github.com/shippio/gqlgen@v0.0.0-20220912092219-633ea699ef07/graphql/handler/apollofederatedtracingv1/tracing_test.go (about)

     1  package apollofederatedtracingv1_test
     2  
     3  import (
     4  	"encoding/base64"
     5  	"encoding/json"
     6  	"fmt"
     7  	"net/http"
     8  	"net/http/httptest"
     9  	"strings"
    10  	"testing"
    11  	"time"
    12  
    13  	"github.com/99designs/gqlgen/graphql"
    14  	"github.com/99designs/gqlgen/graphql/handler/apollofederatedtracingv1"
    15  	"github.com/99designs/gqlgen/graphql/handler/apollofederatedtracingv1/generated"
    16  	"github.com/99designs/gqlgen/graphql/handler/apollotracing"
    17  	"github.com/99designs/gqlgen/graphql/handler/extension"
    18  	"github.com/99designs/gqlgen/graphql/handler/lru"
    19  	"github.com/99designs/gqlgen/graphql/handler/testserver"
    20  	"github.com/99designs/gqlgen/graphql/handler/transport"
    21  	"github.com/stretchr/testify/assert"
    22  	"github.com/stretchr/testify/require"
    23  	"github.com/vektah/gqlparser/v2/gqlerror"
    24  	"google.golang.org/protobuf/proto"
    25  )
    26  
    27  func TestApolloTracing(t *testing.T) {
    28  	now := time.Unix(0, 0)
    29  
    30  	graphql.Now = func() time.Time {
    31  		defer func() {
    32  			now = now.Add(100 * time.Nanosecond)
    33  		}()
    34  		return now
    35  	}
    36  
    37  	h := testserver.New()
    38  	h.AddTransport(transport.POST{})
    39  	h.Use(&apollofederatedtracingv1.Tracer{})
    40  
    41  	resp := doRequest(h, http.MethodPost, "/graphql", `{"query":"{ name }"}`)
    42  	assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
    43  	var respData struct {
    44  		Extensions struct {
    45  			FTV1 string `json:"ftv1"`
    46  		} `json:"extensions"`
    47  	}
    48  	require.NoError(t, json.Unmarshal(resp.Body.Bytes(), &respData))
    49  
    50  	tracing := respData.Extensions.FTV1
    51  	pbuf, _ := base64.StdEncoding.DecodeString(tracing)
    52  	ftv1 := &generated.Trace{}
    53  	err := proto.Unmarshal(pbuf, ftv1)
    54  	require.Nil(t, err)
    55  
    56  	require.Zero(t, ftv1.StartTime.Nanos, ftv1.StartTime.Nanos)
    57  	require.EqualValues(t, 900, ftv1.EndTime.Nanos)
    58  	require.EqualValues(t, 900, ftv1.DurationNs)
    59  
    60  	fmt.Printf("%#v\n", resp.Body.String())
    61  	require.Equal(t, "Query", ftv1.Root.Child[0].ParentType)
    62  	require.Equal(t, "name", ftv1.Root.Child[0].GetResponseName())
    63  	require.Equal(t, "String!", ftv1.Root.Child[0].Type)
    64  }
    65  
    66  func TestApolloTracing_withFail(t *testing.T) {
    67  	now := time.Unix(0, 0)
    68  
    69  	graphql.Now = func() time.Time {
    70  		defer func() {
    71  			now = now.Add(100 * time.Nanosecond)
    72  		}()
    73  		return now
    74  	}
    75  
    76  	h := testserver.New()
    77  	h.AddTransport(transport.POST{})
    78  	h.Use(extension.AutomaticPersistedQuery{Cache: lru.New(100)})
    79  	h.Use(apollotracing.Tracer{})
    80  
    81  	resp := doRequest(h, http.MethodPost, "/graphql", `{"operationName":"A","extensions":{"persistedQuery":{"version":1,"sha256Hash":"338bbc16ac780daf81845339fbf0342061c1e9d2b702c96d3958a13a557083a6"}}}`)
    82  	assert.Equal(t, http.StatusOK, resp.Code, resp.Body.String())
    83  	b := resp.Body.Bytes()
    84  	t.Log(string(b))
    85  	var respData struct {
    86  		Errors gqlerror.List
    87  	}
    88  	require.NoError(t, json.Unmarshal(b, &respData))
    89  	require.Len(t, respData.Errors, 1)
    90  	require.Equal(t, "PersistedQueryNotFound", respData.Errors[0].Message)
    91  }
    92  
    93  func doRequest(handler http.Handler, method, target, body string) *httptest.ResponseRecorder {
    94  	r := httptest.NewRequest(method, target, strings.NewReader(body))
    95  	r.Header.Set("Content-Type", "application/json")
    96  	r.Header.Set("apollo-federation-include-trace", "ftv1")
    97  	w := httptest.NewRecorder()
    98  
    99  	handler.ServeHTTP(w, r)
   100  	return w
   101  }