tests/phpunit/structure/CodexTokenDefaultsTest.php

   1 <?php
   2 /**
   3  * Checks that all Codex tokens have defaults defined in mediawiki.skin.defaults.less
   4  *
   5  * @coversNothing
   6  */
   7 class CodexTokenDefaultsTest extends MediaWikiIntegrationTestCase {
   8
   9         public function testTokenDefaults() {
  10                 $resourcesPath = __DIR__ . '/../../../resources';
  11                 $codexTokensLess = "$resourcesPath/lib/codex-design-tokens/theme-wikimedia-ui.less";
  12                 $defaultsLess = "$resourcesPath/src/mediawiki.less/mediawiki.skin.defaults.less";
  13
  14                 $codexVars = static::getVariableNames( $codexTokensLess );
  15                 $defaultVars = static::getVariableNames( $defaultsLess );
  16                 $missingVars = array_values( array_diff( $codexVars, $defaultVars ) );
  17                 $this->assertEquals( [], $missingVars );
  18         }
  19
  20         protected static function getVariableNames( $lessFilePath ) {
  21                 // We'd like to do something like:
  22                 //     $parser = new Less_Parser;
  23                 //     $parser->parseFile( $lessFilePath, '' );
  24                 //     $parser->getCss(); // Have to call this for ->getVariables() to work; discard the result
  25                 //     return array_keys( $parser->getVariables() );
  26                 // But that doesn't work, the Less compiler appears to crash because of the calc() and rgba()
  27                 // calls in the variable values. Instead, use regexes :(
  28
  29                 $fileContents = file_get_contents( $lessFilePath );
  30                 $matches = null;
  31                 preg_match_all( '/^@([^:]+):/m', $fileContents, $matches, PREG_PATTERN_ORDER );
  32                 return $matches[1];
  33         }
  34 }