task-cancel

Cancellation mechanism, written in typescript.

Install

npm install task-cancel

Usage

suite.test("When cancelled, isCancelRequested is true.", test => {
    test.arrange();
    let source = new CancelTokenSource();
    source.cancel();

    test.assert();
    assert.equal(source.token.isCancelRequested, true);
});

suite.test("When cancelled, onCancel is triggered.", test => {
    test.arrange();
    let source = new CancelTokenSource();
    let isTriggered = false;
    source.token.onCancel.add(() => isTriggered = true);

    test.act();
    source.cancel();

    test.assert();
    assert.equal(isTriggered, true);
});

suite.test("When link cancelled, isCancelRequested is true.", test => {
    test.arrange();
    let parent = new CancelTokenSource();
    let source = new CancelTokenSource([parent.token]);

    test.act();
    parent.cancel();

    test.assert();
    assert.equal(source.token.isCancelRequested, true);
});