/
test.go
160 lines (136 loc) · 3.64 KB
/
test.go
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package test
import (
"context"
"net"
"cloud.google.com/go/errorreporting"
"cloud.google.com/go/errorreporting/apiv1beta1/errorreportingpb"
"cloud.google.com/go/logging"
"cloud.google.com/go/logging/apiv2/loggingpb"
"cloud.google.com/go/pubsub"
"cloud.google.com/go/pubsub/pstest"
"github.com/otto-de/sherlock-microservice/pkg/gcp"
"go.opentelemetry.io/otel/sdk/trace"
"google.golang.org/api/option"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
type fakeServers struct {
PubSub *pstest.Server
}
type FakeSetup struct {
Servers fakeServers
Services gcp.Services
}
type server struct {
FakeSetup
listener net.Listener
grpcServer *grpc.Server
psServerConn *grpc.ClientConn
fes *fakeErrorreportingServer
}
type ReportErrorFunc func(ctx context.Context, req *errorreportingpb.ReportErrorEventRequest) (*errorreportingpb.ReportErrorEventResponse, error)
type testServicesOption struct {
f ReportErrorFunc
}
func WithErrorReportChannel(evs chan<- *errorreportingpb.ReportedErrorEvent) testServicesOption {
return testServicesOption{
f: func(ctx context.Context, req *errorreportingpb.ReportErrorEventRequest) (*errorreportingpb.ReportErrorEventResponse, error) {
evs <- req.Event
return &errorreportingpb.ReportErrorEventResponse{}, nil
},
}
}
func WithErrorReportCallback(f ReportErrorFunc) testServicesOption {
return testServicesOption{
f: f,
}
}
func MustMakeTestServices(ctx context.Context, project, serviceName string, opts ...testServicesOption) *server {
var fes *fakeErrorreportingServer
for _, opt := range opts {
if opt.f != nil {
fes = &fakeErrorreportingServer{
f: opt.f,
}
}
}
if fes == nil {
fes = &fakeErrorreportingServer{}
}
l, err := net.Listen("tcp", "localhost:0")
if err != nil {
panic(err)
}
psServer := pstest.NewServer()
loggingServer := &loggingFakeServer{
resp: &loggingpb.WriteLogEntriesResponse{},
}
grpcServer := grpc.NewServer()
errorreportingpb.RegisterReportErrorsServiceServer(grpcServer, fes)
loggingpb.RegisterLoggingServiceV2Server(grpcServer, loggingServer)
fakeServerAddr := l.Addr().String()
psServerConn, err := grpc.Dial(psServer.Addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
panic(err)
}
pubSub, err := pubsub.NewClient(ctx, project, option.WithGRPCConn(psServerConn))
if err != nil {
panic(err)
}
errRep, err := errorreporting.NewClient(
ctx,
project,
errorreporting.Config{
ServiceName: serviceName,
},
option.WithEndpoint(fakeServerAddr),
option.WithoutAuthentication(),
option.WithGRPCDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
)
if err != nil {
panic(err)
}
lc, err := logging.NewClient(
ctx,
project,
option.WithEndpoint(fakeServerAddr),
option.WithoutAuthentication(),
option.WithGRPCDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
)
if err != nil {
panic(err)
}
tp := trace.NewTracerProvider(trace.WithSampler(trace.NeverSample()))
go func() {
if err := grpcServer.Serve(l); err != nil {
panic(err)
}
}()
return &server{
FakeSetup: FakeSetup{
Servers: fakeServers{
PubSub: psServer,
},
Services: gcp.Services{
TracerProvider: tp,
ErrorReporting: errRep,
Logging: lc,
PubSub: pubSub,
},
},
fes: fes,
grpcServer: grpcServer,
listener: l,
psServerConn: psServerConn,
}
}
func (s *server) Close() error {
// Ignore close errors because usually
// we are not that particular about testing
s.Services.Close()
s.grpcServer.GracefulStop()
s.Servers.PubSub.Close()
s.psServerConn.Close()
s.listener.Close()
return nil
}