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