tests/qunit/suites/resources/mediawiki/mediawiki.errorLogger.test.js

   1 ( function ( $, mw ) {
   2         QUnit.module( 'mediawiki.errorLogger', QUnit.newMwEnvironment() );
   3
   4         QUnit.test( 'installGlobalHandler', 7, function ( assert ) {
   5                 var w = {},
   6                         errorMessage = 'Foo',
   7                         errorUrl = 'http://example.com',
   8                         errorLine = '123',
   9                         errorColumn = '45',
  10                         errorObject = new Error( 'Foo' ),
  11                         oldHandler = this.sandbox.stub();
  12
  13                 this.sandbox.stub( mw, 'track' );
  14
  15                 mw.errorLogger.installGlobalHandler( w );
  16
  17                 assert.ok( w.onerror, 'Global handler has been installed' );
  18                 assert.strictEqual( w.onerror( errorMessage, errorUrl, errorLine ), false,
  19                         'Global handler returns false when there is no previous handler' );
  20                 sinon.assert.calledWithExactly( mw.track, 'global.error',
  21                         sinon.match( { errorMessage: errorMessage, url: errorUrl, lineNumber: errorLine } ) );
  22
  23                 mw.track.reset();
  24                 w.onerror( errorMessage, errorUrl, errorLine, errorColumn, errorObject );
  25                 sinon.assert.calledWithExactly( mw.track, 'global.error',
  26                         sinon.match( { errorMessage: errorMessage, url: errorUrl, lineNumber: errorLine,
  27                         columnNumber: errorColumn, errorObject: errorObject } ) );
  28
  29                 w = { onerror: oldHandler };
  30
  31                 mw.errorLogger.installGlobalHandler( w );
  32                 w.onerror( errorMessage, errorUrl, errorLine );
  33                 sinon.assert.calledWithExactly( oldHandler, errorMessage, errorUrl, errorLine );
  34
  35                 oldHandler.returns( false );
  36                 assert.strictEqual( w.onerror( errorMessage, errorUrl, errorLine ), false,
  37                         'Global handler preserves false return from previous handler' );
  38                 oldHandler.returns( true );
  39                 assert.strictEqual( w.onerror( errorMessage, errorUrl, errorLine ), true,
  40                         'Global handler preserves true return from previous handler' );
  41         } );
  42 }( jQuery, mediaWiki ) );