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ve.Scheduler.test.js
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ve.Scheduler.test.js
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/*!
* VisualEditor Scheduler tests.
*
* @copyright See AUTHORS.txt
*/
QUnit.module( 've.Scheduler' );
/* Stubs */
ve.TestScheduler = function VeTestScheduler() {
// Parent constructor
ve.TestScheduler.super.apply( this, arguments );
this.nowCounter = 0;
};
OO.inheritClass( ve.TestScheduler, ve.Scheduler );
ve.TestScheduler.static.maxDelay = 5;
ve.TestScheduler.prototype.now = function () {
return this.nowCounter++;
};
/* Tests */
QUnit.test( 'Call with no real async', ( assert ) => {
const scheduler = new ve.TestScheduler(),
begun = assert.async(),
done = assert.async();
scheduler.schedule(
() => {
assert.true( true, 'initial action was called' );
begun();
},
() => true
).done( () => {
assert.true( true, 'promise was resolved' );
done();
} );
} );
QUnit.test( 'Call with delay', ( assert ) => {
const scheduler = new ve.TestScheduler(),
begun = assert.async(),
done = assert.async();
let delayed = false;
scheduler.schedule(
() => {
assert.true( true, 'initial action was called' );
setTimeout( () => {
delayed = true;
assert.true( true, 'setTimeout delay occurred' );
} );
begun();
},
() => delayed
).done( () => {
assert.true( true, 'promise was resolved' );
done();
} );
} );
QUnit.test( 'Test that throws an exception', ( assert ) => {
const scheduler = new ve.TestScheduler(),
begun = assert.async(),
done = assert.async();
scheduler.schedule(
() => {
assert.true( true, 'initial action was called' );
begun();
},
() => {
throw new Error();
}
).done( () => {
assert.true( false, 'promise was wrongly resolved as successful' );
} ).fail( () => {
assert.true( true, 'promise was rejected' );
done();
} );
} );
QUnit.test( 'Test that never succeeds', ( assert ) => {
const scheduler = new ve.TestScheduler(),
begun = assert.async(),
done = assert.async();
scheduler.schedule(
() => {
assert.true( true, 'initial action was called' );
begun();
},
() => false
).done( () => {
assert.true( false, 'promise was wrongly resolved as successful' );
done();
} ).fail( () => {
assert.true( true, 'promise was rejected' );
done();
} );
} );

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