Firebase-tools: Firestore-Emulator in Deadlock bei Transaktion

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Umgebungsinformationen

Firebase-Tools: 8.5.0
Plattform: macOS
Knoten: 10.21.0

Testfall

Beim Lesen / Schreiben in ein Dokument mit zwei gleichzeitigen Transaktionen hängen die Transaktionen (wie in einem Deadlock).

Ich habe Beispielcode hinzugefügt, um das Problem zu veranschaulichen (einschließlich einiger Konsolenprotokolle, um zu verdeutlichen, wo der Code hängt).

firestore-emulator-bug-showcase.zip

Schritte zum Reproduzieren

Nach dem Herunterladen des Beispielcodes führen Sie Folgendes aus:

npm install
firebase emulators:start --only firestore --debug # Assuming to be at version 8.5.0

Führen Sie während der Ausführung des Emulators den folgenden Befehl in einem anderen Terminal aus:

npm run test

Erwartetes Verhalten

Ich würde erwarten, dass alle Tests erfolgreich ausgeführt werden. Das heisst:

• Der 'Firestore'-Test wird erfolgreich ausgeführt.
• Im 'Lease Single'-Test wird true zurückgegeben.
• Im 'Lease Multi'-Test gibt nur eine der Transaktionen true während die andere false zurückgibt.

Tatsächliches Verhalten

Aber tatsächlich hängt der "Lease Multi" -Test und läuft ab. Die Tests "Firestore" und "Lease Single" werden wie erwartet ausgeführt.

Siehe die Ausgabe unten:

Ausgabe des Scherzes:

> jest

PASS src/firestore.spec.ts
  firestore
    ✓ is able to communicate with emulator (1063 ms)


  console.info
    Before transaction: try to acquire lease in transaction ...

      at acquireLease (src/lease.ts:16:11)

  console.info
    Before transaction: try to acquire lease in transaction ...

      at acquireLease (src/lease.ts:16:11)

  console.info
    Before transaction: try to acquire lease in transaction ...

      at acquireLease (src/lease.ts:16:11)

PASS src/lease.single.spec.ts
  acquireLease single
    ✓ returns true when ran once (1040 ms)

  console.info
    Transaction: acquired a new lease

      at _firestore2.firestore.runTransaction (src/lease.ts:37:15)

  console.info
    Transaction: acquired a new lease

      at _firestore2.firestore.runTransaction (src/lease.ts:37:15)

  console.info
    Transaction: acquired a new lease

      at _firestore2.firestore.runTransaction (src/lease.ts:37:15)

  console.info
    After transaction: will return true

      at acquireLease (src/lease.ts:43:11)

FAIL src/lease.multi.spec.ts
  ● Test suite failed to run

    Timeout - Async callback was not invoked within the 15000 ms timeout specified by jest.setTimeout.Error: Timeout - Async callback was not invoked within the 15000 ms timeout specified by jest.setTimeout.

      at mapper (node_modules/jest-jasmine2/build/queueRunner.js:29:45)

A worker process has failed to exit gracefully and has been force exited. This is likely caused by tests leaking due to improper teardown. Try running with --runInBand --detectOpenHandles to find leaks.
Test Suites: 1 failed, 2 passed, 3 total
Tests:       2 passed, 2 total
Snapshots:   0 total
Time:        32.386 s
Ran all test suites.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @ test: `jest`
npm ERR! Exit status 1

Ausgabe des Emulators:

[2020-07-13T15:28:34.365Z] > command requires scopes: ["email","openid","https://www.googleapis.com/auth/cloudplatformprojects.readonly","https://www.googleapis.com/auth/firebase","https://www.googleapis.com/auth/cloud-platform"]
[2020-07-13T15:28:34.366Z] > authorizing via signed-in user
⚠  Could not find config (firebase.json) so using defaults. 
i  emulators: Starting emulators: firestore {"metadata":{"emulator":{"name":"hub"},"message":"Starting emulators: firestore"}}
⚠  firestore: Did not find a Cloud Firestore rules file specified in a firebase.json config file. {"metadata":{"emulator":{"name":"firestore"},"message":"Did not find a Cloud Firestore rules file specified in a firebase.json config file."}}
⚠  firestore: The emulator will default to allowing all reads and writes. Learn more about this option: https://firebase.google.com/docs/emulator-suite/install_and_configure#security_rules_configuration. {"metadata":{"emulator":{"name":"firestore"},"message":"The emulator will default to allowing all reads and writes. Learn more about this option: https://firebase.google.com/docs/emulator-suite/install_and_configure#security_rules_configuration."}}
[2020-07-13T15:28:34.384Z] Ignoring unsupported arg: projectId {"metadata":{"emulator":{"name":"firestore"},"message":"Ignoring unsupported arg: projectId"}}
[2020-07-13T15:28:34.384Z] Ignoring unsupported arg: auto_download {"metadata":{"emulator":{"name":"firestore"},"message":"Ignoring unsupported arg: auto_download"}}
[2020-07-13T15:28:34.385Z] Starting Firestore Emulator with command {"binary":"java","args":["-Duser.language=en","-jar","/Users/vdvleon/.cache/firebase/emulators/cloud-firestore-emulator-v1.11.4.jar","--host","localhost","--port",8080],"optionalArgs":["port","webchannel_port","host","rules","functions_emulator","seed_from_export"],"joinArgs":false} {"metadata":{"emulator":{"name":"firestore"},"message":"Starting Firestore Emulator with command {\"binary\":\"java\",\"args\":[\"-Duser.language=en\",\"-jar\",\"/Users/vdvleon/.cache/firebase/emulators/cloud-firestore-emulator-v1.11.4.jar\",\"--host\",\"localhost\",\"--port\",8080],\"optionalArgs\":[\"port\",\"webchannel_port\",\"host\",\"rules\",\"functions_emulator\",\"seed_from_export\"],\"joinArgs\":false}"}}
i  firestore: Firestore Emulator logging to firestore-debug.log {"metadata":{"emulator":{"name":"firestore"},"message":"Firestore Emulator logging to \u001b[1mfirestore-debug.log\u001b[22m"}}
[2020-07-13T15:28:35.488Z] API endpoint: http://localhost {"metadata":{"emulator":{"name":"firestore"},"message":"API endpoint: http://localhost"}}
[2020-07-13T15:28:35.488Z] :8080
If you are using a library that supports the FIRESTORE_EMULATOR_HOST environment variable, run:

   export FIRESTORE_EMULATOR_HOST=localhost:8080

Dev App Server is now running.

 {"metadata":{"emulator":{"name":"firestore"},"message":":8080\nIf you are using a library that supports the FIRESTORE_EMULATOR_HOST environment variable, run:\n\n   export FIRESTORE_EMULATOR_HOST=localhost:8080\n\nDev App Server is now running.\n\n"}}

┌──────────────────────────────────────────────────────────────┐
│ ✔  All emulators ready! It is now safe to connect your apps. │
└──────────────────────────────────────────────────────────────┘

┌───────────┬────────────────┐
│ Emulator  │ Host:Port      │
├───────────┼────────────────┤
│ Firestore │ localhost:8080 │
└───────────┴────────────────┘
  Other reserved ports: 

Issues? Report them at https://github.com/firebase/firebase-tools/issues and attach the *-debug.log files.

[2020-07-13T15:28:53.466Z] Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead
INFO: Detected HTTP/2 connection.
 {"metadata":{"emulator":{"name":"firestore"},"message":"Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead\nINFO: Detected HTTP/2 connection.\n"}}
[2020-07-13T15:28:53.466Z] Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead
INFO: Detected HTTP/2 connection.
 {"metadata":{"emulator":{"name":"firestore"},"message":"Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead\nINFO: Detected HTTP/2 connection.\n"}}
[2020-07-13T15:28:53.466Z] Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead
INFO: Detected HTTP/2 connection.
 {"metadata":{"emulator":{"name":"firestore"},"message":"Jul 13, 2020 5:28:53 PM io.gapi.emulators.netty.HttpVersionRoutingHandler channelRead\nINFO: Detected HTTP/2 connection.\n"}}
[2020-07-13T15:29:24.261Z] Jul 13, 2020 5:29:24 PM com.google.cloud.datastore.emulator.impl.util.WrappedStreamObserver onError
INFO: operation failed: transaction timeout
 {"metadata":{"emulator":{"name":"firestore"},"message":"Jul 13, 2020 5:29:24 PM com.google.cloud.datastore.emulator.impl.util.WrappedStreamObserver onError\nINFO: operation failed: transaction timeout\n"}}
[2020-07-13T15:29:24.261Z] Jul 13, 2020 5:29:24 PM com.google.cloud.datastore.emulator.impl.util.WrappedStreamObserver onError
INFO: operation failed: transaction timeout
 {"metadata":{"emulator":{"name":"firestore"},"message":"Jul 13, 2020 5:29:24 PM com.google.cloud.datastore.emulator.impl.util.WrappedStreamObserver onError\nINFO: operation failed: transaction timeout\n"}}