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How to use Write method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Write

testing_kafka_cluster.go

Source:testing_kafka_cluster.go

...59	if err != nil {60		return err61	}62	defer os.Remove(probeScript.Name())63	probeScript.WriteString("#!/bin/bash \n")64	probeScript.WriteString(fmt.Sprintf("id=$(zookeeper-shell localhost:%s ls /brokers/ids | grep \"\\[%s\") \n", ZOOKEEPER_PORT, KAFKA_BROKER_ID))65	probeScript.WriteString(fmt.Sprintf("if [ $id = \"[%s]\" ]; then exit 0; else exit 1; fi", KAFKA_BROKER_ID))66	return kc.zookeeperContainer.CopyFileToContainer(context.Background(), probeScript.Name(), "probe.sh", 0700)67}68func (kc *TestingKafkaCluster) startKafka() error {69	ctx := context.Background()70	kafkaStartFile, err := ioutil.TempFile("", "testcontainers_start.sh")71	if err != nil {72		return err73	}74	defer os.Remove(kafkaStartFile.Name())75	exposedHost, err := kc.GetKafkaHost()76	if err != nil {77		return err78	}79	kafkaStartFile.WriteString("#!/bin/bash \n")80	kafkaStartFile.WriteString(fmt.Sprintf("export KAFKA_ADVERTISED_LISTENERS='PLAINTEXT://%s,BROKER://kafka:%s'\n", exposedHost, KAFKA_BROKER_PORT))81	kafkaStartFile.WriteString(". /etc/confluent/docker/bash-config \n")82	kafkaStartFile.WriteString("/etc/confluent/docker/configure \n")83	kafkaStartFile.WriteString("/etc/confluent/docker/launch \n")84	return kc.kafkaContainer.CopyFileToContainer(ctx, kafkaStartFile.Name(), "testcontainers_start.sh", 0700)85}86func NewTestingKafkaCluster() (*TestingKafkaCluster, error) {87	ctx := context.Background()88	network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{89		NetworkRequest: testcontainers.NetworkRequest{Name: CLUSTER_NETWORK_NAME},90	})91	if err != nil {92		return nil, err93	}94	dockerNetwork := network.(*testcontainers.DockerNetwork)95	zookeeperContainer, err := createZookeeperContainer(dockerNetwork)96	if err != nil {97		return nil, err...

jdbc_test.go

Source:jdbc_test.go

...79		t.Fatalf("can't create table, check command and access level")80	}81	return container, mappedPort.Int()82}83// TestJDBCIO_BasicReadWrite tests basic read and write transform from JDBC.84func TestJDBCIO_BasicReadWrite(t *testing.T) {85	integration.CheckFilters(t)86	checkFlags(t)87	ctx := context.Background()88	dbname := "postjdbc"89	username := "newuser"90	password := "password"91	cont, port := setupTestContainer(t, ctx, dbname, username, password)92	defer cont.Terminate(ctx)93	tableName := "roles"94	host := "localhost"95	jdbcUrl := fmt.Sprintf("jdbc:postgresql://%s:%d/%s", host, port, dbname)96	write := WritePipeline(expansionAddr, tableName, "org.postgresql.Driver", jdbcUrl, username, password)97	ptest.RunAndValidate(t, write)98	read := ReadPipeline(expansionAddr, tableName, "org.postgresql.Driver", jdbcUrl, username, password)99	ptest.RunAndValidate(t, read)100}101// TestJDBCIO_PostgresReadWrite tests basic read and write transform from JDBC with postgres.102func TestJDBCIO_PostgresReadWrite(t *testing.T) {103	integration.CheckFilters(t)104	checkFlags(t)105	dbname := "postjdbc"106	username := "newuser"107	password := "password"108	ctx := context.Background()109	cont, port := setupTestContainer(t, ctx, dbname, username, password)110	defer cont.Terminate(ctx)111	tableName := "roles"112	host := "localhost"113	jdbcUrl := fmt.Sprintf("jdbc:postgresql://%s:%d/%s", host, port, dbname)114	write := WriteToPostgres(expansionAddr, tableName, jdbcUrl, username, password)115	ptest.RunAndValidate(t, write)116	read := ReadFromPostgres(expansionAddr, tableName, jdbcUrl, username, password)117	ptest.RunAndValidate(t, read)118}119func TestMain(m *testing.M) {120	flag.Parse()121	beam.Init()122	services := integration.NewExpansionServices()123	defer func() { services.Shutdown() }()124	addr, err := services.GetAddr("schemaio")125	if err != nil {126		log.Printf("skipping missing expansion service: %v", err)127	} else {128		expansionAddr = addr...

kafkacluster.go

Source:kafkacluster.go

...44	}45	defer os.Remove(kafkaStartFile.Name())46	// needs to set KAFKA_ADVERTISED_LISTENERS with the exposed kafka port47	exposedHost := kc.GetKafkaHost()48	kafkaStartFile.WriteString("#!/bin/bash \n")49	kafkaStartFile.WriteString("export KAFKA_ADVERTISED_LISTENERS='PLAINTEXT://" + exposedHost + ",BROKER://kafka:" + KAFKA_BROKER_PORT + "'\n")50	kafkaStartFile.WriteString(". /etc/confluent/docker/bash-config \n")51	kafkaStartFile.WriteString("/etc/confluent/docker/configure \n")52	kafkaStartFile.WriteString("/etc/confluent/docker/launch \n")53	err = kc.kafkaContainer.CopyFileToContainer(ctx, kafkaStartFile.Name(), "testcontainers_start.sh", 0700)54	if err != nil {55		panic(err)56	}57}58func NewKafkaCluster() *KafkaCluster {59	ctx := context.Background()60	// creates a network, so kafka and zookeeper can communicate directly61	network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{62		NetworkRequest: testcontainers.NetworkRequest{Name: CLUSTER_NETWORK_NAME},63	})64	if err != nil {65		panic(err)66	}...

Write

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		panic(err)12	}13	defer redis.Terminate(ctx)14	ip, err := redis.Host(ctx)15	if err != nil {16		panic(err)17	}18	mappedPort, err := redis.MappedPort(ctx, "6379/tcp")19	if err != nil {20		panic(err)21	}22	fmt.Println("Container IP: ", ip)23	fmt.Println("Container Port: ", mappedPort.Int())24}

Write

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    req := testcontainers.ContainerRequest{5        Cmd:          []string{"sleep", "3600"},6        WaitingFor:   wait.ForLog("ready"),7        ExposedPorts: []string{"8080/tcp"},8        BindMounts:   map[string]string{"/tmp": "/tmp"},9    }10    testContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{11    })12    if err != nil {13        log.Fatalln(err)14    }15    id, err := testContainer.ContainerID(ctx)16    if err != nil {17        log.Fatalln(err)18    }19    fmt.Println(id)20    host, err := testContainer.Host(ctx)21    if err != nil {22        log.Fatalln(err)23    }24    fmt.Println(host)25    port, err := testContainer.MappedPort(ctx, "8080")26    if err != nil {27        log.Fatalln(err)28    }29    fmt.Println(port.Int())30    dir, err := testContainer.MountPath(ctx, "/tmp")31    if err != nil {32        log.Fatalln(err)33    }34    fmt.Println(dir)35    info, err := testContainer.Inspect(ctx)36    if err != nil {37        log.Fatalln(err)38    }39    fmt.Println(info.State.Status)40    err = testContainer.Terminate(ctx)41    if err != nil {42        log.Fatalln(err)43    }44    err = testContainer.Remove(ctx)45    if err != nil {46        log.Fatalln(err)47    }48    logReader, err := testContainer.Logs(ctx)49    if err != nil {50        log.Fatalln(err)51    }52    _, err = io.Copy(os.Stdout, logReader)53    if err != nil {54        log.Fatalln(err

Write

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	postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	ip, err := postgresContainer.Host(ctx)14	if err != nil {15		log.Fatal(err)16	}17	mappedPort, err := postgresContainer.MappedPort(ctx, "5432/tcp")18	if err != nil {19		log.Fatal(err)20	}21	fmt.Println(ip)22	fmt.Println(mappedPort.Int())23	time.Sleep(10 * time.Second)24}

Write

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/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("Host: %s, Port: %s", ip, mappedPort.Port())23	dockerClient, err := client.NewClientWithOpts(client.FromEnv)24	if err != nil {25		panic(err)26	}27	redisPort, err := redisContainer.MappedPort(ctx, "6379/tcp")28	if err != nil {29		panic(err)30	}31	redisHost, err := redisContainer.Host(ctx)32	if err != nil {33		panic(err)34	}35	redisHostPort := fmt.Sprintf("%s:%s", redisHost, redisPort.Port())36	dockerClient, err := client.NewClientWithOpts(client.FromEnv)37	if err != nil {38		panic(err)39	}40	redisPort, err := redisContainer.MappedPort(ctx, "6379/tcp")41	if err != nil {42		panic(err)43	}44	redisHost, err := redisContainer.Host(ctx)45	if err != nil {46		panic(err)47	}48	redisHostPort := fmt.Sprintf("%s:%s", redisHost, redisPort.Port())49	redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{50	})51	if err != nil {52		log.Fatal(err)53	}54	defer redisContainer.Terminate(ctx)

Write

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    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    if err != nil {11        panic(err)12    }13    defer container.Terminate(ctx)14    fmt.Println("Hello world!")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    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{24    })25    if err != nil {26        panic(err)27    }28    defer container.Terminate(ctx)29    err = container.Start(ctx)30    if err != nil {31        panic(err)32    }33    fmt.Println("Hello world!")34}35import (36func main() {37    ctx := context.Background()38    req := testcontainers.ContainerRequest{39        Cmd:          []string{"echo", "Hello world!"},40        WaitingFor:   wait.ForLog("Hello world!"),41    }42    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{43    })44    if err != nil {45        panic(err)46    }47    defer container.Terminate(ctx)48    err = container.Stop(ctx)49    if err != nil {50        panic(err)51    }52    fmt.Println("Hello world!")53}

Write

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    req := testcontainers.ContainerRequest{5        Cmd:          []string{"tail", "-f", "/dev/null"},6        WaitingFor:   wait.ForLog("ready"),7    }8    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    if err != nil {11        log.Fatal(err)12    }13    defer container.Terminate(ctx)14    ip, err := container.Host(ctx)15    if err != nil {16        log.Fatal(err)17    }18    fmt.Println(ip)19    port, err := container.MappedPort(ctx, "80")20    if err != nil {21        log.Fatal(err)22    }23    fmt.Println(port.Int())24    fmt.Println(port.Port())25    fmt.Println(port.Proto())26    fmt.Println(port)27    fmt.Println(port.String())28    if err := container.Exec(ctx, []string{"sh", "-c", fmt.Sprintf("echo %s > %s", content, file)}).Error; err != nil {29        log.Fatal(err)30    }31    f, err := os.Open(file)32    if err != nil {33        log.Fatal(err)34    }35    defer f.Close()36    b, err := ioutil.ReadAll(f)37    if err != nil {38        log.Fatal(err)39    }40    fmt.Println(string(b))41}

Write

Using AI Code Generation

1import (2func main() {3    data := []byte("Hello World")4    err := ioutil.WriteFile("test.txt", data, 0644)5    if err != nil {6        log.Fatal(err)7    }8    fmt.Println("File created successfully. Check your directory")9}10import (11func main() {12    data, err := ioutil.ReadFile("test.txt")13    if err != nil {14        log.Fatal(err)15    }16    fmt.Println(string(data))17}18import (19func main() {20    data := []byte("Hello World")21    err := ioutil.WriteFile("test.txt", data, 0644)22    if err != nil {23        log.Fatal(err)24    }25    fmt.Println("File created successfully. Check your directory")26    data1 := []byte("Hello World")27    err = ioutil.WriteFile("test.txt", data1, 0644)28    if err != nil {29        log.Fatal(err)30    }31    fmt.Println("File appended successfully. Check your directory")32}33import (34func main() {35    data := []byte("Hello World")36    err := ioutil.WriteFile("test.txt", data, 0644)37    if err != nil {38        log.Fatal(err)39    }40    fmt.Println("File created successfully. Check your directory")41    err = ioutil.WriteFile("test.txt", nil, 0644)42    if err != nil {43        log.Fatal(err)44    }45    fmt.Println("File deleted successfully. Check your directory")46}47import (48func main() {

Write

Using AI Code Generation

1import (2func main() {3	var file, err = os.OpenFile("test.txt", os.O_RDWR, 0644)4	if isError(err) {5	}6	defer file.Close()7	_, err = file.WriteString("This is line 1\n")8	if isError(err) {9	}10	_, err = file.WriteString("This is line 2\n")11	if isError(err) {12	}13	_, err = file.WriteString("This is line 3\n")14	if isError(err) {15	}16	err = file.Sync()17	if isError(err) {18	}19	_, err = file.Seek(0, 0)20	if isError(err) {21	}22	var text = make([]byte, 1024)23	for {24		n, err := file.Read(text)25		if err != nil {26		}27		fmt.Println(string(text[:n]))28	}29}30func isError(err error) bool {31	if err != nil {32		fmt.Println(err.Error())33	}34	return (err != nil)35}36import (37func main() {38	var file, err = os.OpenFile("test.txt", os.O_RDWR, 0644)39	if isError(err) {40	}41	defer file.Close()42	var text = make([]byte, 1024)43	for {44		n, err := file.Read(text)45		if err != nil {46		}47		fmt.Println(string(text[:n]))48	}49	_, err = file.Seek(0, 0)50	if isError(err) {51	}52	var textByLine = make([]byte,

Write

Using AI Code Generation

1func main() {2    err := testcontainers.Write("/tmp/testcontainers.txt", "testcontainers")3    if err != nil {4        log.Fatal(err)5    }6}7func main() {8    content, err := testcontainers.Read("/tmp/testcontainers.txt")9    if err != nil {10        log.Fatal(err)11    }12    fmt.Println(content)13}14func main() {15    exists, err := testcontainers.Exists("/tmp/testcontainers.txt")16    if err != nil {17        log.Fatal(err)18    }19    if exists {20        fmt.Println("file exists")21    } else {22        fmt.Println("file does not exist")23    }24}25func main() {26    err := testcontainers.Delete("/tmp/testcontainers.txt")27    if err != nil {28        log.Fatal(err)29    }30}31func main() {32    err := testcontainers.Copy("/tmp/testcontainers.txt", "/tmp/testcontainers-copy.txt")33    if err != nil {34        log.Fatal(err)35    }36}37func main() {38    err := testcontainers.Move("/tmp/testcontainers-copy.txt", "/tmp/test

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