1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.loganalysis.util.config; 18 19 import junit.framework.TestCase; 20 21 /** 22 * Unit tests for {@link OptionUpdateRule} 23 */ 24 public class OptionUpdateRuleTest extends TestCase { 25 private static final String OPTION_NAME = "option-name"; 26 private static final Object CURRENT = "5 current value"; 27 private static final Object UPDATE = "5 update value"; 28 private static final Object SMALL_UPDATE = "0 update value"; 29 private static final Object BIG_UPDATE = "9 update value"; 30 31 public void testFirst_simple() throws Exception { 32 assertEquals(UPDATE, OptionUpdateRule.FIRST.update(OPTION_NAME, null, UPDATE)); 33 assertEquals(CURRENT, OptionUpdateRule.FIRST.update(OPTION_NAME, CURRENT, UPDATE)); 34 } 35 36 public void testLast_simple() throws Exception { 37 assertEquals(UPDATE, OptionUpdateRule.LAST.update(OPTION_NAME, null, UPDATE)); 38 assertEquals(UPDATE, OptionUpdateRule.LAST.update(OPTION_NAME, CURRENT, UPDATE)); 39 } 40 41 public void testGreatest_simple() throws Exception { 42 assertEquals( 43 SMALL_UPDATE, OptionUpdateRule.GREATEST.update(OPTION_NAME, null, SMALL_UPDATE)); 44 assertEquals(CURRENT, OptionUpdateRule.GREATEST.update(OPTION_NAME, CURRENT, SMALL_UPDATE)); 45 assertEquals( 46 BIG_UPDATE, OptionUpdateRule.GREATEST.update(OPTION_NAME, CURRENT, BIG_UPDATE)); 47 } 48 49 public void testLeast_simple() throws Exception { 50 assertEquals(BIG_UPDATE, OptionUpdateRule.LEAST.update(OPTION_NAME, null, BIG_UPDATE)); 51 assertEquals( 52 SMALL_UPDATE, OptionUpdateRule.LEAST.update(OPTION_NAME, CURRENT, SMALL_UPDATE)); 53 assertEquals(CURRENT, OptionUpdateRule.LEAST.update(OPTION_NAME, CURRENT, BIG_UPDATE)); 54 } 55 56 public void testImmutable_simple() throws Exception { 57 assertEquals(UPDATE, OptionUpdateRule.IMMUTABLE.update(OPTION_NAME, null, UPDATE)); 58 try { 59 OptionUpdateRule.IMMUTABLE.update(OPTION_NAME, CURRENT, UPDATE); 60 fail("ConfigurationException not thrown when updating an IMMUTABLE option"); 61 } catch (ConfigurationException e) { 62 // expected 63 } 64 } 65 66 public void testInvalidComparison() throws Exception { 67 try { 68 // Strings aren't comparable with integers 69 OptionUpdateRule.GREATEST.update(OPTION_NAME, 13, UPDATE); 70 fail("ConfigurationException not thrown for invalid comparison."); 71 } catch (ConfigurationException e) { 72 // Expected. Moreover, the exception should be actionable, so make sure we mention the 73 // specific mismatching types. 74 final String msg = e.getMessage(); 75 assertTrue(msg.contains("Integer")); 76 assertTrue(msg.contains("String")); 77 } 78 } 79 80 public void testNotComparable() throws Exception { 81 try { 82 OptionUpdateRule.LEAST.update(OPTION_NAME, new Exception("hi"), UPDATE); 83 } catch (ConfigurationException e) { 84 // expected 85 } 86 } 87 } 88 89
