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JavaPluginActionIntegrationTests.java
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JavaPluginActionIntegrationTests.java
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/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.boot.gradle.plugin;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.HashSet;
import java.util.Set;
import java.util.jar.JarOutputStream;
import org.gradle.testkit.runner.BuildResult;
import org.gradle.testkit.runner.TaskOutcome;
import org.gradle.util.GradleVersion;
import org.junit.jupiter.api.TestTemplate;
import org.springframework.boot.gradle.junit.GradleCompatibility;
import org.springframework.boot.testsupport.gradle.testkit.GradleBuild;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Integration tests for {@link JavaPluginAction}.
*
* @author Andy Wilkinson
*/
@GradleCompatibility(configurationCache = true)
class JavaPluginActionIntegrationTests {
GradleBuild gradleBuild;
@TestTemplate
void noBootJarTaskWithoutJavaPluginApplied() {
assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootJar").getOutput())
.contains("bootJar exists = false");
}
@TestTemplate
void applyingJavaPluginCreatesBootJarTask() {
assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootJar", "-PapplyJavaPlugin").getOutput())
.contains("bootJar exists = true");
}
@TestTemplate
void noBootRunTaskWithoutJavaPluginApplied() {
assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootRun").getOutput())
.contains("bootRun exists = false");
}
@TestTemplate
void applyingJavaPluginCreatesBootRunTask() {
assertThat(this.gradleBuild.build("taskExists", "-PtaskName=bootRun", "-PapplyJavaPlugin").getOutput())
.contains("bootRun exists = true");
}
@TestTemplate
void javaCompileTasksUseUtf8Encoding() {
assertThat(this.gradleBuild.build("javaCompileEncoding", "-PapplyJavaPlugin").getOutput())
.contains("compileJava = UTF-8").contains("compileTestJava = UTF-8");
}
@TestTemplate
void javaCompileTasksUseParametersCompilerFlagByDefault() {
assertThat(this.gradleBuild.build("javaCompileTasksCompilerArgs").getOutput())
.contains("compileJava compiler args: [-parameters]")
.contains("compileTestJava compiler args: [-parameters]");
}
@TestTemplate
void javaCompileTasksUseParametersAndAdditionalCompilerFlags() {
assertThat(this.gradleBuild.build("javaCompileTasksCompilerArgs").getOutput())
.contains("compileJava compiler args: [-parameters, -Xlint:all]")
.contains("compileTestJava compiler args: [-parameters, -Xlint:all]");
}
@TestTemplate
void javaCompileTasksCanOverrideDefaultParametersCompilerFlag() {
assertThat(this.gradleBuild.build("javaCompileTasksCompilerArgs").getOutput())
.contains("compileJava compiler args: [-Xlint:all]")
.contains("compileTestJava compiler args: [-Xlint:all]");
}
@TestTemplate
void assembleRunsBootJarAndJar() {
BuildResult result = this.gradleBuild.build("assemble");
assertThat(result.task(":bootJar").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.task(":jar").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
File buildLibs = new File(this.gradleBuild.getProjectDir(), "build/libs");
assertThat(buildLibs.listFiles()).containsExactlyInAnyOrder(
new File(buildLibs, this.gradleBuild.getProjectDir().getName() + ".jar"),
new File(buildLibs, this.gradleBuild.getProjectDir().getName() + "-plain.jar"));
}
@TestTemplate
void errorMessageIsHelpfulWhenMainClassCannotBeResolved() {
BuildResult result = this.gradleBuild.buildAndFail("build", "-PapplyJavaPlugin");
assertThat(result.task(":bootJar").getOutcome()).isEqualTo(TaskOutcome.FAILED);
assertThat(result.getOutput()).contains("Main class name has not been configured and it could not be resolved");
}
@TestTemplate
void additionalMetadataLocationsConfiguredWhenProcessorIsPresent() throws IOException {
createMinimalMainSource();
File libs = new File(this.gradleBuild.getProjectDir(), "libs");
libs.mkdirs();
new JarOutputStream(new FileOutputStream(new File(libs, "spring-boot-configuration-processor-1.2.3.jar")))
.close();
BuildResult result = this.gradleBuild.build("compileJava");
assertThat(result.task(":compileJava").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("compileJava compiler args: [-parameters, -Aorg.springframework.boot."
+ "configurationprocessor.additionalMetadataLocations="
+ new File(this.gradleBuild.getProjectDir(), "src/main/resources").getCanonicalPath());
}
@TestTemplate
void additionalMetadataLocationsNotConfiguredWhenProcessorIsAbsent() throws IOException {
createMinimalMainSource();
BuildResult result = this.gradleBuild.build("compileJava");
assertThat(result.task(":compileJava").getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
assertThat(result.getOutput()).contains("compileJava compiler args: [-parameters]");
}
@TestTemplate
void applyingJavaPluginCreatesDevelopmentOnlyConfiguration() {
assertThat(this.gradleBuild
.build("configurationExists", "-PconfigurationName=developmentOnly", "-PapplyJavaPlugin").getOutput())
.contains("developmentOnly exists = true");
}
@TestTemplate
void productionRuntimeClasspathIsConfiguredWithAttributes() {
assertThat(this.gradleBuild
.build("configurationAttributes", "-PconfigurationName=productionRuntimeClasspath", "-PapplyJavaPlugin")
.getOutput()).contains("3 productionRuntimeClasspath attributes:")
.contains("org.gradle.usage: java-runtime").contains("org.gradle.libraryelements: jar")
.contains("org.gradle.dependency.bundling: external");
}
@TestTemplate
void productionRuntimeClasspathIsConfiguredWithResolvabilityAndConsumabilityThatMatchesRuntimeClasspath() {
String runtime = this.gradleBuild.build("configurationResolvabilityAndConsumability",
"-PconfigurationName=runtimeClasspath", "-PapplyJavaPlugin").getOutput();
assertThat(runtime).contains("canBeResolved: true");
assertThat(runtime).contains("canBeConsumed: false");
String productionRuntime = this.gradleBuild.build("configurationResolvabilityAndConsumability",
"-PconfigurationName=productionRuntimeClasspath", "-PapplyJavaPlugin").getOutput();
assertThat(productionRuntime).contains("canBeResolved: true");
assertThat(productionRuntime).contains("canBeConsumed: false");
}
@TestTemplate
void taskConfigurationIsAvoided() throws IOException {
BuildResult result = this.gradleBuild.build("help");
String output = result.getOutput();
BufferedReader reader = new BufferedReader(new StringReader(output));
String line;
Set<String> configured = new HashSet<>();
while ((line = reader.readLine()) != null) {
if (line.startsWith("Configuring :")) {
configured.add(line.substring("Configuring :".length()));
}
}
if (!this.gradleBuild.isConfigurationCache() && GradleVersion.version(this.gradleBuild.getGradleVersion())
.compareTo(GradleVersion.version("7.3.3")) < 0) {
assertThat(configured).containsExactly("help");
}
else {
assertThat(configured).containsExactlyInAnyOrder("help", "clean");
}
}
private void createMinimalMainSource() throws IOException {
File examplePackage = new File(this.gradleBuild.getProjectDir(), "src/main/java/com/example");
examplePackage.mkdirs();
new File(examplePackage, "Application.java").createNewFile();
}
}