Add initial tests for UserArrayFromResult

Change-Id: I92498011be44cd765cf336191810f47b61a0fd7e

diff --git a/tests/phpunit/includes/UserArrayFromResultTest.php b/tests/phpunit/includes/UserArrayFromResultTest.php
new file mode 100644 (file)
index 0000000..adc330d
--- /dev/null
+++ b/tests/phpunit/includes/UserArrayFromResultTest.php
@@ -0,0 +1,112 @@
+<?php
+
+/**
+ * @author Adam Shorland
+ * @covers UserArrayFromResult
+ */
+class UserArrayFromResultTest extends MediaWikiTestCase {
+
+       private function getMockResultWrapper( $row = null, $numRows = 1 ) {
+               $resultWrapper = $this->getMockBuilder( 'ResultWrapper' )
+                       ->disableOriginalConstructor();
+
+               $resultWrapper = $resultWrapper->getMock();
+               $resultWrapper->expects( $this->atLeastOnce() )
+                       ->method( 'current' )
+                       ->will( $this->returnValue( $row ) );
+               $resultWrapper->expects( $this->any() )
+                       ->method( 'numRows' )
+                       ->will( $this->returnValue( $numRows ) );
+
+               return $resultWrapper;
+       }
+
+       private function getRowWithUsername( $username = 'fooUser' ) {
+               $row = new stdClass();
+               $row->user_name = $username;
+               return $row;
+       }
+
+       private function getUserArrayFromResult( $resultWrapper ) {
+               return new UserArrayFromResult( $resultWrapper );
+       }
+
+       /**
+        * @covers UserArrayFromResult::__construct
+        */
+       public function testConstructionWithFalseRow() {
+               $row = false;
+               $resultWrapper = $this->getMockResultWrapper( $row );
+
+               $object = $this->getUserArrayFromResult( $resultWrapper );
+
+               $this->assertEquals( $resultWrapper, $object->res );
+               $this->assertSame( 0, $object->key );
+               $this->assertEquals( $row, $object->current );
+       }
+
+       /**
+        * @covers UserArrayFromResult::__construct
+        */
+       public function testConstructionWithRow() {
+               $username = 'addshore';
+               $row = $this->getRowWithUsername( $username );
+               $resultWrapper = $this->getMockResultWrapper( $row );
+
+               $object = $this->getUserArrayFromResult( $resultWrapper );
+
+               $this->assertEquals( $resultWrapper, $object->res );
+               $this->assertSame( 0, $object->key );
+               $this->assertInstanceOf( 'User', $object->current );
+               $this->assertEquals( $username, $object->current->mName );
+       }
+
+       public function provideNumberOfRows() {
+               return array(
+                       array( 0 ),
+                       array( 1 ),
+                       array( 122 ),
+               );
+       }
+
+       /**
+        * @dataProvider provideNumberOfRows
+        * @covers UserArrayFromResult::count
+        */
+       public function testCountWithVaryingValues( $numRows ) {
+               $object = $this->getUserArrayFromResult( $this->getMockResultWrapper( $this->getRowWithUsername(), $numRows ) );
+               $this->assertEquals( $numRows, $object->count() );
+       }
+
+       /**
+        * @covers UserArrayFromResult::current
+        */
+       public function testCurrentAfterConstruction() {
+               $username = 'addshore';
+               $userRow = $this->getRowWithUsername( $username );
+               $object = $this->getUserArrayFromResult( $this->getMockResultWrapper( $userRow ) );
+               $this->assertInstanceOf( 'User', $object->current() );
+               $this->assertEquals( $username, $object->current()->mName );
+       }
+
+       public function provideTestValid() {
+               return array(
+                       array( $this->getRowWithUsername(), true ),
+                       array( false, false ),
+               );
+       }
+
+       /**
+        * @dataProvider provideTestValid
+        * @covers UserArrayFromResult::valid
+        */
+       public function testValid( $input, $expected ) {
+               $object = $this->getUserArrayFromResult( $this->getMockResultWrapper( $input ) );
+               $this->assertEquals( $expected, $object->valid() );
+       }
+
+       //@todo unit test for key()
+       //@todo unit test for next()
+       //@todo unit test for rewind()
+
+}
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