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;;; typescript-mode-test-utilities --- This file contains test utilities for typescript-mode.el
;;; Commentary:
;; See typescript-mode-tests.el and typescript-mode-jsdoc-tests.el
;;; Code:
(require 'ert)
(require 'typescript-mode)
;; Adapted from jdee-mode's test suite.
(defmacro test-with-temp-buffer (content &rest body)
"Fill a temporary buffer with `CONTENT' and eval `BODY' in it."
(declare (debug t)
(indent 1))
`(with-temp-buffer
(insert ,content)
(typescript-mode)
(goto-char (point-min))
;; We need this so that tests that simulate user actions operate on the right buffer.
(switch-to-buffer (current-buffer))
,@body))
(defmacro test-with-fontified-buffer (content &rest body)
"Fill a temporary buffer with `CONTENT' and eval `BODY' in it."
(declare (debug t)
(indent 1))
`(test-with-temp-buffer
,content
(font-lock-fontify-buffer)
,@body))
(defun get-face-at (loc)
"Get the face at `LOC'.
If it is not a number, then we `re-search-forward' with `LOC'
as the search pattern."
(when (not (numberp loc))
(save-excursion
(re-search-forward loc)
(setq loc (match-beginning 0))))
(get-text-property loc 'face))
(defun font-lock-test (contents expected)
"Perform a test on our template.
`CONTENTS' is the string to put in the temporary buffer.
`EXPECTED' is the expected results.
It should be a list of (LOCATION . FACE) pairs, where
LOCATION can be either a single location, or list of locations,
that are all expected to have the same face."
(test-with-fontified-buffer
contents
;; Make sure our propertize function has been applied to the whole
;; buffer.
(syntax-propertize (point-max))
(dolist (spec expected)
(if (listp (car spec))
(dolist (source (car spec))
(should (eq (get-face-at source) (cdr spec))))
(should (eq (get-face-at (car spec)) (cdr spec)))))))
(provide 'typescript-mode-test-utilities)
;;; typescript-mode-test-utilities.el ends here
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