Introduce unit tests for AotMergedContextConfiguration

See gh-1262

Author: sbrannen

spring-native/src/test/java/org/springframework/aot/test/AotMergedContextConfigurationTests.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2019-2021 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.aot.test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.support.GenericApplicationContext;
+import org.springframework.test.context.MergedContextConfiguration;
+import org.springframework.test.context.cache.ContextCache;
+import org.springframework.test.context.support.DelegatingSmartContextLoader;
+
+/**
+ * Unit tests for {@link AotMergedContextConfiguration}.
+ *
+ * @author Sam Brannen
+ */
+class AotMergedContextConfigurationTests {
+
+	private final AotCacheAwareContextLoaderDelegate delegate = new AotCacheAwareContextLoaderDelegate(
+		new AotTestMappings(Map.of(), Map.of()), mock(ContextCache.class));
+
+	private final MergedContextConfiguration mergedConfig = new MergedContextConfiguration(getClass(), null, null,
+		Set.of(DemoApplicationContextInitializer.class), null, new DelegatingSmartContextLoader());
+
+	private final AotMergedContextConfiguration aotMergedConfig1 = new AotMergedContextConfiguration(getClass(),
+		DemoApplicationContextInitializer.class, mergedConfig, delegate, null);
+
+	private final AotMergedContextConfiguration aotMergedConfig2 = new AotMergedContextConfiguration(getClass(),
+		DemoApplicationContextInitializer.class, mergedConfig, delegate, null);
+
+	private final AotMergedContextConfiguration aotMergedConfig3 = new AotMergedContextConfiguration(getClass(),
+		DemoApplicationContextInitializer.class, mergedConfig, delegate, aotMergedConfig1);
+
+	@Test
+	void testEquals() throws Exception {
+		assertThat(aotMergedConfig1).isEqualTo(aotMergedConfig1);
+		assertThat(aotMergedConfig1).isEqualTo(aotMergedConfig2);
+
+		assertThat(mergedConfig).isNotEqualTo(aotMergedConfig1);
+		assertThat(aotMergedConfig1).isNotEqualTo(mergedConfig);
+		assertThat(aotMergedConfig1).isNotEqualTo(aotMergedConfig3);
+	}
+
+	@Test
+	void testHashCode() throws Exception {
+		assertThat(aotMergedConfig1).hasSameHashCodeAs(aotMergedConfig2);
+
+		assertThat(aotMergedConfig1).doesNotHaveSameHashCodeAs(mergedConfig);
+		assertThat(aotMergedConfig1).doesNotHaveSameHashCodeAs(aotMergedConfig3);
+	}
+
+
+	static class DemoApplicationContextInitializer implements ApplicationContextInitializer<GenericApplicationContext> {
+		@Override
+		public void initialize(GenericApplicationContext applicationContext) {
+		}
+	}
+
+}