/
widget.spec.ts
231 lines (201 loc) · 6.88 KB
/
widget.spec.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { LoggerRegistry, LogConsolePanel } from '@jupyterlab/logconsole';
import {
RenderMimeRegistry,
IRenderMimeRegistry,
standardRendererFactories as initialFactories
} from '@jupyterlab/rendermime';
import { Signal, ISignal } from '@lumino/signaling';
import { Widget } from '@lumino/widgets';
class SignalLogger<SENDER, ARGS> {
constructor(signal: ISignal<SENDER, ARGS>) {
signal.connect(this.slot, this);
}
slot(sender: SENDER, args: ARGS) {
this.args.push(args);
}
clear() {
this.args.length = 0;
}
dispose() {
Signal.disconnectAll(this);
}
args: ARGS[] = [];
}
function anyAncestor(el: Element, test: (el: Element) => boolean) {
while (el) {
if (test(el)) {
return true;
}
if (!el.parentElement || el === el.parentNode) {
break;
}
el = el.parentElement;
}
return false;
}
function isHiddenLumino(el: Element) {
return el.classList.contains('p-mod-hidden');
}
describe('LogConsolePanel', () => {
let defaultRendermime: IRenderMimeRegistry;
let registry: LoggerRegistry;
let logConsole: LogConsolePanel;
beforeEach(() => {
defaultRendermime = new RenderMimeRegistry({ initialFactories });
registry = new LoggerRegistry({
defaultRendermime,
maxLength: 10
});
logConsole = new LogConsolePanel(registry);
});
afterEach(() => {
registry.dispose();
logConsole.dispose();
});
describe('#constructor()', () => {
it('should create a console with initial parameters', () => {
expect(logConsole).toBeInstanceOf(LogConsolePanel);
expect(logConsole.loggerRegistry).toBe(registry);
});
});
describe('#loggerRegistry', () => {
it('returns the logger registry', () => {
expect(logConsole.loggerRegistry).toBe(registry);
});
});
describe('#source', () => {
it('sets the current source', () => {
expect(logConsole.source).toBe(null);
registry.getLogger('A');
logConsole.source = 'A';
expect(logConsole.source).toBe('A');
});
it('displays output only from the current source', () => {
const loggerA = registry.getLogger('A');
const loggerB = registry.getLogger('B');
loggerA.log({
type: 'html',
data: '<div id="A"></div>',
level: 'warning'
});
loggerB.log({
type: 'html',
data: '<div id="B"></div>',
level: 'warning'
});
logConsole.source = 'A';
const nodeA = logConsole.node.querySelector('#A')!;
const nodeB = logConsole.node.querySelector('#B')!;
expect(nodeA).not.toBeNull();
expect(anyAncestor(nodeA, isHiddenLumino)).toBe(false);
expect(nodeB).not.toBeNull();
expect(anyAncestor(nodeB, isHiddenLumino)).toBe(true);
logConsole.source = 'B';
expect(anyAncestor(nodeA, isHiddenLumino)).toBe(true);
expect(anyAncestor(nodeB, isHiddenLumino)).toBe(false);
});
it('emits a source changed signal if changed', () => {
const s = new SignalLogger(logConsole.sourceChanged);
logConsole.source = 'A';
logConsole.source = null;
expect(s.args).toEqual([
{ name: 'source', oldValue: null, newValue: 'A' },
{ name: 'source', oldValue: 'A', newValue: null }
]);
s.dispose();
});
it('has no effect if not changed', () => {
const s = new SignalLogger(logConsole.sourceChanged);
logConsole.source = null;
expect(s.args).toEqual([]);
registry.getLogger('A');
logConsole.source = 'A';
s.clear();
logConsole.source = 'A';
expect(s.args).toEqual([]);
s.dispose();
});
});
describe('#sourceVersion', () => {
it('gives the version for the current source', () => {
const A = registry.getLogger('A');
A.log({ type: 'text', data: 'message', level: 'warning' });
A.log({ type: 'text', data: 'message', level: 'warning' });
logConsole.source = 'A';
expect(logConsole.sourceVersion).toBe(A.version);
});
it('is null if the source is null', () => {
expect(logConsole.source).toBe(null);
expect(logConsole.sourceVersion).toBe(null);
});
});
describe('#logger', () => {
it('gives the logger for the current source', () => {
const A = registry.getLogger('A');
A.log({ type: 'text', data: 'message', level: 'warning' });
A.log({ type: 'text', data: 'message', level: 'warning' });
logConsole.source = 'A';
expect(logConsole.logger).toBe(A);
});
it('is null if the source is null', () => {
expect(logConsole.source).toBe(null);
expect(logConsole.logger).toBe(null);
});
});
describe('#sourceDisplayed', () => {
it('emits when console is attached', () => {
const s = new SignalLogger(logConsole.sourceDisplayed);
const loggerA = registry.getLogger('A');
loggerA.log({ type: 'text', data: 'A1', level: 'warning' });
logConsole.source = 'A';
expect(s.args).toEqual([]);
Widget.attach(logConsole, document.body);
expect(s.args).toEqual([{ source: 'A', version: 1 }]);
s.dispose();
});
it('emits when console is shown', () => {
const s = new SignalLogger(logConsole.sourceDisplayed);
const loggerA = registry.getLogger('A');
loggerA.log({ type: 'text', data: 'A1', level: 'warning' });
logConsole.source = 'A';
logConsole.hide();
Widget.attach(logConsole, document.body);
expect(s.args).toEqual([]);
logConsole.show();
expect(s.args).toEqual([{ source: 'A', version: 1 }]);
s.dispose();
});
it('emits when source is selected', () => {
const s = new SignalLogger(logConsole.sourceDisplayed);
const loggerA = registry.getLogger('A');
const loggerB = registry.getLogger('B');
loggerA.log({ type: 'text', data: 'A1', level: 'warning' });
loggerB.log({ type: 'text', data: 'B1', level: 'warning' });
Widget.attach(logConsole, document.body);
expect(s.args).toEqual([]);
logConsole.source = 'A';
expect(s.args).toEqual([{ source: 'A', version: 1 }]);
s.clear();
loggerB.log({ type: 'text', data: 'B2', level: 'warning' });
expect(s.args).toEqual([]);
logConsole.source = 'B';
expect(s.args).toEqual([{ source: 'B', version: 2 }]);
s.dispose();
});
it('emits when logging to displayed source', () => {
const s = new SignalLogger(logConsole.sourceDisplayed);
const loggerA = registry.getLogger('A');
loggerA.log({ type: 'text', data: 'A1', level: 'warning' });
Widget.attach(logConsole, document.body);
expect(s.args).toEqual([]);
logConsole.source = 'A';
expect(s.args).toEqual([{ source: 'A', version: 1 }]);
s.clear();
loggerA.log({ type: 'text', data: 'A2', level: 'warning' });
expect(s.args).toEqual([{ source: 'A', version: 2 }]);
s.dispose();
});
});
});