How to use Bytes method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Bytes

main_test.go

Source:main_test.go

1package main2import (3	"context"4	"io"5	"log"6	"strings"7	"testing"8	"github.com/testcontainers/testcontainers-go"9	"github.com/testcontainers/testcontainers-go/wait"10)11const success = "                                         /                                      \n" +12	"                                       /////////                                  \n" +13	"                                    ///////////////                               \n" +14	"                                   /////////////////                              \n" +15	"                                      /////////////                               \n" +16	"                                     %%   ////   %                                \n" +17	"                                     %%    //   %%                                \n" +18	"                                   %%      //      %                              \n" +19	"                                 %%        ////      %                            \n" +20	"                                 %     /////////     %                            \n" +21	"                                  % /////////////// %%                            \n" +22	"                                    %%%%%%%%%%%%%%%       \n" +23	"  \n" +24	"    /%%%%%%    /%%                             /%%              /%%%%%                    \n" +25	"   /%%__  %%  | %%                            |__/             |__  %%                    \n" +26	"  | %%  \\ %% /%%%%%%    /%%%%%%  /%%%%%%/%%%%  /%%  /%%%%%%%      | %%  /%%%%%%   /%%%%%% \n" +27	"  | %%%%%%%%|_  %%_/   /%%__  %%| %%_  %%_  %%| %% /%%_____/      | %% |____  %% /%%__  %%\n" +28	"  | %%__  %%  | %%    | %%  \\ %%| %% \\ %% \\ %%| %%| %%       /%%  | %%  /%%%%%%%| %%  \\__/\n" +29	"  | %%  | %%  | %% /%%| %%  | %%| %% | %% | %%| %%| %%      | %%  | %% /%%__  %%| %%      \n" +30	"  | %%  | %%  |  %%%%/|  %%%%%%/| %% | %% | %%| %%|  %%%%%%%|  %%%%%%/|  %%%%%%%| %%      \n" +31	"  |__/  |__/   \\___/   \\______/ |__/ |__/ |__/|__/ \\_______/ \\______/  \\_______/|__/    \n" +32	"  \n" +33	"  \n" +34	"  You configured correctly your Testcontainers Cloud environment! ð\n" +35	"  Continue your journey at https://app.testcontainers.cloud\n"36func TestWithRedis(t *testing.T) {37	w := &strings.Builder{}38	l := log.New(w, "[TESTCONTAINERS] ", log.LstdFlags)39	ctx := context.Background()40	req := testcontainers.ContainerRequest{41		Image:        "redis:6.2.6-alpine",42		ExposedPorts: []string{"6379/tcp"},43		WaitingFor:   wait.ForLog("Ready to accept connections"),44	}45	redisC, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{46		ContainerRequest: req,47		Started:          true,48		Logger:           l,49	})50	if err == nil {51		t.Cleanup(func() {52			_ = redisC.Terminate(ctx)53		})54	}55	t.Run("Container can start", func(t *testing.T) {56		if err != nil {57			t.Fatalf("[Container creation] %s: %v", w, err)58		}59		logs, err := redisC.Logs(ctx)60		if err != nil {61			t.Fatalf("Logs: %s: %v", w, err)62		}63		bytes, err := io.ReadAll(logs)64		if err != nil {65			t.Fatalf("%s: %v", w, err)66		}67		t.Logf("Container logs: \n%s", string(bytes))68		if redisC.GetContainerID() == "" {69			t.Error("Container ID is empty, something went wrong starting the redis container")70		}71	})72	t.Run("Connected to Testcontainers Cloud", func(t *testing.T) {73		if err != nil {74			t.Skip("Container can't be started, seems there is an issue connecting to Testcontainers Cloud")75		}76		if !strings.Contains(w.String(), "testcontainerscloud") {77			t.Fatal("Can't find <testcontainerscloud> in logs, which means that most probably, you're not connected to Testcontainers Cloud:\n", w.String())78		}79		t.Log(success)80	})81}...

helpers_test.go

Source:helpers_test.go

...12	"net/http/httptest"13	"time"14)15func (s *ServerSuite) requestAPI(method string, url string, body interface{}) *httptest.ResponseRecorder {16	bodyBytes, err := json.Marshal(body)17	s.Require().NoError(err)18	req, _ := http.NewRequest(method, url, bytes.NewReader(bodyBytes))19	rr := httptest.NewRecorder()20	s.server.ServeHTTP(rr, req)21	return rr22}23func (s *ServerSuite) findOneAsJSON(collectionName string, filter interface{}) string {24	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)25	defer cancel()26	var result map[string]interface{}27	err := s.db.Collection(collectionName).FindOne(ctx, filter).Decode(&result)28	s.Assert().NoError(err)29	b, err := json.Marshal(result)30	s.Assert().NoError(err)31	return string(b)32}...

common.go

Source:common.go

...15// envoy image for running "consul connect envoy ..."16func getDevContainerDockerfile() (testcontainers.FromDockerfile, error) {17	var buf bytes.Buffer18	tw := tar.NewWriter(&buf)19	dockerfileBytes := []byte(consulEnvoyDockerfile)20	hdr := &tar.Header{21		Name: "Dockerfile",22		Mode: 0600,23		Size: int64(len(dockerfileBytes)),24	}25	if err := tw.WriteHeader(hdr); err != nil {26		return testcontainers.FromDockerfile{}, err27	}28	if _, err := tw.Write(dockerfileBytes); err != nil {29		return testcontainers.FromDockerfile{}, err30	}31	if err := tw.Close(); err != nil {32		return testcontainers.FromDockerfile{}, err33	}34	reader := bytes.NewReader(buf.Bytes())35	fromDockerfile := testcontainers.FromDockerfile{36		ContextArchive: reader,37	}38	return fromDockerfile, nil39}40func getEnvoyVersion() string {41	if version, ok := os.LookupEnv(envoyEnvKey); ok && version != "" {42		return version43	}44	return latestEnvoyVersion45}...

Bytes

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sleep", "100000"},6		WaitingFor:   wait.ForLog("100000"),7	}8	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	defer c.Terminate(ctx)14	ip, err := c.Host(ctx)15	if err != nil {16		panic(err)17	}18	fmt.Println(ip)19	port, err := c.MappedPort(ctx, "80")20	if err != nil {21		panic(err)22	}23	fmt.Println(port.Int())24}

Bytes

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, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	redisHost, _ := redisContainer.Host(ctx)11	redisPort, _ := redisContainer.MappedPort(ctx, "6379")12	fmt.Printf("Redis is available at %s:%s13}

Bytes

Using AI Code Generation

1func main() {2    ctx := context.Background()3    req := testcontainers.ContainerRequest{4        Cmd:          []string{"echo", "hello world"},5    }6    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{7    })8    if err != nil {9        panic(err)10    }11    defer container.Terminate(ctx)12    id, err := container.ContainerID(ctx)13    if err != nil {14        panic(err)15    }16    fmt.Println(id)17    logs, err := container.Logs(ctx)18    if err != nil {19        panic(err)20    }21    fmt.Println(logs)22}

Bytes

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:   []string{"echo", "Hello world!"},6	}7	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{8	})9	if err != nil {10		log.Fatal(err)11	}12	defer c.Terminate(ctx)13	ip, err := c.Host(ctx)14	if err != nil {15		log.Fatal(err)16	}17	port, err := c.MappedPort(ctx, "8080")18	if err != nil {19		log.Fatal(err)20	}21	logs, err := c.Logs(ctx)22	if err != nil {23		log.Fatal(err)24	}25	defer logs.Close()26	f, err := os.Create("container.log")27	if err != nil {28		log.Fatal(err)29	}30	defer f.Close()31	_, err = io.Copy(f, logs)32	if err != nil {33		log.Fatal(err)34	}35	bytes, err := c.Bytes(ctx)36	if err != nil {37		log.Fatal(err)38	}39	fmt.Println(bytes)40}41import (42func main() {43	ctx := context.Background()44	req := testcontainers.ContainerRequest{45		Cmd:   []string{"echo", "Hello world!"},46		WaitingFor: wait.ForLog("Hello world!").WithStartupTimeout(5 * time.Second),47	}48	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{49	})50	if err != nil {51		log.Fatal(err)52	}53	defer c.Terminate(ctx)54	ip, err := c.Host(ctx)55	if err != nil {

Bytes

Using AI Code Generation

1import (2func main() {3	_, b, _, _ := runtime.Caller(0)4	basepath := filepath.Dir(b)5	path := filepath.Join(basepath, "testcontainers.go")6	cmd := exec.Command("go", "run", path)7	out, err := cmd.Output()8	if err != nil {9		log.Fatal(err)10	}11	fmt.Println(string(out))12}

Bytes

Using AI Code Generation

1import (2func main() {3	out, err := exec.Command("go", "run", "testcontainers.go").Output()4	if err != nil {5		log.Fatal(err)6	}7	fmt.Println("output:", string(out))8}

Bytes

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForHTTP("/"),7	}8	nginxContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer nginxContainer.Terminate(ctx)14	ip, err := nginxContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := nginxContainer.MappedPort(ctx, "80")19	if err != nil {20		log.Fatal(err)21	}22	if err != nil {23		log.Fatal(err)24	}25	defer resp.Body.Close()26	body, err := ioutil.ReadAll(resp.Body)27	if err != nil {28		log.Fatal(err)29	}30	fmt.Println(string(body))31}32import (33func main() {34	ctx := context.Background()35	req := testcontainers.ContainerRequest{36		ExposedPorts: []string{"80/tcp"},37		WaitingFor:   wait.ForHTTP("/"),38	}39	nginxContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{40	})41	if err != nil {42		log.Fatal(err)43	}44	defer nginxContainer.Terminate(ctx)45	ip, err := nginxContainer.Host(ctx)46	if err != nil {47		log.Fatal(err)48	}49	port, err := nginxContainer.MappedPort(ctx, "80")50	if err != nil {51		log.Fatal(err)52	}

Bytes

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		Cmd:          []string{"echo", "hello world"},5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   testcontainers.WaitingForLog("hello world"),7	}8	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)9	defer cancel()10	container, err := client.RunContainer(ctx, req)11	if err != nil {12		log.Fatalf("Could not create container: %s", err)13	}14	defer container.Terminate(ctx)15	ip, err := container.Host(ctx)16	if err != nil {17		log.Fatalf("Could not get container IP: %s", err)18	}19	port, err := container.MappedPort(ctx, "80")20	if err != nil {21		log.Fatalf("Could not get container port: %s", err)22	}23	fmt.Printf("Container %s is available on %s:%s", container.GetContainerID(), ip, port.Port())24}25import (26func main() {27	req := testcontainers.ContainerRequest{28		Cmd:          []string{"echo", "hello world"},29		ExposedPorts: []string{"80/tcp"},30		WaitingFor:   testcontainers.WaitingForLog("hello world"),31	}32	ctx, cancel := context.WithTimeout(context

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.