/
test_utils.go
160 lines (142 loc) · 3.57 KB
/
test_utils.go
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package testutils
import (
"context"
"fmt"
"log"
"net/url"
"os"
"path/filepath"
"time"
"github.com/docker/go-connections/nat"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/wait"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
"go.opentelemetry.io/otel/trace"
"gocloud.dev/blob"
"gocloud.dev/blob/fileblob"
users "github.com/practicalgo/code/appendix-b/grpc-server/service"
"google.golang.org/grpc"
"google.golang.org/grpc/test/bufconn"
)
func GetTestBucket(tmpDir string) (*blob.Bucket, error) {
myDir, err := os.MkdirTemp(tmpDir, "test-bucket")
if err != nil {
return nil, err
}
u, err := url.Parse(fmt.Sprintf("file:///%s", myDir))
if err != nil {
return nil, err
}
opts := fileblob.Options{
URLSigner: fileblob.NewURLSignerHMAC(
u,
[]byte("super secret"),
),
}
return fileblob.OpenBucket(myDir, &opts)
}
func GetTestDb() (testcontainers.Container, string, error) {
bootStrapSqlDir, err := os.Stat("../mysql-init")
if err != nil {
return nil, "", err
}
cwd, err := os.Getwd()
if err != nil {
if err != nil {
return nil, "", err
}
}
bindMountPath := filepath.Join(cwd+"/../", bootStrapSqlDir.Name())
waitForSql := wait.ForSQL("3306/tcp", "mysql",
func(p nat.Port) string {
return "root:rootpw@tcp(" +
"127.0.0.1:" + p.Port() +
")/package_server"
})
waitForSql.WithPollInterval(5 * time.Second)
req := testcontainers.ContainerRequest{
Image: "mysql:8.0.26",
ExposedPorts: []string{"3306/tcp"},
Env: map[string]string{
"MYSQL_DATABASE": "package_server",
"MYSQL_USER": "packages_rw",
"MYSQL_PASSWORD": "password",
"MYSQL_ROOT_PASSWORD": "rootpw",
},
ImagePlatform: "linux/x86_64",
BindMounts: map[string]string{
bindMountPath: "/docker-entrypoint-initdb.d",
},
Cmd: []string{
"--default-authentication-plugin=mysql_native_password",
},
WaitingFor: waitForSql,
}
ctx := context.Background()
mysqlC, err := testcontainers.GenericContainer(
ctx,
testcontainers.GenericContainerRequest{
ContainerRequest: req,
Started: true,
})
if err != nil {
return mysqlC, "", err
}
addr, err := mysqlC.PortEndpoint(ctx, "3306", "")
if err != nil {
return mysqlC, "", err
}
return mysqlC, addr, nil
}
func InitTestTracer() (trace.Tracer, error) {
traceExporter, err := stdouttrace.New()
if err != nil {
return nil, err
}
bsp := sdktrace.NewSimpleSpanProcessor(traceExporter)
tp := sdktrace.NewTracerProvider(
sdktrace.WithSpanProcessor(bsp),
sdktrace.WithResource(
resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("PkgServer-Cli"),
),
),
)
otel.SetTracerProvider(tp)
propagator := propagation.NewCompositeTextMapPropagator(
propagation.Baggage{},
propagation.TraceContext{},
)
otel.SetTextMapPropagator(propagator)
return otel.Tracer(""), nil
}
type dummyUserService struct {
users.UnimplementedUsersServer
}
func (s *dummyUserService) GetUser(
ctx context.Context,
in *users.UserGetRequest,
) (*users.UserGetReply, error) {
u := users.User{
Id: 1,
}
return &users.UserGetReply{User: &u}, nil
}
func StartTestGrpcServer() (*grpc.Server, *bufconn.Listener) {
l := bufconn.Listen(10)
s := grpc.NewServer()
users.RegisterUsersServer(s, &dummyUserService{})
go func() {
err := s.Serve(l)
if err != nil {
log.Fatal(err)
}
}()
return s, l
}