<?php
/*
* This file is part of sebastian/comparator.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace SebastianBergmann\Comparator;

use PHPUnit\Framework\TestCase;

/**
* @coversDefaultClass SebastianBergmann\Comparator\ResourceComparator
*
* @uses SebastianBergmann\Comparator\Comparator
* @uses SebastianBergmann\Comparator\Factory
* @uses SebastianBergmann\Comparator\ComparisonFailure
*/
class ResourceComparatorTest extends TestCase
{
private $comparator;

protected function setUp()
{
$this->comparator = new ResourceComparator;
}

public function acceptsSucceedsProvider()
{
$tmpfile1 = \tmpfile();
$tmpfile2 = \tmpfile();

return [
[$tmpfile1, $tmpfile1],
[$tmpfile2, $tmpfile2],
[$tmpfile1, $tmpfile2]
];
}

public function acceptsFailsProvider()
{
$tmpfile1 = \tmpfile();

return [
[$tmpfile1, null],
[null, $tmpfile1],
[null, null]
];
}

public function assertEqualsSucceedsProvider()
{
$tmpfile1 = \tmpfile();
$tmpfile2 = \tmpfile();

return [
[$tmpfile1, $tmpfile1],
[$tmpfile2, $tmpfile2]
];
}

public function assertEqualsFailsProvider()
{
$tmpfile1 = \tmpfile();
$tmpfile2 = \tmpfile();

return [
[$tmpfile1, $tmpfile2],
[$tmpfile2, $tmpfile1]
];
}

/**
* @covers ::accepts
* @dataProvider acceptsSucceedsProvider
*/
public function testAcceptsSucceeds($expected, $actual)
{
$this->assertTrue(
$this->comparator->accepts($expected, $actual)
);
}

/**
* @covers ::accepts
* @dataProvider acceptsFailsProvider
*/
public function testAcceptsFails($expected, $actual)
{
$this->assertFalse(
$this->comparator->accepts($expected, $actual)
);
}

/**
* @covers ::assertEquals
* @dataProvider assertEqualsSucceedsProvider
*/
public function testAssertEqualsSucceeds($expected, $actual)
{
$exception = null;

try {
$this->comparator->assertEquals($expected, $actual);
} catch (ComparisonFailure $exception) {
}

$this->assertNull($exception, 'Unexpected ComparisonFailure');
}

/**
* @covers ::assertEquals
* @dataProvider assertEqualsFailsProvider
*/
public function testAssertEqualsFails($expected, $actual)
{
$this->expectException(ComparisonFailure::class);

$this->comparator->assertEquals($expected, $actual);
}
}