@Test
public void getTestDb() throws Exception {
Iterable<String> results;
GiraphConfiguration conf = new GiraphConfiguration();
GIRAPH_GORA_DATASTORE_CLASS.set(conf, "org.apache.gora.memory.store.MemStore");
GIRAPH_GORA_KEYS_FACTORY_CLASS.set(conf, "org.apache.giraph.io.gora.utils.DefaultKeyFactory");
GIRAPH_GORA_KEY_CLASS.set(conf, "java.lang.String");
GIRAPH_GORA_PERSISTENT_CLASS.set(conf, "org.apache.giraph.io.gora.generated.GEdge");
GIRAPH_GORA_START_KEY.set(conf, "1");
GIRAPH_GORA_END_KEY.set(conf, "4");
conf.set(
"io.serializations",
"org.apache.hadoop.io.serializer.WritableSerialization,"
+ "org.apache.hadoop.io.serializer.JavaSerialization");
conf.setComputationClass(EmptyComputation.class);
conf.setEdgeInputFormatClass(GoraTestEdgeInputFormat.class);
conf.setVertexOutputFormatClass(IdWithValueTextOutputFormat.class);
results = InternalVertexRunner.run(conf, new String[0], new String[0]);
Assert.assertNotNull(results);
Assert.assertEquals(3, ((ArrayList<?>) results).size());
if (results instanceof Collection<?> & (((Collection<?>) results).size() == 2)) {
Assert.assertEquals("33\t0.0", ((ArrayList<?>) results).get(0).toString());
Assert.assertEquals("22\t0.0", ((ArrayList<?>) results).get(1).toString());
Assert.assertEquals("11\t0.0", ((ArrayList<?>) results).get(2).toString());
}
}
@Test
public void getEmptyDb() throws Exception {
Iterable<String> results;
Iterator<String> result;
GiraphConfiguration conf = new GiraphConfiguration();
GIRAPH_GORA_DATASTORE_CLASS.set(conf, "org.apache.gora.memory.store.MemStore");
GIRAPH_GORA_KEYS_FACTORY_CLASS.set(conf, "org.apache.giraph.io.gora.utils.DefaultKeyFactory");
GIRAPH_GORA_KEY_CLASS.set(conf, "java.lang.String");
GIRAPH_GORA_PERSISTENT_CLASS.set(conf, "org.apache.giraph.io.gora.generated.GEdge");
GIRAPH_GORA_START_KEY.set(conf, "1");
GIRAPH_GORA_END_KEY.set(conf, "3");
conf.set(
"io.serializations",
"org.apache.hadoop.io.serializer.WritableSerialization,"
+ "org.apache.hadoop.io.serializer.JavaSerialization");
conf.setComputationClass(EmptyComputation.class);
conf.setEdgeInputFormatClass(GoraGEdgeEdgeInputFormat.class);
results = InternalVertexRunner.run(conf, new String[0], new String[0]);
Assert.assertNotNull(results);
result = results.iterator();
Assert.assertFalse(result.hasNext());
}
