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= Meecrowave Testing
:jbake-date: 2016-10-24
:jbake-type: page
:jbake-status: published
:jbake-meecrowavepdf:
:jbake-meecrowavetitleicon: icon icon_puzzle_alt
:jbake-meecrowavecolor: body-blue
:icons: font
== JUnit
Coordinates:
[source,xml]
----
<dependency>
<groupId>org.apache.meecrowave</groupId>
<artifactId>meecrowave-junit</artifactId>
<version>${meecrowave.version}</version>
<scope>test</scope>
</dependency>
----
=== Rules and Runners
Meecrowave provides two flavors of JUnit integration: standalone or runners/rules. The standalone one will
ensure there is a single container for the whole JVM. It also fits standalone environments where you want to control the lifecycle.
The other one will follow the JUnit lifecycle (per class or test rule).
Here how to use the standalone flavor:
[source,java]
----
@RunWith(MonoMeecrowave.Runner.class)
public class MonoMeecrowaveRuleTest {
/* or
@ClassRule
public static final MonoMeecrowave.Rule RULE = new MonoMeecrowave.Rule();
*/
@MonoMeecrowave.Runner.ConfigurationInject
private Meecrowave.Builder config;
@Test
public void test() throws IOException {
// use "http://localhost:" + config.getHttpPort()
}
}
----
When using the standalone, `@MonoMeecrowave.Runner.ConfigurationInject` allows to still
access the configuration and random HTTP port.
For the configuration, the standalone runner will use a global configuration shared by all tests. To load it
it will use a standard `ServiceLoader` on type `org.apache.meecrowave.Meecrowave$ConfigurationCustomizer`.
And here is the one bound to the JUnit lifecycle
[source,java]
----
public class MeecrowaveRuleTest {
@ClassRule // started once for the class, @Rule would be per method
public static final MeecrowaveRule RULE = new MeecrowaveRule();
@Test
public void test() throws IOException {
// use "http://localhost:" + RULE.getConfiguration().getHttpPort()
}
}
----
As usual with JUnit rules, you can decide whereas the Meecrowave instance is bound to the entire test class
or a method by using @ClassRule or @Rule.
=== JUnit 5
JUnit 5 integrates a new `Extension` system. It is not yet very well supported by IDEs but you can already use it with
Gradle and Maven (see http://junit.org/junit5/docs/current/user-guide/#running-tests).
The usage has two annotations: `@MeecrowaveConfig` which remaps most of the configuration of Meecrowave and `@MonoMeecrowaveConfig`
which is close to `MonoMeecrowave.Runner` in term of usage.
[source,java]
----
@MeecrowaveConfig /*(some config)*/
public class MeecrowaveConfigTest {
@ConfigurationInject
private Meecrowave.Builder config;
@Test
public void run() throws MalformedURLException {
final String base = "http://localhost:" + config.getHttpPort();
// asserts
}
}
----
Or
[source,java]
----
@MonoMeecrowaveConfig
public class MeecrowaveConfigTest {
// ...
}
----
TIP: JUnit 5 integration provides an `@AfterFirstInjection` method and `@AfterLastTest`
which can be used to setup/reset some environment using injections once for a set of test methods.
The methods must not have any parameter.
== Arquillian Container
Container dependency:
[source,xml]
----
<dependency>
<groupId>org.apache.meecrowave</groupId>
<artifactId>meecrowave-arquillian</artifactId>
<version>${meecrowave.version}</version>
<scope>test</scope>
</dependency>
----
For the configuration check link:{context_rootpath}/meecrowave-core/configuration.html[Core configuration].
Here is a sample:
[source,xml]
----
include::../../../../../target/generated-doc/ArquillianConfiguration.adoc[]
----