package com.ctrip.framework.apollo.internals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;
import com.ctrip.framework.apollo.ConfigFile;
import com.ctrip.framework.apollo.ConfigFileChangeListener;
import com.ctrip.framework.apollo.enums.PropertyChangeType;
import com.ctrip.framework.apollo.model.ConfigFileChangeEvent;
import com.google.common.util.concurrent.SettableFuture;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import com.ctrip.framework.apollo.core.enums.ConfigFileFormat;
/**
* @author Jason Song(song_s@ctrip.com)
*/
@RunWith(MockitoJUnitRunner.class)
public class PropertiesConfigFileTest {
private String someNamespace;
@Mock
private ConfigRepository configRepository;
@Before
public void setUp() throws Exception {
someNamespace = "someName";
}
@Test
public void testWhenHasContent() throws Exception {
Properties someProperties = new Properties();
String someKey = "someKey";
String someValue = "someValue";
someProperties.setProperty(someKey, someValue);
when(configRepository.getConfig()).thenReturn(someProperties);
PropertiesConfigFile configFile = new PropertiesConfigFile(someNamespace, configRepository);
assertEquals(ConfigFileFormat.Properties, configFile.getConfigFileFormat());
assertEquals(someNamespace, configFile.getNamespace());
assertTrue(configFile.hasContent());
assertTrue(configFile.getContent().contains(String.format("%s=%s", someKey, someValue)));
}
@Test
public void testWhenHasNoContent() throws Exception {
when(configRepository.getConfig()).thenReturn(null);
PropertiesConfigFile configFile = new PropertiesConfigFile(someNamespace, configRepository);
assertFalse(configFile.hasContent());
assertNull(configFile.getContent());
}
@Test
public void testWhenConfigRepositoryHasError() throws Exception {
when(configRepository.getConfig()).thenThrow(new RuntimeException("someError"));
PropertiesConfigFile configFile = new PropertiesConfigFile(someNamespace, configRepository);
assertFalse(configFile.hasContent());
assertNull(configFile.getContent());
}
@Test
public void testOnRepositoryChange() throws Exception {
Properties someProperties = new Properties();
String someKey = "someKey";
String someValue = "someValue";
String anotherValue = "anotherValue";
someProperties.setProperty(someKey, someValue);
when(configRepository.getConfig()).thenReturn(someProperties);
PropertiesConfigFile configFile = new PropertiesConfigFile(someNamespace, configRepository);
assertTrue(configFile.getContent().contains(String.format("%s=%s", someKey, someValue)));
Properties anotherProperties = new Properties();
anotherProperties.setProperty(someKey, anotherValue);
final SettableFuture<ConfigFileChangeEvent> configFileChangeFuture = SettableFuture.create();
ConfigFileChangeListener someListener = new ConfigFileChangeListener() {
@Override
public void onChange(ConfigFileChangeEvent changeEvent) {
configFileChangeFuture.set(changeEvent);
}
};
configFile.addChangeListener(someListener);
configFile.onRepositoryChange(someNamespace, anotherProperties);
ConfigFileChangeEvent changeEvent = configFileChangeFuture.get(500, TimeUnit.MILLISECONDS);
assertFalse(configFile.getContent().contains(String.format("%s=%s", someKey, someValue)));
assertTrue(configFile.getContent().contains(String.format("%s=%s", someKey, anotherValue)));
assertEquals(someNamespace, changeEvent.getNamespace());
assertTrue(changeEvent.getOldValue().contains(String.format("%s=%s", someKey, someValue)));
assertTrue(changeEvent.getNewValue().contains(String.format("%s=%s", someKey, anotherValue)));
assertEquals(PropertyChangeType.MODIFIED, changeEvent.getChangeType());
}
@Test
public void testWhenConfigRepositoryHasErrorAndThenRecovered() throws Exception {
Properties someProperties = new Properties();
String someKey = "someKey";
String someValue = "someValue";
someProperties.setProperty(someKey, someValue);
when(configRepository.getConfig()).thenThrow(new RuntimeException("someError"));
PropertiesConfigFile configFile = new PropertiesConfigFile(someNamespace, configRepository);
assertFalse(configFile.hasContent());
assertNull(configFile.getContent());
configFile.onRepositoryChange(someNamespace, someProperties);
assertTrue(configFile.hasContent());
assertTrue(configFile.getContent().contains(String.format("%s=%s", someKey, someValue)));
}
}