diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/src/treesit-tests.el | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/src/treesit-tests.el b/test/src/treesit-tests.el index ac5e6f1e08c..26a21c34152 100644 --- a/test/src/treesit-tests.el +++ b/test/src/treesit-tests.el @@ -257,6 +257,7 @@ (defmacro treesit--ert-search-setup (&rest body) "Setup macro used by `treesit-search-forward' and friends. BODY is the test body." + (declare (debug (&rest form))) `(with-temp-buffer (let (parser root array) (progn @@ -332,6 +333,58 @@ BODY is the test body." do (should (equal (treesit-node-text cursor) text))))) +(ert-deftest treesit-search-forward-predicate () + "Test various form of supported predicates in search functions." + (skip-unless (treesit-language-available-p 'json)) + (treesit--ert-search-setup + ;; The following tests are adapted from `treesit-search-forward'. + + ;; Test `or' + (cl-loop for cursor = (treesit-node-child array 0) + then (treesit-search-forward cursor `(or "number" ,(rx "[")) + nil t) + for text in '("[" "[" "1" "2" "3" + "[" "4" "5" "6" + "[" "7" "8" "9") + while cursor + do (should (equal (treesit-node-text cursor) text))) + ;; Test `not' and `or' + (cl-loop for cursor = (treesit-node-child array 0) + then (treesit-search-forward cursor + `(not (or "number" ,(rx "["))) + nil t) + for text in '("[" "," "," "]" + "[1,2,3]" "," + "," "," "]" + "[4,5,6]" "," + "," "," "]" + "[7,8,9]" "]" + "[[1,2,3], [4,5,6], [7,8,9]]") + while cursor + do (should (equal (treesit-node-text cursor) text))) + ;; Test (regexp . function) + (cl-labels ((is-odd (string) + (and (eq 1 (length string)) + (cl-oddp (string-to-number string))))) + (cl-loop for cursor = (treesit-node-child array 0) + then (treesit-search-forward cursor '("number" . is-odd) + nil t) + for text in '("[" "1" "3" "5" "7" "9") + while cursor + do (should (equal (treesit-node-text cursor) text)))))) + +(ert-deftest treesit-search-forward-predicate-invalid-predicate () + "Test tree-sitter's ability to detect invalid predicates." + (skip-unless (treesit-language-available-p 'json)) + (treesit--ert-search-setup + (dolist (pred '( 1 (not 1) (not "2" "3") (or) (or 1))) + (should-error (treesit-search-forward (treesit-node-child array 0) + pred) + :type 'treesit-invalid-predicate)) + (should-error (treesit-search-forward (treesit-node-child array 0) + 'not-a-function) + :type 'void-function))) + (ert-deftest treesit-cursor-helper-with-missing-node () "Test treesit_cursor_helper with a missing node." (skip-unless (treesit-language-available-p 'json)) |