gitlab-org--gitlab-foss/spec/javascripts/line_highlighter_spec.js

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/* eslint-disable space-before-function-paren, no-var, no-param-reassign, quotes, prefer-template, no-else-return, new-cap, dot-notation, no-return-assign, comma-dangle, no-new, one-var, one-var-declaration-per-line, jasmine/no-spec-dupes, no-underscore-dangle, max-len */
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import $ from 'jquery';
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import LineHighlighter from '~/line_highlighter';
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(function() {
describe('LineHighlighter', function() {
var clickLine;
preloadFixtures('static/line_highlighter.html.raw');
clickLine = function(number, eventData = {}) {
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if ($.isEmptyObject(eventData)) {
return $("#L" + number).click();
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} else {
const e = $.Event('click', eventData);
return $("#L" + number).trigger(e);
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}
};
beforeEach(function() {
loadFixtures('static/line_highlighter.html.raw');
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this["class"] = new LineHighlighter();
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this.css = this["class"].highlightLineClass;
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return this.spies = {
__setLocationHash__: spyOn(this["class"], '__setLocationHash__').and.callFake(function() {})
};
});
describe('behavior', function() {
it('highlights one line given in the URL hash', function() {
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new LineHighlighter({ hash: '#L13' });
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return expect($('#LC13')).toHaveClass(this.css);
});
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it('highlights one line given in the URL hash with given CSS class name', function() {
const hiliter = new LineHighlighter({ hash: '#L13', highlightLineClass: 'hilite' });
expect(hiliter.highlightLineClass).toBe('hilite');
expect($('#LC13')).toHaveClass('hilite');
expect($('#LC13')).not.toHaveClass('hll');
});
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it('highlights a range of lines given in the URL hash', function() {
var line, results;
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new LineHighlighter({ hash: '#L5-25' });
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expect($("." + this.css).length).toBe(21);
results = [];
for (line = 5; line <= 25; line += 1) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
}
return results;
});
it('scrolls to the first highlighted line on initial load', function() {
var spy;
spy = spyOn($, 'scrollTo');
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new LineHighlighter({ hash: '#L5-25' });
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return expect(spy).toHaveBeenCalledWith('#L5', jasmine.anything());
});
it('discards click events', function() {
var spy;
spy = spyOnEvent('a[data-line-number]', 'click');
clickLine(13);
return expect(spy).toHaveBeenPrevented();
});
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it('handles garbage input from the hash', function() {
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var func;
func = function() {
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return new LineHighlighter({ fileHolderSelector: '#blob-content-holder' });
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};
return expect(func).not.toThrow();
});
});
describe('clickHandler', function() {
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it('handles clicking on a child icon element', function() {
var spy;
spy = spyOn(this["class"], 'setHash').and.callThrough();
$('#L13 i').mousedown().click();
expect(spy).toHaveBeenCalledWith(13);
return expect($('#LC13')).toHaveClass(this.css);
});
describe('without shiftKey', function() {
it('highlights one line when clicked', function() {
clickLine(13);
return expect($('#LC13')).toHaveClass(this.css);
});
it('unhighlights previously highlighted lines', function() {
clickLine(13);
clickLine(20);
expect($('#LC13')).not.toHaveClass(this.css);
return expect($('#LC20')).toHaveClass(this.css);
});
return it('sets the hash', function() {
var spy;
spy = spyOn(this["class"], 'setHash').and.callThrough();
clickLine(13);
return expect(spy).toHaveBeenCalledWith(13);
});
});
return describe('with shiftKey', function() {
it('sets the hash', function() {
var spy;
spy = spyOn(this["class"], 'setHash').and.callThrough();
clickLine(13);
clickLine(20, {
shiftKey: true
});
expect(spy).toHaveBeenCalledWith(13);
return expect(spy).toHaveBeenCalledWith(13, 20);
});
describe('without existing highlight', function() {
it('highlights the clicked line', function() {
clickLine(13, {
shiftKey: true
});
expect($('#LC13')).toHaveClass(this.css);
return expect($("." + this.css).length).toBe(1);
});
return it('sets the hash', function() {
var spy;
spy = spyOn(this["class"], 'setHash');
clickLine(13, {
shiftKey: true
});
return expect(spy).toHaveBeenCalledWith(13);
});
});
describe('with existing single-line highlight', function() {
it('uses existing line as last line when target is lesser', function() {
var line, results;
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clickLine(20);
clickLine(15, {
shiftKey: true
});
expect($("." + this.css).length).toBe(6);
results = [];
for (line = 15; line <= 20; line += 1) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
}
return results;
});
return it('uses existing line as first line when target is greater', function() {
var line, results;
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clickLine(5);
clickLine(10, {
shiftKey: true
});
expect($("." + this.css).length).toBe(6);
results = [];
for (line = 5; line <= 10; line += 1) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
}
return results;
});
});
return describe('with existing multi-line highlight', function() {
beforeEach(function() {
clickLine(10, {
shiftKey: true
});
return clickLine(13, {
shiftKey: true
});
});
it('uses target as first line when it is less than existing first line', function() {
var line, results;
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clickLine(5, {
shiftKey: true
});
expect($("." + this.css).length).toBe(6);
results = [];
for (line = 5; line <= 10; line += 1) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
}
return results;
});
return it('uses target as last line when it is greater than existing first line', function() {
var line, results;
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clickLine(15, {
shiftKey: true
});
expect($("." + this.css).length).toBe(6);
results = [];
for (line = 10; line <= 15; line += 1) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
}
return results;
});
});
});
});
describe('hashToRange', function() {
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beforeEach(function() {
return this.subject = this["class"].hashToRange;
});
it('extracts a single line number from the hash', function() {
return expect(this.subject('#L5')).toEqual([5, null]);
});
it('extracts a range of line numbers from the hash', function() {
return expect(this.subject('#L5-15')).toEqual([5, 15]);
});
return it('returns [null, null] when the hash is not a line number', function() {
return expect(this.subject('#foo')).toEqual([null, null]);
});
});
describe('highlightLine', function() {
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beforeEach(function() {
return this.subject = this["class"].highlightLine;
});
it('highlights the specified line', function() {
this.subject(13);
return expect($('#LC13')).toHaveClass(this.css);
});
return it('accepts a String-based number', function() {
this.subject('13');
return expect($('#LC13')).toHaveClass(this.css);
});
});
return describe('setHash', function() {
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beforeEach(function() {
return this.subject = this["class"].setHash;
});
it('sets the location hash for a single line', function() {
this.subject(5);
return expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5');
});
return it('sets the location hash for a range', function() {
this.subject(5, 15);
return expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5-15');
});
});
});
}).call(window);