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50 lines
1.6 KiB
CoffeeScript
50 lines
1.6 KiB
CoffeeScript
TextEditorRegistry = require '../src/text-editor-registry'
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describe "TextEditorRegistry", ->
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[registry, editor] = []
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beforeEach ->
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registry = new TextEditorRegistry
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describe "when a TextEditor is added", ->
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it "gets added to the list of registered editors", ->
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editor = {}
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registry.add(editor)
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expect(editor.registered).toBe true
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expect(registry.editors.size).toBe 1
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expect(registry.editors.has(editor)).toBe(true)
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it "returns a Disposable that can unregister the editor", ->
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editor = {}
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disposable = registry.add(editor)
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expect(registry.editors.size).toBe 1
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disposable.dispose()
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expect(registry.editors.size).toBe 0
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expect(editor.registered).toBe false
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it "can be removed", ->
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editor = {}
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registry.add(editor)
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expect(registry.editors.size).toBe 1
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success = registry.remove(editor)
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expect(success).toBe true
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expect(registry.editors.size).toBe 0
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expect(editor.registered).toBe false
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describe "when the registry is observed", ->
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it "calls the callback for current and future editors until unsubscribed", ->
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[editor1, editor2, editor3] = [{}, {}, {}]
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registry.add(editor1)
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subscription = registry.observe spy = jasmine.createSpy()
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expect(spy.calls.length).toBe 1
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registry.add(editor2)
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expect(spy.calls.length).toBe 2
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expect(spy.argsForCall[0][0]).toBe editor1
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expect(spy.argsForCall[1][0]).toBe editor2
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subscription.dispose()
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registry.add(editor3)
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expect(spy.calls.length).toBe 2
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