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Merge pull request #291 from pact-foundation/example/avro
feat: add an Avro example
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| //go:build consumer | ||
| // +build consumer | ||
|
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| package avro | ||
|
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "net/url" | ||
| "os" | ||
| "testing" | ||
|
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| "github.com/pact-foundation/pact-go/v2/consumer" | ||
|
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| "path/filepath" | ||
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| var dir, _ = os.Getwd() | ||
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| func TestAvroHTTP(t *testing.T) { | ||
| mockProvider, err := consumer.NewV4Pact(consumer.MockHTTPProviderConfig{ | ||
| Consumer: "AvroConsumer", | ||
| Provider: "AvroProvider", | ||
| PactDir: filepath.ToSlash(fmt.Sprintf("%s/../pacts", dir)), | ||
| }) | ||
| assert.NoError(t, err) | ||
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| dir, _ := os.Getwd() | ||
| path := fmt.Sprintf("%s/user.avsc", dir) | ||
|
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| avroResponse := `{ | ||
| "pact:avro": "` + path + `", | ||
| "pact:record-name": "User", | ||
| "pact:content-type": "avro/binary", | ||
| "id": "matching(number, 1)", | ||
| "username": "notEmpty('matt')" | ||
| }` | ||
|
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| // Set up our expected interactions. | ||
| err = mockProvider. | ||
| AddInteraction(). | ||
| UponReceiving("A request to do get some Avro stuff"). | ||
| UsingPlugin(consumer.PluginConfig{ | ||
| Plugin: "avro", | ||
| Version: "0.0.2", | ||
| }). | ||
| WithRequest("GET", "/avro"). | ||
| WillRespondWith(200, func(res *consumer.V4InteractionWithPluginResponseBuilder) { | ||
| res.PluginContents("avro/binary", avroResponse) | ||
| }). | ||
| ExecuteTest(t, func(msc consumer.MockServerConfig) error { | ||
| resp, err := callServiceHTTP(msc) | ||
|
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| assert.Equal(t, int64(1), resp.ID) | ||
| assert.Equal(t, "matt", resp.Username) // ??????! | ||
|
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| return err | ||
| }) | ||
| assert.NoError(t, err) | ||
| } | ||
|
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| func callServiceHTTP(msc consumer.MockServerConfig) (*User, error) { | ||
| client := &http.Client{} | ||
| req := &http.Request{ | ||
| Method: "GET", | ||
| URL: &url.URL{ | ||
| Host: fmt.Sprintf("%s:%d", msc.Host, msc.Port), | ||
| Scheme: "http", | ||
| Path: "/avro", | ||
| }, | ||
| Header: make(http.Header), | ||
| } | ||
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| req.Header.Set("Content-Type", "avro/binary;record=User") | ||
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| res, err := client.Do(req) | ||
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| bytes, err := ioutil.ReadAll(res.Body) | ||
|
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| codec := getCodec() | ||
| native, _, err := codec.NativeFromBinary(bytes) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| user := &User{ | ||
| ID: native.(map[string]interface{})["id"].(int64), | ||
| Username: native.(map[string]interface{})["username"].(string), | ||
| } | ||
|
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| return user, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| //go:build provider | ||
| // +build provider | ||
|
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| package avro | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "net/http" | ||
|
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| "os" | ||
| "path/filepath" | ||
| "testing" | ||
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| "github.com/pact-foundation/pact-go/v2/provider" | ||
| "github.com/pact-foundation/pact-go/v2/utils" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| var dir, _ = os.Getwd() | ||
| var pactDir = fmt.Sprintf("%s/../pacts", dir) | ||
|
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| func TestAvroHTTPProvider(t *testing.T) { | ||
| httpPort, _ := utils.GetFreePort() | ||
|
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| // Start provider API in the background | ||
| go startHTTPProvider(httpPort) | ||
|
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| verifier := provider.NewVerifier() | ||
|
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| // Verify the Provider with local Pact Files | ||
| err := verifier.VerifyProvider(t, provider.VerifyRequest{ | ||
| ProviderBaseURL: fmt.Sprintf("http://127.0.0.1:%d", httpPort), | ||
| Provider: "AvroProvider", | ||
| PactFiles: []string{ | ||
| filepath.ToSlash(fmt.Sprintf("%s/AvroConsumer-AvroProvider.json", pactDir)), | ||
| }, | ||
| }) | ||
|
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| assert.NoError(t, err) | ||
| } | ||
|
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| func startHTTPProvider(port int) { | ||
| mux := http.NewServeMux() | ||
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| mux.HandleFunc("/avro", func(w http.ResponseWriter, req *http.Request) { | ||
| w.Header().Add("Content-Type", "avro/binary;record=User") | ||
|
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| user := &User{ | ||
| ID: 1, | ||
| Username: "matt", | ||
| // Username: "sally", // matching rules not supported? | ||
| } | ||
|
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| codec := getCodec() | ||
| binary, err := codec.BinaryFromNative(nil, map[string]interface{}{ | ||
| "id": user.ID, | ||
| "username": user.Username, | ||
| }) | ||
| if err != nil { | ||
| log.Println("ERROR: ", err) | ||
| w.WriteHeader(500) | ||
| } else { | ||
| fmt.Fprintf(w, string(binary)) | ||
| w.WriteHeader(200) | ||
| } | ||
| }) | ||
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| log.Printf("started HTTP server on port: %d\n", port) | ||
| log.Fatal(http.ListenAndServe(fmt.Sprintf("127.0.0.1:%d", port), mux)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| package avro | ||
|
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| import ( | ||
| "io/ioutil" | ||
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| "github.com/linkedin/goavro/v2" | ||
| ) | ||
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| func getCodec() *goavro.Codec { | ||
| schema, err := ioutil.ReadFile("user.avsc") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| codec, err := goavro.NewCodec(string(schema)) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| return codec | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| { | ||
| "type": "record", | ||
| "name": "User", | ||
| "namespace": "io.pact", | ||
| "fields" : [ | ||
| {"name": "id", "type": "long"}, | ||
| {"name": "username", "type": "string"} | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| package avro | ||
|
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| type User struct { | ||
| ID int64 `json:"id"` | ||
| Username string `json:"username"` | ||
| } |
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