1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Check that user agent styles are inspectable via rule view if
// it is preffed on.
var PREF_UA_STYLES = "devtools.inspector.showUserAgentStyles";
const { PrefObserver } = require("resource://devtools/client/shared/prefs.js");
const TEST_URI = URL_ROOT + "doc_author-sheet.html";
const TEST_DATA = [
{
selector: "blockquote",
numUserRules: 1,
numUARules: 0,
},
{
selector: "pre",
numUserRules: 1,
numUARules: 0,
},
{
selector: "input[type=range]",
numUserRules: 1,
numUARules: 0,
},
{
selector: "input[type=number]",
numUserRules: 1,
numUARules: 0,
},
{
selector: "input[type=color]",
numUserRules: 1,
numUARules: 0,
},
{
selector: "input[type=text]",
numUserRules: 1,
numUARules: 0,
},
{
selector: "progress",
numUserRules: 1,
numUARules: 0,
},
// Note that some tests below assume that the "a" selector is the
// last test in TEST_DATA.
{
selector: "a",
numUserRules: 3,
numUARules: 0,
},
];
add_task(async function () {
// Bug 1517210: GC heuristics are broken for this test, so that the test ends up
// running out of memory if we don't force to reduce the GC side before/after the test.
Cu.forceShrinkingGC();
requestLongerTimeout(4);
info("Starting the test with the pref set to true before toolbox is opened");
await setUserAgentStylesPref(true);
await addTab(TEST_URI);
const { inspector, view } = await openRuleView();
info("Making sure that UA styles are visible on initial load");
await userAgentStylesVisible(inspector, view);
info("Making sure that setting the pref to false hides UA styles");
await setUserAgentStylesPref(false);
await userAgentStylesNotVisible(inspector, view);
info("Making sure that resetting the pref to true shows UA styles again");
await setUserAgentStylesPref(true);
await userAgentStylesVisible(inspector, view);
info("Resetting " + PREF_UA_STYLES);
Services.prefs.clearUserPref(PREF_UA_STYLES);
// Bug 1517210: GC heuristics are broken for this test, so that the test ends up
// running out of memory if we don't force to reduce the GC side before/after the test.
Cu.forceShrinkingGC();
});
async function setUserAgentStylesPref(val) {
info("Setting the pref " + PREF_UA_STYLES + " to: " + val);
// Reset the pref and wait for PrefObserver to callback so UI
// has a chance to get updated.
const prefObserver = new PrefObserver("devtools.");
const oncePrefChanged = new Promise(resolve => {
prefObserver.on(PREF_UA_STYLES, onPrefChanged);
function onPrefChanged() {
prefObserver.off(PREF_UA_STYLES, onPrefChanged);
resolve();
}
});
Services.prefs.setBoolPref(PREF_UA_STYLES, val);
await oncePrefChanged;
}
async function userAgentStylesVisible(inspector, view) {
info("Making sure that user agent styles are currently visible");
let userRules;
let uaRules;
for (const data of TEST_DATA) {
await selectNode(data.selector, inspector);
await compareAppliedStylesWithUI(inspector, view, "ua");
userRules = view._elementStyle.rules.filter(rule => rule.editor.isEditable);
uaRules = view._elementStyle.rules.filter(rule => !rule.editor.isEditable);
is(userRules.length, data.numUserRules, "Correct number of user rules");
Assert.greater(uaRules.length, data.numUARules, "Has UA rules");
}
ok(
userRules.some(rule => rule.matchedDesugaredSelectors.length === 1),
"There is an inline style for element in user styles"
);
// These tests rely on the "a" selector being the last test in
// TEST_DATA.
ok(
uaRules.some(rule => {
return rule.matchedDesugaredSelectors.includes(":any-link");
}),
"There is a rule for :any-link"
);
ok(
uaRules.some(rule => {
return rule.matchedDesugaredSelectors.includes(":link");
}),
"There is a rule for :link"
);
ok(
uaRules.some(rule => {
return rule.matchedDesugaredSelectors.length === 1;
}),
"Inline styles for ua styles"
);
}
async function userAgentStylesNotVisible(inspector, view) {
info("Making sure that user agent styles are not currently visible");
let userRules;
let uaRules;
for (const data of TEST_DATA) {
await selectNode(data.selector, inspector);
await compareAppliedStylesWithUI(inspector, view);
userRules = view._elementStyle.rules.filter(rule => rule.editor.isEditable);
uaRules = view._elementStyle.rules.filter(rule => !rule.editor.isEditable);
is(userRules.length, data.numUserRules, "Correct number of user rules");
is(uaRules.length, data.numUARules, "No UA rules");
}
}
async function compareAppliedStylesWithUI(inspector, view, filter) {
info("Making sure that UI is consistent with pageStyle.getApplied");
const pageStyle = inspector.selection.nodeFront.inspectorFront.pageStyle;
let entries = await pageStyle.getApplied(inspector.selection.nodeFront, {
inherited: true,
matchedSelectors: true,
filter,
});
// We may see multiple entries that map to a given rule; filter the
// duplicates here to match what the UI does.
const entryMap = new Map();
for (const entry of entries) {
entryMap.set(entry.rule, entry);
}
entries = [...entryMap.values()];
const elementStyle = view._elementStyle;
await waitFor(() => elementStyle.rules.length === entries.length);
is(
elementStyle.rules.length,
entries.length,
"Should have correct number of rules (" + entries.length + ")"
);
entries = entries.sort((a, b) => {
return (a.pseudoElement || "z") > (b.pseudoElement || "z");
});
entries.forEach((entry, i) => {
const elementStyleRule = elementStyle.rules[i];
is(
!!elementStyleRule.inherited,
!!entry.inherited,
"Same inherited (" + entry.inherited + ")"
);
is(
elementStyleRule.isSystem,
entry.isSystem,
"Same isSystem (" + entry.isSystem + ")"
);
is(
elementStyleRule.editor.isEditable,
!entry.isSystem,
"Editor isEditable opposite of UA (" + entry.isSystem + ")"
);
});
}
|