229 lines
8.1 KiB
JavaScript
229 lines
8.1 KiB
JavaScript
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/*= require line_highlighter */
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(function() {
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describe('LineHighlighter', function() {
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var clickLine;
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fixture.preload('line_highlighter.html');
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clickLine = function(number, eventData) {
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var e;
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if (eventData == null) {
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eventData = {};
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}
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if ($.isEmptyObject(eventData)) {
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return $("#L" + number).mousedown().click();
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} else {
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e = $.Event('mousedown', eventData);
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return $("#L" + number).trigger(e).click();
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}
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};
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beforeEach(function() {
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fixture.load('line_highlighter.html');
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this["class"] = new LineHighlighter();
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this.css = this["class"].highlightClass;
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return this.spies = {
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__setLocationHash__: spyOn(this["class"], '__setLocationHash__').and.callFake(function() {})
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};
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});
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describe('behavior', function() {
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it('highlights one line given in the URL hash', function() {
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new LineHighlighter('#L13');
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return expect($('#LC13')).toHaveClass(this.css);
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});
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it('highlights a range of lines given in the URL hash', function() {
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var i, line, results;
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new LineHighlighter('#L5-25');
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expect($("." + this.css).length).toBe(21);
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results = [];
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for (line = i = 5; i <= 25; line = ++i) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
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}
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return results;
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});
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it('scrolls to the first highlighted line on initial load', function() {
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var spy;
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spy = spyOn($, 'scrollTo');
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new LineHighlighter('#L5-25');
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return expect(spy).toHaveBeenCalledWith('#L5', jasmine.anything());
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});
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it('discards click events', function() {
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var spy;
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spy = spyOnEvent('a[data-line-number]', 'click');
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clickLine(13);
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return expect(spy).toHaveBeenPrevented();
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});
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return it('handles garbage input from the hash', function() {
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var func;
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func = function() {
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return new LineHighlighter('#blob-content-holder');
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};
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return expect(func).not.toThrow();
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});
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});
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describe('#clickHandler', function() {
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it('discards the mousedown event', function() {
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var spy;
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spy = spyOnEvent('a[data-line-number]', 'mousedown');
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clickLine(13);
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return expect(spy).toHaveBeenPrevented();
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});
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it('handles clicking on a child icon element', function() {
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var spy;
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spy = spyOn(this["class"], 'setHash').and.callThrough();
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$('#L13 i').mousedown().click();
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expect(spy).toHaveBeenCalledWith(13);
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return expect($('#LC13')).toHaveClass(this.css);
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});
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describe('without shiftKey', function() {
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it('highlights one line when clicked', function() {
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clickLine(13);
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return expect($('#LC13')).toHaveClass(this.css);
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});
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it('unhighlights previously highlighted lines', function() {
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clickLine(13);
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clickLine(20);
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expect($('#LC13')).not.toHaveClass(this.css);
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return expect($('#LC20')).toHaveClass(this.css);
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});
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return it('sets the hash', function() {
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var spy;
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spy = spyOn(this["class"], 'setHash').and.callThrough();
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clickLine(13);
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return expect(spy).toHaveBeenCalledWith(13);
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});
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});
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return describe('with shiftKey', function() {
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it('sets the hash', function() {
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var spy;
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spy = spyOn(this["class"], 'setHash').and.callThrough();
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clickLine(13);
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clickLine(20, {
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shiftKey: true
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});
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expect(spy).toHaveBeenCalledWith(13);
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return expect(spy).toHaveBeenCalledWith(13, 20);
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});
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describe('without existing highlight', function() {
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it('highlights the clicked line', function() {
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clickLine(13, {
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shiftKey: true
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});
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expect($('#LC13')).toHaveClass(this.css);
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return expect($("." + this.css).length).toBe(1);
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});
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return it('sets the hash', function() {
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var spy;
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spy = spyOn(this["class"], 'setHash');
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clickLine(13, {
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shiftKey: true
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});
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return expect(spy).toHaveBeenCalledWith(13);
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});
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});
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describe('with existing single-line highlight', function() {
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it('uses existing line as last line when target is lesser', function() {
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var i, line, results;
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clickLine(20);
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clickLine(15, {
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shiftKey: true
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});
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expect($("." + this.css).length).toBe(6);
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results = [];
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for (line = i = 15; i <= 20; line = ++i) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
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}
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return results;
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});
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return it('uses existing line as first line when target is greater', function() {
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var i, line, results;
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clickLine(5);
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clickLine(10, {
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shiftKey: true
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});
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expect($("." + this.css).length).toBe(6);
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results = [];
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for (line = i = 5; i <= 10; line = ++i) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
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}
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return results;
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});
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});
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return describe('with existing multi-line highlight', function() {
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beforeEach(function() {
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clickLine(10, {
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shiftKey: true
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});
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return clickLine(13, {
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shiftKey: true
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});
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});
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it('uses target as first line when it is less than existing first line', function() {
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var i, line, results;
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clickLine(5, {
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shiftKey: true
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});
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expect($("." + this.css).length).toBe(6);
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results = [];
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for (line = i = 5; i <= 10; line = ++i) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
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}
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return results;
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});
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return it('uses target as last line when it is greater than existing first line', function() {
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var i, line, results;
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clickLine(15, {
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shiftKey: true
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});
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expect($("." + this.css).length).toBe(6);
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results = [];
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for (line = i = 10; i <= 15; line = ++i) {
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results.push(expect($("#LC" + line)).toHaveClass(this.css));
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}
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return results;
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});
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});
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});
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});
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describe('#hashToRange', function() {
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beforeEach(function() {
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return this.subject = this["class"].hashToRange;
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});
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it('extracts a single line number from the hash', function() {
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return expect(this.subject('#L5')).toEqual([5, null]);
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});
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it('extracts a range of line numbers from the hash', function() {
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return expect(this.subject('#L5-15')).toEqual([5, 15]);
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});
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return it('returns [null, null] when the hash is not a line number', function() {
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return expect(this.subject('#foo')).toEqual([null, null]);
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});
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});
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describe('#highlightLine', function() {
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beforeEach(function() {
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return this.subject = this["class"].highlightLine;
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});
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it('highlights the specified line', function() {
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this.subject(13);
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return expect($('#LC13')).toHaveClass(this.css);
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});
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return it('accepts a String-based number', function() {
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this.subject('13');
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return expect($('#LC13')).toHaveClass(this.css);
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});
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});
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return describe('#setHash', function() {
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beforeEach(function() {
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return this.subject = this["class"].setHash;
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});
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it('sets the location hash for a single line', function() {
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this.subject(5);
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return expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5');
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});
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return it('sets the location hash for a range', function() {
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this.subject(5, 15);
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return expect(this.spies.__setLocationHash__).toHaveBeenCalledWith('#L5-15');
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});
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});
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});
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}).call(this);
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