'use strict';
const chai = require('chai');
const expect = chai.expect;
const sinon = require('sinon');
const sinonChai = require('sinon-chai');;
const Raven = require('raven');

chai.use(sinonChai);

function requireUncached(module){
    delete require.cache[require.resolve(module)]
    return require(module)
}

describe('log', ()  => {
    describe('error', () => {
        before(() => {
            this.clock = sinon.useFakeTimers();
            sinon.stub(Raven, 'captureException').callsFake(function fakeFn(e, callback) {
                callback(new Error(`Cannot send message "${e}" to Sentry.`));
            });
            // we have to create a spy before requiring 'error' function
            sinon.spy(console, 'error');
            this.error = requireUncached('./log').error;
        });
        
        after(() =>  {
            this.clock.restore();
            console.error.restore();
            Raven.captureException.restore();
        });
        
        it('should throttle errors from Raven client', () => {
            this.error('test error 1');
            this.error('test error 2');
            this.error('test error 3');
            this.clock.tick(11000);
            this.error('test error 4');
            this.error('test error 5');

            expect(console.error).to.be.calledWithExactly('Failed to send captured exception to Sentry', 'Cannot send message "test error 1" to Sentry.');
            expect(console.error).to.not.be.calledWithExactly('Failed to send captured exception to Sentry', 'Cannot send message "test error 2" to Sentry.');
            expect(console.error).to.not.be.calledWithExactly('Failed to send captured exception to Sentry', 'Cannot send message "test error 3" to Sentry.');
            expect(console.error).to.be.calledWithExactly('Failed to send captured exception to Sentry', 'Cannot send message "test error 4" to Sentry.');
            expect(console.error).to.not.be.calledWithExactly('Failed to send captured exception to Sentry', 'Cannot send message "test error 5" to Sentry.');
        });
    });
});