StructureTest.php

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<?php
class StructureTest extends MediaWikiTestCase {
    public function testUnitTestFileNamesEndWithTest() {
        if ( wfIsWindows() ) {
            $this->markTestSkipped( 'This test does not work on Windows' );
        }
        $rootPath = escapeshellarg( __DIR__ . '/..' );
        $testClassRegex = implode( '|', array(
            'ApiFormatTestBase',
            'ApiTestCase',
            'ApiQueryTestBase',
            'ApiQueryContinueTestBase',
            'MediaWikiLangTestCase',
            'MediaWikiTestCase',
            'PHPUnit_Framework_TestCase',
            'DumpTestCase',
        ) );
        $testClassRegex = "^class .* extends ($testClassRegex)";
        $finder = "find $rootPath -name '*.php' '!' -name '*Test.php'" .
            " | xargs grep -El '$testClassRegex|function suite\('";

        $results = null;
        $exitCode = null;
        exec( $finder, $results, $exitCode );

        $this->assertEquals(
            0,
            $exitCode,
            'Verify find/grep command succeeds.'
        );

        $results = array_filter(
            $results,
            array( $this, 'filterSuites' )
        );
        $strip = strlen( $rootPath ) - 1;
        foreach ( $results as $k => $v ) {
            $results[$k] = substr( $v, $strip );
        }
        $this->assertEquals(
            array(),
            $results,
            "Unit test file in $rootPath must end with Test."
        );
    }

    public function filterSuites( $filename ) {
        return strpos( $filename, __DIR__ . '/../suites/' ) !== 0;
    }
}