tests/FileUtilsTest.php

   1 <?php
   2
   3 require_once 'application/FileUtils.php';
   4
   5 /**
   6  * Class FileUtilsTest
   7  *
   8  * Test file utility class.
   9  */
  10 class FileUtilsTest extends PHPUnit_Framework_TestCase
  11 {
  12     /**
  13      * @var string Test file path.
  14      */
  15     protected static $file = 'sandbox/flat.db';
  16
  17     /**
  18      * Delete test file after every test.
  19      */
  20     public function tearDown()
  21     {
  22         @unlink(self::$file);
  23     }
  24
  25     /**
  26      * Test writeDB, then readDB with different data.
  27      */
  28     public function testSimpleWriteRead()
  29     {
  30         $data = ['blue', 'red'];
  31         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  32         $this->assertTrue(startsWith(file_get_contents(self::$file), '<?php /*'));
  33         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  34
  35         $data = 0;
  36         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  37         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  38
  39         $data = null;
  40         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  41         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  42
  43         $data = false;
  44         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  45         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  46     }
  47
  48     /**
  49      * File not writable: raise an exception.
  50      *
  51      * @expectedException IOException
  52      * @expectedExceptionMessage Error accessing "sandbox/flat.db"
  53      */
  54     public function testWriteWithoutPermission()
  55     {
  56         touch(self::$file);
  57         chmod(self::$file, 0440);
  58         FileUtils::writeFlatDB(self::$file, null);
  59     }
  60
  61     /**
  62      * Folder non existent: raise an exception.
  63      *
  64      * @expectedException IOException
  65      * @expectedExceptionMessage Error accessing "nopefolder"
  66      */
  67     public function testWriteFolderDoesNotExist()
  68     {
  69         FileUtils::writeFlatDB('nopefolder/file', null);
  70     }
  71
  72     /**
  73      * Folder non writable: raise an exception.
  74      *
  75      * @expectedException IOException
  76      * @expectedExceptionMessage Error accessing "sandbox"
  77      */
  78     public function testWriteFolderPermission()
  79     {
  80         chmod(dirname(self::$file), 0555);
  81         try {
  82             FileUtils::writeFlatDB(self::$file, null);
  83         } catch (Exception $e) {
  84             chmod(dirname(self::$file), 0755);
  85             throw $e;
  86         }
  87     }
  88
  89     /**
  90      * Read non existent file, use default parameter.
  91      */
  92     public function testReadNotExistentFile()
  93     {
  94         $this->assertEquals(null, FileUtils::readFlatDB(self::$file));
  95         $this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
  96     }
  97
  98     /**
  99      * Read non readable file, use default parameter.
 100      */
 101     public function testReadNotReadable()
 102     {
 103         touch(self::$file);
 104         chmod(self::$file, 0220);
 105         $this->assertEquals(null, FileUtils::readFlatDB(self::$file));
 106         $this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
 107     }
 108 }