shunping commented on code in PR #40686: URL: https://github.com/apache/beam/pull/40686#discussion_r4332161078
########## sdks/go/pkg/beam/runners/dataflow/dataflowlib/client_test.go: ########## @@ -0,0 +1,92 @@ +// Licensed to the Apache Software Foundation (ASF) under one or more +// contributor license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright ownership. +// The ASF licenses this file to You under the Apache License, Version 2.0 +// (the "License"); you may not use this file except in compliance with +// the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dataflowlib + +import ( + "context" + "crypto/rand" + "crypto/rsa" + "crypto/x509" + "encoding/json" + "encoding/pem" + "os" + "path/filepath" + "testing" +) + +func TestNewClient_BasePath(t *testing.T) { + // Fake service account credentials in a non-default universe. The auth + // library parses the key when the client is created (non-default universes + // use self-signed JWTs), so it must be a valid key. No token is fetched + // until a request is made. + key, err := rsa.GenerateKey(rand.Reader, 2048) + if err != nil { + t.Fatalf("Failed generating key: %v", err) + } + der, err := x509.MarshalPKCS8PrivateKey(key) + if err != nil { + t.Fatalf("Failed marshaling key: %v", err) + } + content, err := json.Marshal(map[string]string{ + "type": "service_account", + "project_id": "test-project", + "client_email": "[email protected]", + "private_key_id": "test-key-id", + "private_key": string(pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: der})), + "universe_domain": "creds.example.com", + }) + if err != nil { + t.Fatalf("Failed marshaling credentials: %v", err) + } + credFile := filepath.Join(t.TempDir(), "creds.json") + if err := os.WriteFile(credFile, content, 0600); err != nil { + t.Fatalf("Failed writing fake credential file: %v", err) + } + t.Setenv("GOOGLE_APPLICATION_CREDENTIALS", credFile) + + tests := []struct { + name string + endpoint string + env string + want string + }{ + { + // The client library doesn't read the credentials' universe domain, + // so this verifies that NewClient passes it through. + name: "universe domain from credentials", + want: "https://dataflow.creds.example.com/";, + }, + { + name: "endpoint takes precedence over universe domain", + endpoint: "http://localhost:8080/";, + env: "creds.example.com", + want: "http://localhost:8080/";, + }, + } + for _, test := range tests { + t.Run(test.name, func(t *testing.T) { + t.Setenv("GOOGLE_CLOUD_UNIVERSE_DOMAIN", test.env) + + client, err := NewClient(context.Background(), test.endpoint) Review Comment: Fixed. ########## sdks/go/pkg/beam/options/gcpopts/universe_test.go: ########## @@ -0,0 +1,118 @@ +// Licensed to the Apache Software Foundation (ASF) under one or more +// contributor license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright ownership. +// The ASF licenses this file to You under the Apache License, Version 2.0 +// (the "License"); you may not use this file except in compliance with +// the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package gcpopts + +import ( + "context" + "errors" + "testing" + + "github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime" + "golang.org/x/oauth2/google" +) + +func TestGetUniverseDomain(t *testing.T) { + tests := []struct { + name string + env string + credsUD string + credsErr error + want string + wantCalls int // credential lookups across two calls + }{ + { + name: "env var takes precedence", + env: "env.example.com", + credsUD: "creds.example.com", + want: "env.example.com", + }, + { + name: "falls back to credentials and caches", + credsUD: "creds.example.com", + want: "creds.example.com", + wantCalls: 1, + }, + { + name: "credential errors are not cached", + credsErr: errors.New("no credentials"), + want: "", + wantCalls: 2, + }, + } + for _, test := range tests { + t.Run(test.name, func(t *testing.T) { + resetUniverseDomainCache(t) + t.Setenv(universeDomainEnvVar, test.env) + calls := 0 + orig := findDefaultCredentials + findDefaultCredentials = func(context.Context, ...string) (*google.Credentials, error) { + calls++ + if test.credsErr != nil { + return nil, test.credsErr + } + return &google.Credentials{ + UniverseDomainProvider: func() (string, error) { return test.credsUD, nil }, + }, nil + } + t.Cleanup(func() { findDefaultCredentials = orig }) + + for i := 0; i < 2; i++ { Review Comment: Done. -- This is an automated message from the Apache Git Service. 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