How to use readHostname method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.readHostname

docker_test.go

Source:docker_test.go

...1624		Started:          true,1625	})1626	require.NoError(t, err)1627	terminateContainerOnEnd(t, ctx, container)1628	if actualHostname := readHostname(t, container.GetContainerID()); actualHostname != hostname {1629		t.Fatalf("expected hostname %s, got %s", hostname, actualHostname)1630	}1631}1632func readHostname(tb testing.TB, containerId string) string {1633	containerClient, _, _, err := NewDockerClient()1634	if err != nil {1635		tb.Fatalf("Failed to create Docker client: %v", err)1636	}1637	containerDetails, err := containerClient.ContainerInspect(context.Background(), containerId)1638	if err != nil {1639		tb.Fatalf("Failed to inspect container: %v", err)1640	}1641	return containerDetails.Config.Hostname1642}1643func TestDockerContainerCopyFileToContainer(t *testing.T) {1644	ctx := context.Background()1645	nginxC, err := GenericContainer(ctx, GenericContainerRequest{1646		ProviderType: providerType,...

readHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		Cmd:          []string{"echo", "hello world"},7		WaitingFor:   wait.ForLog("hello world"),8	}

readHostname

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForListeningPort("80/tcp"),7		Cmd:          []string{"echo", "hello world"},8	}9	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		panic(err)13	}14	defer c.Terminate(ctx)15	ip, err := c.Host(ctx)16	if err != nil {17		panic(err)18	}19	port, err := c.MappedPort(ctx, "80")20	if err != nil {21		panic(err)22	}23	fmt.Println(ip, port.Int())24}

readHostname

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    req := testcontainers.ContainerRequest{5        Cmd:          []string{"cat", "/etc/hostname"},6        WaitingFor:   wait.ForLog("test"),7    }8    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    if err != nil {11        log.Fatal(err)12    }13    defer container.Terminate(ctx)14    hostname, err := container.Exec(ctx, []string{"cat", "/etc/hostname"})15    if err != nil {16        log.Fatal(err)17    }18    fmt.Println(hostname)19}

readHostname

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")19	if err != nil {20		panic(err)21	}22	redisClient := redis.NewClient(&redis.Options{23		Addr: ip + ":" + port.Port(),24	})25	_, err = redisClient.Ping().Result()26	if err != nil {27		panic(err)28	}29	fmt.Println("Connected to Redis!")30}31import (32func main() {33	ctx := context.Background()34	req := testcontainers.ContainerRequest{35		ExposedPorts: []string{"6379/tcp"},36		WaitingFor:   wait.ForListeningPort("6379/tcp"),37	}38	redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{39	})40	if err != nil {41		panic(err)42	}43	defer redisContainer.Terminate(ctx)44	ip, err := redisContainer.Host(ctx)45	if err != nil {46		panic(err)47	}48	port, err := redisContainer.MappedPort(ctx, "6379")49	if err != nil {50		panic(err)51	}52	redisClient := redis.NewClient(&redis.Options{

readHostname

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	postgresContainer, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	ip, _ := postgresContainer.Host(ctx)11	port, _ := postgresContainer.MappedPort(ctx, "5432/tcp")12	fmt.Println(ip, port.Int())13	postgresContainer.Terminate(ctx)14}15github.com/testcontainers/testcontainers-go.(*dockerContainer).MappedPort(0xc0000b6000, 0x9b7e20, 0xc0000b4000, 0xc0000b4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)

readHostname

Using AI Code Generation

1import (2func main() {3	hostname, _ := testcontainers.DefaultDockerClient.ReadHostname()4	fmt.Println(hostname)5}6import (7func main() {8	hostname, _ := testcontainers.NewDockerClient(nil, nil).ReadHostname()9	fmt.Println(hostname)10}

readHostname

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    hostname := testcontainers.ReadHostname()5    fmt.Println(hostname)6}7import (8func ReadHostname() string {9    file, err := os.Open("hostname")10    if err != nil {11        fmt.Println(err)12    }13    defer file.Close()14    scanner := bufio.NewScanner(file)15    for scanner.Scan() {16        hostname = scanner.Text()17    }18}19Your name to display (optional):20Your name to display (optional):

readHostname

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		Cmd:          []string{"bash", "-c", "while true; do hostname > /tmp/hostname; sleep 1; done"},5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForLog("listening on IPv4 address"),7	}8	ctx := context.Background()9	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		panic(err)13	}14	ip, err := container.Host(ctx)15	if err != nil {16		panic(err)17	}18	port, err := container.MappedPort(ctx, "80")19	if err != nil {20		panic(err)21	}22	fmt.Println(ip, port.Int())23	hostname, err := readHostname(ip, port.Int())24	if err != nil {25		panic(err)26	}27	fmt.Println(hostname)28	err = container.Terminate(ctx)29	if err != nil {30		panic(err)31	}32}33import (34func main() {35	req := testcontainers.ContainerRequest{36		Cmd:          []string{"bash", "-c", "while true; do hostname > /tmp/hostname; sleep 1; done"},37		ExposedPorts: []string{"80/tcp"},38		WaitingFor:   wait.ForLog("listening on IPv4 address"),39	}40	ctx := context.Background()41	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{

readHostname

Using AI Code Generation

1func main() {2    hostname := testcontainers.readHostname()3    fmt.Printf("Hostname is: %s4}5import (6func readHostname() string {7    out, err := exec.Command("hostname").Output()8    if err != nil {9        fmt.Printf("%s", err)10    }11    hostname := string(out[:])12}

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.