micro-tests/wrapper/trace/opentracing/opentracing_test.go
Vasiliy Tolstov c7dfa3adca update deps
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-04-10 01:30:23 +03:00

150 lines
3.9 KiB
Go

package opentracing_test
import (
"context"
"testing"
opentracing "github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/mocktracer"
"github.com/stretchr/testify/assert"
cli "github.com/unistack-org/micro-client-grpc/v3"
jsoncodec "github.com/unistack-org/micro-codec-json/v3"
rrouter "github.com/unistack-org/micro-router-register/v3"
srv "github.com/unistack-org/micro-server-grpc/v3"
otwrapper "github.com/unistack-org/micro-wrapper-trace-opentracing/v3"
"github.com/unistack-org/micro/v3/broker"
"github.com/unistack-org/micro/v3/client"
"github.com/unistack-org/micro/v3/errors"
"github.com/unistack-org/micro/v3/logger"
"github.com/unistack-org/micro/v3/register"
"github.com/unistack-org/micro/v3/router"
"github.com/unistack-org/micro/v3/server"
)
type Test interface {
Method(ctx context.Context, in *TestRequest, opts ...client.CallOption) (*TestResponse, error)
}
type TestRequest struct {
IsError bool
}
type TestResponse struct {
Message string
}
type testHandler struct{}
func (t *testHandler) Method(ctx context.Context, req *TestRequest, rsp *TestResponse) error {
if req.IsError {
return errors.BadRequest("bad", "test error")
}
rsp.Message = "passed"
return nil
}
func TestClient(t *testing.T) {
logger.DefaultLogger = logger.NewLogger(logger.WithLevel(logger.ErrorLevel))
// setup
assert := assert.New(t)
for name, tt := range map[string]struct {
message string
isError bool
wantMessage string
wantStatus string
}{
"OK": {
message: "passed",
isError: false,
wantMessage: "passed",
wantStatus: "OK",
},
"Invalid": {
message: "",
isError: true,
wantMessage: "",
wantStatus: "InvalidArgument",
},
} {
t.Run(name, func(t *testing.T) {
tracer := mocktracer.New()
reg := register.NewRegister()
brk := broker.NewBroker(broker.Register(reg))
serverName := "micro.server.name"
serverID := "id-1234567890"
serverVersion := "1.0.0"
rt := rrouter.NewRouter(router.Register(reg))
c := cli.NewClient(
client.Codec("application/grpc+json", jsoncodec.NewCodec()),
client.Codec("application/json", jsoncodec.NewCodec()),
client.Router(rt),
client.Wrap(otwrapper.NewClientWrapper(otwrapper.WithTracer(tracer))),
)
s := srv.NewServer(
server.Codec("application/grpc+json", jsoncodec.NewCodec()),
server.Codec("application/json", jsoncodec.NewCodec()),
server.Name(serverName),
server.Version(serverVersion),
server.Id(serverID),
server.Register(reg),
server.Broker(brk),
server.WrapSubscriber(otwrapper.NewServerSubscriberWrapper(otwrapper.WithTracer(tracer))),
server.WrapHandler(otwrapper.NewServerHandlerWrapper(otwrapper.WithTracer(tracer))),
)
if err := s.Init(); err != nil {
t.Fatal(err)
}
defer s.Stop()
type Test struct {
*testHandler
}
if err := s.Handle(s.NewHandler(&Test{new(testHandler)})); err != nil {
t.Fatal(err)
}
if err := s.Start(); err != nil {
t.Fatalf("Unexpected error starting server: %v", err)
}
ctx, span, err := otwrapper.StartSpanFromOutgoingContext(context.Background(), tracer, "root")
assert.NoError(err)
req := c.NewRequest(serverName, "Test.Method", &TestRequest{IsError: tt.isError}, client.RequestContentType("application/json"))
rsp := TestResponse{}
err = c.Call(ctx, req, &rsp)
if tt.isError {
assert.Error(err)
} else {
assert.NoError(err)
}
assert.Equal(rsp.Message, tt.message)
span.Finish()
spans := tracer.FinishedSpans()
assert.Len(spans, 3)
var rootSpan opentracing.Span
for _, s := range spans {
// order of traces in buffer is not garanteed
switch s.OperationName {
case "root":
rootSpan = s
}
}
for _, s := range spans {
assert.Equal(rootSpan.Context().(mocktracer.MockSpanContext).TraceID, s.Context().(mocktracer.MockSpanContext).TraceID)
}
})
}
}