Add DGS testing dependency automatically for DGS apps

Closes gh-1563

start-site/src/main/java/io/spring/start/site/extension/dependency/dgs/DgsBuildCustomizer.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012-2024 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 io.spring.start.site.extension.dependency.dgs;
+
+import io.spring.initializr.generator.buildsystem.Build;
+import io.spring.initializr.generator.buildsystem.Dependency;
+import io.spring.initializr.generator.buildsystem.DependencyScope;
+import io.spring.initializr.generator.spring.build.BuildCustomizer;
+
+/**
+ * A {@link BuildCustomizer} that automatically adds
+ * "graphql-dgs-spring-graphql-starter-test" when the {@code dgs} dependency is present.
+ *
+ * @author Brian Clozel
+ */
+class DgsBuildCustomizer implements BuildCustomizer<Build> {
+
+	@Override
+	public void customize(Build build) {
+		build.dependencies()
+			.add("graphql-dgs-spring-graphql-starter-test",
+					Dependency.withCoordinates("com.netflix.graphql.dgs", "graphql-dgs-spring-graphql-starter-test")
+						.scope(DependencyScope.TEST_COMPILE));
+	}
+
+}

start-site/src/main/java/io/spring/start/site/extension/dependency/dgs/DgsProjectGenerationConfiguration.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2012-2023 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 io.spring.start.site.extension.dependency.dgs;
+
+import io.spring.initializr.generator.condition.ConditionalOnRequestedDependency;
+import io.spring.initializr.generator.project.ProjectGenerationConfiguration;
+
+import org.springframework.context.annotation.Bean;
+
+/**
+ * {@link ProjectGenerationConfiguration} for generation of projects that use the Netflix
+ * DGS.
+ *
+ * @author Brian Clozel
+ */
+@ProjectGenerationConfiguration
+@ConditionalOnRequestedDependency("netflix-dgs")
+class DgsProjectGenerationConfiguration {
+
+	@Bean
+	DgsBuildCustomizer dgsBuildCustomizer() {
+		return new DgsBuildCustomizer();
+	}
+
+}

start-site/src/main/resources/META-INF/spring.factories

@@ -7,6 +7,7 @@ io.spring.start.site.extension.dependency.activemq.ActiveMQProjectGenerationConf
 io.spring.start.site.extension.dependency.activemq.ArtemisProjectGenerationConfiguration,\
 io.spring.start.site.extension.dependency.cassandra.CassandraProjectGenerationConfiguration,\
 io.spring.start.site.extension.dependency.derby.DerbyProjectGenerationConfiguration,\
+io.spring.start.site.extension.dependency.dgs.DgsProjectGenerationConfiguration,\
 io.spring.start.site.extension.dependency.dgs.DgsCodegenProjectGenerationConfiguration,\
 io.spring.start.site.extension.dependency.dockercompose.DockerComposeProjectGenerationConfiguration,\
 io.spring.start.site.extension.dependency.elasticsearch.ElasticsearchProjectGenerationConfiguration,\

start-site/src/test/java/io/spring/start/site/extension/dependency/dgs/DgsBuildCustomizerTests.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2012-2024 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 io.spring.start.site.extension.dependency.dgs;
+
+import io.spring.initializr.metadata.Dependency;
+import io.spring.initializr.web.project.ProjectRequest;
+import io.spring.start.site.extension.AbstractExtensionTests;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class DgsBuildCustomizerTests extends AbstractExtensionTests {
+
+	private Dependency dgsTest;
+
+	@BeforeEach
+	void setup() {
+		this.dgsTest = Dependency.withId("graphql-dgs-spring-graphql-starter-test", "com.netflix.graphql.dgs",
+				"graphql-dgs-spring-graphql-starter-test");
+		this.dgsTest.setScope(Dependency.SCOPE_TEST);
+	}
+
+	@Test
+	void shouldAddTestingDependency() {
+		ProjectRequest request = createProjectRequest("web", "netflix-dgs");
+		assertThat(mavenPom(request)).hasDependency(Dependency.createSpringBootStarter("web"))
+			.hasDependency(Dependency.createSpringBootStarter("test", Dependency.SCOPE_TEST))
+			.hasDependency(this.dgsTest)
+			.hasDependenciesSize(4);
+	}
+
+}