andrea | 33279c8 | 2015-09-30 15:30:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.cfg.impl; |
| 18 | |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import com.google.common.io.Files; |
| 21 | import org.junit.Before; |
| 22 | import org.junit.Test; |
| 23 | import org.onosproject.cfg.ComponentConfigAdapter; |
| 24 | |
| 25 | import java.io.File; |
| 26 | import java.io.IOException; |
| 27 | import java.util.Set; |
| 28 | |
| 29 | import static com.google.common.io.ByteStreams.toByteArray; |
| 30 | import static com.google.common.io.Files.write; |
| 31 | import static org.junit.Assert.assertEquals; |
| 32 | import static org.junit.Assert.assertNull; |
| 33 | import static org.onlab.junit.TestTools.assertAfter; |
| 34 | |
| 35 | /** |
| 36 | * UnitTest for ComponentLoader. |
| 37 | */ |
| 38 | public class ComponentConfigLoaderTest { |
| 39 | |
| 40 | static final File TEST_DIR = Files.createTempDir(); |
| 41 | |
| 42 | private static final String FOO_COMPONENT = "fooComponent"; |
| 43 | |
| 44 | private ComponentConfigLoader loader; |
| 45 | |
| 46 | private TestConfigService service; |
| 47 | |
| 48 | /* |
| 49 | * Method to SetUp the test environment with test file, a config loader a service, |
| 50 | * and assign it to the loader.configService for the test. |
| 51 | */ |
| 52 | @Before |
| 53 | public void setUp() { |
| 54 | ComponentConfigLoader.cfgFile = new File(TEST_DIR, "test.json"); |
| 55 | loader = new ComponentConfigLoader(); |
| 56 | service = new TestConfigService(); |
| 57 | loader.configService = service; |
| 58 | } |
| 59 | |
| 60 | /* |
| 61 | * Tests that the component in the json receives the correct configuration. |
| 62 | */ |
| 63 | @Test |
| 64 | public void basics() throws IOException { |
| 65 | stageTestResource("basic.json"); |
| 66 | loader.activate(); |
| 67 | assertAfter(1_000, () -> assertEquals("incorrect component", FOO_COMPONENT, service.component)); |
| 68 | } |
| 69 | |
| 70 | /* |
| 71 | * Tests that the component is null if the file has a bad configuration format |
| 72 | * for which it yielded an exception. Can't test the exception because it happens |
| 73 | * in a different thread, |
| 74 | */ |
| 75 | @Test |
| 76 | public void badConfig() throws IOException { |
| 77 | stageTestResource("badConfig.json"); |
| 78 | loader.activate(); |
| 79 | assertAfter(1_000, () -> assertNull("incorrect component", service.component)); |
| 80 | |
| 81 | } |
| 82 | |
| 83 | /* |
| 84 | * Writes the necessary file for the tests in the temporary directory |
| 85 | */ |
| 86 | static void stageTestResource(String name) throws IOException { |
| 87 | byte[] bytes = toByteArray(ComponentConfigLoaderTest.class.getResourceAsStream(name)); |
| 88 | write(bytes, ComponentConfigLoader.cfgFile); |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | * Mockup class for the config service. |
| 93 | */ |
| 94 | private class TestConfigService extends ComponentConfigAdapter { |
| 95 | |
| 96 | private String component; |
| 97 | private String name; |
| 98 | private String value; |
| 99 | |
| 100 | @Override |
| 101 | public Set<String> getComponentNames() { |
| 102 | return ImmutableSet.of(FOO_COMPONENT); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void setProperty(String componentName, String name, String value) { |
| 107 | this.component = componentName; |
| 108 | this.name = name; |
| 109 | this.value = value; |
| 110 | |
| 111 | } |
| 112 | } |
| 113 | } |