xref: /dokuwiki/_test/tests/inc/io_replaceinfile.test.php (revision 3dfe7d64760baa568018c1d6d311c26d1a2da098) 
1<?php
2
3class io_replaceinfile_test extends DokuWikiTest {
4
5    protected $contents = "The\012Delete\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012";
6
7    /*
8     * dependency for tests needing zlib extension to pass
9     */
10    public function test_ext_zlib() {
11        if (!extension_loaded('zlib')) {
12            $this->markTestSkipped('skipping all zlib tests.  Need zlib extension');
13        }
14    }
15
16    /*
17     * dependency for tests needing zlib extension to pass
18     */
19    public function test_ext_bz2() {
20        if (!extension_loaded('bz2')) {
21            $this->markTestSkipped('skipping all bzip2 tests.  Need bz2 extension');
22        }
23    }
24
25    function _write($file){
26
27        io_saveFile($file, $this->contents);
28        // Replace one, no regex
29        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete00\012", false, 1));
30        $this->assertEquals("The\012Delete00\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012", io_readFile($file));
31        // Replace all, no regex
32        $this->assertTrue(io_replaceInFile($file, "Delete\012", "DeleteX\012", false, -1));
33        $this->assertEquals("The\012Delete00\012DeleteX\012Delete01\012Delete02\012DeleteX\012DeleteX\012Test\012", io_readFile($file));
34        // Replace two, regex and backreference
35        $this->assertTrue(io_replaceInFile($file, "#Delete(\\d+)\012#", "\\1\012", true, 2));
36        $this->assertEquals("The\01200\012DeleteX\01201\012Delete02\012DeleteX\012DeleteX\012Test\012", io_readFile($file));
37        // Delete and insert, no regex
38        $this->assertTrue(io_replaceInFile($file, "DeleteX\012", "Replace\012", false, 0));
39        $this->assertEquals("The\01200\01201\012Delete02\012Test\012Replace\012", io_readFile($file));
40    }
41
42    function test_replace(){
43        $this->_write(TMP_DIR.'/test.txt');
44    }
45
46
47    /**
48     * @depends test_ext_zlib
49     */
50    function test_gzwrite(){
51        $this->_write(TMP_DIR.'/test.txt.gz');
52    }
53
54    /**
55     * @depends test_ext_bz2
56     */
57    function test_bzwrite(){
58        $this->_write(TMP_DIR.'/test.txt.bz2');
59    }
60
61    /**
62     *
63     */
64    function test_edgecase1()
65    {
66        $file = TMP_DIR . '/test.txt';
67        // Replace all, no regex, backreference like construct in replacement line
68        io_saveFile($file, $this->contents);
69        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete\\00\012", false, -1));
70        $this->assertEquals("The\012Delete\\00\012Delete\\00\012Delete01\012Delete02\012Delete\\00\012DeleteX\012Test\012", io_readFile($file), "Edge case: backreference like construct in replacement line");
71    }
72    /**
73     * @small
74     */
75    function test_edgecase2() {
76        $file = TMP_DIR.'/test.txt';
77        // Replace all, no regex, replacement line == search line
78        io_saveFile($file, $this->contents);
79        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete\012", false, -1));
80        $this->assertEquals("The\012Delete\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012", io_readFile($file), "Edge case: new line the same as old line");
81    }
82
83    /**
84     *
85     */
86    function test_edgecase3()
87    {
88        $file = TMP_DIR . '/test.txt';
89        $contents = "The\012Delete\01201Delete\01202Delete\012Test\012";
90        // Replace all, no regex, oldline exactly matches one line; matches part of other lines - only the exact match should be replaced
91        io_saveFile($file, $contents);
92        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Replace\012", false, -1));
93        $this->assertEquals("The\012Replace\01201Delete\01202Delete\012Test\012", io_readFile($file), "Edge case: old line is a match for parts of other lines");
94    }
95}
96