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63 lines
2.1 KiB
63 lines
2.1 KiB
;;; gyp-tests.el - unit tests for gyp-mode. |
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;; Copyright (c) 2012 Google Inc. All rights reserved. |
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;; Use of this source code is governed by a BSD-style license that can be |
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;; found in the LICENSE file. |
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;; The recommended way to run these tests is to run them from the command-line, |
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;; with the run-unit-tests.sh script. |
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(require 'cl) |
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(require 'ert) |
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(require 'gyp) |
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(defconst samples (directory-files "testdata" t ".gyp$") |
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"List of golden samples to check") |
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(defun fontify (filename) |
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(with-temp-buffer |
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(insert-file-contents-literally filename) |
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(gyp-mode) |
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(font-lock-fontify-buffer) |
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(buffer-string))) |
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(defun read-golden-sample (filename) |
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(with-temp-buffer |
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(insert-file-contents-literally (concat filename ".fontified")) |
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(read (current-buffer)))) |
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(defun equivalent-face (face) |
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"For the purposes of face comparison, we're not interested in the |
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differences between certain faces. For example, the difference between |
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font-lock-comment-delimiter and font-lock-comment-face." |
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(cl-case face |
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((font-lock-comment-delimiter-face) font-lock-comment-face) |
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(t face))) |
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(defun text-face-properties (s) |
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"Extract the text properties from s" |
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(let ((result (list t))) |
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(dotimes (i (length s)) |
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(setq result (cons (equivalent-face (get-text-property i 'face s)) |
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result))) |
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(nreverse result))) |
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(ert-deftest test-golden-samples () |
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"Check that fontification produces the same results as the golden samples" |
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(dolist (sample samples) |
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(let ((golden (read-golden-sample sample)) |
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(fontified (fontify sample))) |
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(should (equal golden fontified)) |
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(should (equal (text-face-properties golden) |
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(text-face-properties fontified)))))) |
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(defun create-golden-sample (filename) |
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"Create a golden sample by fontifying filename and writing out the printable |
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representation of the fontified buffer (with text properties) to the |
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FILENAME.fontified" |
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(with-temp-file (concat filename ".fontified") |
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(print (fontify filename) (current-buffer)))) |
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(defun create-golden-samples () |
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"Recreate the golden samples" |
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(dolist (sample samples) (create-golden-sample sample)))
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