Added Contains expander

Author: norberttech

src/Coduo/PHPMatcher/Matcher/Pattern/Expander/Contains.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Coduo\PHPMatcher\Matcher\Pattern\Expander;
+
+use Coduo\PHPMatcher\Matcher\Pattern\PatternExpander;
+use Coduo\ToString\String;
+
+class Contains implements PatternExpander
+{
+    /**
+     * @var null|string
+     */
+    private $error;
+
+    /**
+     * @var
+     */
+    private $string;
+
+    /**
+     * @var bool
+     */
+    private $ignoreCase;
+
+    /**
+     * @param $string
+     * @param bool $ignoreCase
+     */
+    public function __construct($string, $ignoreCase = false)
+    {
+        $this->string = $string;
+        $this->ignoreCase = $ignoreCase;
+    }
+
+    /**
+     * @param $value
+     * @return boolean
+     */
+    public function match($value)
+    {
+        if (!is_string($value)) {
+            $this->error = sprintf("Contains expander require \"string\", got \"%s\".", new String($value));
+            return false;
+        }
+
+        $contains = $this->ignoreCase
+            ? mb_strpos(mb_strtolower($value), mb_strtolower($this->string))
+            : mb_strpos($value, $this->string);
+
+        if ($contains === false) {
+            $this->error = sprintf("String \"%s\" doesn't contains \"%s\".", $value, $this->string);
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * @return string|null
+     */
+    public function getError()
+    {
+        return $this->error;
+    }
+}

src/Coduo/PHPMatcher/Parser.php

@@ -28,7 +28,8 @@ class Parser
         "notEmpty" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\NotEmpty",
         "lowerThan" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\LowerThan",
         "greaterThan" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\GreaterThan",
-        "inArray" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\InArray"
+        "inArray" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\InArray",
+        "contains" => "Coduo\\PHPMatcher\\Matcher\\Pattern\\Expander\\Contains"
     );
 
     /**

tests/Coduo/PHPMatcher/Matcher/Pattern/Expander/ContainsTest.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Coduo\PHPMatcher\Tests\Matcher\Pattern\Expander;
+
+use Coduo\PHPMatcher\Matcher;
+use Coduo\PHPMatcher\Matcher\Pattern\Expander\Contains;
+
+class ContainsTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider examplesIgnoreCaseProvider
+     */
+    public function test_matching_values_ignore_case($needle, $haystack, $expectedResult)
+    {
+        $expander = new Contains($needle);
+        $this->assertEquals($expectedResult, $expander->match($haystack));
+    }
+
+    public static function examplesIgnoreCaseProvider()
+    {
+        return array(
+            array("ipsum", "lorem ipsum", true),
+            array("wor", "this is my hello world string", true),
+            array("lol", "lorem ipsum", false),
+            array("NO", "norbert", false)
+        );
+    }
+
+    /**
+     * @dataProvider examplesProvider
+     */
+    public function test_matching_values($needle, $haystack, $expectedResult)
+    {
+        $expander = new Contains($needle, true);
+        $this->assertEquals($expectedResult, $expander->match($haystack));
+    }
+
+    public static function examplesProvider()
+    {
+        return array(
+            array("IpSum", "lorem ipsum", true),
+            array("wor", "this is my hello WORLD string", true),
+            array("lol", "LOREM ipsum", false),
+            array("NO", "NORBERT", true)
+        );
+    }
+
+    /**
+     * @dataProvider invalidCasesProvider
+     */
+    public function test_error_when_matching_fail($string, $value, $errorMessage)
+    {
+        $expander = new Contains($string);
+        $this->assertFalse($expander->match($value));
+        $this->assertEquals($errorMessage, $expander->getError());
+    }
+
+    public static function invalidCasesProvider()
+    {
+        return array(
+            array("ipsum", "hello world", "String \"hello world\" doesn't contains \"ipsum\"."),
+            array("lorem", new \DateTime(), "Contains expander require \"string\", got \"\\DateTime\"."),
+        );
+    }
+}

tests/Coduo/PHPMatcher/Matcher/StringMatcherTest.php

@@ -73,6 +73,7 @@ public static function positiveMatchData()
             array("lorem ipsum", "@[email protected]()"),
             array("lorem ipsum", "@[email protected]('lorem')"),
             array("lorem ipsum", "@[email protected]('ipsum')"),
+            array("lorem ipsum dolor", "@[email protected]('lorem').contains('ipsum').endsWith('dolor')"),
         );
     }