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Remove grpc-gateway dependency #5060
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yurishkuro
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jaegertracing:main
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yurishkuro:remove-grpc-gateway
Dec 30, 2023
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Original file line number | Diff line number | Diff line change |
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// Copyright (c) 2021 The Jaeger Authors. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package apiv3 | ||
|
||
import ( | ||
"bytes" | ||
"encoding/json" | ||
"io" | ||
"net/http" | ||
"os" | ||
"path" | ||
"path/filepath" | ||
"testing" | ||
|
||
gogojsonpb "github.com/gogo/protobuf/jsonpb" | ||
gogoproto "github.com/gogo/protobuf/proto" | ||
"github.com/gorilla/mux" | ||
"github.com/stretchr/testify/assert" | ||
"github.com/stretchr/testify/require" | ||
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"github.com/jaegertracing/jaeger/model" | ||
_ "github.com/jaegertracing/jaeger/pkg/gogocodec" // force gogo codec registration | ||
"github.com/jaegertracing/jaeger/pkg/tenancy" | ||
"github.com/jaegertracing/jaeger/proto-gen/api_v3" | ||
"github.com/jaegertracing/jaeger/storage/spanstore" | ||
spanstoremocks "github.com/jaegertracing/jaeger/storage/spanstore/mocks" | ||
) | ||
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// Utility functions used from http_gateway_test.go. | ||
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const ( | ||
snapshotLocation = "./snapshots/" | ||
) | ||
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// Snapshots can be regenerated via: | ||
// | ||
// REGENERATE_SNAPSHOTS=true go test -v ./cmd/query/app/apiv3/... | ||
var regenerateSnapshots = os.Getenv("REGENERATE_SNAPSHOTS") == "true" | ||
|
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type testGateway struct { | ||
reader *spanstoremocks.Reader | ||
url string | ||
router *mux.Router | ||
// used to set a tenancy header when executing requests | ||
setupRequest func(*http.Request) | ||
} | ||
|
||
func (gw *testGateway) execRequest(t *testing.T, url string) ([]byte, int) { | ||
req, err := http.NewRequest(http.MethodGet, gw.url+url, nil) | ||
require.NoError(t, err) | ||
req.Header.Set("Content-Type", "application/json") | ||
gw.setupRequest(req) | ||
response, err := http.DefaultClient.Do(req) | ||
require.NoError(t, err) | ||
body, err := io.ReadAll(response.Body) | ||
require.NoError(t, err) | ||
require.NoError(t, response.Body.Close()) | ||
return body, response.StatusCode | ||
} | ||
|
||
func (gw *testGateway) verifySnapshot(t *testing.T, body []byte) []byte { | ||
// reformat JSON body with indentation, to make diffing easier | ||
var data interface{} | ||
require.NoError(t, json.Unmarshal(body, &data), "response: %s", string(body)) | ||
body, err := json.MarshalIndent(data, "", " ") | ||
require.NoError(t, err) | ||
|
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testName := path.Base(t.Name()) | ||
snapshotFile := filepath.Join(snapshotLocation, testName+".json") | ||
if regenerateSnapshots { | ||
os.WriteFile(snapshotFile, body, 0o644) | ||
} | ||
snapshot, err := os.ReadFile(snapshotFile) | ||
require.NoError(t, err) | ||
assert.Equal(t, string(snapshot), string(body), "comparing against stored snapshot. Use REGENERATE_SNAPSHOTS=true to rebuild snapshots.") | ||
return body | ||
} | ||
|
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func parseResponse(t *testing.T, body []byte, obj gogoproto.Message) { | ||
require.NoError(t, gogojsonpb.Unmarshal(bytes.NewBuffer(body), obj)) | ||
} | ||
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func makeTestTrace() (*model.Trace, model.TraceID) { | ||
traceID := model.NewTraceID(150, 160) | ||
return &model.Trace{ | ||
Spans: []*model.Span{ | ||
{ | ||
TraceID: traceID, | ||
SpanID: model.NewSpanID(180), | ||
OperationName: "foobar", | ||
}, | ||
}, | ||
}, traceID | ||
} | ||
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func runGatewayTests( | ||
t *testing.T, | ||
basePath string, | ||
tenancyOptions tenancy.Options, | ||
setupRequest func(*http.Request), | ||
) { | ||
gw := setupHTTPGateway(t, basePath, tenancyOptions) | ||
gw.setupRequest = setupRequest | ||
t.Run("GetServices", gw.runGatewayGetServices) | ||
t.Run("GetOperations", gw.runGatewayGetOperations) | ||
t.Run("GetTrace", gw.runGatewayGetTrace) | ||
t.Run("FindTraces", gw.runGatewayFindTraces) | ||
} | ||
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func (gw *testGateway) runGatewayGetServices(t *testing.T) { | ||
gw.reader.On("GetServices", matchContext).Return([]string{"foo"}, nil).Once() | ||
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body, statusCode := gw.execRequest(t, "/api/v3/services") | ||
require.Equal(t, http.StatusOK, statusCode) | ||
body = gw.verifySnapshot(t, body) | ||
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var response api_v3.GetServicesResponse | ||
parseResponse(t, body, &response) | ||
assert.Equal(t, []string{"foo"}, response.Services) | ||
} | ||
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func (gw *testGateway) runGatewayGetOperations(t *testing.T) { | ||
qp := spanstore.OperationQueryParameters{ServiceName: "foo", SpanKind: "server"} | ||
gw.reader. | ||
On("GetOperations", matchContext, qp). | ||
Return([]spanstore.Operation{{Name: "get_users", SpanKind: "server"}}, nil).Once() | ||
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body, statusCode := gw.execRequest(t, "/api/v3/operations?service=foo&span_kind=server") | ||
require.Equal(t, http.StatusOK, statusCode) | ||
body = gw.verifySnapshot(t, body) | ||
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var response api_v3.GetOperationsResponse | ||
parseResponse(t, body, &response) | ||
require.Len(t, response.Operations, 1) | ||
assert.Equal(t, "get_users", response.Operations[0].Name) | ||
assert.Equal(t, "server", response.Operations[0].SpanKind) | ||
} | ||
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func (gw *testGateway) runGatewayGetTrace(t *testing.T) { | ||
trace, traceID := makeTestTrace() | ||
gw.reader.On("GetTrace", matchContext, traceID).Return(trace, nil).Once() | ||
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body, statusCode := gw.execRequest(t, "/api/v3/traces/"+traceID.String()) | ||
require.Equal(t, http.StatusOK, statusCode, "response=%s", string(body)) | ||
body = gw.verifySnapshot(t, body) | ||
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var response api_v3.GRPCGatewayWrapper | ||
parseResponse(t, body, &response) | ||
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assert.Len(t, response.Result.ResourceSpans, 1) | ||
assert.Equal(t, | ||
bytesOfTraceID(t, traceID.High, traceID.Low), | ||
response.Result.ResourceSpans[0].ScopeSpans[0].Spans[0].TraceId) | ||
} | ||
|
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func (gw *testGateway) runGatewayFindTraces(t *testing.T) { | ||
trace, traceID := makeTestTrace() | ||
q, qp := mockFindQueries() | ||
gw.reader. | ||
On("FindTraces", matchContext, qp). | ||
Return([]*model.Trace{trace}, nil).Once() | ||
body, statusCode := gw.execRequest(t, "/api/v3/traces?"+q.Encode()) | ||
require.Equal(t, http.StatusOK, statusCode, "response=%s", string(body)) | ||
body = gw.verifySnapshot(t, body) | ||
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var response api_v3.GRPCGatewayWrapper | ||
parseResponse(t, body, &response) | ||
|
||
assert.Len(t, response.Result.ResourceSpans, 1) | ||
assert.Equal(t, | ||
bytesOfTraceID(t, traceID.High, traceID.Low), | ||
response.Result.ResourceSpans[0].ScopeSpans[0].Spans[0].TraceId) | ||
} | ||
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func bytesOfTraceID(t *testing.T, high, low uint64) []byte { | ||
traceID := model.NewTraceID(high, low) | ||
buf := make([]byte, 16) | ||
_, err := traceID.MarshalTo(buf) | ||
require.NoError(t, err) | ||
return buf | ||
} |
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renamed from
grpc_gateway_test.go