add seed feature

Fakerino · Jun 18, 2015 · b7160d8 · b7160d8
1 parent f3e8d2e
commit b7160d8
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Showing 11 changed files with 57 additions and 12 deletions.
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,3 +1,7 @@
+0.8.0 / 2015-06-18
+==================
+  * Add seed feature, to return same value in different calls
+
 0.7.2 / 2015-06-16
 ==================
   * Fix regex reverter version dependency

diff --git a/README.md b/README.md
@@ -18,9 +18,9 @@ Fakerino is a fake data generator framework fully extensible.
 * Fake data in __different languages__.
 * Fake __regular expression__ data (e.g. url => '/www\.\w+\.com/').
 * Fake data multiple times.
-* Fake a __database__ table row/s in one row of code.
+* Fake a __database__ table row/s with one line of code.
 * Fake a __Twig__ string or file automatically (e.g. Hello Mr {{ surname }})
-* Fake a PHP __object/entity__ in one row of code (fills public properties and setters with fake data).
+* Fake a PHP __object/entity__ in one line of code (fills public properties and setters with fake data).
 * Support __JSON__, __array__ and string output.
 * Support array, __Yaml__, __XML__, __PHP__, __Txt__ and __Ini__ configurations.
 * Fake from __command line__ interface.
@@ -33,7 +33,7 @@ please read the __[Fakerino wiki](https://github.com/niklongstone/Fakerino/wiki)
 Use [Composer](https://getcomposer.org/download/) to manage the dependencies of your project.
 ####In your project folder run:
 ```sh
-composer require fakerino/fakerino='~0.7'
+composer require fakerino/fakerino='~0.8'
 vendor/fakerino/fakerino/build/ods
 ```
 #### Like a stand-alone project run:

diff --git a/src/Fakerino/Core/FakeDataFactory.php b/src/Fakerino/Core/FakeDataFactory.php
@@ -163,6 +163,20 @@ public function num($num = 1)
         return $this;
     }
 
+    /**
+     * @param int|null $seed
+     *
+     * @return FakeDataFactory $this
+     */
+    public function seed($seed = null)
+    {
+        if ($seed !== null) {
+            mt_srand($seed);
+        }
+
+        return $this;
+    }
+
     /**
      * @return array
      */

diff --git a/src/Fakerino/Core/Filler/DbFiller.php b/src/Fakerino/Core/Filler/DbFiller.php
@@ -85,7 +85,7 @@ private function fakeColumn($fakeName, $fakeType)
     {
         switch ($fakeType) {
             case self::NUMERIC:
-                $result = $this->faker->fake(array('Integer' => array('length' => rand(6, 8))))->num(1);
+                $result = $this->faker->fake(array('Integer' => array('length' => mt_rand(6, 8))))->num(1);
                 break;
             case self::DATE:
                 $result = $this->faker->fake(array('date'))->num(1);

diff --git a/src/Fakerino/FakeData/Custom/Integer.php b/src/Fakerino/FakeData/Custom/Integer.php
@@ -31,7 +31,7 @@ class Integer extends AbstractFakeData
     public function getDefaultOptions()
     {
         return array(
-            'length' => rand(1, 5),
+            'length' => mt_rand(1, 5),
             'negative' => false,
             'type' => self::DECIMAL
         );

diff --git a/src/Fakerino/FakeData/Custom/Text.php b/src/Fakerino/FakeData/Custom/Text.php
@@ -26,7 +26,7 @@ class Text extends AbstractFakeData
     public function getDefaultOptions()
     {
         return array(
-            'length' => rand(3, 20),
+            'length' => mt_rand(3, 20),
             'addChar' => null
         );
     }

diff --git a/src/Fakerino/FakeData/Generator/DateGenerator.php b/src/Fakerino/FakeData/Generator/DateGenerator.php
@@ -29,7 +29,7 @@ public function generate()
         $startDate = $this->getOption('startDate');
         $endDate = $this->getOption('endDate');
 
-        $time = rand(strtotime($startDate), strtotime($endDate));
+        $time = mt_rand(strtotime($startDate), strtotime($endDate));
 
         return date($format, $time);
     }

diff --git a/src/Fakerino/FakeData/Generator/FileFakeGenerator.php b/src/Fakerino/FakeData/Generator/FileFakeGenerator.php
@@ -34,7 +34,8 @@ public function generate()
             . DIRECTORY_SEPARATOR;
         if ($fakeFile = FakeTxtFile::getSource($fileName, $path)) {
             $lines = file($fakeFile);
-            $element = $lines[array_rand($lines)];
+            $index = mt_rand(0, count($lines) - 1);
+            $element = $lines[$index];
 
             return preg_replace("/\r|\n/", "", $element);
         } else {

diff --git a/src/Fakerino/FakeData/Generator/IntegerGenerator.php b/src/Fakerino/FakeData/Generator/IntegerGenerator.php
@@ -62,7 +62,7 @@ private function createDecimal($length)
     {
         $min = pow(10, $length - 1);
         $max = pow(10, $length)  -1;
-        $fakeInteger = rand($min, $max);
+        $fakeInteger = mt_rand($min, $max);
 
         return $fakeInteger;
     }

diff --git a/src/Fakerino/FakeData/Generator/TextGenerator.php b/src/Fakerino/FakeData/Generator/TextGenerator.php
@@ -38,14 +38,26 @@ public function generate()
         if ($addChars !== null) {
             $chars .= $addChars;
         }
-        $stringShuffle = str_shuffle(str_repeat($chars, self::SHUFFLE));
+        $stringShuffle = $this->stringShuffle($chars);
         $length = $this->getOption('length');
         if ($length !== null) {
             $randomString = substr($stringShuffle, 0, $length);
         } else {
-            $randomString = substr($stringShuffle, 0, rand(self::MINLENGTH, self::MAXLENGTH));
+            $randomString = substr($stringShuffle, 0, mt_rand(self::MINLENGTH, self::MAXLENGTH));
         }
 
         return $randomString;
     }
+
+    private function stringShuffle($chars)
+    {
+        $shuffledString = '';
+        $charsLength =  strlen($chars);
+        for ($i = 0; $i < $charsLength; $i++) {
+            $rand = mt_rand(0, $charsLength - 1);
+            $shuffledString .= substr($chars, $rand, 1);
+        }
+
+        return $shuffledString;
+    }
 }
diff --git a/tests/Fakerino/Test/FakerinoTest.php b/tests/Fakerino/Test/FakerinoTest.php
@@ -50,14 +50,28 @@ public function testFakeData($conf, $element, $expected)
         $this->assertRegExp($expected, $result, sprintf("The result '%s' of '%s' doesn't match the expected regex '%s'", $result, serialize($element), $expected));
     }
 
+    /**
+     * @dataProvider provider
+     */
+    public function testFakeWithSeed($conf, $element)
+    {
+        $fakerino = Fakerino::create($conf);
+        mt_srand(2);
+        $result1 = $fakerino->fake($element)->__toString();
+        mt_srand(2);
+        $result2 = $fakerino->fake($element)->__toString();
+
+        $this->assertEquals($result1, $result2, sprintf("The first result '%s' and the second '%s'", $result1, $result2));
+    }
+
     public function provider()
     {
         return array(
-            array(null, array('text' => array('length' => 10)), '/\w{10}/'),
             array(null, array('text' => array('length' => 10)), '/\w{10}/'),
             array(null, 'surname', '/[^0-9.]/'),
             array(null, 'integer', '/[0-9]/'),
             array(null, 'lorem', '/\w/'),
+            array(null, 'date', '/[\d-]/'),
             array(
                 array(
                     'fake' => array('fakeTest' =>