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path: root/_test/tests/inc/io_replaceinfile.test.php
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<?php

class io_replaceinfile_test extends DokuWikiTest {

    protected $contents = "The\012Delete\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012";

    /*
     * dependency for tests needing zlib extension to pass
     */
    public function test_ext_zlib() {
        if (!extension_loaded('zlib')) {
            $this->markTestSkipped('skipping all zlib tests.  Need zlib extension');
        }
    }

    /*
     * dependency for tests needing zlib extension to pass
     */
    public function test_ext_bz2() {
        if (!extension_loaded('bz2')) {
            $this->markTestSkipped('skipping all bzip2 tests.  Need bz2 extension');
        }
    }

    function _write($file){

        io_saveFile($file, $this->contents);
        // Replace one, no regex
        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete00\012", false, 1));
        $this->assertEquals("The\012Delete00\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012", io_readFile($file));
        // Replace all, no regex
        $this->assertTrue(io_replaceInFile($file, "Delete\012", "DeleteX\012", false, -1));
        $this->assertEquals("The\012Delete00\012DeleteX\012Delete01\012Delete02\012DeleteX\012DeleteX\012Test\012", io_readFile($file));
        // Replace two, regex and backreference
        $this->assertTrue(io_replaceInFile($file, "#Delete(\\d+)\012#", "\\1\012", true, 2));
        $this->assertEquals("The\01200\012DeleteX\01201\012Delete02\012DeleteX\012DeleteX\012Test\012", io_readFile($file));
        // Delete and insert, no regex
        $this->assertTrue(io_replaceInFile($file, "DeleteX\012", "Replace\012", false, 0));
        $this->assertEquals("The\01200\01201\012Delete02\012Test\012Replace\012", io_readFile($file));
    }

    function test_replace(){
        $this->_write(TMP_DIR.'/test.txt');
    }


    /**
     * @depends test_ext_zlib
     */
    function test_gzwrite(){
        $this->_write(TMP_DIR.'/test.txt.gz');
    }

    /**
     * @depends test_ext_bz2
     */
    function test_bzwrite(){
        $this->_write(TMP_DIR.'/test.txt.bz2');
    }

    /**
     *
     */
    function test_edgecase1()
    {
        $file = TMP_DIR . '/test.txt';
        // Replace all, no regex, backreference like construct in replacement line
        io_saveFile($file, $this->contents);
        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete\\00\012", false, -1));
        $this->assertEquals("The\012Delete\\00\012Delete\\00\012Delete01\012Delete02\012Delete\\00\012DeleteX\012Test\012", io_readFile($file), "Edge case: backreference like construct in replacement line");
    }
    /**
     * @small
     */
    function test_edgecase2() {
        $file = TMP_DIR.'/test.txt';
        // Replace all, no regex, replacement line == search line
        io_saveFile($file, $this->contents);
        $this->assertTrue(io_replaceInFile($file, "Delete\012", "Delete\012", false, -1));
        $this->assertEquals("The\012Delete\012Delete\012Delete01\012Delete02\012Delete\012DeleteX\012Test\012", io_readFile($file), "Edge case: new line the same as old line");
    }
}