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New Module: HiveMQ (#4797) · testfailed/testcontainers-java@bfb8cec · GitHub

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Yannick Weber
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codepitbull
authored
New Module: HiveMQ (testcontainers#4797)
Co-authored-by: Jochen Mader <jochen@codepitbull.de>
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‎.github/dependabot.yml‎

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schedule:
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interval: "monthly"
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open-pull-requests-limit: 10
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- package-ecosystem: "gradle"
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directory: "/modules/hivemq"
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schedule:
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interval: "monthly"
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open-pull-requests-limit: 10
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- package-ecosystem: "gradle"
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directory: "/modules/influxdb"
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schedule:

‎core/src/main/java/org/testcontainers/containers/wait/strategy/MultiLogMessageWaitStrategy.java‎

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package org.testcontainers.containers.wait.strategy;
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import org.testcontainers.DockerClientFactory;
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import org.testcontainers.containers.ContainerLaunchException;
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import org.testcontainers.containers.output.OutputFrame;
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import org.testcontainers.containers.output.WaitingConsumer;
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import org.testcontainers.utility.LogUtils;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import java.util.function.Predicate;
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/**
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* This is a wait strategy to wait for multiple log patterns.
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* The wait strategy will continue when every log pattern is matched at least once.
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*/
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public class MultiLogMessageWaitStrategy extends AbstractWaitStrategy {
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private final ConcurrentHashMap<String, Boolean> regexes = new ConcurrentHashMap<>();
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@Override
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protected void waitUntilReady() {
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WaitingConsumer waitingConsumer = new WaitingConsumer();
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LogUtils.followOutput(DockerClientFactory.instance().client(), waitStrategyTarget.getContainerId(), waitingConsumer);
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Predicate<OutputFrame> waitPredicate = outputFrame -> {
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if (regexes.isEmpty()) {
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return true;
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}
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regexes.entrySet().forEach(regexHasMatched -> {
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final boolean matched = outputFrame.getUtf8String().matches("(?s)" + regexHasMatched.getKey());
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if (matched) {
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regexHasMatched.setValue(true);
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}
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});
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return regexes.values().stream().reduce(Boolean::logicalAnd).orElse(true);
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};
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try {
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waitingConsumer.waitUntil(waitPredicate, startupTimeout.getSeconds(), TimeUnit.SECONDS, 1);
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} catch (TimeoutException e) {
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throw new ContainerLaunchException("Timed out waiting for log output matching '" + regexes + "'");
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}
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}
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public MultiLogMessageWaitStrategy withRegEx(final String regEx) {
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regexes.put(regEx, false);
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return this;
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}
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public MultiLogMessageWaitStrategy reset() {
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for (final Map.Entry<String, Boolean> stringBooleanEntry : regexes.entrySet()) {
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stringBooleanEntry.setValue(false);
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}
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return this;
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}
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}

‎docs/modules/hivemq.md‎

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# HiveMQ Module
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<img src="../modules_logos/hivemq-module.png" alt="drawing" width="800"/>
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Automatic starting HiveMQ docker containers for JUnit4 and JUnit5 tests.
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This enables testing MQTT client applications and integration testing of custom HiveMQ extensions.
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- Community forum: https://community.hivemq.com/
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- HiveMQ website: https://www.hivemq.com/
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- MQTT resources:
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- [MQTT Essentials](https://www.hivemq.com/mqtt-essentials/)
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- [MQTT 5 Essentials](https://www.hivemq.com/mqtt-5/)
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Please make sure to check out the hivemq-docs for the [Community Edition](https://github.com/hivemq/hivemq-community-edition/wiki/)
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and the [Enterprise Edition](https://www.hivemq.com/docs/hivemq/4.7/user-guide/).
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## Using HiveMQ CE/EE
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HiveMQ provides different editions of on [Docker Hub](https://hub.docker.com/u/hivemq):
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- the open source [Community Edition](https://github.com/hivemq/hivemq-community-edition) which
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is published as *hivemq/hivemq-ce*.
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- the [Enterprise Edition](https://www.hivemq.com/docs/hivemq/4.7/user-guide/) which is published as *hivemq/hivemq4*.
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Both editions can be used directly:
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Using the Community Edition:
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<!--codeinclude-->
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[Community Edition HiveMQ image](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoHiveMQContainerIT.java) inside_block:ceVersion
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<!--/codeinclude-->
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Using the Enterprise Edition:
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<!--codeinclude-->
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[Enterprise Edition HiveMQ image](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoHiveMQContainerIT.java) inside_block:eeVersion
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<!--/codeinclude-->
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Using a specifc version is possible by using the tag:
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<!--codeinclude-->
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[Specific HiveMQ Version](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoHiveMQContainerIT.java) inside_block:specificVersion
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<!--/codeinclude-->
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## Test your MQTT 3 and MQTT 5 client application
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Using an Mqtt-client (e.g. the [HiveMQ-Mqtt-Client](https://github.com/hivemq/hivemq-mqtt-client)) you can start
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testing directly.
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<!--codeinclude-->
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[MQTT5 Client](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoHiveMQContainerIT.java) inside_block:mqtt5client
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<!--/codeinclude-->
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## Settings
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There are several things that can be adjusted before container setup.
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The following example shows how to enable the Control Center (this is an enterprise feature), set the log level to DEBUG
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and load a HiveMQ-config-file from the classpath.
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<!--codeinclude-->
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[Config Examples](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoHiveMQContainerIT.java) inside_block:eeVersionWithControlCenter
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<!--/codeinclude-->
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---
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**Note:**
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The Control Center of HiveMQ can be accessed via the URL presented in the output of the starting container:
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```
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2021-09-10 10:35:53,511 INFO - The HiveMQ Control Center is reachable under: http://localhost:55032
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```
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Please be aware that the Control Center is a feature of the enterprise edition of HiveMQ and thus only available with
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the enterprise image.
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---
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## Testing HiveMQ extensions
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Using the [Extension SDK](https://github.com/hivemq/hivemq-extension-sdk) the functionality of all editions of HiveMQ
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can be extended.
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The HiveMQ module also supports testing your own custom extensions.
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### Wait Strategy
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The raw HiveMQ module is built to wait for certain startup log messages to signal readiness.
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Since extensions are loaded dynamically they can be available a short while after the main container has started.
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We therefore provide custom wait conditions for HiveMQ Extensions:
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The following will specify an extension to be loaded from **src/test/resources/modifier-extension** into the container and
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wait for an extension named **'My Extension Name'** to be started:
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<!--codeinclude-->
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[Custom Wait Strategy](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoExtensionTestsIT.java) inside_block:waitStrategy
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<!--/codeinclude-->
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Next up we have an example for using an extension directly from the classpath and waiting directly on the extension:
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<!--codeinclude-->
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[Extension from Classpath](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoExtensionTestsIT.java) inside_block:extensionClasspath
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<!--/codeinclude-->
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---
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**Note** Debugging extensions
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Both examples contain ```.withDebugging()``` which enables remote debugging on the container.
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With debugging enabled you can start putting breakpoints right into your extensions.
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---
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### Testing extensions using Gradle
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In a Gradle based HiveMQ Extension project, testing is supported using the dedicated [HiveMQ Extension Gradle Plugin](https://github.com/hivemq/hivemq-extension-gradle-plugin/README.md).
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The plugin adds an `integrationTest` task which executes tests from the `integrationTest` source set.
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- Integration test source files are defined in `src/integrationTest`.
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- Integration test dependencies are defined via the `integrationTestImplementation`, `integrationTestRuntimeOnly`, etc. configurations.
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The `integrationTest` task builds the extension and unzips it to the `build/hivemq-extension-test` directory.
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The tests can then load the built extension into the HiveMQ Testcontainer.
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<!--codeinclude-->
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[Extension from filesystem](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:startFromFilesystem
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<!--/codeinclude-->
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### Enable/Disable an extension
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It is possible to enable and disable HiveMQ extensions during runtime. Extensions can also be disabled on startup.
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---
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**Note**: that disabling or enabling of extension during runtime is only supported in HiveMQ 4 Enterprise Edition Containers.
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---
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The following example shows how to start a HiveMQ container with the extension called **my-extension** being disabled.
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<!--codeinclude-->
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[Disable Extension at startup](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:startDisabled
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<!--/codeinclude-->
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The following test then proceeds to enable and then disable the extension:
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<!--codeinclude-->
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[Enable/Disable extension at runtime](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:runtimeEnable
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<!--/codeinclude-->
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## Enable/Disable an extension loaded from a folder
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Extensions loaded from an extension folder during runtime can also be enabled/disabled on the fly.
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If the extension folder contains a DISABLED file, the extension will be disabled during startup.
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---
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**Note**: that disabling or enabling of extension during runtime is only supported in HiveMQ 4 Enterprise Edition Containers.
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---
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We first load the extension from the filesytem:
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<!--codeinclude-->
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[Extension from filesystem](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:startFromFilesystem
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<!--/codeinclude-->
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Now we can enable/disable the extension using its name:
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<!--codeinclude-->
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[Enable/Disable extension at runtime](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:runtimeEnableFilesystem
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<!--/codeinclude-->
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### Remove prepackaged HiveMQ Extensions
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Since HiveMQ's 4.4 release, HiveMQ Docker images come with the HiveMQ Extension for Kafka, the HiveMQ Enterprise Bridge Extension
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and the HiveMQ Enterprise Security Extension.
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These Extensions are disabled by default, but sometimes you my need to remove them before the container starts.
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Removing all extension is as simple as:
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<!--codeinclude-->
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[Remove all extensions](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:noExtensions
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<!--/codeinclude-->
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A single extension (e.g. Kafka) can be removed as easily:
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<!--codeinclude-->
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[Remove a specific extension](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoDisableExtensionsIT.java) inside_block:noKafkaExtension
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<!--/codeinclude-->
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## Put files into the container
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### Put a file into HiveMQ home
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<!--codeinclude-->
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[Put file into HiveMQ home](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoFilesIT.java) inside_block:hivemqHome
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<!--/codeinclude-->
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### Put files into extension home
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<!--codeinclude-->
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[Put file into HiveMQ-Extension home](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoFilesIT.java) inside_block:extensionHome
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<!--/codeinclude-->
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### Put license files into the container
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<!--codeinclude-->
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[Put license file into the HiveMQ container](../../modules/hivemq/src/test/java/org/testcontainers/hivemq/docs/DemoFilesIT.java) inside_block:withLicenses
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<!--/codeinclude-->
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### Customize the Container further
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Since the `HiveMQContainer` extends from [Testcontainer's](https://github.com/testcontainers) `GenericContainer` the container
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can be customized as desired.
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## Add to your project
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### Gradle
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Add to `build.gradle`:
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````groovy
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testImplementation 'org.testcontainers:hivemq:{{latest_version}}'
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````
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Add to `build.gradle.kts`:
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````kotlin
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testImplementation("org.testcontainers:hivemq:{{latest_version}}")
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````
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### Maven
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Add to `pom.xml`:
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```xml
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<dependency>
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<groupId>org.testcontainers</groupId>
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<artifactId>hivemq</artifactId>
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<version>{{latest_version}}</version>
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<scope>test</scope>
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</dependency>
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```

‎docs/modules_logos/hivemq-module.png‎

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‎mkdocs.yml‎

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- modules/docker_compose.md
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- modules/elasticsearch.md
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- modules/gcloud.md
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- modules/hivemq.md
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- modules/k3s.md
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- modules/kafka.md
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- modules/localstack.md

‎modules/hivemq/build.gradle‎

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description = "TestContainers :: HiveMQ"
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dependencies {
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api(project(":testcontainers"))
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api("org.jetbrains:annotations:23.0.0")
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shaded("org.apache.commons:commons-lang3:3.12.0")
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shaded("commons-io:commons-io:2.11.0")
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shaded("org.javassist:javassist:3.28.0-GA")
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shaded("org.jboss.shrinkwrap:shrinkwrap-api:1.2.6")
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shaded("org.jboss.shrinkwrap:shrinkwrap-impl-base:1.2.6")
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shaded("net.lingala.zip4j:zip4j:2.9.1")
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testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
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testImplementation(project(":junit-jupiter"))
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testImplementation("com.hivemq:hivemq-extension-sdk:4.7.3")
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testImplementation("com.hivemq:hivemq-mqtt-client:1.3.0")
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testImplementation("org.apache.httpcomponents:httpclient:4.5.13")
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testImplementation("ch.qos.logback:logback-classic:1.2.10")
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testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.2")
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}
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test {
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useJUnitPlatform()
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testLogging {
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events "passed", "skipped", "failed"
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}
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javaLauncher = javaToolchains.launcherFor {
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languageVersion = JavaLanguageVersion.of(11)
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}
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}
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compileTestJava {
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javaCompiler = javaToolchains.compilerFor {
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languageVersion = JavaLanguageVersion.of(11)
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}
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}

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