96 lines
2.3 KiB
JavaScript
96 lines
2.3 KiB
JavaScript
QUnit.module( 'mediawiki.base/track', () => {
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QUnit.test( 'track', ( assert ) => {
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const sequence = [];
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mw.trackSubscribe( 'simple', ( topic, data ) => {
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sequence.push( [ topic, data ] );
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} );
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mw.track( 'simple', { key: 1 } );
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mw.track( 'simple', { key: 2 } );
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assert.deepEqual( sequence, [
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[ 'simple', { key: 1 } ],
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[ 'simple', { key: 2 } ]
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], 'Events after subscribing' );
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} );
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QUnit.test( 'trackSubscribe', ( assert ) => {
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const sequence = [];
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mw.track( 'before', { key: 1 } );
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mw.track( 'before', { key: 2 } );
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mw.trackSubscribe( 'before', ( topic, data ) => {
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sequence.push( [ topic, data ] );
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} );
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mw.track( 'before', { key: 3 } );
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assert.deepEqual( sequence, [
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[ 'before', { key: 1 } ],
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[ 'before', { key: 2 } ],
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[ 'before', { key: 3 } ]
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], 'Replay events from before subscribing' );
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mw.track( 'context', { key: 0 } );
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mw.trackSubscribe( 'context', function ( topic, data ) {
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assert.strictEqual( this.topic, topic, 'thisValue has topic' );
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assert.strictEqual( this.data, data, 'thisValue has data' );
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} );
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} );
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QUnit.test( 'trackUnsubscribe', ( assert ) => {
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const sequence = [];
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function unsubber( topic, data ) {
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sequence.push( [ topic, data ] );
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}
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mw.track( 'unsub', { key: 1 } );
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mw.trackSubscribe( 'unsub', unsubber );
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mw.track( 'unsub', { key: 2 } );
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mw.trackUnsubscribe( unsubber );
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mw.track( 'unsub', { key: 3 } );
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assert.deepEqual( sequence, [
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[ 'unsub', { key: 1 } ],
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[ 'unsub', { key: 2 } ]
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], 'Stop when unsubscribing' );
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} );
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QUnit.test( 'trackError', function ( assert ) {
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const fn = mw.track;
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function logError( topic, data ) {
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if ( typeof data !== 'string' ) {
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// eslint-disable-next-line no-console
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console.error( 'trackError test: unexpected non-string data', data );
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data = JSON.stringify( data );
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}
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assert.step( data );
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}
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this.sandbox.stub( console, 'log' );
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// Simulate startup time
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mw.track = undefined;
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assert.step( 'emit1' );
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mw.trackError( 'foo' );
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// Simulate mediawiki.base arriving
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mw.track = fn;
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assert.step( 'sub' );
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mw.trackSubscribe( 'resourceloader.exception', logError );
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assert.step( 'emit2' );
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mw.trackError( 'bar' );
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assert.verifySteps( [
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'emit1',
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'sub',
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'foo',
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'emit2',
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'bar'
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] );
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// Teardown
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mw.trackUnsubscribe( logError );
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} );
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} );
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