bootstrap_test.go

Documentation: google.golang.org/grpc/xds/bootstrap

     1  /*
     2   *
     3   * Copyright 2022 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   */
    18  package bootstrap
    19  
    20  import (
    21  	"encoding/json"
    22  	"testing"
    23  
    24  	"google.golang.org/grpc/credentials"
    25  )
    26  
    27  const testCredsBuilderName = "test_creds"
    28  
    29  var builder = &testCredsBuilder{}
    30  
    31  func init() {
    32  	RegisterCredentials(builder)
    33  }
    34  
    35  type testCredsBuilder struct {
    36  	config json.RawMessage
    37  }
    38  
    39  func (t *testCredsBuilder) Build(config json.RawMessage) (credentials.Bundle, func(), error) {
    40  	t.config = config
    41  	return nil, nil, nil
    42  }
    43  
    44  func (t *testCredsBuilder) Name() string {
    45  	return testCredsBuilderName
    46  }
    47  
    48  func TestRegisterNew(t *testing.T) {
    49  	c := GetCredentials(testCredsBuilderName)
    50  	if c == nil {
    51  		t.Fatalf("GetCredentials(%q) credential = nil", testCredsBuilderName)
    52  	}
    53  
    54  	const sampleConfig = "sample_config"
    55  	rawMessage := json.RawMessage(sampleConfig)
    56  	if _, _, err := c.Build(rawMessage); err != nil {
    57  		t.Errorf("Build(%v) error = %v, want nil", rawMessage, err)
    58  	}
    59  
    60  	if got, want := string(builder.config), sampleConfig; got != want {
    61  		t.Errorf("Build config = %v, want %v", got, want)
    62  	}
    63  }
    64  
    65  func TestCredsBuilders(t *testing.T) {
    66  	tests := []struct {
    67  		typename string
    68  		builder  Credentials
    69  	}{
    70  		{"google_default", &googleDefaultCredsBuilder{}},
    71  		{"insecure", &insecureCredsBuilder{}},
    72  		{"tls", &tlsCredsBuilder{}},
    73  	}
    74  
    75  	for _, test := range tests {
    76  		t.Run(test.typename, func(t *testing.T) {
    77  			if got, want := test.builder.Name(), test.typename; got != want {
    78  				t.Errorf("%T.Name = %v, want %v", test.builder, got, want)
    79  			}
    80  
    81  			_, stop, err := test.builder.Build(nil)
    82  			if err != nil {
    83  				t.Fatalf("%T.Build failed: %v", test.builder, err)
    84  			}
    85  			stop()
    86  		})
    87  	}
    88  }
    89  
    90  func TestTlsCredsBuilder(t *testing.T) {
    91  	tls := &tlsCredsBuilder{}
    92  	_, stop, err := tls.Build(json.RawMessage(`{}`))
    93  	if err != nil {
    94  		t.Fatalf("tls.Build() failed with error %s when expected to succeed", err)
    95  	}
    96  	stop()
    97  
    98  	if _, stop, err := tls.Build(json.RawMessage(`{"ca_certificate_file":"/ca_certificates.pem","refresh_interval": "asdf"}`)); err == nil {
    99  		t.Errorf("tls.Build() succeeded with an invalid refresh interval, when expected to fail")
   100  		stop()
   101  	}
   102  }
   103
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