Add unit tests for getConfigResources in ModuleDefinitionSet and improve context readability

framework/spring/module/src/test/java/org/apache/cloudstack/spring/module/factory/ModuleBasedContextFactoryTest.java

@@ -18,27 +18,31 @@
  */
 package org.apache.cloudstack.spring.module.factory;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-
-import java.io.IOException;
-import java.util.Collection;
-
+import org.apache.cloudstack.spring.module.locator.impl.ClasspathModuleDefinitionLocator;
+import org.apache.cloudstack.spring.module.model.ModuleDefinition;
+import org.apache.cloudstack.spring.module.model.ModuleDefinitionSet;
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.context.ApplicationContext;
+import org.springframework.core.io.Resource;
 
-import org.apache.cloudstack.spring.module.locator.impl.ClasspathModuleDefinitionLocator;
-import org.apache.cloudstack.spring.module.model.ModuleDefinition;
-import org.apache.cloudstack.spring.module.model.ModuleDefinitionSet;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 public class ModuleBasedContextFactoryTest {
 
     Collection<ModuleDefinition> defs;
+    ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
 
     @Before
     public void setUp() throws IOException {
@@ -51,8 +55,6 @@ public void setUp() throws IOException {
     @Test
     public void testLoad() throws IOException {
 
-        ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
-
         ModuleDefinitionSet set = factory.loadModules(defs, "base");
 
         assertNotNull(set.getApplicationContext("base"));
@@ -63,8 +65,6 @@ public void testOverride() throws IOException {
 
         InitTest.initted = false;
 
-        ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
-
         ModuleDefinitionSet set = factory.loadModules(defs, "base");
 
         assertTrue(!InitTest.initted);
@@ -73,7 +73,6 @@ public void testOverride() throws IOException {
 
     @Test
     public void testExcluded() throws IOException {
-        ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
         ModuleDefinitionSet set = factory.loadModules(defs, "base");
 
         assertNull(set.getApplicationContext("excluded"));
@@ -83,7 +82,6 @@ public void testExcluded() throws IOException {
 
     @Test
     public void testBeans() throws IOException {
-        ModuleBasedContextFactory factory = new ModuleBasedContextFactory();
         ModuleDefinitionSet set = factory.loadModules(defs, "base");
 
         testBeansInContext(set, "base", 1, new String[] {"base"}, new String[] {"child1", "child2", "child1-1"});
@@ -92,6 +90,51 @@ public void testBeans() throws IOException {
         testBeansInContext(set, "child1-1", 3, new String[] {"base", "child1", "child1-1"}, new String[] {"child2"});
     }
 
+    @Test
+    public void testEmptyNameConfigResources() throws IOException {
+        ModuleDefinitionSet set = factory.loadModules(defs, "base");
+        testConfigResourcesArray(new String[] {}, set.getConfigResources(""));
+    }
+
+    @Test
+    public void testBaseConfigResources() throws IOException {
+        ModuleDefinitionSet set = factory.loadModules(defs, "base");
+        testConfigResourcesArray(new String[] {"base-context.xml", "base-context-inheritable.xml"}, set.getConfigResources("base"));
+    }
+
+    @Test
+    public void testChild1ConfigResources() throws IOException {
+        ModuleDefinitionSet set = factory.loadModules(defs, "base");
+        testConfigResourcesArray(new String[] {
+                "child1-context.xml", "child1-context-inheritable.xml",
+                "base-context-inheritable.xml", "chil1-context-override.xml"
+        }, set.getConfigResources("child1"));
+    }
+
+    @Test
+    public void testChild2ConfigResources() throws IOException {
+        ModuleDefinitionSet set = factory.loadModules(defs, "base");
+        testConfigResourcesArray(new String[] {
+                "child2-context.xml", "base-context-inheritable.xml"
+        }, set.getConfigResources("child2"));
+    }
+
+    @Test
+    public void testChild11ConfigResources() throws IOException {
+        ModuleDefinitionSet set = factory.loadModules(defs, "base");
+        testConfigResourcesArray(new String[] {
+                "chil1-1-context.xml", "child1-context-inheritable.xml", "base-context-inheritable.xml"
+        }, set.getConfigResources("child1-1"));
+    }
+
+    private void testConfigResourcesArray(String[] expected, Resource[] actual) {
+        assertEquals(expected.length, actual.length);
+        List<String> actualFileNameList = Arrays.stream(actual).map(Resource::getFilename).collect(Collectors.toList());
+        for (int i = 0; i < expected.length; i++) {
+            assertEquals(expected[i], actualFileNameList.get(i));
+        }
+    }
+
     protected void testBeansInContext(ModuleDefinitionSet set, String name, int order, String[] parents, String[] notTheres) {
         ApplicationContext context = set.getApplicationContext(name);
 

framework/spring/module/src/test/resources/testhierarchy/child1/child1-context-inheritable.xml

@@ -0,0 +1,24 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you 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.
+-->
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+                      http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+</beans>