Minor formatting changes in unit test for component config loader
Change-Id: Ifa6e69d09d902d6c894fac4878a18b864c8ec4e3
diff --git a/core/net/src/test/java/org/onosproject/cfg/impl/ComponentConfigLoaderTest.java b/core/net/src/test/java/org/onosproject/cfg/impl/ComponentConfigLoaderTest.java
new file mode 100644
index 0000000..856092e
--- /dev/null
+++ b/core/net/src/test/java/org/onosproject/cfg/impl/ComponentConfigLoaderTest.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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
+ *
+ * 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.
+ */
+
+package org.onosproject.cfg.impl;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.io.Files;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.cfg.ComponentConfigAdapter;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Set;
+
+import static com.google.common.io.ByteStreams.toByteArray;
+import static com.google.common.io.Files.write;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.onlab.junit.TestTools.assertAfter;
+
+/**
+ * UnitTest for ComponentLoader.
+ */
+public class ComponentConfigLoaderTest {
+
+ static final File TEST_DIR = Files.createTempDir();
+
+ private static final String FOO_COMPONENT = "fooComponent";
+
+ private ComponentConfigLoader loader;
+
+ private TestConfigService service;
+
+ /*
+ * Method to SetUp the test environment with test file, a config loader a service,
+ * and assign it to the loader.configService for the test.
+ */
+ @Before
+ public void setUp() {
+ ComponentConfigLoader.cfgFile = new File(TEST_DIR, "test.json");
+ loader = new ComponentConfigLoader();
+ service = new TestConfigService();
+ loader.configService = service;
+ }
+
+ /*
+ * Tests that the component in the json receives the correct configuration.
+ */
+ @Test
+ public void basics() throws IOException {
+ stageTestResource("basic.json");
+ loader.activate();
+ assertAfter(1_000, () -> assertEquals("incorrect component", FOO_COMPONENT, service.component));
+ }
+
+ /*
+ * Tests that the component is null if the file has a bad configuration format
+ * for which it yielded an exception. Can't test the exception because it happens
+ * in a different thread,
+ */
+ @Test
+ public void badConfig() throws IOException {
+ stageTestResource("badConfig.json");
+ loader.activate();
+ assertAfter(1_000, () -> assertNull("incorrect component", service.component));
+
+ }
+
+ /*
+ * Writes the necessary file for the tests in the temporary directory
+ */
+ static void stageTestResource(String name) throws IOException {
+ byte[] bytes = toByteArray(ComponentConfigLoaderTest.class.getResourceAsStream(name));
+ write(bytes, ComponentConfigLoader.cfgFile);
+ }
+
+ /*
+ * Mockup class for the config service.
+ */
+ private class TestConfigService extends ComponentConfigAdapter {
+
+ private String component;
+ private String name;
+ private String value;
+
+ @Override
+ public Set<String> getComponentNames() {
+ return ImmutableSet.of(FOO_COMPONENT);
+ }
+
+ @Override
+ public void setProperty(String componentName, String name, String value) {
+ this.component = componentName;
+ this.name = name;
+ this.value = value;
+
+ }
+ }
+}
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