Create OneOf filter

Author: henriquemoody

README.md

@@ -122,7 +122,8 @@ $criteria->foo->equalTo(2)
          ->corge->between(array(1, 42))
          ->grault->lessThan(1000)
          ->garply->greaterThan(0)
-         ->waldo->notEqualTo(false);
+         ->waldo->notEqualTo(false)
+         ->fred->greaterThanOrEqualTo(13);
 
 $storage->users->find($criteria);
 ```

src/Criteria.php

@@ -69,6 +69,13 @@ public function __call($methodName, array $arguments = array())
         if (0 === strpos($methodName, 'not')) {
             $shortName = substr($methodName, 3);
             $filter = new Not($this->newFilterInstance($shortName, $arguments));
+        } elseif (false !== strpos($methodName, 'Or')) {
+            $pieces = explode('Or', $methodName);
+            $filters = array();
+            foreach ($pieces as $shortName) {
+                $filters[] = $this->newFilterInstance($shortName, $arguments);
+            }
+            $filter = new OneOf($filters);
         } else {
             $filter = $this->newFilterInstance($methodName, $arguments);
         }

src/Filter/OneOf.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace PHPFluent\ArrayStorage\Filter;
+
+use InvalidArgumentException;
+
+class OneOf implements Filter
+{
+    protected $filters = array();
+
+    public function __construct(array $filters)
+    {
+        foreach ($filters as $filter) {
+            if (! $filter instanceof Filter) {
+                throw new InvalidArgumentException('Filter is not valid');
+            }
+            $this->filters[] = $filter;
+        }
+    }
+
+    public function getFilters()
+    {
+        return $this->filters;
+    }
+
+    public function isValid($input)
+    {
+        foreach ($this->getFilters() as $filter) {
+            if (! $filter->isValid($input)) {
+                continue;
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+}

tests/CriteriaTest.php

@@ -120,4 +120,15 @@ public function testShouldUseNotFilterWhenUsingTheWordNotInTheFilterName()
 
         $this->assertFalse($criteria->isValid($record));
     }
+
+    public function testShouldUseOneOfFilterWhenUsingTheWordOrInTheFilterName()
+    {
+        $criteria = new Criteria();
+        $criteria->foo->greaterThanOrEqualTo(42);
+
+        $record = new Record();
+        $record->foo = 42;
+
+        $this->assertTrue($criteria->isValid($record));
+    }
 }

tests/Filter/OneOfTest.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace PHPFluent\ArrayStorage\Filter;
+
+/**
+ * @covers PHPFluent\ArrayStorage\Filter\OneOf
+ */
+class OneOfTest extends \PHPUnit_Framework_TestCase
+{
+    protected function filter($return = false)
+    {
+        return $this->getMock('PHPFluent\ArrayStorage\Filter\Filter');
+    }
+
+    public function testShouldAcceptFiltersOnConstructor()
+    {
+        $filters = array(
+            $this->filter(),
+            $this->filter(),
+        );
+        $filter = new OneOf($filters);
+
+        $this->assertSame($filters, $filter->getFilters());
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     * @expectedExceptionMessage Filter is not valid
+     */
+    public function testShouldThrowsExceptionWhenFilterIsNotValid()
+    {
+        $filters = array(
+            $this->filter(),
+            'foo',
+        );
+        $filter = new OneOf($filters);
+    }
+
+    public function testShouldReturnFalseIfAllFiltersAreInvalid()
+    {
+        $filter1 = $this->filter();
+        $filter1
+            ->expects($this->once())
+            ->method('isValid')
+            ->will($this->returnValue(false));
+
+        $filter2 = $this->filter();
+        $filter2
+            ->expects($this->once())
+            ->method('isValid')
+            ->will($this->returnValue(false));
+
+        $filters = array(
+            $filter1,
+            $filter2,
+        );
+
+        $filter = new OneOf($filters);
+
+        $this->assertFalse($filter->isValid('Value'));
+    }
+
+    public function testShouldReturnTrueIfAtLeastOneFilterIsValid()
+    {
+        $filter1 = $this->filter();
+        $filter1
+            ->expects($this->once())
+            ->method('isValid')
+            ->will($this->returnValue(true));
+
+        $filter2 = $this->filter();
+        $filter2
+            ->expects($this->never())
+            ->method('isValid');
+
+        $filters = array(
+            $filter1,
+            $filter2,
+        );
+
+        $filter = new OneOf($filters);
+
+        $this->assertTrue($filter->isValid('Value'));
+    }
+}