)
(python-nav-end-of-statement-1)
(python-nav-forward-statement-
(python-nav-backward-statement-1)
(python-nav-backward-statement-2)
(python-nav-beginning-of-block-1)
(python-nav-end-of-block-1)
(python-nav-forward-block-1)
(python-nav-lisp-forward-sexp-safe-1)
(python-nav-forward-sexp-1)
(python-nav-forward-sexp-2)
(python-nav-forward-sexp-3)
(python-nav-up-list-1)
(python-nav-backward-up-list-1)
(python-imenu-prev-index-position-1)
(python-info-current-defun-1)
(python-info-current-defun-2)
(python-info-current-defun-3)
(python-info-current-symbol-1)
(python-info-current-symbol-2)
(python-info-current-symbol-3)
(python-info-statement-starts-block-p-1)
(python-info-statement-starts-block-p-2)
(python-info-statement-ends-block-p-1)
(python-info-statement-ends-block-p-2)
(python-info-beginning-of-statement-p-1)
(python-info-beginning-of-statement-p-2)
(python-info-end-of-statement-p-1)
(python-info-end-of-statement-p-2)
(python-info-beginning-of-block-p-1)
(python-info-beginning-of-block-p-2)
(python-info-end-of-block-p-1)
(python-info-end-of-block-p-2)
(python-info-closing-block-1)
(python-info-closing-block-2)
(python-info-line-ends-backslash-p-1)
(python-info-beginning-of-backslash-1)
(python-info-continuation-line-p-1)
(python-info-block-continuation-line-p-1)
(python-info-block-continuation-line-p-2)
(python-info-assignment-continuation-line-p-1)
(python-info-assignment-continuation-line-p-2)
(python-info-looking-at-beginning-of-defun-1)
(python-info-current-line-comment-p-1)
(python-info-current-line-empty-p)
(python-util-goto-line-1)
(python-util-clone-local-variables-1)
(python-util-forward-comment-1): New tests.

2 files changed, 2018 insertions, 0 deletions

diff --git a/test/ChangeLog b/test/ChangeLog
index a74220eeb96..5f4b9206360 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,74 @@
+2013-02-20  Fabián Ezequiel Gallina  <fgallina@cuca>
+
+	Added intial test suite for python.el.
+	* automated/python-tests.el
+	(python-tests-with-temp-buffer): New macro.
+	(python-tests-look-at): New function.
+	(python-tests-look-at-1)
+	(python-tests-look-at-2)
+	(python-indent-pep8-1)
+	(python-indent-pep8-2)
+	(python-indent-pep8-3)
+	(python-indent-inside-paren-1)
+	(python-indent-inside-paren-2)
+	(python-indent-after-block-1)
+	(python-indent-after-block-2)
+	(python-indent-dedenters-1)
+	(python-indent-after-backslash-1)
+	(python-indent-after-backslash-2)
+	(python-nav-beginning-of-defun-1)
+	(python-nav-beginning-of-defun-2)
+	(python-nav-end-of-defun-1)
+	(python-nav-end-of-defun-2)
+	(python-nav-beginning-of-statement-1)
+	(python-nav-end-of-statement-1)
+	(python-nav-forward-statement-
+	(python-nav-backward-statement-1)
+	(python-nav-backward-statement-2)
+	(python-nav-beginning-of-block-1)
+	(python-nav-end-of-block-1)
+	(python-nav-forward-block-1)
+	(python-nav-lisp-forward-sexp-safe-1)
+	(python-nav-forward-sexp-1)
+	(python-nav-forward-sexp-2)
+	(python-nav-forward-sexp-3)
+	(python-nav-up-list-1)
+	(python-nav-backward-up-list-1)
+	(python-imenu-prev-index-position-1)
+	(python-info-current-defun-1)
+	(python-info-current-defun-2)
+	(python-info-current-defun-3)
+	(python-info-current-symbol-1)
+	(python-info-current-symbol-2)
+	(python-info-current-symbol-3)
+	(python-info-statement-starts-block-p-1)
+	(python-info-statement-starts-block-p-2)
+	(python-info-statement-ends-block-p-1)
+	(python-info-statement-ends-block-p-2)
+	(python-info-beginning-of-statement-p-1)
+	(python-info-beginning-of-statement-p-2)
+	(python-info-end-of-statement-p-1)
+	(python-info-end-of-statement-p-2)
+	(python-info-beginning-of-block-p-1)
+	(python-info-beginning-of-block-p-2)
+	(python-info-end-of-block-p-1)
+	(python-info-end-of-block-p-2)
+	(python-info-closing-block-1)
+	(python-info-closing-block-2)
+	(python-info-line-ends-backslash-p-1)
+	(python-info-beginning-of-backslash-1)
+	(python-info-continuation-line-p-1)
+	(python-info-block-continuation-line-p-1)
+	(python-info-block-continuation-line-p-2)
+	(python-info-assignment-continuation-line-p-1)
+	(python-info-assignment-continuation-line-p-2)
+	(python-info-looking-at-beginning-of-defun-1)
+	(python-info-current-line-comment-p-1)
+	(python-info-current-line-empty-p)
+	(python-util-goto-line-1)
+	(python-util-clone-local-variables-1)
+	(python-util-forward-comment-1): New tests.
+
 2012-12-26  Dmitry Gutov  <dgutov@yandex.ru>
 
 	* automated/ruby-mode-tests.el
diff --git a/test/automated/python-tests.el b/test/automated/python-tests.el
new file mode 100644
index 00000000000..8dd15ffbaa7
--- /dev/null
+++ b/test/automated/python-tests.el
@@ -0,0 +1,1947 @@
+;;; python-tests.el --- Test suite for python.el
+
+;; Copyright (C) 2013 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'python)
+
+(defmacro python-tests-with-temp-buffer (contents &rest body)
+  "Create a `python-mode' enabeld temp buffer with CONTENTS.
+BODY is code to be executed within the temp buffer.  Point is
+always located at the beginning of buffer."
+  (declare (indent 1) (debug t))
+  `(with-temp-buffer
+     (python-mode)
+     (insert ,contents)
+     (goto-char (point-min))
+     ,@body))
+
+(defun python-tests-look-at (string &optional num restore-point)
+  "Move point at beginning of STRING in the current buffer.
+Optional argument NUM defaults to 1 and is an integer indicating
+how many ocurrences must be found, when positive the search is
+done forwards, otherwise backwards.  When RESTORE-POINT is
+non-nil the point is not moved but the position found is still
+returned.  When searching forward and point is already looking at
+STRING, it is skipped so the next STRING occurrence is selected."
+  (let* ((num (or num 1))
+         (starting-point (point))
+         (string (regexp-quote string))
+         (search-fn (if (> num 0) #'re-search-forward #'re-search-backward))
+         (deinc-fn (if (> num 0) #'1- #'1+))
+         (found-point))
+    (prog2
+        (catch 'exit
+          (while (not (= num 0))
+            (when (and (> num 0)
+                       (looking-at string))
+              ;; Moving forward and already looking at STRING, skip it.
+              (forward-char (length (match-string-no-properties 0))))
+            (and (not (funcall search-fn string nil t))
+                 (throw 'exit t))
+            (when (> num 0)
+              ;; `re-search-forward' leaves point at the end of the
+              ;; occurrence, move back so point is at the beginning
+              ;; instead.
+              (forward-char (- (length (match-string-no-properties 0)))))
+            (setq
+             num (funcall deinc-fn num)
+             found-point (point))))
+        found-point
+      (and restore-point (goto-char starting-point)))))
+
+
+;;; Tests for your tests, so you can test while you test.
+
+(ert-deftest python-tests-look-at-1 ()
+  "Test forward movement."
+  (python-tests-with-temp-buffer
+   "Lorem ipsum dolor sit amet, consectetur adipisicing elit,
+sed do eiusmod tempor incididunt ut labore et dolore magna
+aliqua."
+   (let ((expected (save-excursion
+                     (dotimes (i 3)
+                       (re-search-forward "et" nil t))
+                     (forward-char -2)
+                     (point))))
+     (should (= (python-tests-look-at "et" 3 t) expected))
+     ;; Even if NUM is bigger than found occurrences the point of last
+     ;; one should be returned.
+     (should (= (python-tests-look-at "et" 6 t) expected))
+     ;; If already looking at STRING, it should skip it.
+     (dotimes (i 2) (re-search-forward "et"))
+     (forward-char -2)
+     (should (= (python-tests-look-at "et") expected)))))
+
+(ert-deftest python-tests-look-at-2 ()
+  "Test backward movement."
+  (python-tests-with-temp-buffer
+   "Lorem ipsum dolor sit amet, consectetur adipisicing elit,
+sed do eiusmod tempor incididunt ut labore et dolore magna
+aliqua."
+   (let ((expected
+          (save-excursion
+            (re-search-forward "et" nil t)
+            (forward-char -2)
+            (point))))
+     (dotimes (i 3)
+       (re-search-forward "et" nil t))
+     (should (= (python-tests-look-at "et" -3 t) expected))
+     (should (= (python-tests-look-at "et" -6 t) expected)))))
+
+
+;;; Bindings
+
+
+;;; Python specialized rx
+
+
+;;; Font-lock and syntax
+
+
+;;; Indentation
+
+;; See: http://www.python.org/dev/peps/pep-0008/#indentation
+
+(ert-deftest python-indent-pep8-1 ()
+  "First pep8 case."
+  (python-tests-with-temp-buffer
+   "# Aligned with opening delimiter
+foo = long_function_name(var_one, var_two,
+                         var_three, var_four)
+"
+   (should (eq (car (python-indent-context)) 'no-indent))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "foo = long_function_name(var_one, var_two,")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "var_three, var_four)")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 25))))
+
+(ert-deftest python-indent-pep8-2 ()
+  "Second pep8 case."
+  (python-tests-with-temp-buffer
+   "# More indentation included to distinguish this from the rest.
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (should (eq (car (python-indent-context)) 'no-indent))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "def long_function_name(")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "var_one, var_two, var_three,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "var_four):")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "print (var_one)")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 4))))
+
+(ert-deftest python-indent-pep8-3 ()
+  "Third pep8 case."
+  (python-tests-with-temp-buffer
+   "# Extra indentation is not necessary.
+foo = long_function_name(
+  var_one, var_two,
+  var_three, var_four)
+"
+   (should (eq (car (python-indent-context)) 'no-indent))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "foo = long_function_name(")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "var_one, var_two,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "var_three, var_four)")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))))
+
+(ert-deftest python-indent-inside-paren-1 ()
+  "The most simple inside-paren case that shouldn't fail."
+  (python-tests-with-temp-buffer
+   "
+data = {
+    'key':
+    {
+        'objlist': [
+            {
+                'pk': 1,
+                'name': 'first',
+            },
+            {
+                'pk': 2,
+                'name': 'second',
+            }
+        ]
+    }
+}
+"
+   (python-tests-look-at "data = {")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "'key':")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "{")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "'objlist': [")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "{")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "'pk': 1,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 16))
+   (python-tests-look-at "'name': 'first',")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 16))
+   (python-tests-look-at "},")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "{")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "'pk': 2,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 16))
+   (python-tests-look-at "'name': 'second',")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 16))
+   (python-tests-look-at "}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "]")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 0))))
+
+(ert-deftest python-indent-inside-paren-2 ()
+  "Another more compact paren group style."
+  (python-tests-with-temp-buffer
+   "
+data = {'key': {
+    'objlist': [
+        {'pk': 1,
+         'name': 'first'},
+        {'pk': 2,
+         'name': 'second'}
+    ]
+}}
+"
+   (python-tests-look-at "data = {")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "'objlist': [")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "{'pk': 1,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "'name': 'first'},")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 9))
+   (python-tests-look-at "{'pk': 2,")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "'name': 'second'}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 9))
+   (python-tests-look-at "]")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "}}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "}")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 0))))
+
+(ert-deftest python-indent-after-block-1 ()
+  "The most simple after-block case that shouldn't fail."
+  (python-tests-with-temp-buffer
+   "
+def foo(a, b, c=True):
+"
+   (should (eq (car (python-indent-context)) 'no-indent))
+   (should (= (python-indent-calculate-indentation) 0))
+   (goto-char (point-max))
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 4))))
+
+(ert-deftest python-indent-after-block-2 ()
+  "A weird (malformed) multiline block statement."
+  (python-tests-with-temp-buffer
+   "
+def foo(a, b, c={
+    'a':
+}):
+"
+   (goto-char (point-max))
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 4))))
+
+(ert-deftest python-indent-dedenters-1 ()
+  "Check all dedenters."
+  (python-tests-with-temp-buffer
+   "
+def foo(a, b, c):
+    if a:
+        print (a)
+    elif b:
+        print (b)
+    else:
+        try:
+            print (c.pop())
+        except (IndexError, AttributeError):
+            print (c)
+        finally:
+            print ('nor a, nor b are true')
+"
+   (python-tests-look-at "if a:")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "print (a)")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "elif b:")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "print (b)")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "else:")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "try:")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "print (c.pop())")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "except (IndexError, AttributeError):")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "print (c)")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 12))
+   (python-tests-look-at "finally:")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 8))
+   (python-tests-look-at "print ('nor a, nor b are true')")
+   (should (eq (car (python-indent-context)) 'after-beginning-of-block))
+   (should (= (python-indent-calculate-indentation) 12))))
+
+(ert-deftest python-indent-after-backslash-1 ()
+  "The most common case."
+  (python-tests-with-temp-buffer
+   "
+from foo.bar.baz import something, something_1 \\\\
+    something_2 something_3, \\\\
+    something_4, something_5
+"
+   (python-tests-look-at "from foo.bar.baz import something, something_1")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at "something_2 something_3,")
+   (should (eq (car (python-indent-context)) 'after-backslash))
+   (should (= (python-indent-calculate-indentation) 4))
+   (python-tests-look-at "something_4, something_5")
+   (should (eq (car (python-indent-context)) 'after-backslash))
+   (should (= (python-indent-calculate-indentation) 4))
+   (goto-char (point-max))
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))))
+
+(ert-deftest python-indent-after-backslash-2 ()
+  "A pretty extreme complicated case."
+  (python-tests-with-temp-buffer
+   "
+objects = Thing.objects.all() \\\\
+                       .filter(
+                           type='toy',
+                           status='bought'
+                       ) \\\\
+                       .aggregate(
+                           Sum('amount')
+                       ) \\\\
+                       .values_list()
+"
+   (python-tests-look-at "objects = Thing.objects.all()")
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))
+   (python-tests-look-at ".filter(")
+   (should (eq (car (python-indent-context)) 'after-backslash))
+   (should (= (python-indent-calculate-indentation) 23))
+   (python-tests-look-at "type='toy',")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 27))
+   (python-tests-look-at "status='bought'")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 27))
+   (python-tests-look-at ") \\\\")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 23))
+   (python-tests-look-at ".aggregate(")
+   (should (eq (car (python-indent-context)) 'after-backslash))
+   (should (= (python-indent-calculate-indentation) 23))
+   (python-tests-look-at "Sum('amount')")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 27))
+   (python-tests-look-at ") \\\\")
+   (should (eq (car (python-indent-context)) 'inside-paren))
+   (should (= (python-indent-calculate-indentation) 23))
+   (python-tests-look-at ".values_list()")
+   (should (eq (car (python-indent-context)) 'after-backslash))
+   (should (= (python-indent-calculate-indentation) 23))
+   (forward-line 1)
+   (should (eq (car (python-indent-context)) 'after-line))
+   (should (= (python-indent-calculate-indentation) 0))))
+
+
+;;; Navigation
+
+(ert-deftest python-nav-beginning-of-defun-1 ()
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+"
+   (python-tests-look-at "return wrap")
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def wrapped_f(*args):" -1)
+                (beginning-of-line)
+                (point))))
+   (python-tests-look-at "def wrapped_f(*args):" -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def wwrap(f):" -1)
+                (beginning-of-line)
+                (point))))
+   (python-tests-look-at "def wwrap(f):" -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def decoratorFunctionWithArguments" -1)
+                (beginning-of-line)
+                (point))))))
+
+(ert-deftest python-nav-beginning-of-defun-2 ()
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+
+    def m(self):
+        self.c()
+
+        def b():
+            pass
+
+        def a():
+            pass
+
+    def c(self):
+        pass
+"
+   ;; Nested defuns, are handled with care.
+   (python-tests-look-at "def c(self):")
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def m(self):" -1)
+                (beginning-of-line)
+                (point))))
+   ;; Defuns on same levels should be respected.
+   (python-tests-look-at "def a():" -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def b():" -1)
+                (beginning-of-line)
+                (point))))
+   ;; Jump to a top level defun.
+   (python-tests-look-at "def b():" -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def m(self):" -1)
+                (beginning-of-line)
+                (point))))
+   ;; Jump to a top level defun again.
+   (python-tests-look-at "def m(self):" -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "class C(object):" -1)
+                (beginning-of-line)
+                (point))))))
+
+(ert-deftest python-nav-end-of-defun-1 ()
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+
+    def m(self):
+        self.c()
+
+        def b():
+            pass
+
+        def a():
+            pass
+
+    def c(self):
+        pass
+"
+   (should (= (save-excursion
+                (python-tests-look-at "class C(object):")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (point-max))))
+   (should (= (save-excursion
+                (python-tests-look-at "def m(self):")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def c(self):")
+                (forward-line -1)
+                (point))))
+   (should (= (save-excursion
+                (python-tests-look-at "def b():")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "def b():")
+                (forward-line 2)
+                (point))))
+   (should (= (save-excursion
+                (python-tests-look-at "def c(self):")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (point-max))))))
+
+(ert-deftest python-nav-end-of-defun-2 ()
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+"
+   (should (= (save-excursion
+                (python-tests-look-at "def decoratorFunctionWithArguments")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (point-max))))
+   (should (= (save-excursion
+                (python-tests-look-at "@decoratorFunctionWithArguments")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (point-max))))
+   (should (= (save-excursion
+                (python-tests-look-at "def wwrap(f):")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "return wwrap")
+                (line-beginning-position))))
+   (should (= (save-excursion
+                (python-tests-look-at "def wrapped_f(*args):")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "return wrapped_f")
+                (line-beginning-position))))
+   (should (= (save-excursion
+                (python-tests-look-at "f(*args)")
+                (python-nav-end-of-defun)
+                (point))
+              (save-excursion
+                (python-tests-look-at "return wrapped_f")
+                (line-beginning-position))))))
+
+
+(ert-deftest python-nav-beginning-of-statement-1 ()
+  (python-tests-with-temp-buffer
+   "
+v1 = 123 + \
+     456 + \
+     789
+v2 = (value1,
+      value2,
+
+      value3,
+      value4)
+v3 = ('this is a string'
+
+      'that is continued'
+      'between lines'
+      'within a paren',
+      # this is a comment, yo
+      'continue previous line')
+v4 = '''
+a very long
+string
+'''
+"
+   (python-tests-look-at "v2 =")
+   (python-util-forward-comment -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-statement)
+                (point))
+              (python-tests-look-at "v1 =" -1 t)))
+   (python-tests-look-at "v3 =")
+   (python-util-forward-comment -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-statement)
+                (point))
+              (python-tests-look-at "v2 =" -1 t)))
+   (python-tests-look-at "v4 =")
+   (python-util-forward-comment -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-statement)
+                (point))
+              (python-tests-look-at "v3 =" -1 t)))
+   (goto-char (point-max))
+   (python-util-forward-comment -1)
+   (should (= (save-excursion
+                (python-nav-beginning-of-statement)
+                (point))
+              (python-tests-look-at "v4 =" -1 t)))))
+
+(ert-deftest python-nav-end-of-statement-1 ()
+  (python-tests-with-temp-buffer
+   "
+v1 = 123 + \
+     456 + \
+     789
+v2 = (value1,
+      value2,
+
+      value3,
+      value4)
+v3 = ('this is a string'
+
+      'that is continued'
+      'between lines'
+      'within a paren',
+      # this is a comment, yo
+      'continue previous line')
+v4 = '''
+a very long
+string
+'''
+"
+   (python-tests-look-at "v1 =")
+   (should (= (save-excursion
+                (python-nav-end-of-statement)
+                (point))
+              (save-excursion
+                (python-tests-look-at "789")
+                (line-end-position))))
+   (python-tests-look-at "v2 =")
+   (should (= (save-excursion
+                (python-nav-end-of-statement)
+                (point))
+              (save-excursion
+                (python-tests-look-at "value4)")
+                (line-end-position))))
+   (python-tests-look-at "v3 =")
+   (should (= (save-excursion
+                (python-nav-end-of-statement)
+                (point))
+              (save-excursion
+                (python-tests-look-at
+                 "'continue previous line')")
+                (line-end-position))))
+   (python-tests-look-at "v4 =")
+   (should (= (save-excursion
+                (python-nav-end-of-statement)
+                (point))
+              (save-excursion
+                (goto-char (point-max))
+                (python-util-forward-comment -1)
+                (point))))))
+
+(ert-deftest python-nav-forward-statement-1 ()
+  (python-tests-with-temp-buffer
+   "
+v1 = 123 + \
+     456 + \
+     789
+v2 = (value1,
+      value2,
+
+      value3,
+      value4)
+v3 = ('this is a string'
+
+      'that is continued'
+      'between lines'
+      'within a paren',
+      # this is a comment, yo
+      'continue previous line')
+v4 = '''
+a very long
+string
+'''
+"
+   (python-tests-look-at "v1 =")
+   (should (= (save-excursion
+                (python-nav-forward-statement)
+                (point))
+              (python-tests-look-at "v2 =")))
+   (should (= (save-excursion
+                (python-nav-forward-statement)
+                (point))
+              (python-tests-look-at "v3 =")))
+   (should (= (save-excursion
+                (python-nav-forward-statement)
+                (point))
+              (python-tests-look-at "v4 =")))
+   (should (= (save-excursion
+                (python-nav-forward-statement)
+                (point))
+              (point-max)))))
+
+(ert-deftest python-nav-backward-statement-1 ()
+  (python-tests-with-temp-buffer
+   "
+v1 = 123 + \
+     456 + \
+     789
+v2 = (value1,
+      value2,
+
+      value3,
+      value4)
+v3 = ('this is a string'
+
+      'that is continued'
+      'between lines'
+      'within a paren',
+      # this is a comment, yo
+      'continue previous line')
+v4 = '''
+a very long
+string
+'''
+"
+   (goto-char (point-max))
+   (should (= (save-excursion
+                (python-nav-backward-statement)
+                (point))
+              (python-tests-look-at "v4 =" -1)))
+   (should (= (save-excursion
+                (python-nav-backward-statement)
+                (point))
+              (python-tests-look-at "v3 =" -1)))
+   (should (= (save-excursion
+                (python-nav-backward-statement)
+                (point))
+              (python-tests-look-at "v2 =" -1)))
+   (should (= (save-excursion
+                (python-nav-backward-statement)
+                (point))
+              (python-tests-look-at "v1 =" -1)))))
+
+(ert-deftest python-nav-backward-statement-2 ()
+  :expected-result :failed
+  (python-tests-with-temp-buffer
+   "
+v1 = 123 + \
+     456 + \
+     789
+v2 = (value1,
+      value2,
+
+      value3,
+      value4)
+"
+   ;; FIXME: For some reason `python-nav-backward-statement' is moving
+   ;; back two sentences when starting from 'value4)'.
+   (goto-char (point-max))
+   (python-util-forward-comment -1)
+   (should (= (save-excursion
+                (python-nav-backward-statement)
+                (point))
+              (python-tests-look-at "v2 =" -1 t)))))
+
+(ert-deftest python-nav-beginning-of-block-1 ()
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+"
+   (python-tests-look-at "return wwrap")
+   (should (= (save-excursion
+                (python-nav-beginning-of-block)
+                (point))
+              (python-tests-look-at "def decoratorFunctionWithArguments" -1)))
+   (python-tests-look-at "print 'Inside wwrap()'")
+   (should (= (save-excursion
+                (python-nav-beginning-of-block)
+                (point))
+              (python-tests-look-at "def wwrap(f):" -1)))
+   (python-tests-look-at "print 'After f(*args)'")
+   (end-of-line)
+   (should (= (save-excursion
+                (python-nav-beginning-of-block)
+                (point))
+              (python-tests-look-at "def wrapped_f(*args):" -1)))
+   (python-tests-look-at "return wrapped_f")
+   (should (= (save-excursion
+                (python-nav-beginning-of-block)
+                (point))
+              (python-tests-look-at "def wwrap(f):" -1)))))
+
+(ert-deftest python-nav-end-of-block-1 ()
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+"
+   (python-tests-look-at "def decoratorFunctionWithArguments")
+   (should (= (save-excursion
+                (python-nav-end-of-block)
+                (point))
+              (save-excursion
+                (goto-char (point-max))
+                (python-util-forward-comment -1)
+                (point))))
+   (python-tests-look-at "def wwrap(f):")
+   (should (= (save-excursion
+                (python-nav-end-of-block)
+                (point))
+              (save-excursion
+                (python-tests-look-at "return wrapped_f")
+                (line-end-position))))
+   (end-of-line)
+   (should (= (save-excursion
+                (python-nav-end-of-block)
+                (point))
+              (save-excursion
+                (python-tests-look-at "return wrapped_f")
+                (line-end-position))))
+   (python-tests-look-at "f(*args)")
+   (should (= (save-excursion
+                (python-nav-end-of-block)
+                (point))
+              (save-excursion
+                (python-tests-look-at "print 'After f(*args)'")
+                (line-end-position))))))
+
+(ert-deftest python-nav-forward-block-1 ()
+  "This also accounts as a test for `python-nav-backward-block'."
+  (python-tests-with-temp-buffer
+   "
+if request.user.is_authenticated():
+    # def block():
+    #     pass
+    try:
+        profile = request.user.get_profile()
+    except Profile.DoesNotExist:
+        profile = Profile.objects.create(user=request.user)
+    else:
+        if profile.stats:
+            profile.recalculate_stats()
+        else:
+            profile.clear_stats()
+    finally:
+        profile.views += 1
+        profile.save()
+"
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "if request.user.is_authenticated():")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "try:")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "except Profile.DoesNotExist:")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "else:")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "if profile.stats:")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "else:")))
+   (should (= (save-excursion (python-nav-forward-block))
+              (python-tests-look-at "finally:")))
+   ;; When point is at the last block, leave it there and return nil
+   (should (not (save-excursion (python-nav-forward-block))))
+   ;; Move backwards, and even if the number of moves is less than the
+   ;; provided argument return the point.
+   (should (= (save-excursion (python-nav-forward-block -10))
+              (python-tests-look-at
+               "if request.user.is_authenticated():" -1)))))
+
+(ert-deftest python-nav-lisp-forward-sexp-safe-1 ()
+  (python-tests-with-temp-buffer
+   "
+profile = Profile.objects.create(user=request.user)
+profile.notify()
+"
+   (python-tests-look-at "profile =")
+   (python-nav-lisp-forward-sexp-safe 4)
+   (should (looking-at "(user=request.user)"))
+   (python-tests-look-at "user=request.user")
+   (python-nav-lisp-forward-sexp-safe -1)
+   (should (looking-at "(user=request.user)"))
+   (python-nav-lisp-forward-sexp-safe -4)
+   (should (looking-at "profile ="))
+   (python-tests-look-at "user=request.user")
+   (python-nav-lisp-forward-sexp-safe 3)
+   (should (looking-at ")"))
+   (python-nav-lisp-forward-sexp-safe 1)
+   (should (looking-at "$"))
+   (python-nav-lisp-forward-sexp-safe 1)
+   (should (looking-at ".notify()"))))
+
+(ert-deftest python-nav-forward-sexp-1 ()
+  (python-tests-with-temp-buffer
+   "
+a()
+b()
+c()
+"
+   (python-tests-look-at "a()")
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (beginning-of-line)
+             (looking-at "a()")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (beginning-of-line)
+             (looking-at "b()")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (beginning-of-line)
+             (looking-at "c()")))
+   ;; Movement next to a paren should do what lisp does and
+   ;; unfortunately It can't change, because otherwise
+   ;; `blink-matching-open' breaks.
+   (python-nav-forward-sexp -1)
+   (should (looking-at "()"))
+   (should (save-excursion
+             (beginning-of-line)
+             (looking-at "c()")))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "c()"))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "b()"))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "a()"))))
+
+(ert-deftest python-nav-forward-sexp-2 ()
+  (python-tests-with-temp-buffer
+   "
+def func():
+    if True:
+        aaa = bbb
+        ccc = ddd
+        eee = fff
+    return ggg
+"
+   (python-tests-look-at "aa =")
+   (python-nav-forward-sexp)
+   (should (looking-at " = bbb"))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (back-to-indentation)
+             (looking-at "aaa = bbb")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (back-to-indentation)
+             (looking-at "ccc = ddd")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (back-to-indentation)
+             (looking-at "eee = fff")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should (save-excursion
+             (back-to-indentation)
+             (looking-at "return ggg")))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "def func():"))))
+
+(ert-deftest python-nav-forward-sexp-3 ()
+  (python-tests-with-temp-buffer
+   "
+from some_module import some_sub_module
+from another_module import another_sub_module
+
+def another_statement():
+    pass
+"
+   (python-tests-look-at "some_module")
+   (python-nav-forward-sexp)
+   (should (looking-at " import"))
+   (python-nav-forward-sexp)
+   (should (looking-at " some_sub_module"))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should
+    (save-excursion
+      (back-to-indentation)
+      (looking-at
+       "from some_module import some_sub_module")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should
+    (save-excursion
+      (back-to-indentation)
+      (looking-at
+       "from another_module import another_sub_module")))
+   (python-nav-forward-sexp)
+   (should (looking-at "$"))
+   (should
+    (save-excursion
+      (back-to-indentation)
+      (looking-at
+       "pass")))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "def another_statement():"))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "from another_module import another_sub_module"))
+   (python-nav-forward-sexp -1)
+   (should (looking-at "from some_module import some_sub_module"))))
+
+(ert-deftest python-nav-up-list-1 ()
+  (python-tests-with-temp-buffer
+   "
+def f():
+    if True:
+        return [i for i in range(3)]
+"
+   (python-tests-look-at "3)]")
+   (python-nav-up-list)
+   (should (looking-at "]"))
+   (python-nav-up-list)
+   (should (looking-at "$"))))
+
+(ert-deftest python-nav-backward-up-list-1 ()
+  :expected-result :failed
+  (python-tests-with-temp-buffer
+   "
+def f():
+    if True:
+        return [i for i in range(3)]
+"
+   (python-tests-look-at "3)]")
+   (python-nav-backward-up-list)
+   (should (looking-at "(3)\\]"))
+   (python-nav-backward-up-list)
+   (should (looking-at
+            "\\[i for i in range(3)\\]"))
+   ;; FIXME: Need to move to beginning-of-statement.
+   (python-nav-backward-up-list)
+   (should (looking-at
+            "return \\[i for i in range(3)\\]"))
+   (python-nav-backward-up-list)
+   (should (looking-at "if True:"))
+   (python-nav-backward-up-list)
+   (should (looking-at "def f():"))))
+
+
+;;; Shell integration
+
+
+;;; Shell completion
+
+
+;;; PDB Track integration
+
+
+;;; Symbol completion
+
+
+;;; Fill paragraph
+
+
+;;; Skeletons
+
+
+;;; FFAP
+
+
+;;; Code check
+
+
+;;; Eldoc
+
+
+;;; Imenu
+(ert-deftest python-imenu-prev-index-position-1 ()
+  (require 'imenu)
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+
+def test(): # Some comment
+    'This is a test function'
+    print 'test'
+
+class C(object):
+
+    def m(self):
+        self.c()
+
+        def b():
+            pass
+
+        def a():
+            pass
+
+    def c(self):
+        pass
+"
+   (let ((expected
+          '(("*Rescan*" . -99)
+            ("decoratorFunctionWithArguments" . 2)
+            ("decoratorFunctionWithArguments.wwrap" . 224)
+            ("decoratorFunctionWithArguments.wwrap.wrapped_f" . 273)
+            ("test" . 500)
+            ("C" . 575)
+            ("C.m" . 593)
+            ("C.m.b" . 628)
+            ("C.m.a" . 663)
+            ("C.c" . 698))))
+     (mapc
+      (lambda (elt)
+        (should (= (cdr (assoc-string (car elt) expected))
+                   (if (markerp (cdr elt))
+                       (marker-position (cdr elt))
+                     (cdr elt)))))
+      (imenu--make-index-alist)))))
+
+
+;;; Misc helpers
+
+(ert-deftest python-info-current-defun-1 ()
+  (python-tests-with-temp-buffer
+   "
+def foo(a, b):
+"
+   (forward-line 1)
+   (should (string= "foo" (python-info-current-defun)))
+   (should (string= "def foo" (python-info-current-defun t)))
+   (forward-line 1)
+   (should (not (python-info-current-defun)))
+   (indent-for-tab-command)
+   (should (string= "foo" (python-info-current-defun)))
+   (should (string= "def foo" (python-info-current-defun t)))))
+
+(ert-deftest python-info-current-defun-2 ()
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+
+    def m(self):
+        if True:
+            return [i for i in range(3)]
+        else:
+            return []
+
+        def b():
+            pass
+
+        def a():
+            pass
+
+    def c(self):
+        pass
+"
+   (forward-line 1)
+   (should (string= "C" (python-info-current-defun)))
+   (should (string= "class C" (python-info-current-defun t)))
+   (python-tests-look-at "return [i for ")
+   (should (string= "C.m" (python-info-current-defun)))
+   (should (string= "def C.m" (python-info-current-defun t)))
+   (python-tests-look-at "def b():")
+   (should (string= "C.m.b" (python-info-current-defun)))
+   (should (string= "def C.m.b" (python-info-current-defun t)))
+   (forward-line 2)
+   (indent-for-tab-command)
+   (python-indent-dedent-line-backspace 1)
+   (should (string= "C.m" (python-info-current-defun)))
+   (should (string= "def C.m" (python-info-current-defun t)))
+   (python-tests-look-at "def c(self):")
+   (forward-line -1)
+   (indent-for-tab-command)
+   (should (string= "C.m.a" (python-info-current-defun)))
+   (should (string= "def C.m.a" (python-info-current-defun t)))
+   (python-indent-dedent-line-backspace 1)
+   (should (string= "C.m" (python-info-current-defun)))
+   (should (string= "def C.m" (python-info-current-defun t)))
+   (python-indent-dedent-line-backspace 1)
+   (should (string= "C" (python-info-current-defun)))
+   (should (string= "class C" (python-info-current-defun t)))
+   (python-tests-look-at "def c(self):")
+   (should (string= "C.c" (python-info-current-defun)))
+   (should (string= "def C.c" (python-info-current-defun t)))
+   (python-tests-look-at "pass")
+   (should (string= "C.c" (python-info-current-defun)))
+   (should (string= "def C.c" (python-info-current-defun t)))))
+
+(ert-deftest python-info-current-defun-3 ()
+  (python-tests-with-temp-buffer
+   "
+def decoratorFunctionWithArguments(arg1, arg2, arg3):
+    '''print decorated function call data to stdout.
+
+    Usage:
+
+    @decoratorFunctionWithArguments('arg1', 'arg2')
+    def func(a, b, c=True):
+        pass
+    '''
+
+    def wwrap(f):
+        print 'Inside wwrap()'
+        def wrapped_f(*args):
+            print 'Inside wrapped_f()'
+            print 'Decorator arguments:', arg1, arg2, arg3
+            f(*args)
+            print 'After f(*args)'
+        return wrapped_f
+    return wwrap
+"
+   (python-tests-look-at "def wwrap(f):")
+   (forward-line -1)
+   (should (not (python-info-current-defun)))
+   (indent-for-tab-command 1)
+   (should (string= (python-info-current-defun)
+                    "decoratorFunctionWithArguments"))
+   (should (string= (python-info-current-defun t)
+                    "def decoratorFunctionWithArguments"))
+   (python-tests-look-at "def wrapped_f(*args):")
+   (should (string= (python-info-current-defun)
+                    "decoratorFunctionWithArguments.wwrap.wrapped_f"))
+   (should (string= (python-info-current-defun t)
+                    "def decoratorFunctionWithArguments.wwrap.wrapped_f"))
+   (python-tests-look-at "return wrapped_f")
+   (should (string= (python-info-current-defun)
+                    "decoratorFunctionWithArguments.wwrap"))
+   (should (string= (python-info-current-defun t)
+                    "def decoratorFunctionWithArguments.wwrap"))
+   (end-of-line 1)
+   (python-tests-look-at "return wwrap")
+   (should (string= (python-info-current-defun)
+                    "decoratorFunctionWithArguments"))
+   (should (string= (python-info-current-defun t)
+                    "def decoratorFunctionWithArguments"))))
+
+(ert-deftest python-info-current-symbol-1 ()
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+
+    def m(self):
+        self.c()
+
+    def c(self):
+        print ('a')
+"
+   (python-tests-look-at "self.c()")
+   (should (string= "self.c" (python-info-current-symbol)))
+   (should (string= "C.c" (python-info-current-symbol t)))))
+
+(ert-deftest python-info-current-symbol-2 ()
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+
+    class M(object):
+
+        def a(self):
+            self.c()
+
+        def c(self):
+            pass
+"
+   (python-tests-look-at "self.c()")
+   (should (string= "self.c" (python-info-current-symbol)))
+   (should (string= "C.M.c" (python-info-current-symbol t)))))
+
+(ert-deftest python-info-current-symbol-3 ()
+  "Keywords should not be considered symbols."
+  :expected-result :failed
+  (python-tests-with-temp-buffer
+   "
+class C(object):
+    pass
+"
+   ;; FIXME: keywords are not symbols.
+   (python-tests-look-at "class C")
+   (should (not (python-info-current-symbol)))
+   (should (not (python-info-current-symbol t)))
+   (python-tests-look-at "C(object)")
+   (should (string= "C" (python-info-current-symbol)))
+   (should (string= "class C" (python-info-current-symbol t)))))
+
+(ert-deftest python-info-statement-starts-block-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "def long_function_name")
+   (should (python-info-statement-starts-block-p))
+   (python-tests-look-at "print (var_one)")
+   (python-util-forward-comment -1)
+   (should (python-info-statement-starts-block-p))))
+
+(ert-deftest python-info-statement-starts-block-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError('sorry, you lose')
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (python-info-statement-starts-block-p))
+   (python-tests-look-at "raise ValueError(")
+   (python-util-forward-comment -1)
+   (should (python-info-statement-starts-block-p))))
+
+(ert-deftest python-info-statement-ends-block-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "print (var_one)")
+   (should (python-info-statement-ends-block-p))))
+
+(ert-deftest python-info-statement-ends-block-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "raise ValueError(")
+   (should (python-info-statement-ends-block-p))))
+
+(ert-deftest python-info-beginning-of-statement-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "def long_function_name")
+   (should (python-info-beginning-of-statement-p))
+   (forward-char 10)
+   (should (not (python-info-beginning-of-statement-p)))
+   (python-tests-look-at "print (var_one)")
+   (should (python-info-beginning-of-statement-p))
+   (goto-char (line-beginning-position))
+   (should (not (python-info-beginning-of-statement-p)))))
+
+(ert-deftest python-info-beginning-of-statement-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (python-info-beginning-of-statement-p))
+   (forward-char 10)
+   (should (not (python-info-beginning-of-statement-p)))
+   (python-tests-look-at "raise ValueError(")
+   (should (python-info-beginning-of-statement-p))
+   (goto-char (line-beginning-position))
+   (should (not (python-info-beginning-of-statement-p)))))
+
+(ert-deftest python-info-end-of-statement-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "def long_function_name")
+   (should (not (python-info-end-of-statement-p)))
+   (end-of-line)
+   (should (not (python-info-end-of-statement-p)))
+   (python-tests-look-at "print (var_one)")
+   (python-util-forward-comment -1)
+   (should (python-info-end-of-statement-p))
+   (python-tests-look-at "print (var_one)")
+   (should (not (python-info-end-of-statement-p)))
+   (end-of-line)
+   (should (python-info-end-of-statement-p))))
+
+(ert-deftest python-info-end-of-statement-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (not (python-info-end-of-statement-p)))
+   (end-of-line)
+   (should (not (python-info-end-of-statement-p)))
+   (python-tests-look-at "raise ValueError(")
+   (python-util-forward-comment -1)
+   (should (python-info-end-of-statement-p))
+   (python-tests-look-at "raise ValueError(")
+   (should (not (python-info-end-of-statement-p)))
+   (end-of-line)
+   (should (not (python-info-end-of-statement-p)))
+   (goto-char (point-max))
+   (python-util-forward-comment -1)
+   (should (python-info-end-of-statement-p))))
+
+(ert-deftest python-info-beginning-of-block-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "def long_function_name")
+   (should (python-info-beginning-of-block-p))
+   (python-tests-look-at "var_one, var_two, var_three,")
+   (should (not (python-info-beginning-of-block-p)))
+   (python-tests-look-at "print (var_one)")
+   (should (not (python-info-beginning-of-block-p)))))
+
+(ert-deftest python-info-beginning-of-block-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (python-info-beginning-of-block-p))
+   (python-tests-look-at "color == 'red' and emphasis")
+   (should (not (python-info-beginning-of-block-p)))
+   (python-tests-look-at "raise ValueError(")
+   (should (not (python-info-beginning-of-block-p)))))
+
+(ert-deftest python-info-end-of-block-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+def long_function_name(
+        var_one, var_two, var_three,
+        var_four):
+    print (var_one)
+"
+   (python-tests-look-at "def long_function_name")
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "var_one, var_two, var_three,")
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "var_four):")
+   (end-of-line)
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "print (var_one)")
+   (should (not (python-info-end-of-block-p)))
+   (end-of-line 1)
+   (should (python-info-end-of-block-p))))
+
+(ert-deftest python-info-end-of-block-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "color == 'red' and emphasis == 'strong' or")
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "highlight > 100:")
+   (end-of-line)
+   (should (not (python-info-end-of-block-p)))
+   (python-tests-look-at "raise ValueError(")
+   (should (not (python-info-end-of-block-p)))
+   (end-of-line 1)
+   (should (not (python-info-end-of-block-p)))
+   (goto-char (point-max))
+   (python-util-forward-comment -1)
+   (should (python-info-end-of-block-p))))
+
+(ert-deftest python-info-closing-block-1 ()
+  (python-tests-with-temp-buffer
+   "
+if request.user.is_authenticated():
+    try:
+        profile = request.user.get_profile()
+    except Profile.DoesNotExist:
+        profile = Profile.objects.create(user=request.user)
+    else:
+        if profile.stats:
+            profile.recalculate_stats()
+        else:
+            profile.clear_stats()
+    finally:
+        profile.views += 1
+        profile.save()
+"
+   (python-tests-look-at "try:")
+   (should (not (python-info-closing-block)))
+   (python-tests-look-at "except Profile.DoesNotExist:")
+   (should (= (python-tests-look-at "try:" -1 t)
+              (python-info-closing-block)))
+   (python-tests-look-at "else:")
+   (should (= (python-tests-look-at "except Profile.DoesNotExist:" -1 t)
+              (python-info-closing-block)))
+   (python-tests-look-at "if profile.stats:")
+   (should (not (python-info-closing-block)))
+   (python-tests-look-at "else:")
+   (should (= (python-tests-look-at "if profile.stats:" -1 t)
+              (python-info-closing-block)))
+   (python-tests-look-at "finally:")
+   (should (= (python-tests-look-at "else:" -2 t)
+              (python-info-closing-block)))))
+
+(ert-deftest python-info-closing-block-2 ()
+  (python-tests-with-temp-buffer
+   "
+if request.user.is_authenticated():
+    profile = Profile.objects.get_or_create(user=request.user)
+    if profile.stats:
+        profile.recalculate_stats()
+
+data = {
+    'else': 'do it'
+}
+    'else'
+"
+   (python-tests-look-at "'else': 'do it'")
+   (should (not (python-info-closing-block)))
+   (python-tests-look-at "'else'")
+   (should (not (python-info-closing-block)))))
+
+(ert-deftest python-info-line-ends-backslash-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+objects = Thing.objects.all() \\\\
+                       .filter(
+                           type='toy',
+                           status='bought'
+                       ) \\\\
+                       .aggregate(
+                           Sum('amount')
+                       ) \\\\
+                       .values_list()
+"
+   (should (python-info-line-ends-backslash-p 2)) ; .filter(...
+   (should (python-info-line-ends-backslash-p 3))
+   (should (python-info-line-ends-backslash-p 4))
+   (should (python-info-line-ends-backslash-p 5))
+   (should (python-info-line-ends-backslash-p 6)) ; ) \...
+   (should (python-info-line-ends-backslash-p 7))
+   (should (python-info-line-ends-backslash-p 8))
+   (should (python-info-line-ends-backslash-p 9))
+   (should (not (python-info-line-ends-backslash-p 10))))) ; .values_list()...
+
+(ert-deftest python-info-beginning-of-backslash-1 ()
+  (python-tests-with-temp-buffer
+   "
+objects = Thing.objects.all() \\\\
+                       .filter(
+                           type='toy',
+                           status='bought'
+                       ) \\\\
+                       .aggregate(
+                           Sum('amount')
+                       ) \\\\
+                       .values_list()
+"
+   (let ((first 2)
+         (second (python-tests-look-at ".filter("))
+         (third (python-tests-look-at ".aggregate(")))
+     (should (= first (python-info-beginning-of-backslash 2)))
+     (should (= second (python-info-beginning-of-backslash 3)))
+     (should (= second (python-info-beginning-of-backslash 4)))
+     (should (= second (python-info-beginning-of-backslash 5)))
+     (should (= second (python-info-beginning-of-backslash 6)))
+     (should (= third (python-info-beginning-of-backslash 7)))
+     (should (= third (python-info-beginning-of-backslash 8)))
+     (should (= third (python-info-beginning-of-backslash 9)))
+     (should (not (python-info-beginning-of-backslash 10))))))
+
+(ert-deftest python-info-continuation-line-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and height == 0 and")
+   (should (not (python-info-continuation-line-p)))
+   (python-tests-look-at "color == 'red' and emphasis == 'strong' or")
+   (should (python-info-continuation-line-p))
+   (python-tests-look-at "highlight > 100:")
+   (should (python-info-continuation-line-p))
+   (python-tests-look-at "raise ValueError(")
+   (should (not (python-info-continuation-line-p)))
+   (python-tests-look-at "'sorry, you lose'")
+   (should (python-info-continuation-line-p))
+   (forward-line 1)
+   (should (python-info-continuation-line-p))
+   (python-tests-look-at ")")
+   (should (python-info-continuation-line-p))
+   (forward-line 1)
+   (should (not (python-info-continuation-line-p)))))
+
+(ert-deftest python-info-block-continuation-line-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+if width == 0 and height == 0 and \\\\
+   color == 'red' and emphasis == 'strong' or \\\\
+   highlight > 100:
+    raise ValueError(
+'sorry, you lose'
+
+)
+"
+   (python-tests-look-at "if width == 0 and")
+   (should (not (python-info-block-continuation-line-p)))
+   (python-tests-look-at "color == 'red' and emphasis == 'strong' or")
+   (should (= (python-info-block-continuation-line-p)
+              (python-tests-look-at "if width == 0 and" -1 t)))
+   (python-tests-look-at "highlight > 100:")
+   (should (not (python-info-block-continuation-line-p)))))
+
+(ert-deftest python-info-block-continuation-line-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+def foo(a,
+        b,
+        c):
+    pass
+"
+   (python-tests-look-at "def foo(a,")
+   (should (not (python-info-block-continuation-line-p)))
+   (python-tests-look-at "b,")
+   (should (= (python-info-block-continuation-line-p)
+              (python-tests-look-at "def foo(a," -1 t)))
+   (python-tests-look-at "c):")
+   (should (not (python-info-block-continuation-line-p)))))
+
+(ert-deftest python-info-assignment-continuation-line-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+data = foo(), bar() \\\\
+       baz(), 4 \\\\
+       5, 6
+"
+   (python-tests-look-at "data = foo(), bar()")
+   (should (not (python-info-assignment-continuation-line-p)))
+   (python-tests-look-at "baz(), 4")
+   (should (= (python-info-assignment-continuation-line-p)
+              (python-tests-look-at "foo()," -1 t)))
+   (python-tests-look-at "5, 6")
+   (should (not (python-info-assignment-continuation-line-p)))))
+
+(ert-deftest python-info-assignment-continuation-line-p-2 ()
+  (python-tests-with-temp-buffer
+   "
+data = (foo(), bar()
+        baz(), 4
+        5, 6)
+"
+   (python-tests-look-at "data = (foo(), bar()")
+   (should (not (python-info-assignment-continuation-line-p)))
+   (python-tests-look-at "baz(), 4")
+   (should (= (python-info-assignment-continuation-line-p)
+              (python-tests-look-at "(foo()," -1 t)))
+   (python-tests-look-at "5, 6)")
+   (should (not (python-info-assignment-continuation-line-p)))))
+
+(ert-deftest python-info-looking-at-beginning-of-defun-1 ()
+  (python-tests-with-temp-buffer
+   "
+def decorat0r(deff):
+    '''decorates stuff.
+
+    @decorat0r
+    def foo(arg):
+        ...
+    '''
+    def wrap():
+        deff()
+    return wwrap
+"
+   (python-tests-look-at "def decorat0r(deff):")
+   (should (python-info-looking-at-beginning-of-defun))
+   (python-tests-look-at "def foo(arg):")
+   (should (not (python-info-looking-at-beginning-of-defun)))
+   (python-tests-look-at "def wrap():")
+   (should (python-info-looking-at-beginning-of-defun))
+   (python-tests-look-at "deff()")
+   (should (not (python-info-looking-at-beginning-of-defun)))))
+
+(ert-deftest python-info-current-line-comment-p-1 ()
+  (python-tests-with-temp-buffer
+   "
+# this is a comment
+foo = True  # another comment
+'#this is a string'
+if foo:
+    # more comments
+    print ('bar') # print bar
+"
+   (python-tests-look-at "# this is a comment")
+   (should (python-info-current-line-comment-p))
+   (python-tests-look-at "foo = True  # another comment")
+   (should (not (python-info-current-line-comment-p)))
+   (python-tests-look-at "'#this is a string'")
+   (should (not (python-info-current-line-comment-p)))
+   (python-tests-look-at "# more comments")
+   (should (python-info-current-line-comment-p))
+   (python-tests-look-at "print ('bar') # print bar")
+   (should (not (python-info-current-line-comment-p)))))
+
+(ert-deftest python-info-current-line-empty-p ()
+  (python-tests-with-temp-buffer
+   "
+# this is a comment
+
+foo = True  # another comment
+"
+   (should (python-info-current-line-empty-p))
+   (python-tests-look-at "# this is a comment")
+   (should (not (python-info-current-line-empty-p)))
+   (forward-line 1)
+   (should (python-info-current-line-empty-p))))
+
+
+;;; Utility functions
+
+(ert-deftest python-util-goto-line-1 ()
+  (python-tests-with-temp-buffer
+   (concat
+    "# a comment
+# another comment
+def foo(a, b, c):
+    pass" (make-string 20 ?\n))
+   (python-util-goto-line 10)
+   (should (= (line-number-at-pos) 10))
+   (python-util-goto-line 20)
+   (should (= (line-number-at-pos) 20))))
+
+(ert-deftest python-util-clone-local-variables-1 ()
+  (let ((buffer (generate-new-buffer
+                 "python-util-clone-local-variables-1"))
+        (varcons
+         '((python-fill-docstring-style . django)
+           (python-shell-interpreter . "python")
+           (python-shell-interpreter-args . "manage.py shell")
+           (python-shell-prompt-regexp . "In \\[[0-9]+\\]: ")
+           (python-shell-prompt-output-regexp . "Out\\[[0-9]+\\]: ")
+           (python-shell-extra-pythonpaths "/home/user/pylib/")
+           (python-shell-completion-setup-code
+            . "from IPython.core.completerlib import module_completion")
+           (python-shell-completion-module-string-code
+            . "';'.join(module_completion('''%s'''))\n")
+           (python-shell-completion-string-code
+            . "';'.join(get_ipython().Completer.all_completions('''%s'''))\n")
+           (python-shell-virtualenv-path
+            . "/home/user/.virtualenvs/project"))))
+    (with-current-buffer buffer
+      (kill-all-local-variables)
+      (dolist (ccons varcons)
+        (set (make-local-variable (car ccons)) (cdr ccons))))
+    (python-tests-with-temp-buffer
+     ""
+     (python-util-clone-local-variables buffer)
+     (dolist (ccons varcons)
+       (should
+        (equal (symbol-value (car ccons)) (cdr ccons)))))
+    (kill-buffer buffer)))
+
+(ert-deftest python-util-forward-comment-1 ()
+  (python-tests-with-temp-buffer
+   (concat
+    "# a comment
+# another comment
+     # bad indented comment
+# more comments" (make-string 9999 ?\n))
+   (python-util-forward-comment 1)
+   (should (= (point) (point-max)))
+   (python-util-forward-comment -1)
+   (should (= (point) (point-min)))))
+
+
+(provide 'python-tests)
+
+;; Local Variables:
+;; coding: utf-8
+;; indent-tabs-mode: nil
+;; End:
+
+;;; python-tests.el ends here