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How to use writeStringToFile method of org.testcontainers.junit.GenericContainerRuleTest class

Best Testcontainers-java code snippet using org.testcontainers.junit.GenericContainerRuleTest.writeStringToFile

Source:GenericContainerRuleTest.java

...71    @BeforeClass72    public static void setupContent() throws FileNotFoundException {73        File contentFolder = new File(System.getProperty("user.home") + "/.tmp-test-container");74        contentFolder.mkdir();75        writeStringToFile(contentFolder, "file", "Hello world!");76    }77    /**78     * Redis79     */80    @ClassRule81    public static GenericContainer<?> redis = new GenericContainer<>(REDIS_IMAGE)82            .withExposedPorts(REDIS_PORT);83    /**84     * RabbitMQ85     */86    @ClassRule87    public static GenericContainer<?> rabbitMq = new GenericContainer<>(RABBITMQ_IMAGE)88            .withExposedPorts(RABBITMQ_PORT);89    /**90     * MongoDB91     */92    @ClassRule93    public static GenericContainer<?> mongo = new GenericContainer<>(MONGODB_IMAGE)94            .withExposedPorts(MONGO_PORT);95    /**96     * Pass an environment variable to the container, then run a shell script that exposes the variable in a quick and97     * dirty way for testing.98     */99    @ClassRule100    public static GenericContainer<?> alpineEnvVar = new GenericContainer<>(ALPINE_IMAGE)101            .withExposedPorts(80)102            .withEnv("MAGIC_NUMBER", "4")103            .withEnv("MAGIC_NUMBER", oldValue -> oldValue.orElse("") + "2")104            .withCommand("/bin/sh", "-c", "while true; do echo \"$MAGIC_NUMBER\" | nc -l -p 80; done");105    /**106     * Pass environment variables to the container, then run a shell script that exposes the variables in a quick and107     * dirty way for testing.108     */109    @ClassRule110    public static GenericContainer<?> alpineEnvVarFromMap = new GenericContainer<>(ALPINE_IMAGE)111            .withExposedPorts(80)112            .withEnv(ImmutableMap.of(113                    "FIRST", "42",114                    "SECOND", "50"115            ))116            .withCommand("/bin/sh", "-c", "while true; do echo \"$FIRST and $SECOND\" | nc -l -p 80; done");117    /**118     * Map a file on the classpath to a file in the container, and then expose the content for testing.119     */120    @ClassRule121    public static GenericContainer<?> alpineClasspathResource = new GenericContainer<>(ALPINE_IMAGE)122            .withExposedPorts(80)123            .withClasspathResourceMapping("mappable-resource/test-resource.txt", "/content.txt", READ_ONLY)124            .withCommand("/bin/sh", "-c", "while true; do cat /content.txt | nc -l -p 80; done");125    /**126     * Map a file on the classpath to a file in the container, and then expose the content for testing.127     */128    @ClassRule129    public static GenericContainer<?> alpineClasspathResourceSelinux = new GenericContainer<>(ALPINE_IMAGE)130            .withExposedPorts(80)131            .withClasspathResourceMapping("mappable-resource/test-resource.txt", "/content.txt", READ_WRITE, SHARED)132            .withCommand("/bin/sh", "-c", "while true; do cat /content.txt | nc -l -p 80; done");133    /**134     * Create a container with an extra host entry and expose the content of /etc/hosts for testing.135     */136    @ClassRule137    public static GenericContainer<?> alpineExtrahost = new GenericContainer<>(ALPINE_IMAGE)138            .withExposedPorts(80)139            .withExtraHost("somehost", "192.168.1.10")140            .withCommand("/bin/sh", "-c", "while true; do cat /etc/hosts | nc -l -p 80; done");141    @Test142    public void testIsRunning() {143        try (144            GenericContainer<?> container = new GenericContainer<>(TINY_IMAGE)145            .withCommand("top")) {146            assertFalse("Container is not started and not running", container.isRunning());147            container.start();148            assertTrue("Container is started and running", container.isRunning());149        }150    }151    @Test152    public void withTmpFsTest() throws Exception {153        try (154            GenericContainer<?> container = new GenericContainer<>(TINY_IMAGE)155                .withCommand("top")156                .withTmpFs(singletonMap("/testtmpfs", "rw"))157        ) {158            container.start();159            // check file doesn't exist160            String path = "/testtmpfs/test.file";161            Container.ExecResult execResult = container.execInContainer("ls", path);162            assertEquals("tmpfs inside container works fine", execResult.getStderr(),163                "ls: /testtmpfs/test.file: No such file or directory\n");164            // touch && check file does exist165            container.execInContainer("touch", path);166            execResult = container.execInContainer("ls", path);167            assertEquals("tmpfs inside container works fine", execResult.getStdout(), path + "\n");168        }169    }170    @Test171    public void simpleRabbitMqTest() throws IOException, TimeoutException {172        ConnectionFactory factory = new ConnectionFactory();173        factory.setHost(rabbitMq.getHost());174        factory.setPort(rabbitMq.getMappedPort(RABBITMQ_PORT));175        Connection connection = factory.newConnection();176        Channel channel = connection.createChannel();177        channel.exchangeDeclare(RABBIQMQ_TEST_EXCHANGE, "direct", true);178        String queueName = channel.queueDeclare().getQueue();179        channel.queueBind(queueName, RABBIQMQ_TEST_EXCHANGE, RABBITMQ_TEST_ROUTING_KEY);180        // Set up a consumer on the queue181        final boolean[] messageWasReceived = new boolean[1];182        channel.basicConsume(queueName, false, new DefaultConsumer(channel) {183            @Override184            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {185                messageWasReceived[0] = Arrays.equals(body, RABBITMQ_TEST_MESSAGE.getBytes());186            }187        });188        // post a message189        channel.basicPublish(RABBIQMQ_TEST_EXCHANGE, RABBITMQ_TEST_ROUTING_KEY, null, RABBITMQ_TEST_MESSAGE.getBytes());190        // check the message was received191        assertTrue("The message was received", Unreliables.retryUntilSuccess(5, TimeUnit.SECONDS, () -> {192            if (!messageWasReceived[0]) {193                throw new IllegalStateException("Message not received yet");194            }195            return true;196        }));197    }198    @Test199    public void simpleMongoDbTest() {200        MongoClient mongoClient = new MongoClient(mongo.getHost(), mongo.getMappedPort(MONGO_PORT));201        MongoDatabase database = mongoClient.getDatabase("test");202        MongoCollection<Document> collection = database.getCollection("testCollection");203        Document doc = new Document("name", "foo")204                .append("value", 1);205        collection.insertOne(doc);206        Document doc2 = collection.find(new Document("name", "foo")).first();207        assertEquals("A record can be inserted into and retrieved from MongoDB", 1, doc2.get("value"));208    }209    @Test210    public void environmentAndCustomCommandTest() throws IOException {211        String line = getReaderForContainerPort80(alpineEnvVar).readLine();212        assertEquals("An environment variable can be passed into a command", "42", line);213    }214    @Test215    public void environmentFromMapTest() throws IOException {216        String line = getReaderForContainerPort80(alpineEnvVarFromMap).readLine();217        assertEquals("Environment variables can be passed into a command from a map", "42 and 50", line);218    }219    @Test220    public void customLabelTest() {221        try (final GenericContainer alpineCustomLabel = new GenericContainer<>(ALPINE_IMAGE)222            .withLabel("our.custom", "label")223            .withCommand("top")) {224            alpineCustomLabel.start();225            Map<String, String> labels = alpineCustomLabel.getCurrentContainerInfo().getConfig().getLabels();226            assertTrue("org.testcontainers label is present", labels.containsKey("org.testcontainers"));227            assertTrue("our.custom label is present", labels.containsKey("our.custom"));228            assertEquals("our.custom label value is label", labels.get("our.custom"), "label");229        }230    }231    @Test232    public void exceptionThrownWhenTryingToOverrideTestcontainersLabels() {233        assertThrows("When trying to overwrite an 'org.testcontainers' label, withLabel() throws an exception",234            IllegalArgumentException.class,235            () -> {236                new GenericContainer<>(ALPINE_IMAGE)237                    .withLabel("org.testcontainers.foo", "false");238            }239        );240    }241    @Test242    public void customClasspathResourceMappingTest() throws IOException {243        // Note: This functionality doesn't work if you are running your build inside a Docker container;244        // in that case this test will fail.245        String line = getReaderForContainerPort80(alpineClasspathResource).readLine();246        assertEquals("Resource on the classpath can be mapped using calls to withClasspathResourceMapping", "FOOBAR", line);247    }248    @Test249    public void customClasspathResourceMappingWithSelinuxTest() throws IOException {250        String line = getReaderForContainerPort80(alpineClasspathResourceSelinux).readLine();251        assertEquals("Resource on the classpath can be mapped using calls to withClasspathResourceMappingSelinux", "FOOBAR", line);252    }253    @Test254    public void exceptionThrownWhenMappedPortNotFound() {255        assertThrows("When the requested port is not mapped, getMappedPort() throws an exception",256                IllegalArgumentException.class,257                () -> {258                    return redis.getMappedPort(666);259                });260    }261    protected static void writeStringToFile(File contentFolder, String filename, String string) throws FileNotFoundException {262        File file = new File(contentFolder, filename);263        PrintStream printStream = new PrintStream(new FileOutputStream(file));264        printStream.println(string);265        printStream.close();266    }267    @Test @Ignore //TODO investigate intermittent failures268    public void failFastWhenContainerHaltsImmediately() {269        long startingTimeMs = System.currentTimeMillis();270        final GenericContainer failsImmediately = new GenericContainer<>(ALPINE_IMAGE)271              .withCommand("/bin/sh", "-c", "return false")272              .withMinimumRunningDuration(Duration.ofMillis(100));273        try {274            assertThrows(275                  "When we start a container that halts immediately, an exception is thrown",...

writeStringToFile

Using AI Code Generation

1    public static void main(String[] args) throws IOException {2        String filePath = "/tmp/test.txt";3        String content = "test";4        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();5        genericContainerRuleTest.writeStringToFile(filePath, content);6    }7    public static void main(String[] args) throws IOException {8        String filePath = "/tmp/test.txt";9        String content = "test";10        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();11        genericContainerRuleTest.writeStringToFile(filePath, content);12    }13    public static void main(String[] args) throws IOException {14        String filePath = "/tmp/test.txt";15        String content = "test";16        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();17        genericContainerRuleTest.writeStringToFile(filePath, content);18    }19    public static void main(String[] args) throws IOException {20        String filePath = "/tmp/test.txt";21        String content = "test";22        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();23        genericContainerRuleTest.writeStringToFile(filePath, content);24    }25    public static void main(String[] args) throws IOException {26        String filePath = "/tmp/test.txt";27        String content = "test";28        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();29        genericContainerRuleTest.writeStringToFile(filePath, content);30    }31    public static void main(String[] args) throws IOException {32        String filePath = "/tmp/test.txt";33        String content = "test";34        GenericContainerRuleTest genericContainerRuleTest = new GenericContainerRuleTest();35        genericContainerRuleTest.writeStringToFile(filePath, content);36    }37    public static void main(String[] args) throws IOException {38        String filePath = "/tmp/test.txt";39        String content = "test";

writeStringToFile

Using AI Code Generation

1public class GenericContainerRuleTest {2    public GenericContainerRule genericContainerRule = new GenericContainerRule("postgres:9.4");3    public void testWriteStringToFile() throws IOException {4        File file = new File("file.txt");5        String content = "Hello World!";6        genericContainerRule.writeStringToFile(file, content);7        try (BufferedReader reader = new BufferedReader(new FileReader(file))) {8            assertEquals(content, reader.readLine());9        }10    }11}12GenericContainerRule#writeFileToContainer()13Syntax: writeFileToContainer(File file, String containerPath)14public class GenericContainerRuleTest {15    public GenericContainerRule genericContainerRule = new GenericContainerRule("postgres:9.4");16    public void testWriteFileToContainer() throws IOException {17        File file = new File("file.txt");18        genericContainerRule.writeStringToFile(file, "Hello World!");19        genericContainerRule.writeFileToContainer(file, "/file.txt");20        genericContainerRule.execInContainer("cat", "/file.txt");21    }22}23GenericContainerRule#copyFileToContainer()24Syntax: copyFileToContainer(MountableFile mountableFile, String containerPath)25public class GenericContainerRuleTest {26    public GenericContainerRule genericContainerRule = new GenericContainerRule("postgres:9.4");

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