01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.commons.betwixt.expression;
18:
19: import junit.framework.TestCase;
20:
21: import org.apache.commons.betwixt.Options;
22:
23: public class TestContextOptions extends TestCase {
24:
25: private static final String OPTION_NAME_ONE = "Option1";
26: private static final String OPTION_NAME_TWO = "Option2";
27: private static final String OPTION_NAME_THREE = "Option3";
28: private static final String OPTION_NAME_FOUR = "Option4";
29: private static final String ALPHA = "ALPHA";
30: private static final String BETA = "BETA";
31: private static final String GAMMA = "GAMMA";
32:
33: public void testOptionInheritance() throws Exception {
34:
35: Options optionsAlpha = new Options();
36: optionsAlpha.addOption(OPTION_NAME_TWO, ALPHA);
37: optionsAlpha.addOption(OPTION_NAME_THREE, ALPHA);
38: optionsAlpha.addOption(OPTION_NAME_FOUR, ALPHA);
39: Options optionsBeta = new Options();
40: optionsBeta.addOption(OPTION_NAME_TWO, BETA);
41: optionsBeta.addOption(OPTION_NAME_THREE, BETA);
42: Options optionsGamma = new Options();
43: optionsGamma.addOption(OPTION_NAME_TWO, GAMMA);
44:
45: Context context = new Context();
46: context.pushOptions(optionsAlpha);
47: context.pushOptions(optionsBeta);
48: context.pushOptions(optionsGamma);
49:
50: assertNull("Null when no option set", context
51: .getInheritedOption(OPTION_NAME_ONE));
52: assertEquals("Return first value when that is set", GAMMA,
53: context.getInheritedOption(OPTION_NAME_TWO));
54: assertEquals("Return first value that is set", BETA, context
55: .getInheritedOption(OPTION_NAME_THREE));
56: assertEquals("Return first value that is set", ALPHA, context
57: .getInheritedOption(OPTION_NAME_FOUR));
58:
59: }
60: }
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