facile-it / paraunit

 */

class CoverageFetcherTest extends BaseUnitTestCase

{

    public function testFetch()

    {

        $process = new StubbedParaunitProcess('test.php', 'uniqueId');

        $filename = $this->getTempFilename();

        copy($this->getCoverageStubFilePath(), $filename);

        $this->assertFileExists($filename, 'Test malformed, stub log file not found');

        $tempFilenameFactory = $this->prophesize(TempFilenameFactory::class);

        $tempFilenameFactory->getFilenameForCoverage('uniqueId')

            ->shouldBeCalled()

            ->willReturn($filename);

        $missingCoverageContainer = $this->prophesize(TestResultHandlerInterface::class);

        $missingCoverageContainer->addProcessToFilenames($process)

            ->shouldNotBeCalled();

        $fetcher = new CoverageFetcher($tempFilenameFactory->reveal(), $missingCoverageContainer->reveal());

        $result = $fetcher->fetch($process);

        $this->assertInstanceOf(CodeCoverage::class, $result);

        $this->assertNotEmpty($result->getData());

        $this->assertFileNotExists($filename, 'Coverage file should be deleted to preserve memory');

    }

    public function testFetchIgnoresMissingCoverageFiles()

    {

        $this->assertEmpty($result->getData());

    }

    public function testFetchIgnoresWrongFiles()

    {

        $process = new StubbedParaunitProcess('test.php', 'uniqueId');

        $filename = $this->getTempFilename();

        copy($this->getWrongCoverageStubFilePath(), $filename);

        $this->assertFileExists($filename, 'Test malformed, stub log file not found');

        $tempFilenameFactory = $this->prophesize(TempFilenameFactory::class);

        $tempFilenameFactory->getFilenameForCoverage('uniqueId')

            ->shouldBeCalled()

            ->willReturn($filename);

        $missingCoverageContainer = $this->prophesize(TestResultHandlerInterface::class);

        $missingCoverageContainer->addProcessToFilenames($process)

            ->shouldBeCalled();

        $fetcher = new CoverageFetcher($tempFilenameFactory->reveal(), $missingCoverageContainer->reveal());

        $result = $fetcher->fetch($process);

        $this->assertInstanceOf(CodeCoverage::class, $result);

        $this->assertEmpty($result->getData());

        $this->assertFileNotExists($filename, 'Coverage file should be deleted to preserve memory');

    }

    private function getTempFilename(): string

    {