Files
openstapps/packages/logger/test/logger.spec.ts

483 lines
11 KiB
TypeScript

/*
* Copyright (C) 2018, 2020 StApps
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
import chai from 'chai';
import {expect} from 'chai';
import chaiAsPromised from 'chai-as-promised';
import chaiSpies from 'chai-spies';
import {suite, test} from '@testdeck/mocha';
import {Logger} from '../src/logger';
import {AddLogLevel} from '../src/transformations/add-log-level';
import {Colorize} from '../src/transformations/colorize';
import {DummyTransport} from './dummyTransport';
chai.should();
chai.use(chaiSpies);
chai.use(chaiAsPromised);
@suite()
export class LoggerSpec {
static sandbox: ChaiSpies.Sandbox;
static before() {
LoggerSpec.sandbox = chai.spy.sandbox();
}
before() {
Logger.setTransformations([
new AddLogLevel(),
]);
}
after() {
LoggerSpec.sandbox.restore();
}
@test
async 'default log level'() {
expect((Logger as any).getLevel('LOG')).to.be.equal(31);
expect((Logger as any).getLevel('EXIT')).to.be.equal(0);
}
@test
async error() {
const spy = LoggerSpec.sandbox.on(console, 'error', () => {
// noop
});
await Logger.error('Foobar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('[ERROR]');
expect(spy.__spy.calls[0][0]).to.contain('Foobar');
}
@test
async 'error in productive environment'() {
const spy = LoggerSpec.sandbox.on(console, 'error', () => {
// noop
});
const nodeEnv = process.env.NODE_ENV;
process.env.NODE_ENV = 'production';
await Logger.error('Foobar').should.be.rejectedWith(Error);
expect(spy).to.have.been.called.exactly(1);
process.env.ALLOW_NO_TRANSPORT = 'true';
await Logger.error('Foobar').should.not.be.rejectedWith(Error);
expect(spy).to.have.been.called.exactly(2);
delete process.env.ALLOW_NO_TRANSPORT;
Logger.setTransport(new DummyTransport());
await Logger.error('Foobar').should.not.be.rejectedWith(Error);
expect(spy).to.have.been.called.exactly(3);
Logger.setTransport();
process.env.NODE_ENV = nodeEnv;
}
@test
async 'error without output'() {
const spy = LoggerSpec.sandbox.on(console, 'error', () => {
// noop
});
process.env.STAPPS_LOG_LEVEL = '0';
await Logger.error('Foobar');
delete process.env.STAPPS_LOG_LEVEL;
expect(spy).not.to.have.been.called();
}
@test
async 'error with Error'() {
const spy = LoggerSpec.sandbox.on(console, 'error', () => {
// noop
});
await Logger.error(new Error());
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('Error');
expect(spy.__spy.calls[0][0]).to.contain(process.cwd());
}
@test
info() {
const spy = LoggerSpec.sandbox.on(console, 'info', () => {
// noop
});
Logger.info('Foobar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('[INFO]');
expect(spy.__spy.calls[0][0]).to.contain('Foobar');
}
@test
async exits() {
const infoSpy = LoggerSpec.sandbox.on(console, 'info', () => {
// noop
});
const logSpy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
const warnSpy = LoggerSpec.sandbox.on(console, 'warn', () => {
// noop
});
const errorSpy = LoggerSpec.sandbox.on(console, 'error', () => {
// noop
});
const processSpy = LoggerSpec.sandbox.on(process, 'exit', () => {
// noop
});
const exitLevel = process.env.STAPPS_EXIT_LEVEL;
process.env.STAPPS_EXIT_LEVEL = '31';
Logger.info('Foobar');
Logger.log('Foobar');
Logger.warn('Foobar');
Logger.ok('Foobar');
await Logger.error('Foobar');
expect(infoSpy).to.have.been.called.once;
expect(infoSpy.__spy.calls[0][0]).to.contain('[INFO]');
expect(infoSpy.__spy.calls[0][0]).to.contain('Foobar');
expect(logSpy).to.have.been.called.twice;
expect(warnSpy).to.have.been.called.once;
expect(warnSpy.__spy.calls[0][0]).to.contain('[WARN]');
expect(warnSpy.__spy.calls[0][0]).to.contain('Foobar');
expect(errorSpy).to.have.been.called.exactly(6);
expect(processSpy).to.have.been.called.exactly(5);
process.env.STAPPS_EXIT_LEVEL = exitLevel;
}
@test
'info without output'() {
const spy = LoggerSpec.sandbox.on(console, 'info', () => {
// noop
});
process.env.STAPPS_LOG_LEVEL = '0';
Logger.info('Foobar');
delete process.env.STAPPS_LOG_LEVEL;
expect(spy).not.to.have.been.called;
}
@test
initialized() {
Logger.setTransport(new DummyTransport());
expect(() => {
Logger.initialized();
}).not.to.throw();
Logger.setTransport();
}
@test
'initialized in productive environment'() {
const nodeEnv = process.env.NODE_ENV;
process.env.NODE_ENV = 'production';
Logger.setTransport(new DummyTransport());
expect(() => {
Logger.initialized();
}).not.to.throw();
Logger.setTransport();
expect(() => {
Logger.initialized();
}).to.throw();
const spy = LoggerSpec.sandbox.on(console, 'warn', () => {
// noop
});
process.env.ALLOW_NO_TRANSPORT = 'true';
expect(() => {
Logger.initialized();
}).not.to.throw();
delete process.env.ALLOW_NO_TRANSPORT;
expect(spy).to.have.been.called();
process.env.NODE_ENV = nodeEnv;
}
@test
'is compatible with log aggregation in productive environment'() {
Logger.setTransformations([new AddLogLevel(), new Colorize()]);
let spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
Logger.log('Foo\nbar');
expect(spy).to.have.been.called.once;
expect(spy.__spy.calls[0][0]).to.equal('\u001B[37m[LOG] Foo\u001B[39m\n\u001B[37mbar\u001B[39m');
const nodeEnv = process.env.NODE_ENV;
process.env.NODE_ENV = 'production';
process.env.ALLOW_NO_TRANSPORT = 'true';
Logger.setTransformations([new AddLogLevel(), new Colorize()]);
Logger.log('Foo\nbar');
expect(spy).to.have.been.called.twice;
expect(spy.__spy.calls[1][0]).to.equal('[LOG] Foo bar');
process.env.NODE_ENV = nodeEnv;
delete process.env.ALLOW_NO_TRANSPORT;
}
@test
log() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
Logger.log('Foobar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('[LOG]');
expect(spy.__spy.calls[0][0]).to.contain('Foobar');
}
@test
'log without output'() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
process.env.STAPPS_LOG_LEVEL = '0';
Logger.log('Foobar');
delete process.env.STAPPS_LOG_LEVEL;
expect(spy).to.not.have.been.called();
}
@test
ok() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
Logger.ok('Foobar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('[OK]');
expect(spy.__spy.calls[0][0]).to.contain('Foobar');
}
@test
'ok without output'() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
process.env.STAPPS_LOG_LEVEL = '0';
Logger.ok('Foobar');
delete process.env.STAPPS_LOG_LEVEL;
expect(spy).not.to.have.been.called();
}
@test
setTransport() {
expect(() => {
Logger.setTransport(new DummyTransport());
Logger.setTransport();
}).not.to.throw();
}
@test
'stringify'() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
Logger.log('foo', 'bar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('foo');
expect(spy.__spy.calls[0][0]).to.contain('bar');
}
@test
'stringify object'() {
const spy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
Logger.log({
foo: 'bar',
});
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('foo');
expect(spy.__spy.calls[0][0]).to.contain('bar');
}
@test
warn() {
const spy = LoggerSpec.sandbox.on(console, 'warn', () => {
// noop
});
Logger.warn('Foobar');
expect(spy).to.have.been.called();
expect(spy.__spy.calls[0][0]).to.contain('[WARN]');
expect(spy.__spy.calls[0][0]).to.contain('Foobar');
}
@test
'warn without output'() {
const spy = LoggerSpec.sandbox.on(console, 'warn', () => {
// noop
});
process.env.STAPPS_LOG_LEVEL = '0';
Logger.warn('Foobar');
delete process.env.STAPPS_LOG_LEVEL;
expect(spy).not.to.have.been.called();
}
@test
'log level exclusiveness'() {
const warnSpy = LoggerSpec.sandbox.on(console, 'warn', () => {
// noop WARN
});
const infoSpy = LoggerSpec.sandbox.on(console, 'info', () => {
// noop INFO
});
const okSpy = LoggerSpec.sandbox.on(console, 'log', () => {
// noop OK
});
// only warn and info = warn + info = 4 + 1 = 5
process.env.STAPPS_LOG_LEVEL = '5';
Logger.warn('Foo');
Logger.info('Bar');
Logger.ok('Baz');
expect(warnSpy).to.have.been.called();
expect(warnSpy.__spy.calls[0][0]).to.contain('[WARN]');
expect(warnSpy.__spy.calls[0][0]).to.contain('Foo');
expect(infoSpy).to.have.been.called();
expect(infoSpy.__spy.calls[0][0]).to.contain('[INFO]');
expect(infoSpy.__spy.calls[0][0]).to.contain('Bar');
expect(okSpy).to.not.have.been.called();
delete process.env.STAPPS_LOG_LEVEL;
}
@test
getExitLevel() {
const savedProcess = process;
// @ts-ignore
process = undefined;
(global as any).window = {
STAPPS_EXIT_LEVEL: 0,
};
const stub = LoggerSpec.sandbox.on(console, 'info', () => {
// noop
});
Logger.info('Foobar');
process = savedProcess;
delete (global as any).window;
expect(stub).not.to.have.been.called();
}
@test
getLogLevel() {
const savedProcess = process;
// @ts-ignore
process = undefined;
(global as any).window = {
STAPPS_LOG_LEVEL: 0,
};
const stub = LoggerSpec.sandbox.on(console, 'info', () => {
// noop
});
Logger.info('Foobar');
process = savedProcess;
delete (global as any).window;
expect(stub).not.to.have.been.called();
}
@test
'output without transformations'() {
Logger.setTransformations([]);
const stub = LoggerSpec.sandbox.on(console, 'log', () => {
// noop
});
const applyTransformationsSpy = LoggerSpec.sandbox.on(new Logger(), 'applyTransformations');
Logger.log('Foobar');
expect(stub).to.have.been.called.with('Foobar');
expect(applyTransformationsSpy).not.to.have.been.called;
}
}