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How to use NewReaper method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.NewReaper

reaper_test.go

Source:reaper_test.go

...41		return req42	}43	return customize(req)44}45func Test_NewReaper(t *testing.T) {46	type cases struct {47		name   string48		req    ContainerRequest49		config TestContainersConfig50		ctx    context.Context51	}52	tests := []cases{53		{54			name:   "non-privileged",55			req:    createContainerRequest(nil),56			config: TestContainersConfig{},57		},58		{59			name: "privileged",60			req: createContainerRequest(func(req ContainerRequest) ContainerRequest {61				req.Privileged = true62				return req63			}),64			config: TestContainersConfig{65				RyukPrivileged: true,66			},67		},68		{69			name: "docker-host in context",70			req: createContainerRequest(func(req ContainerRequest) ContainerRequest {71				req.Mounts = Mounts(BindMount("/value/in/context.sock", "/var/run/docker.sock"))72				return req73			}),74			config: TestContainersConfig{},75			ctx:    context.WithValue(context.TODO(), dockerHostContextKey, "unix:///value/in/context.sock"),76		},77	}78	for _, test := range tests {79		t.Run(test.name, func(t *testing.T) {80			// make sure we re-initialize the singleton81			reaper = nil82			provider := &mockReaperProvider{83				config: test.config,84			}85			if test.ctx == nil {86				test.ctx = context.TODO()87			}88			_, err := NewReaper(test.ctx, "sessionId", provider, "reaperImage")89			// we should have errored out see mockReaperProvider.RunContainer90			assert.EqualError(t, err, "expected")91			assert.Equal(t, test.req, provider.req, "expected ContainerRequest doesn't match the submitted request")92		})93	}94}95func Test_ExtractDockerHost(t *testing.T) {96	t.Run("Docker Host as environment variable", func(t *testing.T) {97		t.Setenv("TESTCONTAINERS_DOCKER_SOCKET_OVERRIDE", "/path/to/docker.sock")98		host := extractDockerHost(context.Background())99		assert.Equal(t, "/path/to/docker.sock", host)100	})101	t.Run("Default Docker Host", func(t *testing.T) {102		host := extractDockerHost(context.Background())...

reaper.go

Source:reaper.go

...31	Provider  ReaperProvider32	SessionID string33	Endpoint  string34}35// NewReaper creates a Reaper with a sessionID to identify containers and a provider to use36func NewReaper(ctx context.Context, sessionID string, provider ReaperProvider, reaperImageName string) (*Reaper, error) {37	mutex.Lock()38	defer mutex.Unlock()39	// If reaper already exists re-use it40	if reaper != nil {41		return reaper, nil42	}43	// Otherwise create a new one44	reaper = &Reaper{45		Provider:  provider,46		SessionID: sessionID,47	}48	listeningPort := nat.Port("8080/tcp")49	req := ContainerRequest{50		Image:        reaperImage(reaperImageName),...

NewReaper

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"sleep", "1h"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForListeningPort("80/tcp"),8	}9	provider, err := testcontainers.NewDockerProvider()10	if err != nil {11		log.Fatalf("Could not create docker provider: %s", err)12	}13	reaper, err := testcontainers.NewReaper(provider)14	if err != nil {15		log.Fatalf("Could not create container reaper: %s", err)16	}17	reaper.Start(ctx)18	defer reaper.Stop(ctx)19	c, err := testcontainers.GenericContainer(ctx, provider, req)20	if err != nil {21		log.Fatalf("Could not start container: %s", err)22	}23	defer c.Terminate(ctx)24	ip, err := c.Host(ctx)25	if err != nil {26		log.Fatalf("Could not get host IP: %s", err)27	}28	port, err := c.MappedPort(ctx, "80")29	if err != nil {30		log.Fatalf("Could not get mapped port: %s", err)31	}32	log.Printf("Container is listening on %s:%s", ip, port.Port())33	time.Sleep(10 * time.Minute)34}35import (36func main() {37	ctx := context.Background()38	req := testcontainers.ContainerRequest{39		Cmd:          []string{"sleep", "1h"},40		ExposedPorts: []string{"80/tcp"},41		WaitingFor:   wait.ForListeningPort("80/tcp"),42	}43	provider, err := testcontainers.NewDockerProvider()44	if err != nil {45		log.Fatalf("Could not create docker provider: %s", err)46	}47	reaper, err := testcontainers.NewReaper(provider)

NewReaper

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   wait.ForLog("database system is ready to accept connections"),7	}8	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer postgres.Terminate(ctx)14	ip, err := postgres.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := postgres.MappedPort(ctx, "5432")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("host=%s port=%s", ip, port.Port())23}24import (25func main() {26	ctx := context.Background()27	req := testcontainers.ContainerRequest{28		ExposedPorts: []string{"5432/tcp"},29		WaitingFor:   wait.ForLog("database system is ready to accept connections"),30	}31	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{32	})33	if err != nil {34		log.Fatal(err)35	}36	defer postgres.Terminate(ctx)37	ip, err := postgres.Host(ctx)38	if err != nil {39		log.Fatal(err)40	}41	port, err := postgres.MappedPort(ctx, "5432")42	if err != nil {43		log.Fatal(err)44	}45	fmt.Printf("host=%s port=%s", ip, port.Port())46}47import (48func main() {49	ctx := context.Background()

NewReaper

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   testcontainers.WaitingForLog("database system is ready to accept connections"),7	}8	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer postgres.Terminate(ctx)14	ip, err := postgres.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	mappedPort, err := postgres.MappedPort(ctx, "5432")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("Container IP: %s23	fmt.Printf("Container Port: %s24", mappedPort.Port())25	time.Sleep(10 * time.Second)26}

NewReaper

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	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatalf("Could not start resource: %s", err)12	}13	defer redis.Terminate(ctx)14}15import (16func main() {17	ctx := context.Background()18	req := testcontainers.ContainerRequest{19		ExposedPorts: []string{"6379/tcp"},20		WaitingFor:   wait.ForListeningPort("6379/tcp"),21	}22	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{23	})24	if err != nil {25		log.Fatalf("Could not start resource: %s", err)26	}27	defer redis.Terminate(ctx)28}29import (30func main() {31	ctx := context.Background()32	req := testcontainers.ContainerRequest{33		ExposedPorts: []string{"6379/tcp"},34		WaitingFor:   wait.ForListeningPort("6379/tcp"),35	}36	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{37	})38	if err != nil {39		log.Fatalf("Could not start resource: %s

NewReaper

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	port, err := redisContainer.MappedPort(ctx, "6379")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("Redis is available at %s:%s23", ip, port.Port())24}

NewReaper

Using AI Code Generation

1func main() {2    ctx := context.Background()3    req := testcontainers.ContainerRequest{4        ExposedPorts: []string{"6379/tcp"},5    }6    redis, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{7    })8    defer redis.Terminate(ctx)9    ip, _ := redis.Host(ctx)10    port, _ := redis.MappedPort(ctx, "6379")11    fmt.Printf("redis available on %s:%s", ip, port.Port())12}13func main() {14    ctx := context.Background()15    req := testcontainers.ContainerRequest{16        ExposedPorts: []string{"6379/tcp"},17    }18    redis, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{19    })20    defer redis.Terminate(ctx)21    ip, _ := redis.Host(ctx)22    port, _ := redis.MappedPort(ctx, "6379")23    fmt.Printf("redis available on %s:%s", ip, port.Port())24}25func main() {26    ctx := context.Background()27    req := testcontainers.ContainerRequest{28        ExposedPorts: []string{"6379/tcp"},29    }30    redis, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{31    })32    defer redis.Terminate(ctx)33    ip, _ := redis.Host(ctx)34    port, _ := redis.MappedPort(ctx, "6379")35    fmt.Printf("redis available on %s:%s", ip, port.Port())36}37func main() {38    ctx := context.Background()39    req := testcontainers.ContainerRequest{40        ExposedPorts: []string{"6379/tcp"},41    }

NewReaper

Using AI Code Generation

1func main() {2    ctx := context.Background()3    req := testcontainers.ContainerRequest{4        Cmd:          []string{"echo", "Hello world!"},5    }6    reaper, err := testcontainers.NewReaper(ctx)7    if err != nil {8        log.Fatal(err)9    }10    defer reaper.Stop(ctx)11    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{12    })13    if err != nil {14        log.Fatal(err)15    }16    ip, err := container.Host(ctx)17    if err != nil {18        log.Fatal(err)19    }20    port, err := container.MappedPort(ctx, "80/tcp")21    if err != nil {22        log.Fatal(err)23    }24    fmt.Printf("Container %s is listening on IP %s on port %s", container.GetContainerID(), ip, port.Port())25}26require (

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