//

// Note: This example test is leveraging the Mocha test framework.

// Please refer to their documentation on https://mochajs.org/ for help.

//

// Place this right on top

import { initialize } from './../initialize';

// The module 'assert' provides assertion methods from node

import * as assert from 'assert';

// You can import and use all API from the 'vscode' module

// as well as import your extension to test it

import { createDeferred, isNotInstalledError } from '../../client/common/helpers';

// Defines a Mocha test suite to group tests of similar kind together

suite('Deferred', () => {

test('Resolve', done => {

const valueToSent = new Date().getTime();

const def = createDeferred<number>();

def.promise.then(value => {

assert.equal(value, valueToSent);

assert.equal(def.resolved, true, 'resolved property value is not `true`');

}).then(done).catch(done);

assert.equal(def.resolved, false, 'Promise is resolved even when it should not be');

assert.equal(def.rejected, false, 'Promise is rejected even when it should not be');

assert.equal(def.completed, false, 'Promise is completed even when it should not be');

def.resolve(valueToSent);

assert.equal(def.resolved, true, 'Promise is not resolved even when it should not be');

assert.equal(def.rejected, false, 'Promise is rejected even when it should not be');

assert.equal(def.completed, true, 'Promise is not completed even when it should not be');

});

test('Reject', done => {

const errorToSend = new Error('Something');

const def = createDeferred<number>();

def.promise.then(value => {

assert.fail(value, 'Error', 'Was expecting promise to get rejected, however it was resolved', '');

done();

}).catch(reason => {

assert.equal(reason, errorToSend, 'Error received is not the same');

done();

}).catch(done);

assert.equal(def.resolved, false, 'Promise is resolved even when it should not be');

assert.equal(def.rejected, false, 'Promise is rejected even when it should not be');

assert.equal(def.completed, false, 'Promise is completed even when it should not be');

def.reject(errorToSend);

assert.equal(def.resolved, false, 'Promise is resolved even when it should not be');

assert.equal(def.rejected, true, 'Promise is not rejected even when it should not be');

assert.equal(def.completed, true, 'Promise is not completed even when it should not be');

});

test('isNotInstalledError', done => {

const error = new Error('something is not installed');

assert.equal(isNotInstalledError(error), false, 'Standard error');

(error as any).code = 'ENOENT';

assert.equal(isNotInstalledError(error), true, 'ENOENT error code not detected');

(error as any).code = 127;

assert.equal(isNotInstalledError(error), true, '127 error code not detected');

done();

});

});