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| # graal-native-image-test | ||
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| This Maven module contains integration tests for using Gson in a GraalVM Native Image. | ||
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| Execution requires using GraalVM as JDK, and can be quite resource intensive. Native Image tests are therefore not enabled by default and the tests are only executed as regular unit tests. To run Native Image tests, make sure your `PATH` and `JAVA_HOME` environment variables point to GraalVM and then run: | ||
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| ``` | ||
| mvn clean test --activate-profiles native-image-test | ||
| ``` | ||
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| Technically it would also be possible to directly configure Native Image test execution for the `gson` module instead of having this separate Maven module. However, maintaining the reflection metadata for the unit tests would be quite cumbersome and would hinder future changes to the `gson` unit tests because many of them just happen to use reflection, without all of them being relevant for Native Image testing. | ||
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| ## Reflection metadata | ||
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| Native Image creation requires configuring which class members are accessed using reflection, see the [GraalVM documentation](https://www.graalvm.org/22.3/reference-manual/native-image/metadata/#specifying-reflection-metadata-in-json). | ||
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| The file [`reflect-config.json`](./src/test/resources/META-INF/native-image/reflect-config.json) contains this reflection metadata. | ||
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| You can also run with `-Dagent=true` to let the Maven plugin automatically generate a metadata file, see the [plugin documentation](https://graalvm.github.io/native-build-tools/latest/maven-plugin.html#agent-support-running-tests). |
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| <!-- | ||
| Copyright 2023 Google Inc. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| --> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
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| <modelVersion>4.0.0</modelVersion> | ||
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| <parent> | ||
| <groupId>com.google.code.gson</groupId> | ||
| <artifactId>gson-parent</artifactId> | ||
| <version>2.10.2-SNAPSHOT</version> | ||
| </parent> | ||
| <artifactId>graal-native-image-test</artifactId> | ||
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| <properties> | ||
| <!-- GraalVM is JDK >= 17, however for build with regular JDK these tests | ||
| are also executed with JDK 11, so for them exclude JDK 17 specific tests --> | ||
| <maven.compiler.testRelease>11</maven.compiler.testRelease> | ||
| <excludeTestCompilation>**/Java17*</excludeTestCompilation> | ||
| </properties> | ||
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| <dependencies> | ||
| <dependency> | ||
| <groupId>com.google.code.gson</groupId> | ||
| <artifactId>gson</artifactId> | ||
| <version>${project.parent.version}</version> | ||
| </dependency> | ||
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| <!-- Graal Native Maven Plugin requires using JUnit Platform (JUnit 5), see | ||
| https://graalvm.github.io/native-build-tools/latest/maven-plugin.html#testing-support | ||
| This also supports using JUnit Vintage to run JUnit 4 tests, but for simplicity | ||
| completely use JUnit 5 here and no JUnit 4 at all --> | ||
| <dependency> | ||
| <groupId>org.junit.jupiter</groupId> | ||
| <artifactId>junit-jupiter</artifactId> | ||
| <version>5.10.0</version> | ||
| <scope>test</scope> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>com.google.truth</groupId> | ||
| <artifactId>truth</artifactId> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| </dependencies> | ||
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| <build> | ||
| <pluginManagement> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>com.github.siom79.japicmp</groupId> | ||
| <artifactId>japicmp-maven-plugin</artifactId> | ||
| <configuration> | ||
| <!-- This module is not supposed to be consumed as library, so no need to check API --> | ||
| <skip>true</skip> | ||
| </configuration> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.codehaus.mojo</groupId> | ||
| <artifactId>animal-sniffer-maven-plugin</artifactId> | ||
| <configuration> | ||
| <!-- This module is not supposed to be consumed as library, so no need to check used classes --> | ||
| <skip>true</skip> | ||
| </configuration> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-jar-plugin</artifactId> | ||
| <configuration> | ||
| <!-- This module has no 'main' source code; skip creating JAR and avoid warning on console --> | ||
| <skipIfEmpty>true</skipIfEmpty> | ||
| </configuration> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-install-plugin</artifactId> | ||
| <configuration> | ||
| <!-- This module has no 'main' source code, so no JAR is created which could be installed; | ||
| see maven-jar-plugin configuration above --> | ||
| <skip>true</skip> | ||
| </configuration> | ||
| </plugin> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-deploy-plugin</artifactId> | ||
| <configuration> | ||
| <!-- Not deployed --> | ||
| <skip>true</skip> | ||
| </configuration> | ||
| </plugin> | ||
| </plugins> | ||
| </pluginManagement> | ||
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| <plugins> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-compiler-plugin</artifactId> | ||
| <executions> | ||
| <!-- Adjust standard `default-testCompile` execution --> | ||
| <execution> | ||
| <id>default-testCompile</id> | ||
| <phase>test-compile</phase> | ||
| <goals> | ||
| <goal>testCompile</goal> | ||
| </goals> | ||
| <configuration> | ||
| <testExcludes> | ||
| <exclude>${excludeTestCompilation}</exclude> | ||
| </testExcludes> | ||
| </configuration> | ||
| </execution> | ||
| </executions> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
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| <profiles> | ||
| <profile> | ||
| <id>JDK17</id> | ||
| <activation> | ||
| <jdk>[17,)</jdk> | ||
| </activation> | ||
| <properties> | ||
| <maven.compiler.testRelease>17</maven.compiler.testRelease> | ||
| <excludeTestCompilation /> | ||
| </properties> | ||
| </profile> | ||
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| <profile> | ||
| <id>native-image-test</id> | ||
| <activation> | ||
| <activeByDefault>false</activeByDefault> | ||
| </activation> | ||
| <build> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.graalvm.buildtools</groupId> | ||
| <artifactId>native-maven-plugin</artifactId> | ||
| <version>0.9.24</version> | ||
| <extensions>true</extensions> | ||
| <executions> | ||
| <execution> | ||
| <id>test-native</id> | ||
| <goals> | ||
| <goal>test</goal> | ||
| </goals> | ||
| <configuration> | ||
| <quickBuild>true</quickBuild> | ||
| </configuration> | ||
| </execution> | ||
| </executions> | ||
| <dependencies> | ||
| <!-- Workaround for https://github.com/graalvm/native-build-tools/issues/418 --> | ||
| <dependency> | ||
| <groupId>org.codehaus.plexus</groupId> | ||
| <artifactId>plexus-utils</artifactId> | ||
| <!-- Don't upgrade version to >= 4 because that seems to contain potentially backward | ||
| incompatible changes --> | ||
| <version>3.5.1</version> | ||
| </dependency> | ||
| </dependencies> | ||
| </plugin> | ||
| </plugins> | ||
| </build> | ||
| </profile> | ||
| </profiles> | ||
| </project> |
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