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tracing_test.go
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tracing_test.go
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package apollofederatedtracingv1_test
import (
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/99designs/gqlgen/graphql/handler/apollofederatedtracingv1"
"github.com/99designs/gqlgen/graphql/handler/apollofederatedtracingv1/generated"
"github.com/99designs/gqlgen/graphql/handler/apollotracing"
"github.com/99designs/gqlgen/graphql/handler/extension"
"github.com/99designs/gqlgen/graphql/handler/lru"
"github.com/99designs/gqlgen/graphql/handler/testserver"
"github.com/99designs/gqlgen/graphql/handler/transport"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/vektah/gqlparser/v2/gqlerror"
"google.golang.org/protobuf/proto"
)
func TestApolloTracing(t *testing.T) {
h := testserver.New()
h.AddTransport(transport.POST{})
h.Use(&apollofederatedtracingv1.Tracer{})
resp := doRequest(h, http.MethodPost, "/graphql", `{"query":"{ name }"}`)
assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
var respData struct {
Extensions struct {
FTV1 string `json:"ftv1"`
} `json:"extensions"`
}
require.NoError(t, json.Unmarshal(resp.Body.Bytes(), &respData))
tracing := respData.Extensions.FTV1
pbuf, err := base64.StdEncoding.DecodeString(tracing)
require.Nil(t, err)
ftv1 := &generated.Trace{}
err = proto.Unmarshal(pbuf, ftv1)
require.Nil(t, err)
require.NotZero(t, ftv1.StartTime.Nanos)
require.Less(t, ftv1.StartTime.Nanos, ftv1.EndTime.Nanos)
require.EqualValues(t, ftv1.EndTime.Nanos-ftv1.StartTime.Nanos, ftv1.DurationNs)
fmt.Printf("%#v\n", resp.Body.String())
require.Equal(t, "Query", ftv1.Root.Child[0].ParentType)
require.Equal(t, "name", ftv1.Root.Child[0].GetResponseName())
require.Equal(t, "String!", ftv1.Root.Child[0].Type)
}
func TestApolloTracing_Concurrent(t *testing.T) {
h := testserver.New()
h.AddTransport(transport.POST{})
h.Use(&apollofederatedtracingv1.Tracer{})
for i := 0; i < 2; i++ {
go func() {
resp := doRequest(h, http.MethodPost, "/graphql", `{"query":"{ name }"}`)
assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
var respData struct {
Extensions struct {
FTV1 string `json:"ftv1"`
} `json:"extensions"`
}
require.NoError(t, json.Unmarshal(resp.Body.Bytes(), &respData))
tracing := respData.Extensions.FTV1
pbuf, err := base64.StdEncoding.DecodeString(tracing)
require.Nil(t, err)
ftv1 := &generated.Trace{}
err = proto.Unmarshal(pbuf, ftv1)
require.Nil(t, err)
require.NotZero(t, ftv1.StartTime.Nanos)
}()
}
}
func TestApolloTracing_withFail(t *testing.T) {
h := testserver.New()
h.AddTransport(transport.POST{})
h.Use(extension.AutomaticPersistedQuery{Cache: lru.New(100)})
h.Use(apollotracing.Tracer{})
resp := doRequest(h, http.MethodPost, "/graphql", `{"operationName":"A","extensions":{"persistedQuery":{"version":1,"sha256Hash":"338bbc16ac780daf81845339fbf0342061c1e9d2b702c96d3958a13a557083a6"}}}`)
assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
b := resp.Body.Bytes()
t.Log(string(b))
var respData struct {
Errors gqlerror.List
}
require.NoError(t, json.Unmarshal(b, &respData))
require.Len(t, respData.Errors, 1)
require.Equal(t, "PersistedQueryNotFound", respData.Errors[0].Message)
}
func doRequest(handler http.Handler, method, target, body string) *httptest.ResponseRecorder {
r := httptest.NewRequest(method, target, strings.NewReader(body))
r.Header.Set("Content-Type", "application/json")
r.Header.Set("apollo-federation-include-trace", "ftv1")
w := httptest.NewRecorder()
handler.ServeHTTP(w, r)
return w
}