import { expect } from "chai";
import { AftMochaTest, aftMochaTest } from "../src";
import * as sinon from "sinon";
import { Retry, containing, retry } from "aft-core";

describe('AftMochaReporter', () => {
    it('passes a Mocha Test to the test that can be used by AftMochaTest', async function () {
        this.timeout(10000);
        const t = new AftMochaTest(this);
        const shouldRun = await t.shouldRun();
        if (!shouldRun.result) { 
            await t.pending(shouldRun.message);
        }
        expect(t).to.exist;
        expect(t.reporter).to.exist;
        expect(t.reporter.name).to.equal(t.description);

        await t.reporter.trace('sample log message');
    });

    it('can skip a test during execution', async function() {
        this.timeout(10000);
        const t = new AftMochaTest(this);
        sinon.stub(t, 'shouldRun').callsFake(() => Promise.resolve({result: false, message: 'fake'}));
        const shouldRun = await t.shouldRun();
        if (!shouldRun.result) { 
            this.skip();
        }
        
        expect(true).to.be.false;
    });

    it('still works if using an arrow function', async () => {
        const t = new AftMochaTest(this);
        
        expect(t).to.exist;
        expect(t.reporter).to.exist;
        expect(t.description).to.contain(AftMochaTest.name);
        // NOTE: arrow functions have no `this` so `this.test.fullTitle()` doesn't exist
        expect(t.reporter.name).to.equal(t.description);

        await t.reporter.trace('sample log message from aft-mocha-reporter.spec with arrow function');
    });

    it('[C1234] provides a AftMochaTest instance for use in test control', async function() {
        this.timeout(10000);
        await aftMochaTest(this, async (v: AftMochaTest) => {
            await v.verify(v.description, 'AftMochaReporter [C1234] provides a AftMochaTest instance for use in test control');
            await v.verify(v.testIds, containing('C1234'), 'expected to parse test ID from description');
        });
    });

    it('[C9999] allows retry to be wrapped around the aftMochaTest', async function() {
        let index = 0;
        await retry((r: Retry<AftMochaTest>) => aftMochaTest(this, async (t: AftMochaTest) => {
            await t.verify(index++, 2, '[C9999]');
        }, {
            additionalMetadata: {
                attempt: r.totalAttempts
            }
        }), {
            delay: 10,
            backOffType: 'linear',
            maxDuration: 5000
        }).until((t: AftMochaTest) => t.status === 'passed');
    });
});