@Test
public void testMapperOnCustomLowercaseString() throws Exception {
/*
* Test mapper on Custom - lowercase myString
*/
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<CustomType> ds = CollectionDataSets.getCustomTypeDataSet(env);
DataSet<CustomType> customMapDs = ds.map(new Mapper6());
List<CustomType> result = customMapDs.collect();
String expected =
"1,0,hi\n"
+ "2,1,hello\n"
+ "2,2,hello world\n"
+ "3,3,hello world, how are you?\n"
+ "3,4,i am fine.\n"
+ "3,5,luke skywalker\n"
+ "4,6,comment#1\n"
+ "4,7,comment#2\n"
+ "4,8,comment#3\n"
+ "4,9,comment#4\n"
+ "5,10,comment#5\n"
+ "5,11,comment#6\n"
+ "5,12,comment#7\n"
+ "5,13,comment#8\n"
+ "5,14,comment#9\n"
+ "6,15,comment#10\n"
+ "6,16,comment#11\n"
+ "6,17,comment#12\n"
+ "6,18,comment#13\n"
+ "6,19,comment#14\n"
+ "6,20,comment#15\n";
compareResultAsText(result, expected);
}
@Test
public void testTypeConversionMapperCustomToTuple() throws Exception {
/*
* Test type conversion mapper (Custom -> Tuple)
*/
final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<CustomType> ds = CollectionDataSets.getCustomTypeDataSet(env);
DataSet<Tuple3<Integer, Long, String>> typeConversionMapDs = ds.map(new Mapper3());
List<Tuple3<Integer, Long, String>> result = typeConversionMapDs.collect();
String expected =
"1,0,Hi\n"
+ "2,1,Hello\n"
+ "2,2,Hello world\n"
+ "3,3,Hello world, how are you?\n"
+ "3,4,I am fine.\n"
+ "3,5,Luke Skywalker\n"
+ "4,6,Comment#1\n"
+ "4,7,Comment#2\n"
+ "4,8,Comment#3\n"
+ "4,9,Comment#4\n"
+ "5,10,Comment#5\n"
+ "5,11,Comment#6\n"
+ "5,12,Comment#7\n"
+ "5,13,Comment#8\n"
+ "5,14,Comment#9\n"
+ "6,15,Comment#10\n"
+ "6,16,Comment#11\n"
+ "6,17,Comment#12\n"
+ "6,18,Comment#13\n"
+ "6,19,Comment#14\n"
+ "6,20,Comment#15\n";
compareResultAsTuples(result, expected);
}