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Test first
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@ -48,21 +48,18 @@ describe('watchPath', function () {
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}
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describe('watchPath()', function () {
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it('resolves getStartPromise() when the watcher begins listening', async function () {
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it('resolves the returned promise when the watcher begins listening', async function () {
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const rootDir = await temp.mkdir('atom-fsmanager-test-')
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const watcher = watchPath(rootDir, {}, () => {})
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await watcher.getStartPromise()
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const watcher = await watchPath(rootDir, {}, () => {})
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expect(watcher).to.be.a('PathWatcher')
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})
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it('reuses an existing native watcher and resolves getStartPromise immediately if attached to a running watcher', async function () {
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const rootDir = await temp.mkdir('atom-fsmanager-test-')
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const watcher0 = watchPath(rootDir, {}, () => {})
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await watcher0.getStartPromise()
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const watcher1 = watchPath(rootDir, {}, () => {})
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await watcher1.getStartPromise()
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const watcher0 = await watchPath(rootDir, {}, () => {})
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const watcher1 = await watchPath(rootDir, {}, () => {})
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expect(watcher0.native).toBe(watcher1.native)
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})
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@ -70,28 +67,21 @@ describe('watchPath', function () {
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it("reuses existing native watchers even while they're still starting", async function () {
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const rootDir = await temp.mkdir('atom-fsmanager-test-')
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const watcher0 = watchPath(rootDir, {}, () => {})
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await watcher0.getAttachedPromise()
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expect(watcher0.native.isRunning()).toBe(false)
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const watcher1 = watchPath(rootDir, {}, () => {})
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await watcher1.getAttachedPromise()
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const [watcher0, watcher1] = await Promise.all([
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watchPath(rootDir, {}, () => {}),
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watchPath(rootDir, {}, () => {})
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])
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expect(watcher0.native).toBe(watcher1.native)
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await Promise.all([watcher0.getStartPromise(), watcher1.getStartPromise()])
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})
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it("doesn't attach new watchers to a native watcher that's stopping", async function () {
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const rootDir = await temp.mkdir('atom-fsmanager-test-')
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const watcher0 = watchPath(rootDir, {}, () => {})
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await watcher0.getStartPromise()
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const watcher0 = await watchPath(rootDir, {}, () => {})
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const native0 = watcher0.native
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watcher0.dispose()
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const watcher1 = watchPath(rootDir, {}, () => {})
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const watcher1 = await watchPath(rootDir, {}, () => {})
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expect(watcher1.native).not.toBe(native0)
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})
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@ -105,13 +95,8 @@ describe('watchPath', function () {
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await fs.mkdir(subDir)
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// Keep the watchers alive with an undisposed subscription
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const rootWatcher = watchPath(rootDir, {}, () => {})
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const childWatcher = watchPath(subDir, {}, () => {})
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await Promise.all([
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rootWatcher.getStartPromise(),
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childWatcher.getStartPromise()
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])
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const rootWatcher = await watchPath(rootDir, {}, () => {})
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const childWatcher = await watchPath(subDir, {}, () => {})
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expect(rootWatcher.native).toBe(childWatcher.native)
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expect(rootWatcher.native.isRunning()).toBe(true)
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@ -120,13 +105,11 @@ describe('watchPath', function () {
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waitForChanges(rootWatcher, subFile),
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waitForChanges(childWatcher, subFile)
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])
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await fs.writeFile(subFile, 'subfile\n', {encoding: 'utf8'})
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await firstChanges
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const nextRootEvent = waitForChanges(rootWatcher, rootFile)
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await fs.writeFile(rootFile, 'rootfile\n', {encoding: 'utf8'})
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await nextRootEvent
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})
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@ -149,23 +132,18 @@ describe('watchPath', function () {
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])
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// Begin the child watchers and keep them alive
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const subWatcher0 = watchPath(subDir0, {}, () => {})
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const subWatcher0 = await watchPath(subDir0, {}, () => {})
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const subWatcherChanges0 = waitForChanges(subWatcher0, subFile0)
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const subWatcher1 = watchPath(subDir1, {}, () => {})
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const subWatcher1 = await watchPath(subDir1, {}, () => {})
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const subWatcherChanges1 = waitForChanges(subWatcher1, subFile1)
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await Promise.all(
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[subWatcher0, subWatcher1].map(watcher => watcher.getStartPromise())
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)
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expect(subWatcher0.native).not.toBe(subWatcher1.native)
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// Create the parent watcher
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const parentWatcher = watchPath(parentDir, {}, () => {})
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const parentWatcher = await watchPath(parentDir, {}, () => {})
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const parentWatcherChanges = waitForChanges(parentWatcher, rootFile, subFile0, subFile1)
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await parentWatcher.getStartPromise()
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expect(subWatcher0.native).toBe(parentWatcher.native)
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expect(subWatcher1.native).toBe(parentWatcher.native)
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