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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-diff-builder</title>
<script src="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>
<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<script src="../../../scripts/util.js"></script>
<script src="../gr-diff/gr-diff-line.js"></script>
<script src="../gr-diff/gr-diff-group.js"></script>
<script src="../gr-diff-highlight/gr-annotation.js"></script>
<script src="gr-diff-builder.js"></script>
<link rel="import" href="../../shared/gr-rest-api-interface/mock-diff-response_test.html">
<link rel="import" href="gr-diff-builder.html">
<script>void(0);</script>
<test-fixture id="basic">
<template is="dom-template">
<gr-diff-builder>
<table id="diffTable"></table>
</gr-diff-builder>
</template>
</test-fixture>
<test-fixture id="div-with-text">
<template>
<div>Lorem ipsum dolor sit amet, suspendisse inceptos vehicula</div>
</template>
</test-fixture>
<test-fixture id="mock-diff">
<template>
<gr-diff-builder view-mode="SIDE_BY_SIDE">
<table id="diffTable"></table>
</gr-diff-builder>
</template>
</test-fixture>
<script>
suite('gr-diff-builder tests', () => {
let prefs;
let element;
let builder;
let sandbox;
const LINE_FEED_HTML = '<span class="style-scope gr-diff br"></span>';
setup(() => {
sandbox = sinon.sandbox.create();
element = fixture('basic');
stub('gr-rest-api-interface', {
getLoggedIn() { return Promise.resolve(false); },
getProjectConfig() { return Promise.resolve({}); },
});
prefs = {
line_length: 10,
show_tabs: true,
tab_size: 4,
};
builder = new GrDiffBuilder({content: []}, prefs);
});
teardown(() => { sandbox.restore(); });
test('_createElement classStr applies all classes', () => {
const node = builder._createElement('div', 'test classes');
assert.isTrue(node.classList.contains('gr-diff'));
assert.isTrue(node.classList.contains('test'));
assert.isTrue(node.classList.contains('classes'));
});
test('context control buttons', () => {
// Create 10 lines.
const lines = [];
for (let i = 0; i < 10; i++) {
const line = new GrDiffLine(GrDiffLine.Type.BOTH);
line.beforeNumber = i + 1;
line.afterNumber = i + 1;
line.text = 'lorem upsum';
lines.push(line);
}
const contextLine = {
contextGroups: [new GrDiffGroup(GrDiffGroup.Type.BOTH, lines)],
};
const section = {};
// Does not include +10 buttons when there are fewer than 11 lines.
let td = builder._createContextControl(section, contextLine);
let buttons = td.querySelectorAll('gr-button.showContext');
assert.equal(buttons.length, 1);
assert.equal(Polymer.dom(buttons[0]).textContent, 'Show 10 common lines');
// Add another line.
const line = new GrDiffLine(GrDiffLine.Type.BOTH);
line.text = 'lorem upsum';
line.beforeNumber = 11;
line.afterNumber = 11;
contextLine.contextGroups[0].addLine(line);
// Includes +10 buttons when there are at least 11 lines.
td = builder._createContextControl(section, contextLine);
buttons = td.querySelectorAll('gr-button.showContext');
assert.equal(buttons.length, 3);
assert.equal(Polymer.dom(buttons[0]).textContent, '+10↑');
assert.equal(Polymer.dom(buttons[1]).textContent, 'Show 11 common lines');
assert.equal(Polymer.dom(buttons[2]).textContent, '+10↓');
});
test('newlines 1', () => {
let text = 'abcdef';
assert.equal(builder._formatText(text, 4, 10).innerHTML, text);
text = 'a'.repeat(20);
assert.equal(builder._formatText(text, 4, 10).innerHTML,
'a'.repeat(10) +
LINE_FEED_HTML +
'a'.repeat(10));
});
test('newlines 2', () => {
const text = '<span class="thumbsup">👍</span>';
assert.equal(builder._formatText(text, 4, 10).innerHTML,
'&lt;span clas' +
LINE_FEED_HTML +
's="thumbsu' +
LINE_FEED_HTML +
'p"&gt;👍&lt;/span' +
LINE_FEED_HTML +
'&gt;');
});
test('newlines 3', () => {
const text = '01234\t56789';
assert.equal(builder._formatText(text, 4, 10).innerHTML,
'01234' + builder._getTabWrapper(3).outerHTML + '56' +
LINE_FEED_HTML +
'789');
});
test('newlines 4', () => {
const text = '👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍';
assert.equal(builder._formatText(text, 4, 20).innerHTML,
'👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍' +
LINE_FEED_HTML +
'👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍' +
LINE_FEED_HTML +
'👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍');
});
test('line_length ignored if line_wrapping is true', () => {
builder._prefs = {line_wrapping: true, tab_size: 4, line_length: 50};
const text = 'a'.repeat(51);
const line = {text, highlights: []};
const result = builder._createTextEl(undefined, line).firstChild.innerHTML;
assert.equal(result, text);
});
test('line_length applied if line_wrapping is false', () => {
builder._prefs = {line_wrapping: false, tab_size: 4, line_length: 50};
const text = 'a'.repeat(51);
const line = {text, highlights: []};
const expected = 'a'.repeat(50) + LINE_FEED_HTML + 'a';
const result = builder._createTextEl(undefined, line).firstChild.innerHTML;
assert.equal(result, expected);
});
test('_createTextEl linewrap with tabs', () => {
const text = '\t'.repeat(7) + '!';
const line = {text, highlights: []};
const el = builder._createTextEl(undefined, line);
assert.equal(el.innerText, text);
// With line length 10 and tab size 2, there should be a line break
// after every two tabs.
const newlineEl = el.querySelector('.contentText > .br');
assert.isOk(newlineEl);
assert.equal(
el.querySelector('.contentText .tab:nth-child(2)').nextSibling,
newlineEl);
});
test('text length with tabs and unicode', () => {
function expectTextLength(text, tabSize, expected) {
// Formatting to |expected| columns should not introduce line breaks.
const result = builder._formatText(text, tabSize, expected);
assert.isNotOk(result.querySelector('.contentText > .br'),
` Expected the result of: \n` +
` _formatText(${text}', ${tabSize}, ${expected})\n` +
` to not contain a br. But the actual result HTML was:\n` +
` '${result.innerHTML}'\nwhereupon`);
// Increasing the line limit should produce the same markup.
assert.equal(builder._formatText(text, tabSize, Infinity).innerHTML,
result.innerHTML);
assert.equal(builder._formatText(text, tabSize, expected + 1).innerHTML,
result.innerHTML);
// Decreasing the line limit should introduce line breaks.
if (expected > 0) {
const tooSmall = builder._formatText(text, tabSize, expected - 1);
assert.isOk(tooSmall.querySelector('.contentText > .br'),
` Expected the result of: \n` +
` _formatText(${text}', ${tabSize}, ${expected - 1})\n` +
` to contain a br. But the actual result HTML was:\n` +
` '${tooSmall.innerHTML}'\nwhereupon`);
}
}
expectTextLength('12345', 4, 5);
expectTextLength('\t\t12', 4, 10);
expectTextLength('abc💢123', 4, 7);
expectTextLength('abc\t', 8, 8);
expectTextLength('abc\t\t', 10, 20);
expectTextLength('', 10, 0);
expectTextLength('', 10, 0);
// 17 Thai combining chars.
expectTextLength('ก้้้้้้้้้้้้้้้้', 4, 17);
expectTextLength('abc\tde', 10, 12);
expectTextLength('abc\tde\t', 10, 20);
expectTextLength('\t\t\t\t\t', 20, 100);
});
test('tab wrapper insertion', () => {
const html = 'abc\tdef';
const tabSize = builder._prefs.tab_size;
const wrapper = builder._getTabWrapper(tabSize - 3);
assert.ok(wrapper);
assert.equal(wrapper.innerText, '\t');
assert.equal(
builder._formatText(html, tabSize, Infinity).innerHTML,
'abc' + wrapper.outerHTML + 'def');
});
test('tab wrapper style', () => {
const pattern = new RegExp('^<span class="style-scope gr-diff tab" '
+ 'style="(?:-moz-)?tab-size: (\\d+);">\\t<\\/span>$');
for (const size of [1, 3, 8, 55]) {
const html = builder._getTabWrapper(size).outerHTML;
expect(html).to.match(pattern);
assert.equal(html.match(pattern)[1], size);
}
});
test('_handlePreferenceError called with invalid preference', () => {
sandbox.stub(element, '_handlePreferenceError');
const prefs = {tab_size: 0};
element._getDiffBuilder(element.diff, prefs);
assert.isTrue(element._handlePreferenceError.lastCall
.calledWithExactly('tab size'));
});
test('_handlePreferenceError triggers alert and javascript error', () => {
const errorStub = sinon.stub();
element.addEventListener('show-alert', errorStub);
assert.throws(element._handlePreferenceError.bind(element, 'tab size'));
assert.equal(errorStub.lastCall.args[0].detail.message,
`The value of the 'tab size' user preference is invalid. ` +
`Fix in diff preferences`);
});
suite('_isTotal', () => {
test('is total for add', () => {
const group = new GrDiffGroup(GrDiffGroup.Type.DELTA);
for (let idx = 0; idx < 10; idx++) {
group.addLine(new GrDiffLine(GrDiffLine.Type.ADD));
}
assert.isTrue(GrDiffBuilder.prototype._isTotal(group));
});
test('is total for remove', () => {
const group = new GrDiffGroup(GrDiffGroup.Type.DELTA);
for (let idx = 0; idx < 10; idx++) {
group.addLine(new GrDiffLine(GrDiffLine.Type.REMOVE));
}
assert.isTrue(GrDiffBuilder.prototype._isTotal(group));
});
test('not total for empty', () => {
const group = new GrDiffGroup(GrDiffGroup.Type.BOTH);
assert.isFalse(GrDiffBuilder.prototype._isTotal(group));
});
test('not total for non-delta', () => {
const group = new GrDiffGroup(GrDiffGroup.Type.DELTA);
for (let idx = 0; idx < 10; idx++) {
group.addLine(new GrDiffLine(GrDiffLine.Type.BOTH));
}
assert.isFalse(GrDiffBuilder.prototype._isTotal(group));
});
});
suite('intraline differences', () => {
let el;
let str;
let annotateElementSpy;
let layer;
const lineNumberEl = document.createElement('td');
function slice(str, start, end) {
return Array.from(str).slice(start, end).join('');
}
setup(() => {
el = fixture('div-with-text');
str = el.textContent;
annotateElementSpy = sandbox.spy(GrAnnotation, 'annotateElement');
layer = document.createElement('gr-diff-builder')
._createIntralineLayer();
});
test('annotate no highlights', () => {
const line = {
text: str,
highlights: [],
};
layer.annotate(el, lineNumberEl, line);
// The content is unchanged.
assert.isFalse(annotateElementSpy.called);
assert.equal(el.childNodes.length, 1);
assert.instanceOf(el.childNodes[0], Text);
assert.equal(str, el.childNodes[0].textContent);
});
test('annotate with highlights', () => {
const line = {
text: str,
highlights: [
{startIndex: 6, endIndex: 12},
{startIndex: 18, endIndex: 22},
],
};
const str0 = slice(str, 0, 6);
const str1 = slice(str, 6, 12);
const str2 = slice(str, 12, 18);
const str3 = slice(str, 18, 22);
const str4 = slice(str, 22);
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementSpy.called);
assert.equal(el.childNodes.length, 5);
assert.instanceOf(el.childNodes[0], Text);
assert.equal(el.childNodes[0].textContent, str0);
assert.notInstanceOf(el.childNodes[1], Text);
assert.equal(el.childNodes[1].textContent, str1);
assert.instanceOf(el.childNodes[2], Text);
assert.equal(el.childNodes[2].textContent, str2);
assert.notInstanceOf(el.childNodes[3], Text);
assert.equal(el.childNodes[3].textContent, str3);
assert.instanceOf(el.childNodes[4], Text);
assert.equal(el.childNodes[4].textContent, str4);
});
test('annotate without endIndex', () => {
const line = {
text: str,
highlights: [
{startIndex: 28},
],
};
const str0 = slice(str, 0, 28);
const str1 = slice(str, 28);
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementSpy.called);
assert.equal(el.childNodes.length, 2);
assert.instanceOf(el.childNodes[0], Text);
assert.equal(el.childNodes[0].textContent, str0);
assert.notInstanceOf(el.childNodes[1], Text);
assert.equal(el.childNodes[1].textContent, str1);
});
test('annotate ignores empty highlights', () => {
const line = {
text: str,
highlights: [
{startIndex: 28, endIndex: 28},
],
};
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementSpy.called);
assert.equal(el.childNodes.length, 1);
});
test('annotate handles unicode', () => {
// Put some unicode into the string:
str = str.replace(/\s/g, '💢');
el.textContent = str;
const line = {
text: str,
highlights: [
{startIndex: 6, endIndex: 12},
],
};
const str0 = slice(str, 0, 6);
const str1 = slice(str, 6, 12);
const str2 = slice(str, 12);
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementSpy.called);
assert.equal(el.childNodes.length, 3);
assert.instanceOf(el.childNodes[0], Text);
assert.equal(el.childNodes[0].textContent, str0);
assert.notInstanceOf(el.childNodes[1], Text);
assert.equal(el.childNodes[1].textContent, str1);
assert.instanceOf(el.childNodes[2], Text);
assert.equal(el.childNodes[2].textContent, str2);
});
test('annotate handles unicode w/o endIndex', () => {
// Put some unicode into the string:
str = str.replace(/\s/g, '💢');
el.textContent = str;
const line = {
text: str,
highlights: [
{startIndex: 6},
],
};
const str0 = slice(str, 0, 6);
const str1 = slice(str, 6);
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementSpy.called);
assert.equal(el.childNodes.length, 2);
assert.instanceOf(el.childNodes[0], Text);
assert.equal(el.childNodes[0].textContent, str0);
assert.notInstanceOf(el.childNodes[1], Text);
assert.equal(el.childNodes[1].textContent, str1);
});
});
suite('tab indicators', () => {
let element;
let layer;
const lineNumberEl = document.createElement('td');
setup(() => {
element = fixture('basic');
element._showTabs = true;
layer = element._createTabIndicatorLayer();
});
test('does nothing with empty line', () => {
const line = {text: ''};
const el = document.createElement('div');
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
test('does nothing with no tabs', () => {
const str = 'lorem ipsum no tabs';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
test('annotates tab at beginning', () => {
const str = '\tlorem upsum';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.equal(annotateElementStub.callCount, 1);
const args = annotateElementStub.getCalls()[0].args;
assert.equal(args[0], el);
assert.equal(args[1], 0, 'offset of tab indicator');
assert.equal(args[2], 1, 'length of tab indicator');
assert.include(args[3], 'tab-indicator');
});
test('does not annotate when disabled', () => {
element._showTabs = false;
const str = '\tlorem upsum';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
test('annotates multiple in beginning', () => {
const str = '\t\tlorem upsum';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.equal(annotateElementStub.callCount, 2);
let args = annotateElementStub.getCalls()[0].args;
assert.equal(args[0], el);
assert.equal(args[1], 0, 'offset of tab indicator');
assert.equal(args[2], 1, 'length of tab indicator');
assert.include(args[3], 'tab-indicator');
args = annotateElementStub.getCalls()[1].args;
assert.equal(args[0], el);
assert.equal(args[1], 1, 'offset of tab indicator');
assert.equal(args[2], 1, 'length of tab indicator');
assert.include(args[3], 'tab-indicator');
});
test('annotates intermediate tabs', () => {
const str = 'lorem\tupsum';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.equal(annotateElementStub.callCount, 1);
const args = annotateElementStub.getCalls()[0].args;
assert.equal(args[0], el);
assert.equal(args[1], 5, 'offset of tab indicator');
assert.equal(args[2], 1, 'length of tab indicator');
assert.include(args[3], 'tab-indicator');
});
});
suite('layers from plugins', () => {
let element;
let initialLayersCount;
let withPluginLayerCount;
setup(() => {
const pluginLayers = [];
element = fixture('basic');
element.pluginLayers = pluginLayers;
element._showTrailingWhitespace = true;
element._setupAnnotationLayers();
initialLayersCount = element._layers.length;
});
test('no plugin layers', () => {
element._setupAnnotationLayers();
assert.equal(element._layers.length, initialLayersCount);
});
suite('with plugin layers', () => {
const pluginLayers = [{}, {}];
setup(() => {
element = fixture('basic');
element.pluginLayers = pluginLayers;
element._showTrailingWhitespace = true;
element._setupAnnotationLayers();
withPluginLayerCount = element._layers.length;
});
test('with plugin layers', () => {
element._setupAnnotationLayers();
assert.equal(element._layers.length, withPluginLayerCount);
assert.equal(initialLayersCount + pluginLayers.length,
withPluginLayerCount);
});
});
});
suite('trailing whitespace', () => {
let element;
let layer;
const lineNumberEl = document.createElement('td');
setup(() => {
element = fixture('basic');
element._showTrailingWhitespace = true;
layer = element._createTrailingWhitespaceLayer();
});
test('does nothing with empty line', () => {
const line = {text: ''};
const el = document.createElement('div');
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
test('does nothing with no trailing whitespace', () => {
const str = 'lorem ipsum blah blah';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
test('annotates trailing spaces', () => {
const str = 'lorem ipsum ';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementStub.called);
assert.equal(annotateElementStub.lastCall.args[1], 11);
assert.equal(annotateElementStub.lastCall.args[2], 3);
});
test('annotates trailing tabs', () => {
const str = 'lorem ipsum\t\t\t';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementStub.called);
assert.equal(annotateElementStub.lastCall.args[1], 11);
assert.equal(annotateElementStub.lastCall.args[2], 3);
});
test('annotates mixed trailing whitespace', () => {
const str = 'lorem ipsum\t \t';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementStub.called);
assert.equal(annotateElementStub.lastCall.args[1], 11);
assert.equal(annotateElementStub.lastCall.args[2], 3);
});
test('unicode preceding trailing whitespace', () => {
const str = '💢\t';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isTrue(annotateElementStub.called);
assert.equal(annotateElementStub.lastCall.args[1], 1);
assert.equal(annotateElementStub.lastCall.args[2], 1);
});
test('does not annotate when disabled', () => {
element._showTrailingWhitespace = false;
const str = 'lorem upsum\t \t ';
const line = {text: str};
const el = document.createElement('div');
el.textContent = str;
const annotateElementStub =
sandbox.stub(GrAnnotation, 'annotateElement');
layer.annotate(el, lineNumberEl, line);
assert.isFalse(annotateElementStub.called);
});
});
suite('rendering text, images and binary files', () => {
let processStub;
let keyLocations;
let prefs;
let content;
setup(() => {
element = fixture('basic');
element.viewMode = 'SIDE_BY_SIDE';
processStub = sandbox.stub(element.$.processor, 'process')
.returns(Promise.resolve());
sandbox.stub(element, '_anyLineTooLong').returns(true);
keyLocations = {left: {}, right: {}};
prefs = {
line_length: 10,
show_tabs: true,
tab_size: 4,
context: -1,
syntax_highlighting: true,
};
content = [{
a: ['all work and no play make andybons a dull boy'],
b: ['elgoog elgoog elgoog'],
}, {
ab: [
'Non eram nescius, Brute, cum, quae summis ingeniis ',
'exquisitaque doctrina philosophi Graeco sermone tractavissent',
],
}];
});
test('text', () => {
element.diff = {content};
return element.render(keyLocations, prefs).then(() => {
assert.isTrue(processStub.calledOnce);
assert.isFalse(processStub.lastCall.args[1]);
});
});
test('image', () => {
element.diff = {content, binary: true};
element.isImageDiff = true;
return element.render(keyLocations, prefs).then(() => {
assert.isTrue(processStub.calledOnce);
assert.isTrue(processStub.lastCall.args[1]);
});
});
test('binary', () => {
element.diff = {content, binary: true};
return element.render(keyLocations, prefs).then(() => {
assert.isTrue(processStub.calledOnce);
assert.isTrue(processStub.lastCall.args[1]);
});
});
});
suite('rendering', () => {
let content;
let outputEl;
let keyLocations;
setup(done => {
const prefs = {
line_length: 10,
show_tabs: true,
tab_size: 4,
context: -1,
syntax_highlighting: true,
};
content = [
{
a: ['all work and no play make andybons a dull boy'],
b: ['elgoog elgoog elgoog'],
},
{
ab: [
'Non eram nescius, Brute, cum, quae summis ingeniis ',
'exquisitaque doctrina philosophi Graeco sermone tractavissent',
],
},
];
element = fixture('basic');
outputEl = element.queryEffectiveChildren('#diffTable');
keyLocations = {left: {}, right: {}};
sandbox.stub(element, '_getDiffBuilder', () => {
const builder = new GrDiffBuilder({content}, prefs, outputEl);
sandbox.stub(builder, 'addColumns');
builder.buildSectionElement = function(group) {
const section = document.createElement('stub');
section.textContent = group.lines.reduce((acc, line) => {
return acc + line.text;
}, '');
return section;
};
return builder;
});
element.diff = {content};
element.render(keyLocations, prefs).then(done);
});
test('renderSection', () => {
let section = outputEl.querySelector('stub:nth-of-type(2)');
const prevInnerHTML = section.innerHTML;
section.innerHTML = 'wiped';
element._builder.renderSection(section);
section = outputEl.querySelector('stub:nth-of-type(2)');
assert.equal(section.innerHTML, prevInnerHTML);
});
test('addColumns is called', done => {
element.render(keyLocations, {}).then(done);
assert.isTrue(element._builder.addColumns.called);
});
test('getSectionsByLineRange one line', () => {
const section = outputEl.querySelector('stub:nth-of-type(2)');
const sections = element._builder.getSectionsByLineRange(1, 1, 'left');
assert.equal(sections.length, 1);
assert.strictEqual(sections[0], section);
});
test('getSectionsByLineRange over diff', () => {
const section = [
outputEl.querySelector('stub:nth-of-type(2)'),
outputEl.querySelector('stub:nth-of-type(3)'),
];
const sections = element._builder.getSectionsByLineRange(1, 2, 'left');
assert.equal(sections.length, 2);
assert.strictEqual(sections[0], section[0]);
assert.strictEqual(sections[1], section[1]);
});
test('render-start and render-content are fired', done => {
const dispatchEventStub = sandbox.stub(element, 'dispatchEvent');
element.render(keyLocations, {}).then(() => {
const firedEventTypes = dispatchEventStub.getCalls()
.map(c => { return c.args[0].type; });
assert.include(firedEventTypes, 'render-start');
assert.include(firedEventTypes, 'render-content');
assert.include(firedEventTypes, 'render-syntax');
done();
});
});
test('rendering normal-sized diff does not disable syntax', () => {
assert.isTrue(element.$.syntaxLayer.enabled);
});
test('rendering large diff disables syntax', done => {
// Before it renders, set the first diff line to 500 '*' characters.
element.diff.content[0].a = [new Array(501).join('*')];
const prefs = {
line_length: 10,
show_tabs: true,
tab_size: 4,
context: -1,
syntax_highlighting: true,
};
element.render(keyLocations, prefs).then(() => {
assert.isFalse(element.$.syntaxLayer.enabled);
done();
});
});
test('cancel', () => {
const processorCancelStub = sandbox.stub(element.$.processor, 'cancel');
const syntaxCancelStub = sandbox.stub(element.$.syntaxLayer, 'cancel');
element.cancel();
assert.isTrue(processorCancelStub.called);
assert.isTrue(syntaxCancelStub.called);
});
});
suite('mock-diff', () => {
let element;
let builder;
let diff;
let prefs;
let keyLocations;
setup(done => {
element = fixture('mock-diff');
diff = document.createElement('mock-diff-response').diffResponse;
element.diff = diff;
prefs = {
line_length: 80,
show_tabs: true,
tab_size: 4,
};
keyLocations = {left: {}, right: {}};
element.render(keyLocations, prefs).then(() => {
builder = element._builder;
done();
});
});
test('getDiffLength', () => {
assert.equal(element.getDiffLength(diff), 52);
});
test('getContentByLine', () => {
let actual;
actual = builder.getContentByLine(2, 'left');
assert.equal(actual.textContent, diff.content[0].ab[1]);
actual = builder.getContentByLine(2, 'right');
assert.equal(actual.textContent, diff.content[0].ab[1]);
actual = builder.getContentByLine(5, 'left');
assert.equal(actual.textContent, diff.content[2].ab[0]);
actual = builder.getContentByLine(5, 'right');
assert.equal(actual.textContent, diff.content[1].b[0]);
});
test('findLinesByRange', () => {
const lines = [];
const elems = [];
const start = 6;
const end = 10;
const count = end - start + 1;
builder.findLinesByRange(start, end, 'right', lines, elems);
assert.equal(lines.length, count);
assert.equal(elems.length, count);
for (let i = 0; i < 5; i++) {
assert.instanceOf(lines[i], GrDiffLine);
assert.equal(lines[i].afterNumber, start + i);
assert.instanceOf(elems[i], HTMLElement);
assert.equal(lines[i].text, elems[i].textContent);
}
});
test('_renderContentByRange', () => {
const spy = sandbox.spy(builder, '_createTextEl');
const start = 9;
const end = 14;
const count = end - start + 1;
builder._renderContentByRange(start, end, 'left');
assert.equal(spy.callCount, count);
spy.getCalls().forEach((call, i) => {
assert.equal(call.args[1].beforeNumber, start + i);
});
});
test('_renderContentByRange notexistent elements', () => {
const spy = sandbox.spy(builder, '_createTextEl');
sandbox.stub(builder, 'findLinesByRange',
(s, e, d, lines, elements) => {
// Add a line and a corresponding element.
lines.push(new GrDiffLine(GrDiffLine.Type.BOTH));
const tr = document.createElement('tr');
const td = document.createElement('td');
const el = document.createElement('div');
tr.appendChild(td);
td.appendChild(el);
elements.push(el);
// Add 2 lines without corresponding elements.
lines.push(new GrDiffLine(GrDiffLine.Type.BOTH));
lines.push(new GrDiffLine(GrDiffLine.Type.BOTH));
});
builder._renderContentByRange(1, 10, 'left');
// Should be called only once because only one line had a corresponding
// element.
assert.equal(spy.callCount, 1);
});
test('_getLineNumberEl side-by-side left', () => {
const contentEl = builder.getContentByLine(5, 'left',
element.$.diffTable);
const lineNumberEl = builder._getLineNumberEl(contentEl, 'left');
assert.isTrue(lineNumberEl.classList.contains('lineNum'));
assert.isTrue(lineNumberEl.classList.contains('left'));
});
test('_getLineNumberEl side-by-side right', () => {
const contentEl = builder.getContentByLine(5, 'right',
element.$.diffTable);
const lineNumberEl = builder._getLineNumberEl(contentEl, 'right');
assert.isTrue(lineNumberEl.classList.contains('lineNum'));
assert.isTrue(lineNumberEl.classList.contains('right'));
});
test('_getLineNumberEl unified left', done => {
// Re-render as unified:
element.viewMode = 'UNIFIED_DIFF';
element.render(keyLocations, prefs).then(() => {
builder = element._builder;
const contentEl = builder.getContentByLine(5, 'left',
element.$.diffTable);
const lineNumberEl = builder._getLineNumberEl(contentEl, 'left');
assert.isTrue(lineNumberEl.classList.contains('lineNum'));
assert.isTrue(lineNumberEl.classList.contains('left'));
done();
});
});
test('_getLineNumberEl unified right', done => {
// Re-render as unified:
element.viewMode = 'UNIFIED_DIFF';
element.render(keyLocations, prefs).then(() => {
builder = element._builder;
const contentEl = builder.getContentByLine(5, 'right',
element.$.diffTable);
const lineNumberEl = builder._getLineNumberEl(contentEl, 'right');
assert.isTrue(lineNumberEl.classList.contains('lineNum'));
assert.isTrue(lineNumberEl.classList.contains('right'));
done();
});
});
test('_getNextContentOnSide side-by-side left', () => {
const startElem = builder.getContentByLine(5, 'left',
element.$.diffTable);
const expectedStartString = diff.content[2].ab[0];
const expectedNextString = diff.content[2].ab[1];
assert.equal(startElem.textContent, expectedStartString);
const nextElem = builder._getNextContentOnSide(startElem,
'left');
assert.equal(nextElem.textContent, expectedNextString);
});
test('_getNextContentOnSide side-by-side right', () => {
const startElem = builder.getContentByLine(5, 'right',
element.$.diffTable);
const expectedStartString = diff.content[1].b[0];
const expectedNextString = diff.content[1].b[1];
assert.equal(startElem.textContent, expectedStartString);
const nextElem = builder._getNextContentOnSide(startElem,
'right');
assert.equal(nextElem.textContent, expectedNextString);
});
test('_getNextContentOnSide unified left', done => {
// Re-render as unified:
element.viewMode = 'UNIFIED_DIFF';
element.render(keyLocations, prefs).then(() => {
builder = element._builder;
const startElem = builder.getContentByLine(5, 'left',
element.$.diffTable);
const expectedStartString = diff.content[2].ab[0];
const expectedNextString = diff.content[2].ab[1];
assert.equal(startElem.textContent, expectedStartString);
const nextElem = builder._getNextContentOnSide(startElem,
'left');
assert.equal(nextElem.textContent, expectedNextString);
done();
});
});
test('_getNextContentOnSide unified right', done => {
// Re-render as unified:
element.viewMode = 'UNIFIED_DIFF';
element.render(keyLocations, prefs).then(() => {
builder = element._builder;
const startElem = builder.getContentByLine(5, 'right',
element.$.diffTable);
const expectedStartString = diff.content[1].b[0];
const expectedNextString = diff.content[1].b[1];
assert.equal(startElem.textContent, expectedStartString);
const nextElem = builder._getNextContentOnSide(startElem,
'right');
assert.equal(nextElem.textContent, expectedNextString);
done();
});
});
test('escaping HTML', () => {
let input = '<script>alert("XSS");<' + '/script>';
let expected = '&lt;script&gt;alert("XSS");&lt;/script&gt;';
let result = builder._formatText(input, 1, Infinity).innerHTML;
assert.equal(result, expected);
input = '& < > " \' / `';
expected = '&amp; &lt; &gt; " \' / `';
result = builder._formatText(input, 1, Infinity).innerHTML;
assert.equal(result, expected);
});
});
suite('blame', () => {
let mockBlame;
setup(() => {
mockBlame = [
{id: 'commit 1', ranges: [{start: 1, end: 2}, {start: 10, end: 16}]},
{id: 'commit 2', ranges: [{start: 4, end: 10}, {start: 17, end: 32}]},
];
});
test('setBlame attempts to render each blamed line', () => {
const getBlameStub = sandbox.stub(builder, '_getBlameByLineNum')
.returns(null);
builder.setBlame(mockBlame);
assert.equal(getBlameStub.callCount, 32);
});
test('_getBlameCommitForBaseLine', () => {
builder.setBlame(mockBlame);
assert.isOk(builder._getBlameCommitForBaseLine(1));
assert.equal(builder._getBlameCommitForBaseLine(1).id, 'commit 1');
assert.isOk(builder._getBlameCommitForBaseLine(11));
assert.equal(builder._getBlameCommitForBaseLine(11).id, 'commit 1');
assert.isOk(builder._getBlameCommitForBaseLine(32));
assert.equal(builder._getBlameCommitForBaseLine(32).id, 'commit 2');
assert.isNull(builder._getBlameCommitForBaseLine(33));
});
test('_getBlameCommitForBaseLine w/o blame returns null', () => {
assert.isNull(builder._getBlameCommitForBaseLine(1));
assert.isNull(builder._getBlameCommitForBaseLine(11));
assert.isNull(builder._getBlameCommitForBaseLine(31));
});
test('_createBlameCell', () => {
const mocbBlameCell = document.createElement('span');
const getBlameStub = sinon.stub(builder, '_getBlameForBaseLine')
.returns(mocbBlameCell);
const line = new GrDiffLine(GrDiffLine.Type.BOTH);
line.beforeNumber = 3;
line.afterNumber = 5;
const result = builder._createBlameCell(line);
assert.isTrue(getBlameStub.calledWithExactly(3));
assert.equal(result.getAttribute('data-line-number'), '3');
assert.equal(result.firstChild, mocbBlameCell);
});
});
});
</script>