/**
* 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);
}
}