PowerMockito.mockStatic(HConnectionManager.class);
when(HConnectionManager.createConnection(configuration)).thenReturn(hConnection)
Was sind die Möglichkeiten HBase bezogenen Konfigurationsdateien zu verspotten? Wie erhalte ich:Ausnahme während PowerMock von HConnectionManager.class (HBase)
java.lang.ExceptionInInitializerError
at com.mapr.fs.ShimLoader.load(ShimLoader.java:214)
at org.apache.hadoop.conf.CoreDefaultProperties.<clinit>(CoreDefaultProperties.java:60)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:274)
at org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:1857)
at org.apache.hadoop.conf.Configuration.getProperties(Configuration.java:2072)
at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2282)
at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2234)
at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2151)
at org.apache.hadoop.conf.Configuration.get(Configuration.java:871)
at org.apache.hadoop.conf.Configuration.getTrimmed(Configuration.java:890)
at org.apache.hadoop.conf.Configuration.getBoolean(Configuration.java:1291)
at org.apache.hadoop.hbase.HBaseConfiguration.checkDefaultsVersion(HBaseConfiguration.java:71)
at org.apache.hadoop.hbase.HBaseConfiguration.addHbaseResources(HBaseConfiguration.java:107)
at org.apache.hadoop.hbase.HBaseConfiguration.create(HBaseConfiguration.java:118)
at org.apache.hadoop.hbase.client.HConnectionManager.<clinit>(HConnectionManager.java:266)
at sun.reflect.GeneratedSerializationConstructorAccessor35.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:45)
at org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:73)
at org.mockito.internal.creation.instance.ObjenesisInstantiator.newInstance(ObjenesisInstantiator.java:14)
at org.powermock.api.mockito.repackaged.ClassImposterizer.createProxy(ClassImposterizer.java:143)
at org.powermock.api.mockito.repackaged.ClassImposterizer.imposterise(ClassImposterizer.java:58)
at org.powermock.api.mockito.repackaged.ClassImposterizer.imposterise(ClassImposterizer.java:49)
at org.powermock.api.mockito.repackaged.CglibMockMaker.createMock(CglibMockMaker.java:24)
at org.powermock.api.mockito.internal.mockmaker.PowerMockMaker.createMock(PowerMockMaker.java:46)
at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:33)
at org.mockito.internal.MockitoCore.mock(MockitoCore.java:59)
at org.mockito.Mockito.mock(Mockito.java:1285)
at org.mockito.Mockito.mock(Mockito.java:1163)
Die angebotene Lösung heißt ServiceStub-Muster. In diesem Muster werden die externen Abhängigkeiten lose mit Ihrer Kernarchitektur verbunden, indem die Schnittstelle und nicht die konkrete Implementierung verwendet wird. Dadurch können Sie den Code testen, ohne dass der eigentliche Dienst ausgeführt wird. –