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How to use WithEnv method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.WithEnv

base_container.go

Source:base_container.go

...60func (bc *BaseContainer) WithCmd(cmd []string) *BaseContainer {61	bc.containerRequest.Cmd = append(bc.containerRequest.Cmd, cmd...)62	return bc63}64// WithEnv sets the environment variable to the container.65func (bc *BaseContainer) WithEnv(env map[string]string) *BaseContainer {66	if bc.containerRequest.Env == nil {67		bc.containerRequest.Env = make(map[string]string)68	}69	for k, v := range env {70		bc.containerRequest.Env[k] = v71	}72	return bc73}74// ExposedPorts exposes the ports from the container.75func (bc *BaseContainer) ExposedPorts(ports []string) *BaseContainer {76	bc.containerRequest.ExposedPorts = append(bc.containerRequest.ExposedPorts, ports...)77	return bc78}79// WaitForPort waits for the container ports exposed....

testcontainers.go

Source:testcontainers.go

...15}16func NewTestContainers() TestContainers {17	return TestContainers{startupTimeout: 20}18}19func (r TestContainers) WithEnv(env map[string]string) TestContainers {20	r.env = env21	return r22}23func (r TestContainers) WithMounts(containerMounts ...testcontainers.ContainerMount) TestContainers {24	r.containerMounts = append(r.containerMounts, containerMounts...)25	return r26}27func (r TestContainers) WithExposedPorts(values ...string) TestContainers {28	r.publishPorts = append(r.publishPorts, values...)29	return r30}31func (r TestContainers) WithWaitingFor(waitStrategy wait.Strategy) TestContainers {32	r.waitStrategy = waitStrategy33	return r...

runDocker-compose.go

Source:runDocker-compose.go

...10	identifier := strings.ToLower(uuid.New().String())11	compose := testcontainers.NewLocalDockerCompose(composeFilePaths, identifier)12	execError := compose.13		WithCommand([]string{"up", "-d"}).14		WithEnv(map[string]string{15			"key1": "value1",16			"key2": "value2",17		}).18		Invoke()19	err := execError.Error20	if err != nil {21		return fmt.Errorf("Could not run compose file: %v - %v", composeFilePaths, err)22	}23	return nil24}25func DownDockerCompose(identifier string) error {26	composeFilePaths := []string{"./docker-compose.yml"}27	compose := testcontainers.NewLocalDockerCompose(composeFilePaths, identifier)28	execError := compose.Down()...

WithEnv

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 world; sleep 1; done"},6		WaitingFor:   wait.ForLog("hello world"),7		ExposedPorts: []string{"8080/tcp"},8		Env:          map[string]string{"ENV1": "ENV1_VALUE", "ENV2": "ENV2_VALUE"},9	}10	alpine, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{11	})12	if err != nil {13		log.Fatal(err)14	}15	id, err := alpine.ContainerID(ctx)16	if err != nil {17		log.Fatal(err)18	}19	fmt.Println("Container ID: ", id)20	ip, err := alpine.Host(ctx)21	if err != nil {22		log.Fatal(err)23	}24	fmt.Println("Container IP: ", ip)25	port, err := alpine.MappedPort(ctx, "8080")26	if err != nil {27		log.Fatal(err)28	}29	fmt.Println("Container Port: ", port.Int())30	env, err := alpine.Env(ctx)31	if err != nil {32		log.Fatal(err)33	}34	fmt.Println("Container Env: ", env)35	logs, err := alpine.Logs(ctx)36	if err != nil {37		log.Fatal(err)38	}39	fmt.Println("Container Logs: ", logs)40	err = alpine.Terminate(ctx)41	if err != nil {42		log.Fatal(err)43	}44	err = alpine.Remove(ctx)45	if err != nil {46		log.Fatal(err)47	}48}

WithEnv

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"27017/tcp"},6		WaitingFor:   wait.ForLog("waiting for connections on port"),7		Env: map[string]string{8		},9	}10	mongo, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{11	})12	if err != nil {13		panic(err)14	}15	defer mongo.Terminate(ctx)16	mongoPort, err := mongo.MappedPort(ctx, "27017")17	if err != nil {18		panic(err)19	}20	fmt.Printf("Mongo port is: %d21", mongoPort.Int())22	mongoHost, err := mongo.Host(ctx)23	if err != nil {24		panic(err)25	}26	fmt.Printf("Mongo host is: %s

WithEnv

Using AI Code Generation

1func TestWithEnv(t *testing.T) {2	ctx := context.Background()3	req := testcontainers.ContainerRequest{4		Cmd:          []string{"echo", "hello world"},5		WaitingFor:   wait.ForLog("hello world"),6		ExposedPorts: []string{"80/tcp"},7	}8	req.WithEnv("hello", "world")9	req.WithEnvs(map[string]string{"hello": "world"})10	req.BindMounts = map[string]string{"./test.txt": "/etc/test.txt"}11	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{12	})13	if err != nil {14		t.Fatal(err)15	}16	defer c.Terminate(ctx)17}

WithEnv

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForLog("Hello from Docker!"),7	}8	req.WithEnv("ENV1", "VALUE1")9	req.WithEnv("ENV2", "VALUE2")10	req.WithEnv("ENV3", "VALUE3")11	req.WithEnv("ENV4", "VALUE4")12	req.WithEnv("ENV5", "VALUE5")13	req.WithEnv("ENV6", "VALUE6")14	req.WithEnv("ENV7", "VALUE7")15	req.WithEnv("ENV8", "VALUE8")16	req.WithEnv("ENV9", "VALUE9")17	req.WithEnv("ENV10", "VALUE10")18	req.WithEnv("ENV11", "VALUE11")19	req.WithEnv("ENV12", "VALUE12")20	req.WithEnv("ENV13", "VALUE13")21	req.WithEnv("ENV14", "VALUE14")22	req.WithEnv("ENV15", "VALUE15")23	req.WithEnv("ENV16", "VALUE16")24	req.WithEnv("ENV17", "VALUE17")25	req.WithEnv("ENV18", "VALUE18")26	req.WithEnv("ENV19", "VALUE19")27	req.WithEnv("ENV20", "VALUE20")28	req.WithEnv("ENV21", "VALUE21")29	req.WithEnv("ENV22", "VALUE22")30	req.WithEnv("ENV23", "VALUE23")31	req.WithEnv("ENV24", "VALUE24")32	req.WithEnv("ENV25", "VALUE25")33	req.WithEnv("ENV26

WithEnv

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"6379/tcp"},6		WaitingFor:   wait.ForLog("Ready to accept connections"),7		Env:          map[string]string{"REDIS_PASSWORD": "redis"},8	}9	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Fatal(err)13	}14	port, err := redis.MappedPort(ctx, "6379")15	if err != nil {16		log.Fatal(err)17	}18	fmt.Println("port: ", port.Int())19	host, err := redis.Host(ctx)20	if err != nil {21		log.Fatal(err)22	}23	fmt.Println("host: ", host)24	defer redis.Terminate(ctx)25	err = os.Setenv("REDIS_HOST", host)26	if err != nil {27		log.Fatal(err)28	}29	err = os.Setenv("REDIS_PORT", strconv.Itoa(port.Int()))30	if err != nil {31		log.Fatal(err)32	}33	fmt.Println("run the test")34}35import (36func main() {37	ctx := context.Background()38	req := testcontainers.ContainerRequest{39		ExposedPorts: []string{"6379/tcp"},40		WaitingFor:   wait.ForLog("Ready to accept connections"),41	}42	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{

WithEnv

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"6379/tcp"},5		WaitingFor:   wait.ForListeningPort("6379/tcp"),6	}7	ctx := context.Background()8	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer redis.Terminate(ctx)14	ip, err := redis.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := redis.MappedPort(ctx, "6379/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(ip)23	fmt.Println(port.Int())24}

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