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How to use parallelContainersRunner method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.parallelContainersRunner

parallel.go

Source:parallel.go

...22}23func (gpe ParallelContainersError) Error() string {24	return fmt.Sprintf("%v", gpe.Errors)25}26func parallelContainersRunner(27	ctx context.Context,28	requests <-chan GenericContainerRequest,29	errors chan<- ParallelContainersRequestError,30	containers chan<- Container,31	wg *sync.WaitGroup) {32	for req := range requests {33		c, err := GenericContainer(ctx, req)34		if err != nil {35			errors <- ParallelContainersRequestError{36				Request: req,37				Error:   err,38			}39			continue40		}41		containers <- c42	}43	wg.Done()44}45// ParallelContainers creates a generic containers with parameters and run it in parallel mode46func ParallelContainers(ctx context.Context, reqs ParallelContainerRequest, opt ParallelContainersOptions) ([]Container, error) {47	if opt.WorkersCount == 0 {48		opt.WorkersCount = defaultWorkersCount49	}50	tasksChanSize := opt.WorkersCount51	if tasksChanSize > len(reqs) {52		tasksChanSize = len(reqs)53	}54	tasksChan := make(chan GenericContainerRequest, tasksChanSize)55	errsChan := make(chan ParallelContainersRequestError)56	resChan := make(chan Container)57	waitRes := make(chan struct{})58	containers := make([]Container, 0)59	errors := make([]ParallelContainersRequestError, 0)60	wg := sync.WaitGroup{}61	wg.Add(tasksChanSize)62	// run workers63	for i := 0; i < tasksChanSize; i++ {64		go parallelContainersRunner(ctx, tasksChan, errsChan, resChan, &wg)65	}66	go func() {67		for {68			select {69			case c, ok := <-resChan:70				if !ok {71					resChan = nil72				} else {73					containers = append(containers, c)74				}75			case e, ok := <-errsChan:76				if !ok {77					errsChan = nil78				} else {...

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"5432/tcp"},6		WaitingFor:   wait.ForListeningPort("5432/tcp"),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}15import (16func main() {17	ctx := context.Background()18	req := testcontainers.ContainerRequest{19		ExposedPorts: []string{"5432/tcp"},20		WaitingFor:   wait.ForListeningPort("5432/tcp"),21	}22	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{23	})24	if err != nil {25		log.Fatal(err)26	}27	defer postgres.Terminate(ctx)28}29import (30func main() {31	ctx := context.Background()32	req := testcontainers.ContainerRequest{33		ExposedPorts: []string{"5432/tcp"},34		WaitingFor:   wait.ForListeningPort("5432/tcp"),35	}36	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{37	})38	if err != nil {39		log.Fatal(err)40	}41	defer postgres.Terminate(ctx)42}43import (

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req1 := testcontainers.ContainerRequest{5		Cmd:          []string{"sh", "-c", "echo 'Hello World'; sleep 300"},6		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("Hello World"),8	}9	req2 := testcontainers.ContainerRequest{10		Cmd:          []string{"sh", "-c", "echo 'Hello World'; sleep 300"},11		ExposedPorts: []string{"80/tcp"},12		WaitingFor:   wait.ForLog("Hello World"),13	}14	containers, err := testcontainers.ParallelContainerRequests(ctx, req1, req2)15	if err != nil {16		log.Fatal(err)17	}18	defer func() {19		for _, c := range containers {20			c.Terminate(ctx)21		}22	}()23	for _, c := range containers {24		ip, err := c.Host(ctx)25		if err != nil {26			log.Fatal(err)27		}28		mappedPort, err := c.MappedPort(ctx, "80")29		if err != nil {30			log.Fatal(err)31		}32		fmt.Println(ip, mappedPort.Int())33	}34	time.Sleep(5 * time.Second)35}

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{5		NetworkRequest: testcontainers.NetworkRequest{6		},7	})8	if err != nil {9		log.Fatalf("Could not create network: %s", err)10	}11	containers, err := testcontainers.ParallelContainerRun(ctx, []testcontainers.ContainerRequest{12		{13			ExposedPorts: []string{"5432/tcp"},14			WaitingFor:   wait.ForLog("database system is ready to accept connections"),15			Networks:     []string{network.GetNetworkID()},16			NetworkAliases: map[string][]string{17				network.GetNetworkID(): {"postgres"},18			},19			Env: map[string]string{20			},21			Cmd: []string{"postgres", "-c", "fsync=off"},22		},23		{24			ExposedPorts: []string{"6379/tcp"},25			WaitingFor:   wait.ForLog("Ready to accept connections"),26			Networks:     []string{network.GetNetworkID()},27			NetworkAliases: map[string][]string{28				network.GetNetworkID(): {"redis"},29			},30		},31	})32	if err != nil {33		log.Fatalf("Could not start containers: %s", err)34	}35	defer func() {36		for _, container := range containers {37			if err := container.Terminate(ctx); err != nil {38				log.Fatalf("Could not stop container: %s", err)39			}40		}41	}()42	postgresContainer, err := containers[0].Inspect(ctx)43	if err != nil {44		log.Fatalf("Could not inspect container: %s", err)45	}46	redisContainer, err := containers[1].Inspect(ctx)47	if err != nil {

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	numCPU := runtime.NumCPU()4	ctx := context.Background()5	waitStrategy := wait.ForListeningPort("8080")6	req := testcontainers.ContainerRequest{7		ExposedPorts: []string{"8080/tcp"},8	}9	ids := make(chan string)10	errors := make(chan error)11	responses := make(chan string)12	names := make(chan string)13	ips := make(chan string)14	ports := make(chan string)15	hostPorts := make(chan string)16	hostIPs := make(chan string)17	hostBindings := make(chan string)18	networks := make(chan string)19	aliases := make(chan string)20	gateways := make(chan string)21	subnets := make(chan string)22	ipRanges := make(chan string)23	drivers := make(chan string)24	options := make(chan string)25	internal := make(chan bool)

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{5		NetworkRequest: testcontainers.NetworkRequest{6		},7	})8	if err != nil {9		log.Fatal(err)10	}11	req1 := testcontainers.ContainerRequest{12		ExposedPorts: []string{"6379/tcp"},13		WaitingFor:   wait.ForListeningPort("6379/tcp"),14		Networks:     []string{network.Name()},15	}16	req2 := testcontainers.ContainerRequest{17		ExposedPorts: []string{"5432/tcp"},18		WaitingFor:   wait.ForListeningPort("5432/tcp"),19		Networks:     []string{network.Name()},20	}21	res, err := testcontainers.Parallel().Run(ctx, req1, req2)22	if err != nil {23		log.Fatal(err)24	}25	redisContainer, _ := res.Container(req1)26	postgresContainer, _ := res.Container(req2)27	redisIP, _ := redisContainer.Host(ctx)28	postgresIP, _ := postgresContainer.Host(ctx)29	redisPort, _ := redisContainer.MappedPort(ctx, "6379/tcp")30	postgresPort, _ := postgresContainer.MappedPort(ctx, "5432/tcp")31	fmt.Printf("Redis IP: %s, Port: %s32", redisIP, redisPort.Port())33	fmt.Printf("Postgres IP: %s, Port: %s34", postgresIP, postgresPort.Port())35	if err := res.Stop(ctx); err != nil {36		log.Fatal(err)37	}38	if err := res.Terminate(ctx);

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		Cmd:          []string{"sleep", "5m"},5		ExposedPorts: []string{"80/tcp"},6		WaitingFor:   wait.ForListeningPort("80/tcp"),7	}8	ctx := testcontainers.NewLocalDockerProvider().Context()9	containers, err := testcontainers.ParallelRun(ctx, req, 5)10	if err != nil {11		log.Fatal(err)12	}13	for _, container := range containers {14		defer container.Terminate(ctx)15	}16	ip, err := containers[0].Host(ctx)17	if err != nil {18		log.Fatal(err)19	}20	port, err := containers[0].MappedPort(ctx, "80/tcp")21	if err != nil {22		log.Fatal(err)23	}24	fmt.Println("IP Address: ", ip)25	fmt.Println("Port: ", port.Int())26}

parallelContainersRunner

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		Cmd:          []string{"echo", "Hello world!"},6		WaitingFor:   wait.ForLog("Hello world!"),7	}8	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer c.Terminate(ctx)14	log.Println(c.GetContainerID())15}16import (17func main() {18	ctx := context.Background()19	req := testcontainers.ContainerRequest{20		Cmd:          []string{"echo", "Hello world!"},21		WaitingFor:   wait.ForLog("Hello world!"),22	}23	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{24	})25	if err != nil {26		log.Fatal(err)27	}28	defer c.Terminate(ctx)29	log.Println(c.GetContainerID())30}31import (32func main() {33	ctx := context.Background()34	req := testcontainers.ContainerRequest{35		Cmd:          []string{"echo", "Hello world!"},36		WaitingFor:   wait.ForLog("Hello world!"),37	}38	c, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{

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