<?php
require_once '/data/priv/prog/diff/StringDiff.php';
/**
* Test class for StringDiff.
* Generated by PHPUnit on 2013-02-10 at 22:02:43.
*/
class StringDiffTest extends PHPUnit_Framework_TestCase
{
public function testTripartite()
{
$s = 'abc';
$middle = 'b';
$expected = array('a', 'b', 'c');
$actual = StringDiff::tripartite($s, $middle);
$this->assertEquals($expected, $actual, 'nice split in middle');
}
public function testTripartiteZeroHead()
{
$s = 'bc';
$middle = 'b';
$expected = array('', 'b', 'c');
$actual = StringDiff::tripartite($s, $middle);
$this->assertEquals($expected, $actual, 'split with empty head');
}
public function testTripartiteZeroTail()
{
$s = 'ab';
$middle = 'b';
$expected = array('a', 'b', '');
$actual = StringDiff::tripartite($s, $middle);
$this->assertEquals($expected, $actual, 'split with empty tail');
}
public function testTripartiteZeroHeadAndTail()
{
$s = 'b';
$middle = 'b';
$expected = array('', 'b', '');
$actual = StringDiff::tripartite($s, $middle);
$this->assertEquals($expected, $actual, 'split with empty head and tail');
}
public function testDiffEmptyHead ()
{
$a = 'ab';
$b = 'ac';
$expected = 'a<del>b</del><ins>c</ins>';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffEmptyTail ()
{
$a = 'ab';
$b = 'cb';
$expected = '<del>a</del><ins>c</ins>b';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffEmptyHeadAndTail ()
{
$a = 'a';
$b = 'a';
$expected = 'a';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffWithRecursion ()
{
$a = 'abc aaabbcc dbc';
$b = 'adc aaabbcc dac';
$expected = 'a<del>b</del><ins>d</ins>c aaabbcc d<del>b</del><ins>a</ins>c';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffWithThai ()
{
$a = '????????????????????????????????????????????????????';
$b = '??????????????????????????????????????????????';
$expected = '??????????????????????????????<del>??????</del>????????????????';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testForLackOfOverlap(){
$a = 'xxxxxxxxxxxxxxaaxxxxxxxxxxxxxx';
$b = 'yyyyyyyyyyyyyyaayyyyyyyyyyyyyy';
$expected = '<del>xxxxxxxxxxxxxxaaxxxxxxxxxxxxxx</del><ins>yyyyyyyyyyyyyyaayyyyyyyyyyyyyy</ins>';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
$actual = StringDiff::diff($a, $b, 100.0); //pushing the overlap threshold down
$expected = '<del>xxxxxxxxxxxxxx</del><ins>yyyyyyyyyyyyyy</ins>aa<del>xxxxxxxxxxxxxx</del><ins>yyyyyyyyyyyyyy</ins>';
$this->assertEquals($expected, $actual);
}
public function testOverlap(){
$a = 'xxxxxaaaaaaaaxxxxx';
$b = 'yyyyyaaaaaaaayyyyy';
$expected = 'xxxxx<overlap>aaaaaaaa</overlap>xxxxx';
$actual = StringDiff::overlap($a, $b);
$this->assertEquals($expected, $actual);
$expected = 'yyyyy<overlap>aaaaaaaa</overlap>yyyyy';
$actual = StringDiff::overlap($b, $a);
$this->assertEquals($expected, $actual);
$a = 'xxxxxaxxxxx';
$b = 'yyyyyayyyyy';
$expected = 'xxxxxaxxxxx';
$actual = StringDiff::overlap($a, $b);//threshold 3.0 too high
$this->assertEquals($expected, $actual);
$expected = 'xxxxx<overlap>a</overlap>xxxxx';
$actual = StringDiff::overlap($a, $b, 100.0);//pushing threshold down
$this->assertEquals($expected, $actual);
}
public function testDiffEmptyArgs(){
$a = '';
$b = '';
$expected = '';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffEmptyA(){
$a = '';
$b = 'xxx';
$expected = '<ins>xxx</ins>';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testDiffEmptyB(){
$a = 'xxx';
$b = '';
$expected = '<del>xxx</del>';
$actual = StringDiff::diff($a, $b);
$this->assertEquals($expected, $actual);
}
public function testOverlapEmptyArgs(){
$a = '';
$b = '';
$expected = '';
$actual = StringDiff::overlap($a, $b);
$this->assertEquals($expected, $actual);
}
public function testOverlapEmptyA(){
$a = '';
$b = 'xxx';
$expected = '';
$actual = StringDiff::overlap($a, $b);
$this->assertEquals($expected, $actual);
}
public function testOverlapEmptyB(){
$a = 'xxx';
$b = '';
$expected = 'xxx';
$actual = StringDiff::overlap($a, $b);
$this->assertEquals($expected, $actual);
}
}
?>
|
Download
