/** * Copyright (C) 2014-2019 Expedia Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.hotels.plunger; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertThat; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.util.ArrayList; import java.util.List; import org.junit.Before; import org.junit.Test; import com.hotels.plunger.Data; import com.hotels.plunger.PrettyPrinter; import cascading.tuple.Fields; import cascading.tuple.Tuple; public class PrettyPrinterTest { private final List<Tuple> tuples = new ArrayList<Tuple>(); private Data data; @Before public void setup() { tuples.add(new Tuple(1, 100)); tuples.add(new Tuple(2, 200)); data = new Data(new Fields("A", "B"), tuples); } @Test public void printToDefaultHeader() throws Exception { ByteArrayOutputStream bytes = new ByteArrayOutputStream(); PrintStream printStream = new PrintStream(bytes); new PrettyPrinter(data).printTo(printStream); printStream.flush(); printStream.close(); assertThat(bytes.toString("UTF-8"), is("A\tB\n1\t100\n2\t200\n")); } @Test public void printToNoHeader() throws Exception { ByteArrayOutputStream bytes = new ByteArrayOutputStream(); PrintStream printStream = new PrintStream(bytes); new PrettyPrinter(data).noHeader().printTo(printStream); printStream.flush(); printStream.close(); assertThat(bytes.toString("UTF-8"), is("1\t100\n2\t200\n")); } }