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errorLogger.test.js
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errorLogger.test.js
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QUnit.module( 'mediawiki.base/errorLogger', () => {
QUnit.test( 'installGlobalHandler', function ( assert ) {
const errorMessage = 'Foo';
const url = 'http://example.com';
const lineNumber = '123';
const columnNumber = '45';
const errorObject = new Error( 'Foo' );
const track = this.sandbox.stub( mw, 'track' );
let w = {};
mw.errorLogger.installGlobalHandler( w );
assert.strictEqual( typeof w.onerror, 'function', 'install global handler' );
assert.false(
w.onerror(
errorMessage,
url,
lineNumber,
columnNumber,
errorObject
),
'return value when there is no previous handler'
);
assert.deepEqual( track.getCall( 0 ).args, [
'global.error',
{
errorMessage,
url,
lineNumber,
columnNumber,
errorObject,
stackTrace: errorObject.stack
}
], 'global.errror call' );
assert.deepEqual( track.getCall( 1 ).args, [ 'error.uncaught', errorObject ], 'error.uncaught call' );
// ---
const oldHandler = this.sandbox.stub();
w = { onerror: oldHandler };
mw.errorLogger.installGlobalHandler( w );
w.onerror( errorMessage, url, lineNumber );
assert.deepEqual(
oldHandler.firstCall.args,
[ errorMessage, url, lineNumber ],
'oldHandler call'
);
oldHandler.returns( false );
assert.false( w.onerror( errorMessage, url, lineNumber ), 'return value when previous handler returns false' );
oldHandler.returns( true );
assert.true( w.onerror( errorMessage, url, lineNumber ), 'return value when previous handler returns true' );
} );
QUnit.test( 'logError', function ( assert ) {
const errorObject = new Error( 'Foo' );
const track = this.sandbox.stub( mw, 'track' );
mw.errorLogger.logError( errorObject );
assert.deepEqual( track.getCall( 0 ).args, [ 'error.caught', errorObject ], 'track caught' );
mw.errorLogger.logError( errorObject, 'error.vue' );
assert.deepEqual( track.getCall( 1 ).args, [ 'error.vue', errorObject ], 'track vue' );
} );
} );

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