How to use Validate method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Validate

containers_test.go

Source:containers_test.go

...109	if v := filesToUpdate(hcc, nil); !reflect.DeepEqual(expected, v) {110		t.Fatalf("Expected %v, got %v", expected, hcc)111	}112}113// Validate() tests.114func TestValidateEmpty(t *testing.T) {115	t.Parallel()116	cc := &Containers{}117	if err := cc.Validate(); err == nil {118		t.Fatalf("Empty containers object shouldn't be valid")119	}120}121func TestValidateNil(t *testing.T) {122	t.Parallel()123	var cc Containers124	if err := cc.Validate(); err == nil {125		t.Fatalf("Nil containers object shouldn't be valid")126	}127}128func TestValidateNoContainers(t *testing.T) {129	t.Parallel()130	cc := &Containers{131		DesiredState:  ContainersState{},132		PreviousState: ContainersState{},133	}134	if err := cc.Validate(); err == nil {135		t.Fatalf("Containers object without any containers shouldn't be valid")136	}137}138func TestValidateBadDesiredContainers(t *testing.T) {139	t.Parallel()140	containersConfig := &Containers{141		DesiredState: ContainersState{142			testContainerName: &HostConfiguredContainer{},143		},144		PreviousState: ContainersState{},145	}146	if err := containersConfig.Validate(); err == nil {147		t.Fatalf("Containers object with bad desired container shouldn't be valid")148	}149}150func TestValidateBadCurrentContainers(t *testing.T) {151	t.Parallel()152	containersConfig := &Containers{153		DesiredState: ContainersState{},154		PreviousState: ContainersState{155			testContainerName: &HostConfiguredContainer{},156		},157	}158	if err := containersConfig.Validate(); err == nil {159		t.Fatalf("Containers object with bad current container shouldn't be valid")160	}161}162// isUpdatable() tests.163func TestIsUpdatableWithoutCurrentState(t *testing.T) {164	t.Parallel()165	testContainers := &containers{166		desiredState: containersState{167			testContainerName: &hostConfiguredContainer{},168		},169	}170	if err := testContainers.isUpdatable(testContainerName); err == nil {171		t.Fatalf("Container without current state shouldn't be updatable.")172	}...

jdbc_test.go

Source:jdbc_test.go

...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 = addr129	}130	ptest.MainRet(m)131}...

Validate

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/tcp")19    if err != nil {20        log.Fatal(err)21    }22    fmt.Printf("Redis is available at %s:%s", ip, port.Port())23}

Validate

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	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		panic(err)12	}13	ip, err := container.Host(ctx)14	if err != nil {15		panic(err)16	}17	port, err := container.MappedPort(ctx, "5432")18	if err != nil {19		panic(err)20	}21	fmt.Printf("host=%s, port=%s", ip, port.Port())22}23import (24func main() {25	ctx := context.Background()26	req := testcontainers.ContainerRequest{27		ExposedPorts: []string{"5432/tcp"},28		WaitingFor:   wait.ForListeningPort("5432/tcp"),29	}30	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{31	})32	if err != nil {33		panic(err)34	}35	ip, err := container.Host(ctx)36	if err != nil {37		panic(err)38	}39	port, err := container.MappedPort(ctx, "5432")40	if err != nil {41		panic(err)42	}43	fmt.Printf("host=%s, port=%s", ip, port.Port())44}45import (46func main() {47	ctx := context.Background()48	req := testcontainers.ContainerRequest{49		ExposedPorts: []string{"5432/tcp"},

Validate

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"9200/tcp", "9300/tcp"},6		WaitingFor:   wait.ForListeningPort("9200/tcp"),7	}8	elasticContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatalf("Could not start container: %v", err)12	}13	defer elasticContainer.Terminate(ctx)14	host, err := elasticContainer.Host(ctx)15	if err != nil {16		log.Fatalf("Could not get host: %v", err)17	}18	port, err := elasticContainer.MappedPort(ctx, "9200/tcp")19	if err != nil {20		log.Fatalf("Could not get port: %v", err)21	}22	fmt.Println(host)23	fmt.Println(port.Int())24}

Validate

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"27017/tcp"},6		WaitingFor:   wait.ForListeningPort("27017/tcp"),7	}8	mongo, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer mongo.Terminate(ctx)14	ip, err := mongo.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	mongoPort, err := mongo.MappedPort(ctx, "27017/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(ip, mongoPort.Int())23}24import (25func main() {26	ctx := context.Background()27	req := testcontainers.ContainerRequest{28		ExposedPorts: []string{"27017/tcp"},29		WaitingFor:   wait.ForListeningPort("27017/tcp"),30	}31	mongo, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{32	})33	if err != nil {34		log.Fatal(err)35	}36	defer mongo.Terminate(ctx)37	ip, err := mongo.Host(ctx)38	if err != nil {39		log.Fatal(err)40	}41	mongoPort, err := mongo.MappedPort(ctx, "27017/tcp")42	if err != nil {43		log.Fatal(err)44	}45	fmt.Println(ip, mongoPort.Int())46}47import (48func main() {49	ctx := context.Background()50	req := testcontainers.ContainerRequest{51		ExposedPorts: []string{"27017/tcp"},

Validate

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    }8    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9    })10    if err != nil {11        panic(err)12    }13    defer container.Terminate(ctx)14    ip, err := container.Host(ctx)15    if err != nil {16        panic(err)17    }18    port, err := container.MappedPort(ctx, "80/tcp")19    if err != nil {20        panic(err)21    }22    fmt.Println("Container IP:Port", ip, port.Int())23}

Validate

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"6379/tcp"},5		WaitingFor:   wait.ForLog("Ready to accept connections"),6	}7	redisContainer, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{8	})9	if err != nil {10		log.Fatalln(err)11	}12	defer redisContainer.Terminate(context.Background())13}14import (15func main() {16	req := testcontainers.ContainerRequest{17		ExposedPorts: []string{"6379/tcp"},18		WaitingFor:   wait.ForLog("Ready to accept connections"),19	}20	redisContainer, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{21	})22	if err != nil {23		log.Fatalln(err)24	}25	defer redisContainer.Terminate(context.Background())26}27import (28func main() {29	req := testcontainers.ContainerRequest{30		ExposedPorts: []string{"6379/tcp"},31		WaitingFor:   wait.ForLog("Ready to accept connections"),32	}33	redisContainer, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{34	})35	if err != nil {36		log.Fatalln(err)37	}38	defer redisContainer.Terminate(context.Background())39}

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