mirror of
https://github.com/pulsar-edit/pulsar.git
synced 2024-09-20 15:37:46 +03:00
473 lines
15 KiB
JavaScript
473 lines
15 KiB
JavaScript
const PaneContainer = require('../src/pane-container')
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const {it, fit, ffit, fffit, beforeEach, afterEach} = require('./async-spec-helpers')
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describe('PaneContainer', () => {
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let confirm, params
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beforeEach(() => {
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confirm = spyOn(atom.applicationDelegate, 'confirm').andReturn(0)
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params = {
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location: 'center',
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config: atom.config,
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deserializerManager: atom.deserializers,
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applicationDelegate: atom.applicationDelegate,
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viewRegistry: atom.views
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}
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})
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describe('serialization', () => {
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let containerA, pane1A, pane2A, pane3A
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beforeEach(() => {
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// This is a dummy item to prevent panes from being empty on deserialization
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class Item {
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static deserialize () { return new (this)() }
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serialize () { return {deserializer: 'Item'} }
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}
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atom.deserializers.add(Item)
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containerA = new PaneContainer(params)
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pane1A = containerA.getActivePane()
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pane1A.addItem(new Item())
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pane2A = pane1A.splitRight({items: [new Item()]})
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pane3A = pane2A.splitDown({items: [new Item()]})
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pane3A.focus()
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})
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it('preserves the focused pane across serialization', () => {
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expect(pane3A.focused).toBe(true)
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const containerB = new PaneContainer(params)
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containerB.deserialize(containerA.serialize(), atom.deserializers)
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const pane3B = containerB.getPanes()[2]
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expect(pane3B.focused).toBe(true)
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})
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it('preserves the active pane across serialization, independent of focus', () => {
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pane3A.activate()
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expect(containerA.getActivePane()).toBe(pane3A)
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const containerB = new PaneContainer(params)
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containerB.deserialize(containerA.serialize(), atom.deserializers)
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const pane3B = containerB.getPanes()[2]
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expect(containerB.getActivePane()).toBe(pane3B)
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})
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it('makes the first pane active if no pane exists for the activePaneId', () => {
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pane3A.activate()
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const state = containerA.serialize()
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state.activePaneId = -22
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const containerB = new PaneContainer(params)
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containerB.deserialize(state, atom.deserializers)
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expect(containerB.getActivePane()).toBe(containerB.getPanes()[0])
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})
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describe('if there are empty panes after deserialization', () => {
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beforeEach(() => {
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pane3A.getItems()[0].serialize = () => ({deserializer: 'Bogus'})
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})
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describe("if the 'core.destroyEmptyPanes' config option is false (the default)", () =>
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it('leaves the empty panes intact', () => {
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const state = containerA.serialize()
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const containerB = new PaneContainer(params)
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containerB.deserialize(state, atom.deserializers)
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const [leftPane, column] = containerB.getRoot().getChildren()
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const [topPane, bottomPane] = column.getChildren()
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expect(leftPane.getItems().length).toBe(1)
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expect(topPane.getItems().length).toBe(1)
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expect(bottomPane.getItems().length).toBe(0)
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})
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)
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describe("if the 'core.destroyEmptyPanes' config option is true", () =>
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it('removes empty panes on deserialization', () => {
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atom.config.set('core.destroyEmptyPanes', true)
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const state = containerA.serialize()
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const containerB = new PaneContainer(params)
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containerB.deserialize(state, atom.deserializers)
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const [leftPane, rightPane] = containerB.getRoot().getChildren()
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expect(leftPane.getItems().length).toBe(1)
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expect(rightPane.getItems().length).toBe(1)
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})
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)
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})
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})
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it('does not allow the root pane to be destroyed', () => {
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const container = new PaneContainer(params)
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container.getRoot().destroy()
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expect(container.getRoot()).toBeDefined()
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expect(container.getRoot().isDestroyed()).toBe(false)
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})
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describe('::getActivePane()', () => {
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let container, pane1, pane2
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beforeEach(() => {
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container = new PaneContainer(params)
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pane1 = container.getRoot()
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})
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it('returns the first pane if no pane has been made active', () => {
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expect(container.getActivePane()).toBe(pane1)
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expect(pane1.isActive()).toBe(true)
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})
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it('returns the most pane on which ::activate() was most recently called', () => {
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pane2 = pane1.splitRight()
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pane2.activate()
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expect(container.getActivePane()).toBe(pane2)
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expect(pane1.isActive()).toBe(false)
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expect(pane2.isActive()).toBe(true)
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pane1.activate()
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expect(container.getActivePane()).toBe(pane1)
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expect(pane1.isActive()).toBe(true)
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expect(pane2.isActive()).toBe(false)
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})
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it('returns the next pane if the current active pane is destroyed', () => {
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pane2 = pane1.splitRight()
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pane2.activate()
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pane2.destroy()
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expect(container.getActivePane()).toBe(pane1)
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expect(pane1.isActive()).toBe(true)
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})
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})
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describe('::onDidChangeActivePane()', () => {
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let container, pane1, pane2, observed
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beforeEach(() => {
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container = new PaneContainer(params)
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container.getRoot().addItems([{}, {}])
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container.getRoot().splitRight({items: [{}, {}]});
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[pane1, pane2] = container.getPanes()
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observed = []
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container.onDidChangeActivePane(pane => observed.push(pane))
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})
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it('invokes observers when the active pane changes', () => {
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pane1.activate()
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pane2.activate()
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expect(observed).toEqual([pane1, pane2])
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})
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})
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describe('::onDidChangeActivePaneItem()', () => {
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let container, pane1, pane2, observed
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beforeEach(() => {
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container = new PaneContainer(params)
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container.getRoot().addItems([{}, {}])
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container.getRoot().splitRight({items: [{}, {}]});
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[pane1, pane2] = container.getPanes()
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observed = []
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container.onDidChangeActivePaneItem(item => observed.push(item))
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})
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it('invokes observers when the active item of the active pane changes', () => {
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pane2.activateNextItem()
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pane2.activateNextItem()
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expect(observed).toEqual([pane2.itemAtIndex(1), pane2.itemAtIndex(0)])
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})
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it('invokes observers when the active pane changes', () => {
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pane1.activate()
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pane2.activate()
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expect(observed).toEqual([pane1.itemAtIndex(0), pane2.itemAtIndex(0)])
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})
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})
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describe('::onDidStopChangingActivePaneItem()', () => {
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let container, pane1, pane2, observed
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beforeEach(() => {
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container = new PaneContainer(params)
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container.getRoot().addItems([{}, {}])
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container.getRoot().splitRight({items: [{}, {}]});
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[pane1, pane2] = container.getPanes()
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observed = []
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container.onDidStopChangingActivePaneItem(item => observed.push(item))
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})
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it('invokes observers once when the active item of the active pane changes', () => {
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pane2.activateNextItem()
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pane2.activateNextItem()
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expect(observed).toEqual([])
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advanceClock(100)
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expect(observed).toEqual([pane2.itemAtIndex(0)])
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})
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it('invokes observers once when the active pane changes', () => {
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pane1.activate()
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pane2.activate()
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expect(observed).toEqual([])
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advanceClock(100)
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expect(observed).toEqual([pane2.itemAtIndex(0)])
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})
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})
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describe('::onDidActivatePane', () => {
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it('invokes observers when a pane is activated (even if it was already active)', () => {
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const container = new PaneContainer(params)
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container.getRoot().splitRight()
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const [pane1, pane2] = container.getPanes()
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const activatedPanes = []
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container.onDidActivatePane(pane => activatedPanes.push(pane))
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pane1.activate()
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pane1.activate()
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pane2.activate()
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pane2.activate()
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expect(activatedPanes).toEqual([pane1, pane1, pane2, pane2])
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})
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})
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describe('::observePanes()', () => {
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it('invokes observers with all current and future panes', () => {
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const container = new PaneContainer(params)
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container.getRoot().splitRight()
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const [pane1, pane2] = container.getPanes()
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const observed = []
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container.observePanes(pane => observed.push(pane))
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const pane3 = pane2.splitDown()
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const pane4 = pane2.splitRight()
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expect(observed).toEqual([pane1, pane2, pane3, pane4])
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})
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})
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describe('::observePaneItems()', () =>
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it('invokes observers with all current and future pane items', () => {
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const container = new PaneContainer(params)
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container.getRoot().addItems([{}, {}])
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container.getRoot().splitRight({items: [{}]})
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const pane2 = container.getPanes()[1]
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const observed = []
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container.observePaneItems(pane => observed.push(pane))
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const pane3 = pane2.splitDown({items: [{}]})
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pane3.addItems([{}, {}])
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expect(observed).toEqual(container.getPaneItems())
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})
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)
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describe('::confirmClose()', () => {
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let container, pane1, pane2
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beforeEach(() => {
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class TestItem {
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shouldPromptToSave () { return true }
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getURI () { return 'test' }
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}
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container = new PaneContainer(params)
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container.getRoot().splitRight();
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[pane1, pane2] = container.getPanes()
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pane1.addItem(new TestItem())
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pane2.addItem(new TestItem())
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})
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it('returns true if the user saves all modified files when prompted', async () => {
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confirm.andReturn(0)
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const saved = await container.confirmClose()
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expect(confirm).toHaveBeenCalled()
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expect(saved).toBeTruthy()
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})
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it('returns false if the user cancels saving any modified file', async () => {
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confirm.andReturn(1)
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const saved = await container.confirmClose()
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expect(confirm).toHaveBeenCalled()
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expect(saved).toBeFalsy()
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})
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})
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describe('::onDidAddPane(callback)', () => {
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it('invokes the given callback when panes are added', () => {
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const container = new PaneContainer(params)
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const events = []
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container.onDidAddPane((event) => {
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expect(container.getPanes().includes(event.pane)).toBe(true)
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events.push(event)
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})
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const pane1 = container.getActivePane()
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const pane2 = pane1.splitRight()
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const pane3 = pane2.splitDown()
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expect(events).toEqual([{pane: pane2}, {pane: pane3}])
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})
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})
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describe('::onWillDestroyPane(callback)', () => {
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it('invokes the given callback before panes or their items are destroyed', () => {
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class TestItem {
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constructor () { this._isDestroyed = false }
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destroy () { this._isDestroyed = true }
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isDestroyed () { return this._isDestroyed }
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}
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const container = new PaneContainer(params)
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const events = []
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container.onWillDestroyPane((event) => {
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const itemsDestroyed = event.pane.getItems().map((item) => item.isDestroyed())
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events.push([event, {itemsDestroyed}])
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})
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const pane1 = container.getActivePane()
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const pane2 = pane1.splitRight()
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pane2.addItem(new TestItem())
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pane2.destroy()
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expect(events).toEqual([[{pane: pane2}, {itemsDestroyed: [false]}]])
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})
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})
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describe('::onDidDestroyPane(callback)', () => {
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it('invokes the given callback when panes are destroyed', () => {
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const container = new PaneContainer(params)
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const events = []
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container.onDidDestroyPane((event) => {
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expect(container.getPanes().includes(event.pane)).toBe(false)
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events.push(event)
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})
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const pane1 = container.getActivePane()
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const pane2 = pane1.splitRight()
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const pane3 = pane2.splitDown()
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pane2.destroy()
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pane3.destroy()
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expect(events).toEqual([{pane: pane2}, {pane: pane3}])
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})
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it('invokes the given callback when the container is destroyed', () => {
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const container = new PaneContainer(params)
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const events = []
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container.onDidDestroyPane((event) => {
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expect(container.getPanes().includes(event.pane)).toBe(false)
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events.push(event)
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})
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const pane1 = container.getActivePane()
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const pane2 = pane1.splitRight()
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const pane3 = pane2.splitDown()
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container.destroy()
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expect(events).toEqual([{pane: pane1}, {pane: pane2}, {pane: pane3}])
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})
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})
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describe('::onWillDestroyPaneItem() and ::onDidDestroyPaneItem', () => {
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it('invokes the given callbacks when an item will be destroyed on any pane', async () => {
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const container = new PaneContainer(params)
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const pane1 = container.getRoot()
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const item1 = {}
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const item2 = {}
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const item3 = {}
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pane1.addItem(item1)
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const events = []
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container.onWillDestroyPaneItem(event => events.push(['will', event]))
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container.onDidDestroyPaneItem(event => events.push(['did', event]))
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const pane2 = pane1.splitRight({items: [item2, item3]})
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await pane1.destroyItem(item1)
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await pane2.destroyItem(item3)
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await pane2.destroyItem(item2)
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expect(events).toEqual([
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['will', {item: item1, pane: pane1, index: 0}],
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['did', {item: item1, pane: pane1, index: 0}],
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['will', {item: item3, pane: pane2, index: 1}],
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['did', {item: item3, pane: pane2, index: 1}],
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['will', {item: item2, pane: pane2, index: 0}],
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['did', {item: item2, pane: pane2, index: 0}]
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])
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})
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})
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describe('::saveAll()', () =>
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it('saves all modified pane items', async () => {
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const container = new PaneContainer(params)
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const pane1 = container.getRoot()
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pane1.splitRight()
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const item1 = {
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saved: false,
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getURI () { return '' },
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isModified () { return true },
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save () { this.saved = true }
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}
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const item2 = {
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saved: false,
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getURI () { return '' },
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isModified () { return false },
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save () { this.saved = true }
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}
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const item3 = {
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saved: false,
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getURI () { return '' },
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isModified () { return true },
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save () { this.saved = true }
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}
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pane1.addItem(item1)
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pane1.addItem(item2)
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pane1.addItem(item3)
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container.saveAll()
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expect(item1.saved).toBe(true)
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expect(item2.saved).toBe(false)
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expect(item3.saved).toBe(true)
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})
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)
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describe('::moveActiveItemToPane(destPane) and ::copyActiveItemToPane(destPane)', () => {
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let container, pane1, pane2, item1
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beforeEach(() => {
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class TestItem {
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constructor (id) { this.id = id }
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copy () { return new TestItem(this.id) }
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}
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container = new PaneContainer(params)
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pane1 = container.getRoot()
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item1 = new TestItem('1')
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pane2 = pane1.splitRight({items: [item1]})
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})
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describe('::::moveActiveItemToPane(destPane)', () =>
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it('moves active item to given pane and focuses it', () => {
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container.moveActiveItemToPane(pane1)
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expect(pane1.getActiveItem()).toBe(item1)
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})
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)
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describe('::::copyActiveItemToPane(destPane)', () =>
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it('copies active item to given pane and focuses it', () => {
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container.copyActiveItemToPane(pane1)
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expect(container.paneForItem(item1)).toBe(pane2)
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expect(pane1.getActiveItem().id).toBe(item1.id)
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})
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)
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})
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})
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