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Diffstat (limited to 'spec/javascripts/ide/lib/diff/controller_spec.js')
-rw-r--r-- | spec/javascripts/ide/lib/diff/controller_spec.js | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/spec/javascripts/ide/lib/diff/controller_spec.js b/spec/javascripts/ide/lib/diff/controller_spec.js new file mode 100644 index 00000000000..c8f3e9f4830 --- /dev/null +++ b/spec/javascripts/ide/lib/diff/controller_spec.js @@ -0,0 +1,196 @@ +/* global monaco */ +import monacoLoader from '~/ide/monaco_loader'; +import editor from '~/ide/lib/editor'; +import ModelManager from '~/ide/lib/common/model_manager'; +import DecorationsController from '~/ide/lib/decorations/controller'; +import DirtyDiffController, { + getDiffChangeType, + getDecorator, +} from '~/ide/lib/diff/controller'; +import { computeDiff } from '~/ide/lib/diff/diff'; +import { file } from '../../helpers'; + +describe('Multi-file editor library dirty diff controller', () => { + let editorInstance; + let controller; + let modelManager; + let decorationsController; + let model; + + beforeEach(done => { + monacoLoader(['vs/editor/editor.main'], () => { + editorInstance = editor.create(monaco); + editorInstance.createInstance(document.createElement('div')); + + modelManager = new ModelManager(monaco); + decorationsController = new DecorationsController(editorInstance); + + model = modelManager.addModel(file('path')); + + controller = new DirtyDiffController(modelManager, decorationsController); + + done(); + }); + }); + + afterEach(() => { + controller.dispose(); + model.dispose(); + decorationsController.dispose(); + editorInstance.dispose(); + }); + + describe('getDiffChangeType', () => { + ['added', 'removed', 'modified'].forEach(type => { + it(`returns ${type}`, () => { + const change = { + [type]: true, + }; + + expect(getDiffChangeType(change)).toBe(type); + }); + }); + }); + + describe('getDecorator', () => { + ['added', 'removed', 'modified'].forEach(type => { + it(`returns with linesDecorationsClassName for ${type}`, () => { + const change = { + [type]: true, + }; + + expect(getDecorator(change).options.linesDecorationsClassName).toBe( + `dirty-diff dirty-diff-${type}`, + ); + }); + + it('returns with line numbers', () => { + const change = { + lineNumber: 1, + endLineNumber: 2, + [type]: true, + }; + + const range = getDecorator(change).range; + + expect(range.startLineNumber).toBe(1); + expect(range.endLineNumber).toBe(2); + expect(range.startColumn).toBe(1); + expect(range.endColumn).toBe(1); + }); + }); + }); + + describe('attachModel', () => { + it('adds change event callback', () => { + spyOn(model, 'onChange'); + + controller.attachModel(model); + + expect(model.onChange).toHaveBeenCalled(); + }); + + it('calls throttledComputeDiff on change', () => { + spyOn(controller, 'throttledComputeDiff'); + + controller.attachModel(model); + + model.getModel().setValue('123'); + + expect(controller.throttledComputeDiff).toHaveBeenCalled(); + }); + }); + + describe('computeDiff', () => { + it('posts to worker', () => { + spyOn(controller.dirtyDiffWorker, 'postMessage'); + + controller.computeDiff(model); + + expect(controller.dirtyDiffWorker.postMessage).toHaveBeenCalledWith({ + path: model.path, + originalContent: '', + newContent: '', + }); + }); + }); + + describe('reDecorate', () => { + it('calls decorations controller decorate', () => { + spyOn(controller.decorationsController, 'decorate'); + + controller.reDecorate(model); + + expect(controller.decorationsController.decorate).toHaveBeenCalledWith( + model, + ); + }); + }); + + describe('decorate', () => { + it('adds decorations into decorations controller', () => { + spyOn(controller.decorationsController, 'addDecorations'); + + controller.decorate({ data: { changes: [], path: 'path' } }); + + expect( + controller.decorationsController.addDecorations, + ).toHaveBeenCalledWith(model, 'dirtyDiff', jasmine.anything()); + }); + + it('adds decorations into editor', () => { + const spy = spyOn( + controller.decorationsController.editor.instance, + 'deltaDecorations', + ); + + controller.decorate({ + data: { changes: computeDiff('123', '1234'), path: 'path' }, + }); + + expect(spy).toHaveBeenCalledWith( + [], + [ + { + range: new monaco.Range(1, 1, 1, 1), + options: { + isWholeLine: true, + linesDecorationsClassName: 'dirty-diff dirty-diff-modified', + }, + }, + ], + ); + }); + }); + + describe('dispose', () => { + it('calls disposable dispose', () => { + spyOn(controller.disposable, 'dispose').and.callThrough(); + + controller.dispose(); + + expect(controller.disposable.dispose).toHaveBeenCalled(); + }); + + it('terminates worker', () => { + spyOn(controller.dirtyDiffWorker, 'terminate').and.callThrough(); + + controller.dispose(); + + expect(controller.dirtyDiffWorker.terminate).toHaveBeenCalled(); + }); + + it('removes worker event listener', () => { + spyOn( + controller.dirtyDiffWorker, + 'removeEventListener', + ).and.callThrough(); + + controller.dispose(); + + expect( + controller.dirtyDiffWorker.removeEventListener, + ).toHaveBeenCalledWith('message', jasmine.anything()); + }); + }); +}); |