Created class KotlinDslGradleBuildAssert enhances spring-iogh-1348

initializr-generator-test/src/main/java/io/spring/initializr/generator/test/buildsystem/gradle/KotlinDslGradleBuildAssert.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2012-2019 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.initializr.generator.test.buildsystem.gradle;
+
+import java.nio.file.Path;
+
+import io.spring.initializr.generator.test.io.AbstractTextAssert;
+import io.spring.initializr.generator.test.io.TextTestUtils;
+
+/**
+ * Simple assertions for a kotlin build using the kotlin DSL.
+ *
+ * @author Prithvi singh
+ */
+public class KotlinDslGradleBuildAssert extends AbstractTextAssert<KotlinDslGradleBuildAssert> {
+
+	public KotlinDslGradleBuildAssert(String content) {
+		super(content, KotlinDslGradleBuildAssert.class);
+	}
+
+	public KotlinDslGradleBuildAssert(Path buildGradleFile) {
+		this(TextTestUtils.readContent(buildGradleFile));
+	}
+
+	/**
+	 * Assert {@code build.gradle.kts} defines a plugin with the specified id and version.
+	 * @param id the id of the plugin
+	 * @param version the version of the plugin
+	 * @return {@code this} assertion object
+	 */
+	public KotlinDslGradleBuildAssert hasPlugin(String id, String version) {
+		return contains(String.format("id('%s') version '%s'", id, version));
+	}
+
+	/**
+	 * Assert {@code build.gradle.kts} defines a plugin with the specified id.
+	 * @param id the id of the plugin
+	 * @return {@code this} assertion object
+	 */
+	public KotlinDslGradleBuildAssert hasPlugin(String id) {
+		return contains(String.format("id('%s')", id));
+	}
+
+	/**
+	 * Assert {@code build.gradle.kts} uses the specified {@code version}.
+	 * @param version the version of the build
+	 * @return {@code this} assertion object
+	 */
+	public KotlinDslGradleBuildAssert hasVersion(String version) {
+		return hasProperty("version", version);
+	}
+
+	/**
+	 * Assert {@code build.gradle.kts} uses a source compatibility for the specified java
+	 * version.
+	 * @param javaVersion the java version
+	 * @return {@code this} assertion object
+	 */
+	public KotlinDslGradleBuildAssert hasSourceCompatibility(String javaVersion) {
+		return hasProperty("sourceCompatibility", javaVersion);
+	}
+
+	/**
+	 * Assert {@code build.gradle.kts} defines a top-level property with the specified
+	 * name and value.
+	 * @param name the name of the property
+	 * @param value the value
+	 * @return {@code this} assertion object
+	 */
+	public KotlinDslGradleBuildAssert hasProperty(String name, String value) {
+		return contains(String.format("%s = '%s'", name, value));
+	}
+
+}