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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (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 PHPUnit\Framework;
use PHPUnit\TestFixture\EmptyTestCaseTest;
/**
* @small
*/
final class TestSuiteIteratorTest extends TestCase
{
public function testKeyForEmptyTestSuiteInitiallyReturnsZero(): void
{
$testSuite = new TestSuite;
$subject = new TestSuiteIterator($testSuite);
$this->assertSame(0, $subject->key());
}
public function testValidForEmptyTestSuiteInitiallyReturnsFalse(): void
{
$testSuite = new TestSuite;
$subject = new TestSuiteIterator($testSuite);
$this->assertFalse($subject->valid());
}
public function testKeyForNonEmptyTestSuiteInitiallyReturnsZero(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$this->assertSame(0, $subject->key());
}
public function testValidForNonEmptyTestSuiteInitiallyReturnsTrue(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$this->assertTrue($subject->valid());
}
public function testCurrentForNonEmptyTestSuiteInitiallyReturnsFirstTest(): void
{
$test = new EmptyTestCaseTest;
$testSuite = new TestSuite;
$testSuite->addTest($test);
$subject = new TestSuiteIterator($testSuite);
$this->assertSame($test, $subject->current());
}
public function testRewindResetsKeyToZero(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$subject->next();
$subject->rewind();
$this->assertSame(0, $subject->key());
}
public function testRewindResetsCurrentToFirstElement(): void
{
$testSuite = new TestSuite;
$test = new EmptyTestCaseTest;
$testSuite->addTest($test);
$subject = new TestSuiteIterator($testSuite);
$subject->next();
$subject->rewind();
$this->assertSame($test, $subject->current());
}
public function testNextIncreasesKeyFromZeroToOne(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$subject->next();
$this->assertSame(1, $subject->key());
}
public function testValidAfterLastElementReturnsFalse(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$subject->next();
$this->assertFalse($subject->valid());
}
public function testGetChildrenForEmptyTestSuiteThrowsException(): void
{
$subject = new TestSuiteIterator(new TestSuite);
$this->expectException(NoChildTestSuiteException::class);
$subject->getChildren();
}
public function testGetChildrenForCurrentTestThrowsException(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$this->expectException(NoChildTestSuiteException::class);
$subject->getChildren();
}
public function testGetChildrenReturnsNewInstanceWithCurrentTestSuite(): void
{
$childSuite = new TestSuite;
$test = new EmptyTestCaseTest;
$childSuite->addTest($test);
$testSuite = new TestSuite;
$testSuite->addTest($childSuite);
$subject = new TestSuiteIterator($testSuite);
$children = $subject->getChildren();
$this->assertNotSame($subject, $children);
$this->assertSame($test, $children->current());
}
public function testHasChildrenForCurrentTestSuiteReturnsTrue(): void
{
$testSuite = new TestSuite;
$childSuite = new TestSuite;
$testSuite->addTest($childSuite);
$subject = new TestSuiteIterator($testSuite);
$this->assertTrue($subject->hasChildren());
}
public function testHasChildrenForCurrentTestReturnsFalse(): void
{
$subject = new TestSuiteIterator($this->suiteWithEmptyTestCase());
$this->assertFalse($subject->hasChildren());
}
public function testHasChildrenForNoTestsReturnsFalse(): void
{
$subject = new TestSuiteIterator(new TestSuite);
$this->assertFalse($subject->hasChildren());
}
private function suiteWithEmptyTestCase(): TestSuite
{
$suite = new TestSuite;
$suite->addTest(new EmptyTestCaseTest);
return $suite;
}
}
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