mirror of
https://github.com/pulsar-edit/pulsar.git
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89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
const Gutter = require('../src/gutter');
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const GutterContainer = require('../src/gutter-container');
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describe('GutterContainer', () => {
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let gutterContainer = null;
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const fakeTextEditor = {
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scheduleComponentUpdate() {}
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};
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beforeEach(() => {
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gutterContainer = new GutterContainer(fakeTextEditor);
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});
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describe('when initialized', () =>
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it('it has no gutters', () => {
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expect(gutterContainer.getGutters().length).toBe(0);
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}));
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describe('::addGutter', () => {
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it('creates a new gutter', () => {
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const newGutter = gutterContainer.addGutter({
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'test-gutter': 'test-gutter',
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priority: 1
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});
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expect(gutterContainer.getGutters()).toEqual([newGutter]);
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expect(newGutter.priority).toBe(1);
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});
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it('throws an error if the provided gutter name is already in use', () => {
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const name = 'test-gutter';
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gutterContainer.addGutter({ name });
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expect(gutterContainer.addGutter.bind(null, { name })).toThrow();
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});
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it('keeps added gutters sorted by ascending priority', () => {
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const gutter1 = gutterContainer.addGutter({ name: 'first', priority: 1 });
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const gutter3 = gutterContainer.addGutter({ name: 'third', priority: 3 });
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const gutter2 = gutterContainer.addGutter({
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name: 'second',
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priority: 2
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});
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expect(gutterContainer.getGutters()).toEqual([gutter1, gutter2, gutter3]);
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});
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});
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describe('::removeGutter', () => {
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let removedGutters;
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beforeEach(function() {
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gutterContainer = new GutterContainer(fakeTextEditor);
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removedGutters = [];
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gutterContainer.onDidRemoveGutter(gutterName =>
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removedGutters.push(gutterName)
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);
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});
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it('removes the gutter if it is contained by this GutterContainer', () => {
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const gutter = gutterContainer.addGutter({
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'test-gutter': 'test-gutter'
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});
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expect(gutterContainer.getGutters()).toEqual([gutter]);
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gutterContainer.removeGutter(gutter);
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expect(gutterContainer.getGutters().length).toBe(0);
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expect(removedGutters).toEqual([gutter.name]);
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});
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it('throws an error if the gutter is not within this GutterContainer', () => {
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const fakeOtherTextEditor = {};
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const otherGutterContainer = new GutterContainer(fakeOtherTextEditor);
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const gutter = new Gutter('gutter-name', otherGutterContainer);
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expect(gutterContainer.removeGutter.bind(null, gutter)).toThrow();
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});
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});
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describe('::destroy', () =>
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it('clears its array of gutters and destroys custom gutters', () => {
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const newGutter = gutterContainer.addGutter({
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'test-gutter': 'test-gutter',
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priority: 1
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});
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const newGutterSpy = jasmine.createSpy();
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newGutter.onDidDestroy(newGutterSpy);
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gutterContainer.destroy();
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expect(newGutterSpy).toHaveBeenCalled();
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expect(gutterContainer.getGutters()).toEqual([]);
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}));
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});
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