Michael McGuinness
133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
package grpc_test
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import (
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"context"
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"fmt"
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"strconv"
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"testing"
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"github.com/docker/go-connections/nat"
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"github.com/testcontainers/testcontainers-go"
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"github.com/testcontainers/testcontainers-go/network"
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"github.com/testcontainers/testcontainers-go/wait"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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)
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type containerConfig struct {
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DB dbConfig
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Network *testcontainers.DockerNetwork
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}
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func createContainer(t *testing.T, ctx context.Context, config *containerConfig) (*grpc.ClientConn, testcontainers.Container) {
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port, err := nat.NewPort("tcp", "8080")
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if err != nil {
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t.Fatalf("Failed to create port: %v", err)
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}
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req := testcontainers.ContainerRequest{
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//TODO
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//FromDockerfile: testcontainers.FromDockerfile{
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// Context: "../../..",
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// Dockerfile: "build/package/grpc/Dockerfile",
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// KeepImage: true,
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//},
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Image: "gotemplate_grpc:latest",
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Env: map[string]string{
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"DB_USER": config.DB.User,
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"DB_PASS": config.DB.Password,
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"DB_HOST": config.DB.Host,
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"DB_NAME": config.DB.Name,
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"DB_PORT": strconv.Itoa(config.DB.Port),
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},
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ExposedPorts: []string{port.Port()},
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WaitingFor: wait.ForListeningPort(port),
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Networks: []string{config.Network.Name},
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}
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container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
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ContainerRequest: req,
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Started: true,
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})
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if err != nil {
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t.Fatalf("Failed to start container: %v", err)
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}
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host, err := container.Host(ctx)
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if err != nil {
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t.Fatalf("Failed to extract host: %v", err)
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}
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mappedPort, err := container.MappedPort(ctx, port)
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if err != nil {
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t.Fatalf("Failed to extract port: %v", err)
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}
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conn, err := grpc.NewClient(
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fmt.Sprintf("%s:%s", host, mappedPort.Port()),
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grpc.WithTransportCredentials(insecure.NewCredentials()),
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)
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if err != nil {
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t.Fatalf("Failed to connect to gRPC server: %v", err)
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}
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return conn, container
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}
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type dbConfig struct {
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Name string
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Host string
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Port int
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User string
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Password string
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}
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func createDB(t *testing.T, ctx context.Context, network *testcontainers.DockerNetwork) (*dbConfig, testcontainers.Container) {
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alias := "postgres"
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port, err := nat.NewPort("tcp", "5432")
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if err != nil {
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t.Fatalf("Failed to create port: %v", err)
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}
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config := dbConfig{
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Name: "gotemplate",
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Password: "pass",
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User: "postgres",
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Port: port.Int(),
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Host: alias,
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}
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req := testcontainers.ContainerRequest{
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Image: "postgres:latest",
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Env: map[string]string{
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"POSTGRES_DB": config.Name,
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"POSTGRES_USER": config.User,
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"POSTGRES_PASSWORD": config.Password,
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},
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Networks: []string{network.Name},
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NetworkAliases: map[string][]string{
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network.Name: {alias},
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},
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ExposedPorts: []string{port.Port()},
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WaitingFor: wait.ForListeningPort(port),
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}
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container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
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ContainerRequest: req,
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Started: true,
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})
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if err != nil {
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t.Fatalf("Failed to start container: %v", err)
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}
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return &config, container
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}
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func createNetwork(t *testing.T, ctx context.Context) *testcontainers.DockerNetwork {
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network, err := network.New(ctx, network.WithDriver("bridge"))
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if err != nil {
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t.Fatal(err)
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}
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return network
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}
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