tests/FileUtilsTest.php

   1 <?php
   2
   3 namespace Shaarli;
   4
   5 use Exception;
   6
   7 /**
   8  * Class FileUtilsTest
   9  *
  10  * Test file utility class.
  11  */
  12 class FileUtilsTest extends \Shaarli\TestCase
  13 {
  14     /**
  15      * @var string Test file path.
  16      */
  17     protected static $file = 'sandbox/flat.db';
  18
  19     /**
  20      * Delete test file after every test.
  21      */
  22     protected function tearDown(): void
  23     {
  24         @unlink(self::$file);
  25     }
  26
  27     /**
  28      * Test writeDB, then readDB with different data.
  29      */
  30     public function testSimpleWriteRead()
  31     {
  32         $data = ['blue', 'red'];
  33         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  34         $this->assertTrue(startsWith(file_get_contents(self::$file), '<?php /*'));
  35         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  36
  37         $data = 0;
  38         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  39         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  40
  41         $data = null;
  42         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  43         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  44
  45         $data = false;
  46         $this->assertTrue(FileUtils::writeFlatDB(self::$file, $data) > 0);
  47         $this->assertEquals($data, FileUtils::readFlatDB(self::$file));
  48     }
  49
  50     /**
  51      * File not writable: raise an exception.
  52      */
  53     public function testWriteWithoutPermission()
  54     {
  55         $this->expectException(\Shaarli\Exceptions\IOException::class);
  56         $this->expectExceptionMessage('Error accessing "sandbox/flat.db"');
  57
  58         touch(self::$file);
  59         chmod(self::$file, 0440);
  60         FileUtils::writeFlatDB(self::$file, null);
  61     }
  62
  63     /**
  64      * Folder non existent: raise an exception.
  65      */
  66     public function testWriteFolderDoesNotExist()
  67     {
  68         $this->expectException(\Shaarli\Exceptions\IOException::class);
  69         $this->expectExceptionMessage('Error accessing "nopefolder"');
  70
  71         FileUtils::writeFlatDB('nopefolder/file', null);
  72     }
  73
  74     /**
  75      * Folder non writable: raise an exception.
  76      */
  77     public function testWriteFolderPermission()
  78     {
  79         $this->expectException(\Shaarli\Exceptions\IOException::class);
  80         $this->expectExceptionMessage('Error accessing "sandbox"');
  81
  82         chmod(dirname(self::$file), 0555);
  83         try {
  84             FileUtils::writeFlatDB(self::$file, null);
  85         } catch (Exception $e) {
  86             chmod(dirname(self::$file), 0755);
  87             throw $e;
  88         }
  89     }
  90
  91     /**
  92      * Read non existent file, use default parameter.
  93      */
  94     public function testReadNotExistentFile()
  95     {
  96         $this->assertEquals(null, FileUtils::readFlatDB(self::$file));
  97         $this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
  98     }
  99
 100     /**
 101      * Read non readable file, use default parameter.
 102      */
 103     public function testReadNotReadable()
 104     {
 105         touch(self::$file);
 106         chmod(self::$file, 0220);
 107         $this->assertEquals(null, FileUtils::readFlatDB(self::$file));
 108         $this->assertEquals(['test'], FileUtils::readFlatDB(self::$file, ['test']));
 109     }
 110 }