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      1 /*
      2  * Copyright (C) 2012 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.contacts.common.util;
     18 
     19 import android.test.suitebuilder.annotation.SmallTest;
     20 
     21 import junit.framework.TestCase;
     22 
     23 /**
     24  * Unit tests for {@link SearchUtil}.
     25  */
     26 @SmallTest
     27 public class SearchUtilTest extends TestCase {
     28 
     29     public void testFindMatchingLine() {
     30         final String actual = "this is a long test string.\nWith potentially many lines.\n" +
     31                 "test (at) google.com\nhello\nblah\n'leading punc";
     32 
     33         SearchUtil.MatchedLine matched = SearchUtil.findMatchingLine(actual, "poten");
     34         assertEquals("With potentially many lines.", matched.line);
     35         assertEquals(5, matched.startIndex);
     36 
     37         // Full line match.
     38         matched = SearchUtil.findMatchingLine(actual, "hello");
     39         assertEquals("hello", matched.line);
     40         assertEquals(0, matched.startIndex);
     41 
     42         // First line match
     43         matched = SearchUtil.findMatchingLine(actual, "this");
     44         assertEquals("this is a long test string.", matched.line);
     45         assertEquals(0, matched.startIndex);
     46 
     47         // Last line match
     48         matched = SearchUtil.findMatchingLine(actual, "punc");
     49         assertEquals("'leading punc", matched.line);
     50         assertEquals(9, matched.startIndex);
     51     }
     52 
     53     public void testContains() {
     54         final String actual = "this is a long test string.\nWith potentially many lines.\n" +
     55                 "test (at) google.com\nhello\nblah\n'leading punc";
     56         assertEquals(0, SearchUtil.contains(actual, "this"));
     57         assertEquals(10, SearchUtil.contains(actual, "lon"));
     58 
     59         assertEquals(1, SearchUtil.contains("'leading punc", "lead"));
     60         assertEquals(9, SearchUtil.contains("'leading punc", "punc"));
     61 
     62     }
     63 
     64     public void testContainsNotFound() {
     65         final String actual = "this is a long test string.\nWith potentially many lines.\n" +
     66                 "test (at) google.com\nhello\nblah\n'leading punc";
     67 
     68         // Non-prefix
     69         assertEquals(-1, SearchUtil.contains(actual, "ith"));
     70         assertEquals(-1, SearchUtil.contains(actual, "ing"));
     71 
     72         // Complete misses
     73         assertEquals(-1, SearchUtil.contains(actual, "thisx"));
     74         assertEquals(-1, SearchUtil.contains(actual, "manyx"));
     75         assertEquals(-1, SearchUtil.contains(actual, "hellox"));
     76 
     77         // Test for partial match of start of query to end of line
     78         assertEquals(-1, SearchUtil.contains(actual, "punctual"));
     79     }
     80 
     81     public void testFindNextTokenStart() {
     82         final String actual = "....hello.kitty";
     83         //                     012345678901234
     84 
     85         // Find first token.
     86         assertEquals(4, SearchUtil.findNextTokenStart(actual, 0));
     87         assertEquals(4, SearchUtil.findNextTokenStart(actual, 1));
     88         assertEquals(4, SearchUtil.findNextTokenStart(actual, 2));
     89         assertEquals(4, SearchUtil.findNextTokenStart(actual, 3));
     90 
     91         // Find second token.
     92         assertEquals(10, SearchUtil.findNextTokenStart(actual, 4));
     93         assertEquals(10, SearchUtil.findNextTokenStart(actual, 5));
     94         assertEquals(10, SearchUtil.findNextTokenStart(actual, 6));
     95         assertEquals(10, SearchUtil.findNextTokenStart(actual, 7));
     96         assertEquals(10, SearchUtil.findNextTokenStart(actual, 8));
     97         assertEquals(10, SearchUtil.findNextTokenStart(actual, 9));
     98 
     99         // No token.
    100         assertEquals(actual.length(), SearchUtil.findNextTokenStart(actual, 10));
    101         assertEquals(actual.length(), SearchUtil.findNextTokenStart(actual, 11));
    102         assertEquals(actual.length(), SearchUtil.findNextTokenStart(actual, 12));
    103         assertEquals(actual.length(), SearchUtil.findNextTokenStart(actual, 13));
    104         assertEquals(actual.length(), SearchUtil.findNextTokenStart(actual, 14));
    105     }
    106 
    107     public void testCleanStartAndEndOfSearchQuery() {
    108         assertEquals("test", SearchUtil.cleanStartAndEndOfSearchQuery("...test..."));
    109         assertEquals("test", SearchUtil.cleanStartAndEndOfSearchQuery(" test "));
    110         assertEquals("test", SearchUtil.cleanStartAndEndOfSearchQuery(" ||test"));
    111         assertEquals("test", SearchUtil.cleanStartAndEndOfSearchQuery("test.."));
    112     }
    113 
    114 }
    115