How to use which method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.which

main_test.go

Source:main_test.go

...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}...

tools_test.go

Source:tools_test.go

...47		if exitCode, err := container.Exec(ctx, []string{"devcore", "tools", "install", tool.Name}); err != nil {48			t.Errorf("Error installing %s: %s", tool.Name, err)49		} else if exitCode != 0 {50			t.Errorf("Installing %s returned %d", tool.Name, exitCode)51		} else if whichExitCode, err := container.Exec(ctx, []string{"which", tool.CommandLineName}); err != nil {52			t.Errorf("Error executing which for tool %s", tool.Name)53		} else if whichExitCode != 0 {54			t.Errorf("%s is not installed", tool.Name)55		}56	}57}...

containers.go

Source:containers.go

...5	"github.com/docker/go-connections/nat"6	"github.com/testcontainers/testcontainers-go"7)8// ContainerRequest simplifies the params given to CreateTestContainer, supplying its input requirement to generate9// the desired container and an easy way to request which port was effectively mapped.10type ContainerRequest struct {11	Request   testcontainers.ContainerRequest12	PortToMap string13}14// TestContainer combines the requested container return and the effectively mapped port.15type TestContainer struct {16	Container  testcontainers.Container17	MappedPort nat.Port18}19// CreateTestContainer is used to create docker containers that are to be used only for functional tests. Always remember to set its related Envs and terminate with a defer20func CreateTestContainer(ctx context.Context, t *testing.T, containerRequest ContainerRequest) (testContainer TestContainer) {21	container, err := startContainer(ctx, containerRequest.Request)22	if err != nil {23		t.Fatalf("[ helper ] failed to start container: %v\n", err)...

which

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	ip, err := redisContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	mappedPort, err := redisContainer.MappedPort(ctx, "6379")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("Redis is available at %s:%s", ip, mappedPort.Port())23}

which

Using AI Code Generation

1func main() {2    ctx := context.Background()3    req := testcontainers.ContainerRequest{4        Cmd:          []string{"echo", "hello world"},5        WaitingFor:   wait.ForLog("hello world"),6    }7    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{8    })9    if err != nil {10        panic(err)11    }12    defer container.Terminate(ctx)13    ip, err := container.Host(ctx)14    if err != nil {15        panic(err)16    }17    port, err := container.MappedPort(ctx, "80")18    if err != nil {19        panic(err)20    }21    fmt.Printf("Container %s is listening on %s:%s", container.ContainerID, ip, port.Port())22}23func main() {24    ctx := context.Background()25    req := testcontainers.ContainerRequest{26        Cmd:          []string{"echo", "hello world"},27        WaitingFor:   wait.ForLog("hello world"),28    }29    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{30    })31    if err != nil {32        panic(err)33    }34    defer container.Terminate(ctx)35    ip, err := container.Host(ctx)36    if err != nil {37        panic(err)38    }39    port, err := container.MappedPort(ctx, "80")40    if err != nil {41        panic(err)42    }43    fmt.Printf("Container %s is listening on %s:%s", container.ContainerID, ip, port.Port())44}

which

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"80/tcp"},6		WaitingFor: wait.ForHTTP("/").WithPort("80/tcp"),7	}8	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	ip, err := container.Host(ctx)14	if err != nil {15		log.Fatal(err)16	}17	port, err := container.MappedPort(ctx, "80")18	if err != nil {19		log.Fatal(err)20	}21	client := http.Client{22	}23	if err != nil {24		log.Fatal(err)25	}26	fmt.Println(resp.Status)27	err = container.Terminate(ctx)28	if err != nil {29		log.Fatal(err)30	}31}

which

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	defer ctx.Done()5	req := testcontainers.ContainerRequest{6		ExposedPorts: []string{"8091/tcp"},7		WaitingFor:   wait.ForHTTP("/ui/index.html").WithStartupTimeout(20 * time.Second),8	}9	couchbaseContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		panic(err)13	}14	ip, err := couchbaseContainer.Host(ctx)15	if err != nil {16		panic(err)17	}18	port, err := couchbaseContainer.MappedPort(ctx, "8091/tcp")19	if err != nil {20		panic(err)21	}22	logs, err := couchbaseContainer.Logs(ctx)23	if err != nil {24		panic(err)25	}26	fmt.Println(logs)27	if err := couchbaseContainer.Terminate(ctx); err != nil {28		panic(err)29	}30}31import (32func main() {33	ctx := context.Background()34	defer ctx.Done()35	req := testcontainers.ContainerRequest{36		ExposedPorts: []string{"8091/tcp"},37		WaitingFor:   wait.ForHTTP("/ui/index.html").WithStartupTimeout(20 * time.Second),38	}39	couchbaseContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{40	})41	if err != nil {42		panic(err)43	}44	ip, err := couchbaseContainer.Host(ctx)

which

Using AI Code Generation

1func TestMain(m *testing.M) {2	flag.Parse()3	if *useDocker {4		testcontainers.StartContainer()5	} else {6		testcontainers.StartContainer()7	}8	code := m.Run()9	testcontainers.StopContainer()10	os.Exit(code)11}12import (13func StartContainer() {14	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())15	if err != nil {16		panic(err)17	}18	ctx := context.Background()19	out, err := cli.ImagePull(ctx, "docker.elastic.co/elasticsearch/elasticsearch:7.1.1", types.ImagePullOptions{})20	if err != nil {21		panic(err)22	}23	defer out.Close()24	resp, err := cli.ContainerCreate(ctx, &container.Config{25		Env:   []string{"discovery.type=single-node"},26		ExposedPorts: map[nat.Port]struct{}{27			"9200/tcp": {},28		},29	}, &container.HostConfig{30		PortBindings: nat.PortMap{31			"9200/tcp": []nat.PortBinding{32				{33				},34			},35		},36	}, nil, "")37	if err != nil {38		panic(err)39	}40	if err := cli.ContainerStart(ctx, resp.ID, types.ContainerStartOptions{}); err != nil {41		panic(err)42	}43	if err := waitForContainer(ctx, cli, resp.ID); err != nil {44		panic(err)45	}46	fmt.Println(resp.ID)47}48func StopContainer() {49	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())

which

Using AI Code Generation

1func TestMain(m *testing.M) {2	flag.Parse()3	os.Exit(testcontainers.RunContainer(m, "postgres:9.6.5-alpine"))4}5func TestMain(m *testing.M) {6	flag.Parse()7	os.Exit(testcontainers.RunContainer(m, "redis:latest"))8}9func TestMain(m *testing.M) {10	flag.Parse()11	os.Exit(testcontainers.RunContainer(m, "mongo:latest"))12}13func TestMain(m *testing.M) {14	flag.Parse()15	os.Exit(testcontainers.RunContainer(m, "rabbitmq:3.7.8-alpine"))16}17func TestMain(m *testing.M) {18	flag.Parse()19	os.Exit(testcontainers.RunContainer(m, "mysql:latest"))20}21func TestMain(m *testing.M) {22	flag.Parse()23	os.Exit(testcontainers.RunContainer(m, "couchbase:latest"))24}25func TestMain(m *testing.M) {26	flag.Parse()27	os.Exit(testcontainers.RunContainer(m, "cassandra:latest"))28}29func TestMain(m *testing.M) {30	flag.Parse()31	os.Exit(testcontainers.RunContainer(m, "neo4j:latest"))32}33func TestMain(m *testing.M) {34	flag.Parse()35	os.Exit(testcontainers.RunContainer(m, "elasticsearch:latest"))36}37func TestMain(m *testing.M) {38	flag.Parse()39	os.Exit(testcontainers.RunContainer(m, "kafka:latest"))40}41func TestMain(m *testing.M) {42	flag.Parse()43	os.Exit(testcontainers.RunContainer(m, "zookeeper:latest"))44}

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