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| | ;;; css-mode-tests.el --- Test suite for CSS mode -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2017 Free Software Foundation, Inc.
;; Author: Simen Heggestøyl <simenheg@gmail.com>
;; Keywords: internal
;; This file is part of GNU Emacs.
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'css-mode)
(require 'ert)
(require 'seq)
(ert-deftest css-test-property-values ()
;; The `float' property has a flat value list.
(should
(equal (seq-sort #'string-lessp (css--property-values "float"))
'("left" "none" "right")))
;; The `list-style' property refers to several other properties.
(should
(equal (seq-sort #'string-lessp (css--property-values "list-style"))
(seq-sort
#'string-lessp
(seq-uniq
(append (css--property-values "list-style-type")
(css--property-values "list-style-position")
(css--property-values "list-style-image"))))))
;; The `position' property is tricky because it's also the name of a
;; value class.
(should
(equal (seq-sort #'string-lessp (css--property-values "position"))
'("absolute" "fixed" "relative" "static")))
;; The `background-position' property should refer to the `position'
;; value class, not the property of the same name.
(should
(equal (css--property-values "background-position")
(css--value-class-lookup 'position)))
;; Check that the `color' property doesn't cause infinite recursion
;; because it refers to the value class of the same name.
(should (= (length (css--property-values "color")) 147)))
(ert-deftest css-test-property-value-cache ()
"Test that `css--property-value-cache' is in use."
(should-not (gethash "word-wrap" css--property-value-cache))
(let ((word-wrap-values (css--property-values "word-wrap")))
(should (equal (gethash "word-wrap" css--property-value-cache)
word-wrap-values))))
(ert-deftest css-test-property-values-no-duplicates ()
"Test that `css--property-values' returns no duplicates."
;; The `flex' property is prone to duplicate values; if they aren't
;; removed, it'll contain at least two instances of `auto'.
(should
(equal (seq-sort #'string-lessp (css--property-values "flex"))
'("auto" "calc()" "content" "none"))))
(ert-deftest css-test-value-class-lookup ()
(should
(equal (seq-sort #'string-lessp (css--value-class-lookup 'position))
'("bottom" "calc()" "center" "left" "right" "top"))))
;;; Completion
(defun css-mode-tests--completions ()
(let ((data (css-completion-at-point)))
(all-completions (buffer-substring (nth 0 data) (nth 1 data))
(nth 2 data))))
(ert-deftest css-test-complete-bang-rule ()
(with-temp-buffer
(css-mode)
(insert "body { left: 0 !")
(let ((completions (css-mode-tests--completions)))
(should (member "important" completions))
;; Don't include SCSS bang-rules
(should-not (member "default" completions)))))
(ert-deftest scss-test-complete-bang-rule ()
(with-temp-buffer
(scss-mode)
(insert "body { left: 0 !")
(let ((completions (css-mode-tests--completions)))
(should (member "important" completions))
(should (member "default" completions)))))
(ert-deftest css-test-complete-property-value ()
(with-temp-buffer
(css-mode)
(insert "body { position: ")
(let ((completions (css-mode-tests--completions)))
(should
(equal (seq-sort #'string-lessp completions)
'("absolute" "fixed" "inherit" "initial" "relative"
"static" "unset"))))))
(ert-deftest css-test-complete-pseudo-class ()
(with-temp-buffer
(css-mode)
(insert "body:a")
(let ((completions (css-mode-tests--completions)))
(should (member "active" completions))
(should-not (member "disabled" completions))
;; Don't include pseudo-elements
(should-not (member "after" completions)))))
(ert-deftest css-test-complete-pseudo-element ()
(with-temp-buffer
(css-mode)
(insert "body::a")
(let ((completions (css-mode-tests--completions)))
(should (member "after" completions))
(should-not (member "disabled" completions))
;; Don't include pseudo-classes
(should-not (member "active" completions)))))
(ert-deftest css-test-complete-at-rule ()
(with-temp-buffer
(css-mode)
(insert "@m")
(let ((completions (css-mode-tests--completions)))
(should (member "media" completions))
(should-not (member "keyframes" completions))
;; Don't include SCSS at-rules
(should-not (member "mixin" completions)))))
(ert-deftest scss-test-complete-at-rule ()
(with-temp-buffer
(scss-mode)
(insert "@m")
(let ((completions (css-mode-tests--completions)))
(should (member "media" completions))
(should-not (member "keyframes" completions))
(should (member "mixin" completions)))))
(ert-deftest css-test-complete-property ()
(with-temp-buffer
(css-mode)
(insert "body { f")
(let ((completions (css-mode-tests--completions)))
(should (member "filter" completions))
(should-not (member "position" completions)))))
(ert-deftest css-test-foreign-completions ()
(let ((other-buffer-1 (generate-new-buffer "1"))
(other-buffer-2 (generate-new-buffer "2")))
(with-current-buffer other-buffer-1
(setq-local css-class-list-function (lambda () '("foo" "bar"))))
(with-current-buffer other-buffer-2
(setq-local css-class-list-function (lambda () '("bar" "baz"))))
(let ((completions
(css--foreign-completions 'css-class-list-function)))
;; Completions from `other-buffer-1' and `other-buffer-2' should
;; be merged.
(should (equal (seq-sort #'string-lessp completions)
'("bar" "baz" "foo"))))
(kill-buffer other-buffer-1)
(kill-buffer other-buffer-2)))
(ert-deftest css-test-complete-selector-tag ()
(with-temp-buffer
(css-mode)
(insert "b")
(let ((completions (css-mode-tests--completions)))
(should (member "body" completions))
(should-not (member "article" completions)))))
(ert-deftest css-test-complete-selector-class ()
(with-temp-buffer
(setq-local css-class-list-function (lambda () '("foo" "bar")))
(with-temp-buffer
(css-mode)
(insert ".f")
(let ((completions (css-mode-tests--completions)))
(should (equal completions '("foo")))))))
(ert-deftest css-test-complete-selector-id ()
(with-temp-buffer
(setq-local css-id-list-function (lambda () '("foo" "bar")))
(with-temp-buffer
(css-mode)
(insert "#b")
(let ((completions (css-mode-tests--completions)))
(should (equal completions '("bar")))))))
(ert-deftest css-test-complete-nested-selector ()
(with-temp-buffer
(css-mode)
(insert "body {")
(let ((completions (css-mode-tests--completions)))
(should-not (member "body" completions)))))
(ert-deftest scss-test-complete-nested-selector ()
(with-temp-buffer
(scss-mode)
(insert "body { b")
(let ((completions (css-mode-tests--completions)))
(should (member "body" completions))
(should-not (member "article" completions)))))
(provide 'css-mode-tests)
;;; css-mode-tests.el ends here
|