How to use Health method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Health

dbcheck_test.go

Source:dbcheck_test.go

...41	}42	uri := fmt.Sprintf("postgres://root@%s:%s", hostIP, mappedPort.Port())43	return &cockroachDBContainer{Container: container, URI: uri}, nil44}45func TestBuildDBHealthCheckFuncStateDown(t *testing.T) {46	if testing.Short() {47		t.Skip("skipping integration test")48	}49	ctx := context.Background()50	cdbContainer, err := setupCockroachDB(ctx)51	require.NoError(t, err, "Failed to start up CockroachDB container")52	defer cdbContainer.Terminate(ctx)53	db, err := sql.Open("pgx", cdbContainer.URI+"/projectmanagement")54	require.NoError(t, err, "Failed to open connection to CockroachDB")55	defer db.Close()56	dbHealthCheckFunc := healthcheck.BuildDBHealthCheckFunc(db)57	require.NotNil(t, dbHealthCheckFunc)58	// Simulate a database outage59	cdbContainer.Terminate(ctx)60	healthStatus := dbHealthCheckFunc(ctx)61	assert.Equal(t, health.StateDown, healthStatus.State)62	assert.Nil(t, healthStatus.Details)63}64func TestBuildDBHealthCheckFuncStateUp(t *testing.T) {65	if testing.Short() {66		t.Skip("skipping integration test")67	}68	ctx := context.Background()69	cdbContainer, err := setupCockroachDB(ctx)70	require.NoError(t, err, "Failed to start up CockroachDB container")71	defer cdbContainer.Terminate(ctx)72	db, err := sql.Open("pgx", cdbContainer.URI+"/projectmanagement")73	require.NoError(t, err, "Failed to open connection to CockroachDB")74	defer db.Close()75	dbHealthCheckFunc := healthcheck.BuildDBHealthCheckFunc(db)76	require.NotNil(t, dbHealthCheckFunc)77	healthStatus := dbHealthCheckFunc(ctx)78	assert.Equal(t, health.StateUp, healthStatus.State)79	assert.Equal(t, healthcheck.DBDetails{ConnectionsInUse: 0, ConnectionsIdle: 1}, healthStatus.Details)80}...

setupdb_docker_test.go

Source:setupdb_docker_test.go

...28			WithStartupTimeout(1 * time.Minute).29			WithPollInterval(1 * time.Second).30			WithResponseMatcher(func(body io.Reader) bool {31				jd := json.NewDecoder(body)32				var result api.HealthStatus33				if err := jd.Decode(&result); err != nil {34					return false35				}36				return result.Ok37			}),38	}39	typesenseC, err = testcontainers.GenericContainer(ctx,40		testcontainers.GenericContainerRequest{41			ContainerRequest: req,42			Started:          true,43		})44	if err != nil {45		log.Println("container error!")46		return nil, err...

health_cmd.go

Source:health_cmd.go

...5	"io"6	"github.com/testcontainers/testcontainers-go/wait"7	"go.nhat.io/testcontainers-extra"8)9func healthCheckTestCmd(cmd []string) HealthCheckTestFunc {10	return func(ctx context.Context, target wait.StrategyTarget) (success bool, err error) {11		state, err := target.State(ctx)12		if err != nil {13			return false, err14		}15		if !isCmdTestable(state.Status) {16			logs, err := target.Logs(ctx)17			if err != nil {18				return false, fmt.Errorf("container is %s and unable to get logs: %w", state.Status, err)19			}20			if logs != nil {21				out, err := io.ReadAll(logs)22				if err != nil {23					return false, fmt.Errorf("container is %s and unable to read logs: %w", state.Status, err)24				}25				return false, fmt.Errorf("container is %s, logs:\n%s", state.Status, string(out))26			}27			return false, fmt.Errorf("container is %s and no logs", state.Status)28		}29		if !state.Running {30			return false, nil31		}32		code, _, err := target.Exec(ctx, cmd)33		if err != nil {34			return false, err35		}36		return code == 0, nil37	}38}39// ForHealthCheckCmd checks by running a command in the container.40func ForHealthCheckCmd(cmd string, args ...string) *HealthCheckStrategy {41	test := make([]string, 0, len(args)+1)42	test = append(test, cmd)43	test = append(test, args...)44	return ForHealthCheck(healthCheckTestCmd(test))45}46func isCmdTestable(status string) bool {47	return testcontainers.ContainerStatusCreated.Equal(status) ||48		testcontainers.ContainerStatusRunning.Equal(status) ||49		testcontainers.ContainerStatusRestarting.Equal(status)50}...

Health

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    ip, err := container.Host(ctx)15    if err != nil {16        panic(err)17    }18    port, err := container.MappedPort(ctx, "8080")19    if err != nil {20        panic(err)21    }22    fmt.Println(ip, port.Int())23}24import (25func main() {26    ctx := context.Background()27    req := testcontainers.ContainerRequest{28        Cmd:          []string{"echo", "Hello world!"},29        WaitingFor:   wait.ForLog("Hello world!"),30    }31    container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{32    })33    if err != nil {34        panic(err)35    }36    defer container.Terminate(ctx)37    ip, err := container.Host(ctx)38    if err != nil {39        panic(err)40    }41    port, err := container.MappedPort(ctx, "8080")42    if err != nil {43        panic(err)44    }45    fmt.Println(ip, port.Int())46}47import (48func main() {49    ctx := context.Background()50    req := testcontainers.ContainerRequest{51        Cmd:          []string{"echo", "Hello

Health

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, _ := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	defer postgres.Terminate(ctx)11}

Health

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	req := testcontainers.ContainerRequest{5		ExposedPorts: []string{"6379/tcp"},6		WaitingFor:   wait.ForLog("Ready to accept connections"),7	}8	redis, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer redis.Terminate(ctx)14	ip, err := redis.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := redis.MappedPort(ctx, "6379")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(ip, port.Int())23	time.Sleep(10 * time.Second)24}

Health

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	redisHost, err := redisContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	redisPort, err := redisContainer.MappedPort(ctx, "6379")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(redisHost)23	fmt.Println(redisPort.Int())24	time.Sleep(5 * time.Minute)25}

Health

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	port, err := postgresContainer.MappedPort(ctx, "5432/tcp")18	if err != nil {19		log.Fatal(err)20	}21	fmt.Println(ip, port.Int())22	err = postgresContainer.Terminate(ctx)23	if err != nil {24		log.Fatal(err)25	}26	_, err = postgresContainer.Wait(ctx)27	if err != nil {28		log.Fatal(err)29	}30}

Health

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	postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer postgresContainer.Terminate(ctx)14	ip, err := postgresContainer.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	port, err := postgresContainer.MappedPort(ctx, "5432")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(ip, port.Int())23}

Health

Using AI Code Generation

1import (2func main() {3	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())4	if err != nil {5		panic(err)6	}7	ctx := context.Background()

Health

Using AI Code Generation

1func   main ( )   { 2 }3 import   ( 4 func   TestStart ( t   * testing . T )   { 5 } 6 func   TestHealth ( t   * testing . T )   { 7 } 8 func   TestStop ( t   * testing . T )   { 9 }10 import   ( 11 func   TestStart ( t   * testing . T )   { 12 } 13 func   TestHealth ( t   * testing . T )   { 14 } 15 func   TestStop ( t   * testing . T )   { 16 }17 import   ( 18 func   TestStart ( t   * testing . T )   { 19 } 20 func   TestHealth ( t   * testing . T )   { 21 } 22 func   TestStop ( t   * testing . T )   { 23 }24 import   ( 25 func   TestStart ( t   * testing . T )   { 26 } 27 func   TestHealth ( t   * testing . T )   { 28 } 29 func   TestStop ( t   * testing . T )   { 30 }

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