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test: refactor plot css test suite
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‎test/jasmine/assets/create_graph_div.js

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,11 @@
11
'use strict';
22

3-
module.exports = function createGraphDiv() {
4-
var gd = document.createElement('div');
3+
module.exports = function createGraphDiv(_document) {
4+
_document = _document || window.document;
5+
6+
var gd = _document.createElement('div');
57
gd.id = 'graph';
6-
document.body.appendChild(gd);
8+
_document.body.appendChild(gd);
79

810
// force the graph to be at position 0,0 no matter what
911
gd.style.position = 'fixed';

‎test/jasmine/tests/plot_css_test.js

Lines changed: 105 additions & 107 deletions
Original file line numberDiff line numberDiff line change
@@ -1,155 +1,153 @@
11
var Plotly = require('@lib/index');
22

3+
var cssModule = require('@src/lib/plotcss_utils');
4+
var plotcss = require('@build/plotcss');
5+
36
var createGraphDiv = require('../assets/create_graph_div');
47
var destroyGraphDiv = require('../assets/destroy_graph_div');
58

69
describe('css injection', function() {
7-
var plotcss_utils = require('@src/lib/plotcss_utils');
8-
var plotcss = require('@build/plotcss');
9-
10-
// create a graph div in a child window
11-
function createGraphDivInChildWindow() {
12-
var childWindow = window.open('about:blank', 'popoutWindow', '');
13-
14-
var gd = childWindow.document.createElement('div');
15-
gd.id = 'graph';
16-
childWindow.document.body.appendChild(gd);
1710

18-
// force the graph to be at position 0,0 no matter what
19-
gd.style.position = 'fixed';
20-
gd.style.left = 0;
21-
gd.style.top = 0;
22-
23-
return gd;
24-
}
25-
26-
// the most basic of basic plots
2711
function plot(target) {
2812
return Plotly.plot(target, [{
2913
x: [1, 2, 3, 4, 5],
30-
y: [1, 2, 4, 8, 16]
14+
y: [1, 2, 4, 8, 16],
3115
}], {
32-
margin: {
33-
t: 0
34-
}
16+
margin: { t: 0 }
3517
});
3618
}
3719

38-
// deletes all rules defined in plotcss
39-
function deletePlotCSSRules(sourceDocument) {
40-
for(var selector in plotcss) {
41-
var fullSelector = plotcss_utils.buildFullSelector(selector);
42-
43-
for(var i = 0; i < sourceDocument.styleSheets.length; i++) {
44-
var styleSheet = sourceDocument.styleSheets[i];
45-
var selectors = [];
46-
47-
for(var j = 0; j < styleSheet.cssRules.length; j++) {
48-
var cssRule = styleSheet.cssRules[j];
49-
50-
selectors.push(cssRule.selectorText);
51-
}
20+
function loopOverRules(_document, assertion) {
21+
var allSelectors = getAllRuleSelectors(_document);
5222

53-
var selectorIndex = selectors.indexOf(fullSelector);
23+
for(var selector in plotcss) {
24+
var fullSelector = cssModule.buildFullSelector(selector),
25+
firstIndex = allSelectors.indexOf(fullSelector);
5426

55-
if(selectorIndex !== -1) {
56-
styleSheet.deleteRule(selectorIndex);
57-
break;
58-
}
59-
}
27+
assertion(allSelectors, fullSelector, firstIndex);
6028
}
6129
}
6230

63-
it('inserts styles on initial plot', function(done) {
64-
deletePlotCSSRules(document); // clear the rules
65-
66-
// fix scope errors
67-
var selector = null;
68-
var fullSelector = null;
31+
function assertClearence(allSelectors, fullSelector) {
32+
expect(allSelectors.indexOf(fullSelector)).toEqual(-1);
33+
}
6934

70-
// make sure the rules are cleared
71-
var allSelectors = plotcss_utils.getAllRuleSelectors(document);
35+
function assertPresence(allSelectors, fullSelector) {
36+
expect(allSelectors.indexOf(fullSelector)).not.toEqual(-1);
37+
}
7238

73-
for(selector in plotcss) {
74-
fullSelector = plotcss_utils.buildFullSelector(selector);
39+
function assertUniqueness(allSelectors, fullSelector, firstIndex) {
40+
expect(allSelectors.indexOf(fullSelector, firstIndex + 1)).toEqual(-1);
41+
}
7542

76-
expect(allSelectors.indexOf(fullSelector)).toEqual(-1);
77-
}
43+
it('inserts styles on initial plot', function(done) {
44+
loopOverRules(document, assertClearence);
7845

79-
// plot
8046
var gd = createGraphDiv();
81-
plot(gd).then(function() {
82-
83-
// check for styles
84-
allSelectors = plotcss_utils.getAllRuleSelectors(document);
8547

86-
for(selector in plotcss) {
87-
fullSelector = plotcss_utils.buildFullSelector(selector);
88-
89-
expect(allSelectors.indexOf(fullSelector)).not.toEqual(-1);
90-
}
48+
plot(gd).then(function() {
49+
expect(gd._document).toBe(window.document);
50+
loopOverRules(gd._document, assertPresence);
9151

92-
// clean up
93-
return destroyGraphDiv();
94-
}).then(done);
52+
deletePlotCSSRules(gd._document);
53+
destroyGraphDiv();
54+
done();
55+
});
9556
});
9657

9758
it('inserts styles in a child window document', function(done) {
98-
var gd = createGraphDivInChildWindow();
99-
var childWindow = gd.ownerDocument.defaultView;
59+
loopOverRules(document, assertClearence);
60+
61+
var childWindow = window.open('about:blank', 'popoutWindow', '');
62+
var gd = createGraphDiv(childWindow.document);
10063

101-
// plot
10264
plot(gd).then(function() {
65+
expect(gd._document).toBe(childWindow.document);
66+
loopOverRules(gd._document, assertPresence);
10367

104-
// check for styles
105-
var allSelectors = plotcss_utils.getAllRuleSelectors(gd.ownerDocument);
68+
deletePlotCSSRules(gd._document);
69+
childWindow.document.body.removeChild(gd);
70+
childWindow.close();
71+
done();
72+
});
73+
});
10674

107-
for(var selector in plotcss) {
108-
var fullSelector = plotcss_utils.buildFullSelector(selector);
75+
it('does not insert duplicate styles', function(done) {
76+
loopOverRules(document, assertClearence);
10977

110-
expect(allSelectors.indexOf(fullSelector)).not.toEqual(-1);
111-
}
78+
var gd = createGraphDiv();
11279

113-
// clean up
114-
childWindow.close();
115-
}).then(done);
80+
plot(gd).then(function() {
81+
82+
// plot again so injectStyles gets called again
83+
return plot(gd);
84+
}).then(function() {
85+
expect(gd._document).toBe(window.document);
86+
loopOverRules(gd._document, assertUniqueness);
87+
88+
deletePlotCSSRules(gd._document);
89+
destroyGraphDiv();
90+
done();
91+
});
11692
});
93+
});
11794

118-
it('does not insert duplicate styles', function(done) {
119-
deletePlotCSSRules(document); // clear the rules
95+
// Gets all the rules currently attached to the document
96+
// inspired by http://stackoverflow.com/a/23613052/4068492
97+
function getAllRuleSelectors(_document) {
98+
var allSelectors = [];
12099

121-
// fix scope errors
122-
var selector = null;
123-
var fullSelector = null;
100+
for(var i = 0; i < _document.styleSheets.length; i++) {
101+
var styleSheet = _document.styleSheets[i];
124102

125-
// make sure the rules are cleared
126-
var allSelectors = plotcss_utils.getAllRuleSelectors(document);
103+
try {
104+
if(!styleSheet.cssRules) continue;
105+
}
106+
catch(e) {
107+
if(e.name !== 'SecurityError') throw e;
108+
continue;
109+
}
127110

128-
for(selector in plotcss) {
129-
fullSelector = plotcss_utils.buildFullSelector(selector);
111+
for(var j = 0; j < styleSheet.cssRules.length; j++) {
112+
var cssRule = styleSheet.cssRules[j];
130113

131-
expect(allSelectors.indexOf(fullSelector)).toEqual(-1);
114+
allSelectors.push(cssRule.selectorText);
132115
}
116+
}
133117

134-
// plot
135-
var gd = createGraphDiv();
136-
plot(gd).then(function() {
137-
return plot(gd); // plot again so injectStyles gets called again
138-
}).then(function() {
139-
// check for styles
140-
allSelectors = plotcss_utils.getAllRuleSelectors(document);
118+
return allSelectors;
119+
}
141120

142-
for(selector in plotcss) {
143-
fullSelector = plotcss_utils.buildFullSelector(selector);
121+
// Deletes all rules defined in plotcss
122+
// inspired by http://stackoverflow.com/a/23613052/4068492
123+
function deletePlotCSSRules(_document) {
124+
for(var selector in plotcss) {
125+
var fullSelector = cssModule.buildFullSelector(selector);
144126

145-
var firstIndex = allSelectors.indexOf(fullSelector);
127+
for(var i = 0; i < _document.styleSheets.length; i++) {
128+
var styleSheet = _document.styleSheets[i];
129+
var selectors = [];
146130

147-
// there should be no occurences after the initial one
148-
expect(allSelectors.indexOf(fullSelector, firstIndex + 1)).toEqual(-1);
131+
try {
132+
if(!styleSheet.cssRules) continue;
133+
}
134+
catch(e) {
135+
if(e.name !== 'SecurityError') throw e;
136+
continue;
149137
}
150138

151-
// clean up
152-
return destroyGraphDiv();
153-
}).then(done);
154-
});
155-
});
139+
for(var j = 0; j < styleSheet.cssRules.length; j++) {
140+
var cssRule = styleSheet.cssRules[j];
141+
142+
selectors.push(cssRule.selectorText);
143+
}
144+
145+
var selectorIndex = selectors.indexOf(fullSelector);
146+
147+
if(selectorIndex !== -1) {
148+
styleSheet.deleteRule(selectorIndex);
149+
break;
150+
}
151+
}
152+
}
153+
}

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