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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,231 @@ | ||
| package natskv_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/docker/docker/api/types/container" | ||
| "github.com/docker/go-connections/nat" | ||
| "github.com/nats-io/nats.go" | ||
| "github.com/sagikazarmark/crypt/backend/natskv" | ||
| "github.com/testcontainers/testcontainers-go" | ||
| "github.com/testcontainers/testcontainers-go/wait" | ||
| "os" | ||
| "reflect" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func init() { | ||
| _ = os.Setenv("TESTCONTAINERS_RYUK_DISABLED", "true") | ||
| } | ||
|
|
||
| func TestClient_Get(t *testing.T) { | ||
| ctx := testContext(t) | ||
| natsAddress := runNatsContainer(ctx, t) | ||
|
|
||
| // Prepare test | ||
| conn, err := nats.Connect(natsAddress) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| js, err := conn.JetStream() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| kv, err := js.CreateKeyValue(&nats.KeyValueConfig{ | ||
| Bucket: "viper", | ||
| }) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| wantConfig := []byte("foo: bar") | ||
| if _, err = kv.Put("config.yaml", wantConfig); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| // Execute test | ||
| client, err := natskv.New([]string{natsAddress}) | ||
| if err != nil { | ||
| t.Fatalf("Failed to create natskv - %v", err) | ||
| } | ||
|
|
||
| gotConfig, err := client.Get("config.yaml") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| if !reflect.DeepEqual(gotConfig, []byte("foo: bar")) { | ||
| t.Fatalf("Unexpected config - got: %v, want: %v", gotConfig, wantConfig) | ||
| } | ||
| } | ||
|
|
||
| func TestClient_List(t *testing.T) { | ||
| ctx := testContext(t) | ||
| natsAddress := runNatsContainer(ctx, t) | ||
|
|
||
| // Prepare test | ||
| conn, err := nats.Connect(natsAddress) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| js, err := conn.JetStream() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| kv, err := js.CreateKeyValue(&nats.KeyValueConfig{ | ||
| Bucket: "viper", | ||
| }) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| wantConfigs := map[string][]byte{ | ||
| "config.yaml": []byte("foo: bar"), | ||
| "second_config.yaml": []byte("foo: baz"), | ||
| } | ||
| for name, value := range wantConfigs { | ||
| if _, err = kv.Put(name, value); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } | ||
|
|
||
| // Execute test | ||
| client, err := natskv.New([]string{natsAddress}) | ||
| if err != nil { | ||
| t.Fatalf("Failed to create natskv - %v", err) | ||
| } | ||
|
|
||
| kvPairs, err := client.List("viper") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| for _, kvPair := range kvPairs { | ||
| if !reflect.DeepEqual(wantConfigs[kvPair.Key], kvPair.Value) { | ||
| t.Fatalf("Unexpected config - got: %v, want: %v", kvPair.Value, wantConfigs[kvPair.Key]) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func TestClient_Watch(t *testing.T) { | ||
| ctx := testContext(t) | ||
| natsAddress := runNatsContainer(ctx, t) | ||
|
|
||
| // Prepare test | ||
| conn, err := nats.Connect(natsAddress) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| js, err := conn.JetStream() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| kv, err := js.CreateKeyValue(&nats.KeyValueConfig{ | ||
| Bucket: "viper", | ||
| }) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| wantConfig := []byte("foo: bar") | ||
| if _, err = kv.Put("config.yaml", wantConfig); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| // Execute test | ||
| client, err := natskv.New([]string{natsAddress}) | ||
| if err != nil { | ||
| t.Fatalf("Failed to create natskv - %v", err) | ||
| } | ||
|
|
||
| quit := make(chan bool) | ||
| respChan := client.Watch("config.yaml", quit) | ||
|
|
||
| updateWG := new(sync.WaitGroup) | ||
| updateWG.Add(1) | ||
|
|
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| termWG := new(sync.WaitGroup) | ||
| termWG.Add(1) | ||
|
|
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| updatedConfig := []byte("foo: update") | ||
| go func() { | ||
| defer termWG.Done() | ||
| for resp := range respChan { | ||
| if !reflect.DeepEqual(resp.Value, updatedConfig) { | ||
| t.Errorf("Unexpected config - got: %v, want: %v", resp.Value, updatedConfig) | ||
| } | ||
| updateWG.Done() | ||
| } | ||
| }() | ||
|
|
||
| if _, err = kv.Put("config.yaml", updatedConfig); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| updateWG.Wait() | ||
|
|
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| close(quit) | ||
|
|
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| termWG.Wait() | ||
| } | ||
|
|
||
| func testContext(t *testing.T) context.Context { | ||
| ctx := context.Background() | ||
| deadline, ok := t.Deadline() | ||
| if ok { | ||
| var cancel context.CancelFunc | ||
| ctx, cancel = context.WithDeadline(context.Background(), deadline) | ||
| t.Cleanup(cancel) | ||
| } | ||
|
|
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| return ctx | ||
| } | ||
|
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| func runNatsContainer(ctx context.Context, t testing.TB) string { | ||
| req := testcontainers.ContainerRequest{ | ||
| Image: "nats:latest", | ||
| ExposedPorts: []string{"4222/tcp", "8222/tcp"}, | ||
| Entrypoint: []string{"/nats-server"}, | ||
| Cmd: []string{"-js", "-m", "8222"}, | ||
| WaitingFor: wait.NewHTTPStrategy("/varz"). | ||
| WithAllowInsecure(true). | ||
| WithPort("8222/tcp"). | ||
| WithTLS(false). | ||
| WithStartupTimeout(15 * time.Second), | ||
| HostConfigModifier: func(config *container.HostConfig) { | ||
| config.AutoRemove = true | ||
| }, | ||
| } | ||
| natsContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{ | ||
| ContainerRequest: req, | ||
| Started: true, | ||
| }) | ||
|
|
||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| t.Cleanup(func() { | ||
| if err := natsContainer.Terminate(ctx); err != nil { | ||
| t.Fatalf("Failed to terminate nats container, error = %v", err) | ||
| } | ||
| }) | ||
|
|
||
| ip, err := natsContainer.Host(ctx) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| var port nat.Port | ||
| if port, err = natsContainer.MappedPort(ctx, "4222/tcp"); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| return fmt.Sprintf("%s:%s", ip, port.Port()) | ||
| } |
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