MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / diff / ArrayDiffFormatterTest.php

<?php

/**
 * @author Addshore
 *
 * @group Diff
 */
class ArrayDiffFormatterTest extends MediaWikiTestCase {

        /**
         * @param Diff $input
         * @param array $expectedOutput
         * @dataProvider provideTestFormat
         * @covers ArrayDiffFormatter::format
         */
        public function testFormat( $input, $expectedOutput ) {
                $instance = new ArrayDiffFormatter();
                $output = $instance->format( $input );
                $this->assertEquals( $expectedOutput, $output );
        }

        private function getMockDiff( $edits ) {
                $diff = $this->getMockBuilder( 'Diff' )
                        ->disableOriginalConstructor()
                        ->getMock();
                $diff->expects( $this->any() )
                        ->method( 'getEdits' )
                        ->will( $this->returnValue( $edits ) );
                return $diff;
        }

        private function getMockDiffOp( $type = null, $orig = [], $closing = [] ) {
                $diffOp = $this->getMockBuilder( 'DiffOp' )
                        ->disableOriginalConstructor()
                        ->getMock();
                $diffOp->expects( $this->any() )
                        ->method( 'getType' )
                        ->will( $this->returnValue( $type ) );
                $diffOp->expects( $this->any() )
                        ->method( 'getOrig' )
                        ->will( $this->returnValue( $orig ) );
                if ( $type === 'change' ) {
                        $diffOp->expects( $this->any() )
                                ->method( 'getClosing' )
                                ->with( $this->isType( 'integer' ) )
                                ->will( $this->returnCallback( function () {
                                        return 'mockLine';
                                } ) );
                } else {
                        $diffOp->expects( $this->any() )
                                ->method( 'getClosing' )
                                ->will( $this->returnValue( $closing ) );
                }
                return $diffOp;
        }

        public function provideTestFormat() {
                $emptyArrayTestCases = [
                        $this->getMockDiff( [] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'add' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'delete' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'change' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'copy' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'FOOBARBAZ' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'add', 'line' ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [], [ 'line' ] ) ] ),
                        $this->getMockDiff( [ $this->getMockDiffOp( 'copy', [], [ 'line' ] ) ] ),
                ];

                $otherTestCases = [];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp( 'add', [], [ 'a1' ] ) ] ),
                        [ [ 'action' => 'add', 'new' => 'a1', 'newline' => 1 ] ],
                ];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp( 'add', [], [ 'a1', 'a2' ] ) ] ),
                        [
                                [ 'action' => 'add', 'new' => 'a1', 'newline' => 1 ],
                                [ 'action' => 'add', 'new' => 'a2', 'newline' => 2 ],
                        ],
                ];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [ 'd1' ] ) ] ),
                        [ [ 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ] ],
                ];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp( 'delete', [ 'd1', 'd2' ] ) ] ),
                        [
                                [ 'action' => 'delete', 'old' => 'd1', 'oldline' => 1 ],
                                [ 'action' => 'delete', 'old' => 'd2', 'oldline' => 2 ],
                        ],
                ];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp( 'change', [ 'd1' ], [ 'a1' ] ) ] ),
                        [ [
                                'action' => 'change',
                                'old' => 'd1',
                                'new' => 'mockLine',
                                'newline' => 1, 'oldline' => 1
                        ] ],
                ];
                $otherTestCases[] = [
                        $this->getMockDiff( [ $this->getMockDiffOp(
                                'change',
                                [ 'd1', 'd2' ],
                                [ 'a1', 'a2' ]
                        ) ] ),
                        [
                                [
                                        'action' => 'change',
                                        'old' => 'd1',
                                        'new' => 'mockLine',
                                        'newline' => 1, 'oldline' => 1
                                ],
                                [
                                        'action' => 'change',
                                        'old' => 'd2',
                                        'new' => 'mockLine',
                                        'newline' => 2, 'oldline' => 2
                                ],
                        ],
                ];

                $testCases = [];
                foreach ( $emptyArrayTestCases as $testCase ) {
                        $testCases[] = [ $testCase, [] ];
                }
                foreach ( $otherTestCases as $testCase ) {
                        $testCases[] = [ $testCase[0], $testCase[1] ];
                }
                return $testCases;
        }

}