| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cassandra.tools.nodetool.formatter; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintStream; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TableBuilderTest |
| { |
| @Test |
| public void testEmptyRow() |
| { |
| TableBuilder table = new TableBuilder(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals("", baos.toString()); |
| } |
| |
| @Test |
| public void testOneRow() |
| { |
| TableBuilder table = new TableBuilder(); |
| |
| table.add("a", "bb", "ccc"); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals(String.format("a bb ccc%n"), baos.toString()); |
| } |
| |
| @Test |
| public void testRows() |
| { |
| TableBuilder table = new TableBuilder(); |
| table.add("a", "bb", "ccc"); |
| table.add("aaa", "bb", "c"); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals(String.format("a bb ccc%naaa bb c %n"), baos.toString()); |
| } |
| |
| @Test |
| public void testNullColumn() |
| { |
| TableBuilder table = new TableBuilder(); |
| table.add("a", "b", "c"); |
| table.add("a", null, "c"); |
| table.add("a", null, null); |
| table.add(null, "b", "c"); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals(String.format("a b c%na c%na %n b c%n"), baos.toString()); |
| } |
| |
| @Test |
| public void testRowsOfDifferentSize() |
| { |
| TableBuilder table = new TableBuilder(); |
| table.add("a", "b", "c"); |
| table.add("a", "b", "c", "d", "e"); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals(baos.toString(), String.format("a b c %na b c d e%n"), baos.toString()); |
| } |
| |
| @Test |
| public void testDelimiter() |
| { |
| TableBuilder table = new TableBuilder('\t'); |
| |
| table.add("a", "bb", "ccc"); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try (PrintStream out = new PrintStream(baos)) |
| { |
| table.printTo(out); |
| } |
| assertEquals(String.format("a\tbb\tccc%n"), baos.toString()); |
| } |
| } |