| /** |
| * 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.hadoop.fs.shell.find; |
| |
| import static org.junit.Assert.*; |
| import static org.mockito.Mockito.*; |
| |
| import java.io.IOException; |
| import java.util.Deque; |
| |
| import org.apache.hadoop.fs.shell.PathData; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.rules.Timeout; |
| import org.junit.Test; |
| |
| public class TestFilterExpression { |
| private Expression expr; |
| private FilterExpression test; |
| |
| @Rule |
| public Timeout globalTimeout = new Timeout(10000); |
| |
| @Before |
| public void setup() { |
| expr = mock(Expression.class); |
| test = new FilterExpression(expr) { |
| }; |
| } |
| |
| // test that the child expression is correctly set |
| @Test |
| public void expression() throws IOException { |
| assertEquals(expr, test.expression); |
| } |
| |
| // test that setOptions method is called |
| @Test |
| public void setOptions() throws IOException { |
| FindOptions options = mock(FindOptions.class); |
| test.setOptions(options); |
| verify(expr).setOptions(options); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test the apply method is called and the result returned |
| @Test |
| public void apply() throws IOException { |
| PathData item = mock(PathData.class); |
| when(expr.apply(item, -1)).thenReturn(Result.PASS).thenReturn(Result.FAIL); |
| assertEquals(Result.PASS, test.apply(item, -1)); |
| assertEquals(Result.FAIL, test.apply(item, -1)); |
| verify(expr, times(2)).apply(item, -1); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the finish method is called |
| @Test |
| public void finish() throws IOException { |
| test.finish(); |
| verify(expr).finish(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the getUsage method is called |
| @Test |
| public void getUsage() { |
| String[] usage = new String[] { "Usage 1", "Usage 2", "Usage 3" }; |
| when(expr.getUsage()).thenReturn(usage); |
| assertArrayEquals(usage, test.getUsage()); |
| verify(expr).getUsage(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the getHelp method is called |
| @Test |
| public void getHelp() { |
| String[] help = new String[] { "Help 1", "Help 2", "Help 3" }; |
| when(expr.getHelp()).thenReturn(help); |
| assertArrayEquals(help, test.getHelp()); |
| verify(expr).getHelp(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the isAction method is called |
| @Test |
| public void isAction() { |
| when(expr.isAction()).thenReturn(true).thenReturn(false); |
| assertTrue(test.isAction()); |
| assertFalse(test.isAction()); |
| verify(expr, times(2)).isAction(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the isOperator method is called |
| @Test |
| public void isOperator() { |
| when(expr.isAction()).thenReturn(true).thenReturn(false); |
| assertTrue(test.isAction()); |
| assertFalse(test.isAction()); |
| verify(expr, times(2)).isAction(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the getPrecedence method is called |
| @Test |
| public void getPrecedence() { |
| int precedence = 12345; |
| when(expr.getPrecedence()).thenReturn(precedence); |
| assertEquals(precedence, test.getPrecedence()); |
| verify(expr).getPrecedence(); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the addChildren method is called |
| @Test |
| public void addChildren() { |
| @SuppressWarnings("unchecked") |
| Deque<Expression> expressions = mock(Deque.class); |
| test.addChildren(expressions); |
| verify(expr).addChildren(expressions); |
| verifyNoMoreInteractions(expr); |
| } |
| |
| // test that the addArguments method is called |
| @Test |
| public void addArguments() { |
| @SuppressWarnings("unchecked") |
| Deque<String> args = mock(Deque.class); |
| test.addArguments(args); |
| verify(expr).addArguments(args); |
| verifyNoMoreInteractions(expr); |
| } |
| } |