[Live Now] Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Join for FREE! Join TestMu Conference

How to use NewDockerClient method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.NewDockerClient

e2e_test.go

Source:e2e_test.go

...170	require.NoError(t, err)171	catalyst.rtmp = mappedPort.Port()172	// container IP173	cid := container.GetContainerID()174	dockerClient, _, _, err := testcontainers.NewDockerClient()175	require.NoError(t, err)176	inspect, err := dockerClient.ContainerInspect(ctx, cid)177	require.NoError(t, err)178	catalyst.ip = inspect.NetworkSettings.Networks[network].IPAddress179	return catalyst180}181func tcp(p string) string {182	return fmt.Sprintf("%s/tcp", p)183}184func requireMembersJoined(t *testing.T, containers ...*catalystContainer) {185	c1 := containers[0]186	correctMembersNumber := func() bool {187		client, err := command.RPCClient(fmt.Sprintf("127.0.0.1:%s", c1.serf), "")188		if err != nil {...

suite.go

Source:suite.go

...144	t.Helper()145	s.mu.Lock()146	defer s.mu.Unlock()147	if s.volume == nil {148		docker, _, _, err := testcontainers.NewDockerClient()149		require.NoError(t, err)150		v, err := docker.VolumeCreate(151			s.Context(t),152			volume.VolumeCreateBody{153				Name: fmt.Sprintf("%s-volume", s.Name),154			},155		)156		require.NoError(t, err)157		t.Cleanup(func() {158			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)159			defer cancel()160			if err := docker.VolumeRemove(ctx, v.Name, true); err != nil {161				t.Logf("failed to remove volume: %v", err)162			}...

container_test.go

Source:container_test.go

...5	docker "github.com/fsouza/go-dockerclient"6	"github.com/stretchr/testify/assert"7)8func TestContainers(t *testing.T) {9	client, err := utils.NewDockerClient()10	if err != nil {11		t.Error(err)12	}13	hash := "f8e9f807c23bd12b81e30ae57eb9619404aed110"14	opts := docker.CreateContainerOptions{15		Name:       "test-app-" + hash,16		HostConfig: &docker.HostConfig{},17		Config: &docker.Config{18			Image:  "davey/hello",19			Labels: map[string]string{hash: "true"},20		},21	}22	err = Start(client, opts)23	assert.NoError(t, err)...

NewDockerClient

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   wait.ForListeningPort("5432/tcp"),7	}8	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer postgres.Terminate(ctx)14	ip, err := postgres.Host(ctx)15	if err != nil {16		panic(err)17	}18	port, err := postgres.MappedPort(ctx, "5432")19	if err != nil {20		panic(err)21	}22	fmt.Println(ip, port.Int())23}24import (25func main() {26	ctx := context.Background()27	req := testcontainers.ContainerRequest{28		ExposedPorts: []string{"5432/tcp"},29		WaitingFor:   wait.ForListeningPort("5432/tcp"),30	}31	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{32	})33	if err != nil {34		panic(err)35	}36	defer postgres.Terminate(ctx)37	ip, err := postgres.Host(ctx)38	if err != nil {39		panic(err)40	}41	port, err := postgres.MappedPort(ctx, "5432")42	if err != nil {43		panic(err)44	}45	fmt.Println(ip, port.Int())46}47import (48func main() {49	ctx := context.Background()50	req := testcontainers.ContainerRequest{51		ExposedPorts: []string{"5432/tcp"},52		WaitingFor:   wait.ForListeningPort("5432/tcp"),53	}

NewDockerClient

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    req := testcontainers.ContainerRequest{5        ExposedPorts: []string{"6379/tcp"},6        WaitingFor:   wait.ForListeningPort("6379/tcp"),7    }8    redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    if err != nil {11        panic(err)12    }13    defer redisContainer.Terminate(ctx)14    ip, err := redisContainer.Host(ctx)15    if err != nil {16        panic(err)17    }18    port, err := redisContainer.MappedPort(ctx, "6379/tcp")19    if err != nil {20        panic(err)21    }22    fmt.Printf("redis available at %s:%s", ip, port.Port())23}

NewDockerClient

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"6379/tcp"},6		WaitingFor:   wait.ForListeningPort("6379/tcp"),7	}8	redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer redisContainer.Terminate(ctx)14	redisHost, err := redisContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	redisPort, err := redisContainer.MappedPort(ctx, "6379/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(redisURL)23}

NewDockerClient

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   wait.ForLog("database system is ready to accept connections"),7	}8	client, err := testcontainers.NewDockerClient()9	if err != nil {10		panic(err)11	}12	container, err := client.CreateContainer(ctx, req)13	if err != nil {14		panic(err)15	}16	err = container.Start(ctx)17	if err != nil {18		panic(err)19	}20	ip, err := container.Host(ctx)21	if err != nil {22		panic(err)23	}24	port, err := container.MappedPort(ctx, "5432")25	if err != nil {26		panic(err)27	}28	fmt.Println(ip)29	fmt.Println(port.Int())30	err = container.Terminate(ctx)31	if err != nil {32		panic(err)33	}34}

NewDockerClient

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"5432/tcp"},5		WaitingFor:   wait.ForListeningPort("5432/tcp"),6	}7	ctx := context.Background()8	postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer postgresContainer.Terminate(ctx)14	ip, err := postgresContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := postgresContainer.MappedPort(ctx, "5432/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(ip, port.Int())23	time.Sleep(1 * time.Minute)24}25import (26func main() {27	req := testcontainers.ContainerRequest{28		ExposedPorts: []string{"5432/tcp"},29		WaitingFor:   wait.ForListeningPort("5432/tcp"),30	}31	ctx := context.Background()32	postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{33	})34	if err != nil {35		log.Fatal(err)36	}37	defer postgresContainer.Terminate(ctx)38	ip, err := postgresContainer.Host(ctx)39	if err != nil {40		log.Fatal(err)41	}42	port, err := postgresContainer.MappedPort(ctx, "5432/tcp")43	if err != nil {44		log.Fatal(err)45	}46	fmt.Println(ip, port.Int())47	time.Sleep(1 * time.Minute)48}

NewDockerClient

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"6379/tcp"},6		WaitingFor:   wait.ForListeningPort("6379/tcp"),7	}8	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	port, err := redis.MappedPort(ctx, "6379/tcp")14	if err != nil {15		panic(err)16	}17	fmt.Println(port.Int())18	redis.Terminate(ctx)19}

NewDockerClient

Using AI Code Generation

1import (2func main() {3	client, err := testcontainers.NewDockerClient()4	if err != nil {5		panic(err)6	}7	fmt.Println(client)8}9{0xc0000b2000 0xc0000b2000}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.