How to use Error method of testcontainers Package

Best Testcontainers-go code snippet using testcontainers.Error

e2e_test.go

Source:e2e_test.go

...59}60func testE2E(t *testing.T, test testCase) {61	ctx := context.Background()62	workingDir, err := os.Getwd()63	require.NoError(t, err)64	network, err := testcontainers.GenericNetwork(ctx, testcontainers.GenericNetworkRequest{65		NetworkRequest: testcontainers.NetworkRequest{Name: networkName},66	})67	require.NoError(t, err)68	defer network.Remove(ctx)69	var bindMounts map[string]string70	if test.chiconf != nil {71		bindMounts = map[string]string{72			fmt.Sprintf("%s/%s", workingDir, *test.chiconf): "/etc/clickhouse-server/config.d/testconf.xml",73		}74	} else {75		bindMounts = map[string]string{}76	}77	chReq := testcontainers.ContainerRequest{78		Image:        clickHouseImage,79		ExposedPorts: []string{clickhousePort},80		WaitingFor:   &clickhouseWaitStrategy{test: t, pollInterval: time.Millisecond * 200, startupTimeout: time.Minute},81		Networks:     []string{networkName},82		Hostname:     "chi",83		BindMounts:   bindMounts,84	}85	chContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{86		ContainerRequest: chReq,87		Started:          true,88	})89	require.NoError(t, err)90	defer chContainer.Terminate(ctx)91	jaegerContainers := make([]testcontainers.Container, 0)92	for _, pluginConfig := range test.configs {93		jaegerReq := testcontainers.ContainerRequest{94			Image:        jaegerImage,95			ExposedPorts: []string{jaegerQueryPort, jaegerAdminPort},96			WaitingFor:   wait.ForHTTP("/").WithPort(jaegerAdminPort).WithStartupTimeout(time.Second * 10),97			Env: map[string]string{98				"SPAN_STORAGE_TYPE": "grpc-plugin",99			},100			Cmd: []string{101				"--grpc-storage-plugin.binary=/project-dir/jaeger-clickhouse-linux-amd64",102				fmt.Sprintf("--grpc-storage-plugin.configuration-file=/project-dir/e2etests/%s", pluginConfig),103				"--grpc-storage-plugin.log-level=debug",104			},105			BindMounts: map[string]string{106				workingDir + "/..": "/project-dir",107			},108			Networks: []string{networkName},109		}110		// Call Start() manually here so that if it fails then we can still access the logs.111		jaegerContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{112			ContainerRequest: jaegerReq,113		})114		require.NoError(t, err)115		defer func() {116			logs, errLogs := jaegerContainer.Logs(ctx)117			require.NoError(t, errLogs)118			all, errLogs := ioutil.ReadAll(logs)119			require.NoError(t, errLogs)120			fmt.Printf("Jaeger logs:\n---->\n%s<----\n\n", string(all))121			jaegerContainer.Terminate(ctx)122		}()123		err = jaegerContainer.Start(ctx)124		require.NoError(t, err)125		jaegerContainers = append(jaegerContainers, jaegerContainer)126	}127	for _, jaegerContainer := range jaegerContainers {128		jaegerQueryPort, err := jaegerContainer.MappedPort(ctx, jaegerQueryPort)129		require.NoError(t, err)130		err = awaitility.Await(100*time.Millisecond, time.Second*3, func() bool {131			// Jaeger traces itself so this request generates some spans132			response, errHTTP := http.Get(fmt.Sprintf("http://localhost:%d/api/services", jaegerQueryPort.Int()))133			require.NoError(t, errHTTP)134			body, errHTTP := ioutil.ReadAll(response.Body)135			require.NoError(t, errHTTP)136			var r result137			errHTTP = json.Unmarshal(body, &r)138			require.NoError(t, errHTTP)139			return len(r.Data) == 1 && r.Data[0] == "jaeger-query"140		})141		assert.NoError(t, err)142	}143}144type result struct {145	Data []string `json:"data"`146}147type clickhouseWaitStrategy struct {148	test           *testing.T149	pollInterval   time.Duration150	startupTimeout time.Duration151}152var _ wait.Strategy = (*clickhouseWaitStrategy)(nil)153func (c *clickhouseWaitStrategy) WaitUntilReady(ctx context.Context, target wait.StrategyTarget) error {154	ctx, cancelContext := context.WithTimeout(ctx, c.startupTimeout)155	defer cancelContext()156	port, err := target.MappedPort(ctx, clickhousePort)157	require.NoError(c.test, err)158	db := clickhouse.OpenDB(&clickhouse.Options{159		Addr: []string{160			fmt.Sprintf("localhost:%d", port.Int()),161		},162		Auth: clickhouse.Auth{163			Database: "default",164		},165		Compression: &clickhouse.Compression{166			Method: clickhouse.CompressionLZ4,167		},168	})169	require.NoError(c.test, err)170	for {171		select {172		case <-ctx.Done():173			return ctx.Err()174		case <-time.After(c.pollInterval):175			if err := db.Ping(); err != nil {176				continue177			}178			return nil179		}180	}181}...

testing_kafka_cluster.go

Source:testing_kafka_cluster.go

1package controllers2import (3	"context"4	"fmt"5	"github.com/testcontainers/testcontainers-go"6	"io/ioutil"7	"os"8)9const (10	CLUSTER_NETWORK_NAME = "kafka-cluster"11	ZOOKEEPER_PORT       = "2181"12	KAFKA_BROKER_PORT    = "9092"13	KAFKA_CLIENT_PORT    = "9093"14	KAFKA_BROKER_ID      = "1"15	ZOOKEEPER_IMAGE      = "confluentinc/cp-zookeeper:5.5.2"16	KAFKA_IMAGE          = "confluentinc/cp-kafka:5.5.2"17)18type TestingKafkaCluster struct {19	kafkaContainer     testcontainers.Container20	zookeeperContainer testcontainers.Container21}22func (kc *TestingKafkaCluster) StartCluster() error {23	ctx := context.Background()24	if err := kc.zookeeperContainer.Start(ctx); err != nil {25		return err26	}27	if err := kc.kafkaContainer.Start(ctx); err != nil {28		return err29	}30	if err := kc.createProbe(); err != nil {31		return err32	}33	return kc.startKafka()34}35func (kc *TestingKafkaCluster) StopCluster() error {36	ctx := context.Background()37	if err := kc.kafkaContainer.Terminate(ctx); err != nil {38		return err39	}40	if err := kc.zookeeperContainer.Terminate(ctx); err != nil {41		return err42	}43	return nil44}45func (kc *TestingKafkaCluster) GetKafkaHost() (string, error) {46	ctx := context.Background()47	host, err := kc.kafkaContainer.Host(ctx)48	if err != nil {49		return "", err50	}51	port, err := kc.kafkaContainer.MappedPort(ctx, KAFKA_CLIENT_PORT)52	if err != nil {53		return "", err54	}55	return host + ":" + port.Port(), nil56}57func (kc *TestingKafkaCluster) createProbe() error {58	probeScript, err := ioutil.TempFile("", "probe.sh")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, err98	}99	kafkaContainer, err := createKafkaContainer(dockerNetwork)100	if err != nil {101		return nil, err102	}103	return &TestingKafkaCluster{104		kafkaContainer:     kafkaContainer,105		zookeeperContainer: zookeeperContainer,106	}, nil107}108func (kc *TestingKafkaCluster) IsAlive() (bool, error) {109	if s, err := kc.zookeeperContainer.Exec(context.Background(), []string{110		"/probe.sh",111	}); err != nil {112		return false, err113	} else if s == 0 {114		return true, nil115	} else {116		return false, nil117	}118}119func createZookeeperContainer(network *testcontainers.DockerNetwork) (testcontainers.Container, error) {120	ctx := context.Background()121	return testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{122		ContainerRequest: testcontainers.ContainerRequest{123			Image:          ZOOKEEPER_IMAGE,124			ExposedPorts:   []string{ZOOKEEPER_PORT},125			Env:            map[string]string{"ZOOKEEPER_CLIENT_PORT": ZOOKEEPER_PORT, "ZOOKEEPER_TICK_TIME": "2000"},126			Networks:       []string{network.Name},127			NetworkAliases: map[string][]string{network.Name: {"zookeeper"}},128		},129	})130}131func createKafkaContainer(network *testcontainers.DockerNetwork) (testcontainers.Container, error) {132	ctx := context.Background()133	return testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{134		ContainerRequest: testcontainers.ContainerRequest{135			Image:        KAFKA_IMAGE,136			ExposedPorts: []string{KAFKA_CLIENT_PORT},137			Env: map[string]string{138				"KAFKA_BROKER_ID":                        KAFKA_BROKER_ID,139				"KAFKA_ZOOKEEPER_CONNECT":                fmt.Sprintf("zookeeper:%s", ZOOKEEPER_PORT),140				"KAFKA_LISTENERS":                        fmt.Sprintf("PLAINTEXT://0.0.0.0:%s,BROKER://0.0.0.0:%s", KAFKA_CLIENT_PORT, KAFKA_BROKER_PORT),141				"KAFKA_LISTENER_SECURITY_PROTOCOL_MAP":   "BROKER:PLAINTEXT,PLAINTEXT:PLAINTEXT",142				"KAFKA_INTER_BROKER_LISTENER_NAME":       "BROKER",143				"KAFKA_OFFESTS_TOPIC_REPLICATION_FACTOR": "1",144			},145			Networks:       []string{network.Name},146			NetworkAliases: map[string][]string{network.Name: {"kafka"}},147			Cmd:            []string{"sh", "-c", "while [ ! -f /testcontainers_start.sh ]; do sleep 0.1; done; /testcontainers_start.sh"},148		},149	})150}...

cache_integration_test.go

Source:cache_integration_test.go

...61		const topic = "stream:test"62		err := redisCacheService.Create(topic, "{id : 123}", 20)63		Convey("Then the cached entry should be created", func() {64			if err != nil {65				t.Error("Failed: " + err.Error())66			}67		})68	})69}70func TestIntegrationRedisCacheService_Read(t *testing.T) {71	Convey("Given an entry exists in the redis cache sortedSet", t, func() {72		const topic = "stream:test2"73		err := redisCacheService.Create(topic, "{id : 124}", 21)74		if err != nil {75			t.Error("Failed: " + err.Error())76		}77		Convey("When I fetch the cached entries", func() {78			actual, err := redisCacheService.Read(topic, 0)79			if err != nil {80				t.Error("Failed: " + err.Error())81			}82			Convey("Then the cached entries for the given topic should be found", func() {83				So(len(actual), ShouldEqual, 1)84				var expected = [1]string{"{id : 124}"}85				So(actual[0], ShouldEqual, expected[0])86			})87		})88	})89}90func TestIntegrationRedisCacheService_ReadFromAGivenOffset(t *testing.T) {91	Convey("Given an entry exists in the redis cache sortedSet", t, func() {92		const topic = "stream:test3"93		for score := 10; score < 20; score++ {94			delta := fmt.Sprintf("{id : %d}", score)95			err := redisCacheService.Create(topic, delta, int64(score))96			if err != nil {97				t.Error("Failed: " + err.Error())98			}99		}100		Convey("When I fetch the cached entries for a given offset", func() {101			actualArray, err := redisCacheService.Read(topic, 15)102			if err != nil {103				t.Error("Failed: " + err.Error())104			}105			Convey("Then only the cached entries for the given offset should be found", func() {106				So(len(actualArray), ShouldEqual, 5)107				var expected = []string{"{id : 15}", "{id : 16}", "{id : 17}", "{id : 18}", "{id : 19}"}108				for index, actual := range actualArray {109					fmt.Println("Actual: ", index, actual)110					So(actual, ShouldEqual, expected[index])111				}112			})113		})114	})115}116func TestIntegrationRedisCacheService_ReadDoesNotReturnExpiredEntries(t *testing.T) {117	Convey("Given an entry exists in the redis cache sortedSet", t, func() {118		const topic = "stream:test4"119		for score := 10; score < 20; score++ {120			delta := fmt.Sprintf("{id : %d}", score)121			err := redisCacheService.Create(topic, delta, int64(score))122			if err != nil {123				t.Error("Failed: " + err.Error())124			}125		}126		Convey("When the entries become expired", func() {127			fmt.Println("Waiting for cache entries to expire...")128			time.Sleep(time.Duration(envVariables.expiryInSeconds) * time.Second)129			Convey("Then the expired entries for the given offset should not be returned", func() {130				actualArray, err := redisCacheService.Read(topic, 10)131				if err != nil {132					t.Error("Failed: " + err.Error())133				}134				So(len(actualArray), ShouldEqual, 0)135			})136		})137	})138}...

Error

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        fmt.Println(err)12    }13    defer postgres.Terminate(ctx)14    ip, err := postgres.Host(ctx)15    if err != nil {16        fmt.Println(err)17    }18    port, err := postgres.MappedPort(ctx, "5432/tcp")19    if err != nil {20        fmt.Println(err)21    }22    fmt.Println(ip, port.Int())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        fmt.Println(err)35    }36    defer postgres.Terminate(ctx)37    ip, err := postgres.Host(ctx)38    if err != nil {39        fmt.Println(err)40    }41    port, err := postgres.MappedPort(ctx, "5432/tcp")42    if err != nil {43        fmt.Println(err)44    }45    fmt.Println(ip, port.Int())46}47import (

Error

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.Fatalf("Could not start container: %v", err)12	}13	defer mongo.Terminate(ctx)14	ip, err := mongo.Host(ctx)15	if err != nil {16		log.Fatalf("Could not get container IP: %v", err)17	}18	port, err := mongo.MappedPort(ctx, "27017")19	if err != nil {20		log.Fatalf("Could not get container port: %v", err)21	}22	fmt.Printf("MongoDB is available on %s:%s", ip, port.Port())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.Fatalf("Could not start container: %v", err)35    }36    defer mongo.Terminate(ctx)37    ip, err := mongo.Host(ctx)38    if err != nil {39        log.Fatalf("Could not get container IP: %v", err)40    }

Error

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	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	mappedPort, err := postgresContainer.MappedPort(ctx, "5432")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Printf("host=%s port=%s", ip, mappedPort.Port())23}

Error

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	redisC, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatal(err)12	}13	defer redisC.Terminate(ctx)14	redisIP, err := redisC.Host(ctx)15	if err != nil {16		log.Fatal(err)17	}18	redisPort, err := redisC.MappedPort(ctx, "6379/tcp")19	if err != nil {20		log.Fatal(err)21	}22	fmt.Println(redisIP, redisPort.Int())23	time.Sleep(1000000 * time.Second)24}25github.com/testcontainers/testcontainers-go.(*Container).Host(0x0, 0x5b76e0, 0xc4200a40e0, 0x0, 0x0)26main.main()

Error

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"6379/tcp"},5		WaitingFor:   wait.ForListeningPort("6379/tcp"),6	}7	ctx := context.Background()8	redisContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{9	})10	if err != nil {11		log.Fatalln(err)12	}13	defer redisContainer.Terminate(ctx)14	redisHost, _ := redisContainer.Host(ctx)15	redisPort, _ := redisContainer.MappedPort(ctx, "6379/tcp")16	fmt.Println("Redis is running on", redisHost, redisPort.Int())17	time.Sleep(5 * time.Second)18}

Error

Using AI Code Generation

1import (2func main() {3	req := testcontainers.ContainerRequest{4		ExposedPorts: []string{"5432/tcp"},5		Env: map[string]string{6		},7	}8	ctx := context.Background()9	postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		fmt.Println("Error in creating container", err)13	}14	defer postgres.Terminate(ctx)15}16import (17func main() {18    ctx := context.Background()19    req := testcontainers.ContainerRequest{20        ExposedPorts: []string{"5432/tcp"},21        WaitingFor:   wait.ForListeningPort("5432/tcp"),22        Env: map[string]string{23        },24    }25    postgres, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{26    })27    if err != nil {28        fmt.Println("Error in creating container", err)29    }30    defer postgres.Terminate(ctx)31}32failed to create container: API error (500): OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"postgres\": executable file not found in $PATH": unknown

Error

Using AI Code Generation

1import (2func TestContainer(t *testing.T) {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.Fatalf("Could not start container: %v", err)12	}13	defer postgresContainer.Terminate(ctx)14	port, err := postgresContainer.MappedPort(ctx, "5432/tcp")15	if err != nil {16		log.Fatalf("Could not get port: %v", err)17	}18	fmt.Println(port.Int())19}20import (21func TestContainer(t *testing.T) {22	ctx := context.Background()23	req := testcontainers.ContainerRequest{24		ExposedPorts: []string{"5432/tcp"},25		WaitingFor:   wait.ForListeningPort("5432/tcp"),26	}27	postgresContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{28	})29	if err != nil {30		log.Fatalf("Could not start container: %v", err)31	}32	defer postgresContainer.Terminate(ctx)33	port, err := postgresContainer.MappedPort(ctx, "5432/tcp")34	if err != nil {35		log.Fatalf("Could not get port: %v", err)36	}37	fmt.Println(port.Int())38}39import (40func TestContainer(t *testing.T) {41	ctx := context.Background()42	req := testcontainers.ContainerRequest{

Error

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		ExposedPorts: []string{"80/tcp"},7		WaitingFor:   wait.ForLog("hello world"),8	}9	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{10	})11	if err != nil {12		log.Fatalf("Could not start container: %v", err)13	}14	ip, err := container.Host(ctx)15	if err != nil {16		log.Fatalf("Could not get container IP: %v", err)17	}18	port, err := container.MappedPort(ctx, "80")19	if err != nil {20		log.Fatalf("Could not get mapped port: %v", err)21	}22	if err != nil {23		log.Fatalf("Could not reach container: %v", err)24	}25	err = container.Terminate(ctx)26	if err != nil {27		log.Fatalf("Could not stop container: %v", err)28	}29}30import (31func main() {32	ctx := context.Background()33	req := testcontainers.ContainerRequest{34		Cmd:          []string{"sh", "-c", "

Error

Using AI Code Generation

1import (2func main() {3	fmt.Println(testcontainers.Error("test"))4}5import (6func main() {7	fmt.Println(testcontainers.Errorf("test %s", "error"))8}9import (10func main() {11	fmt.Println(testcontainers.Fatal("test"))12}13import (14func main() {15	fmt.Println(testcontainers.Fatalf("test %s", "error"))16}17import (18func main() {19	fmt.Println(testcontainers.Panic("test"))20}21import (22func main() {23	fmt.Println(testcontainers.Panicf("test %s", "error"))24}25import (26func main() {27	fmt.Println(testcontainers.Print("test"))28}29import (30func main() {31	fmt.Println(testcontainers.Printf("test %s", "error"))32}33import (34func main() {35	fmt.Println(testcontainers.Println("test"))36}37import (38func main() {39	fmt.Println(testcontainers.Warn("test"))

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