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

How to use TestContainerLogWithErrClosed method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.TestContainerLogWithErrClosed

logconsumer_test.go

Source:logconsumer_test.go

...144		StderrLog: "echo this-is-stderr\n",145	}, g.LogTypes)146	_ = c.Terminate(ctx)147}148func TestContainerLogWithErrClosed(t *testing.T) {149	// First spin up a docker-in-docker container, then spin up an inner container within that dind container150	// Logs are being read from the inner container via the dind container's tcp port, which can be briefly151	// closed to test behaviour in connection-closed situations.152	ctx := context.Background()153	dind, err := GenericContainer(ctx, GenericContainerRequest{154		Started: true,155		ContainerRequest: ContainerRequest{156			Image:        "docker:dind",157			ExposedPorts: []string{"2375/tcp"},158			Env:          map[string]string{"DOCKER_TLS_CERTDIR": ""},159			WaitingFor:   wait.ForListeningPort("2375/tcp"),160			Privileged:   true,161		},162	})...

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func TestContainerLogWithErrClosed(t *testing.T) {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForListeningPort("80/tcp"),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	id, err := container.ContainerID(ctx)15	if err != nil {16		log.Fatal(err)17	}18	ip, err := container.Host(ctx)19	if err != nil {20		log.Fatal(err)21	}22	port, err := container.MappedPort(ctx, "80")23	if err != nil {24		log.Fatal(err)25	}

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"8080/tcp"},6		WaitingFor:   wait.ForListeningPort("8080/tcp"),7	}8	ryukContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer ryukContainer.Terminate(ctx)14	ip, err := ryukContainer.Host(ctx)15	if err != nil {16		panic(err)17	}18	port, err := ryukContainer.MappedPort(ctx, "8080")19	if err != nil {20		panic(err)21	}22	port, err := ryukContainer.MappedPort(ctx, "8080")23	if err != nil {24		panic(err)25	}26	fmt.Printf("Ryuk is running on %s:%s", ip, port.Port())27}28import (29func main() {30	ctx := context.Background()31	req := testcontainers.ContainerRequest{32		ExposedPorts: []string{"8080/tcp"},33		WaitingFor:   wait.ForListeningPort("8080/tcp"),34	}35	ryukContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{36	})37	if err != nil {38		panic(err)39	}40	defer ryukContainer.Terminate(ctx)41	ip, err := ryukContainer.Host(ctx)42	if err != nil {43		panic(err)44	}45	port, err := ryukContainer.MappedPort(ctx, "

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "while true; do sleep 1; done"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("while true; do sleep 1; done"),8	}9	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Fatal(err)13	}14	id, err := container.ContainerID(ctx)15	if err != nil {16		log.Fatal(err)17	}18	fmt.Println("Container id is ", id)19	ip, err := container.Host(ctx)20	if err != nil {21		log.Fatal(err)22	}23	fmt.Println("Container ip is ", ip)24	port, err := container.MappedPort(ctx, "80")25	if err != nil {26		log.Fatal(err)27	}28	fmt.Println("Container port is ", port.Int())29	logs, err := container.Logs(ctx)30	if err != nil {31		log.Fatal(err)32	}33	b := make([]byte, 1024)34	for {35		n, err := logs.Read(b)36		if err != nil {37			if err == io.EOF {38			}39			log.Fatal(err)40		}41		fmt.Println(string(b[:n]))42	}43	time.Sleep(5 * time.Second)44	err = container.Terminate(ctx)45	if err != nil {46		log.Fatal(err)47	}48}

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"22/tcp"},6		WaitingFor:   wait.ForLog("OpenSSH_7.4p1"),7	}8	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatalf("Could not start container: %s", err)12	}13	err = container.Terminate(ctx)14	if err != nil {15		log.Fatalf("Could not stop container: %s", err)16	}17	_, err = container.Wait(ctx)18	if err != nil {19		log.Fatalf("Could not wait for container: %s", err)20	}21	logs, err := container.Logs(ctx)22	if err != nil {23		log.Fatalf("Could not get container logs: %s", err)24	}25	log.Printf("Container logs: %s", logs)26	info, err := container.Inspect(ctx)27	if err != nil {28		log.Fatalf("Could not get container info: %s", err)29	}30	log.Printf("Container info: %+v", info)31	ip, err := container.Host(ctx)32	if err != nil {33		log.Fatalf("Could not get container IP: %s", err)34	}35	log.Printf("Container IP: %s", ip)36	port, err := container.MappedPort(ctx, "22")37	if err != nil {38		log.Fatalf("Could not get container port: %s", err)39	}40	log.Printf("Container port: %s", port)41	host, err := container.Host(ctx)42	if err != nil {43		log.Fatalf("Could not get container host: %s", err)44	}45	log.Printf("Container host: %s", host)46	state, err := container.State(ctx)47	if err != nil {48		log.Fatalf("Could

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "while true; do echo hello; sleep 1; done"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("hello"),8	}9	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Fatal(err)13	}14	ip, err := c.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := c.MappedPort(ctx, "80")19	if err != nil {20		log.Fatal(err)21	}22	if err != nil {23		log.Fatal(err)24	}25	body, err := ioutil.ReadAll(resp.Body)26	if err != nil {27		log.Fatal(err)28	}29	fmt.Println(string(body))30	err = c.Terminate(ctx)31	if err != nil {32		log.Fatal(err)33	}34}35import (36func main() {37	ctx := context.Background()38	req := testcontainers.ContainerRequest{39		Cmd:          []string{"sh", "-c", "while true;

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"8080/tcp"},6		WaitingFor:   wait.ForLog("Started Application in"),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	id, err := container.ContainerID(ctx)15	if err != nil {16		log.Fatal(err)17	}18	fmt.Println("Container ID: ", id)19	hostPort, err := container.MappedPort(ctx, "8080/tcp")20	if err != nil {21		log.Fatal(err)22	}23	fmt.Println("Host Port: ", hostPort.Int())24	ip, err := container.Host(ctx)25	if err != nil {26		log.Fatal(err)27	}28	fmt.Println("Container IP: ", ip)29	name, err := container.Name(ctx)30	if err != nil {31		log.Fatal(err)32	}33	fmt.Println("Container Name: ", name)34	logs, err := container.Logs(ctx)35	if err != nil {36		log.Fatal(err)37	}38	defer logs.Close()39	buf := make([]byte, 100)40	for {41		n, err := logs.Read(buf)42		if err == io.EOF {43		}44		if err != nil {45			log.Fatal(err)46		}47		fmt.Printf("%s", buf[:n])48	}49	logs, err = container.Logs(ctx)50	if err != nil {51		log.Fatal(err)52	}53	defer logs.Close()

TestContainerLogWithErrClosed

Using AI Code Generation

1import (2func TestContainerLogWithErrClosed(t *testing.T) {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "echo Hello world"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("Hello world"),8	}9	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		t.Error(err)13	}14	defer c.Terminate(ctx)15	logs, err := c.Logs(ctx)16	if err != nil {17		t.Error(err)18	}19	_, err = io.Copy(os.Stdout, logs)20	if err != nil {21		t.Error(err)22	}23	err = c.Stop(ctx)24	if err != nil {25		t.Error(err)26	}27	logs, err = c.Logs(ctx)28	if err != nil {29		t.Error(err)30	}31	_, err = io.Copy(os.Stdout, logs)32	if err != nil {33		t.Error(err)34	}35	err = logs.Close()36	if err != nil {37		t.Error(err)38	}39	logs, err = c.Logs(ctx)40	if err != nil {41		t.Error(err)42	}43	_, err = io.Copy(os.Stdout, logs)44	if err != nil {45		t.Error(err)46	}47}48func (c *container) Logs(ctx context.Context) (io.ReadCloser, error) {49	logs, err := c.client.ContainerLogs(ctx, c.id, types.ContainerLogsOptions{50	})51	if err != nil {52	}

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.