Java's mode buttons start and stop the room, now in a worker of the editor's page (LocalSimHost), with Java's speed slider. While the simulation runs the design is locked as in Java: no palette, no sheet, nothing moves, no undo. Cables that carry a frame light up in Java's green, and a tap on a computer opens its desktop: Java's title, the software installation first, then the installed programs in the order of Java's list for the language, a taskbar with the network icon and the network as the simulation runs it. The room sends that over a new topic, node:<id>. Desktops stay over a return to the design and show again at the next start. The programs' windows follow from F4.6b. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
50 lines
2.8 KiB
TypeScript
50 lines
2.8 KiB
TypeScript
// The one list of messages: what the room accepts from a client, and what
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// it refuses, each with its reason.
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import { describe, expect, it } from 'vitest';
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import { CLIENT_MESSAGE_KINDS, HOST_MESSAGE_KINDS, isTopic, parseClientMessage, parseHostMessage } from '../src/index.js';
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describe("a client's messages", () => {
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it('reads each kind', () => {
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const messages = [
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{ v: 1, kind: 'sub', topics: ['activity', 'trace:port-1', 'app:node-1/terminal'] },
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{ v: 1, kind: 'unsub', topics: ['activity'] },
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{ v: 1, kind: 'start' },
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{ v: 1, kind: 'stop' },
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{ v: 1, kind: 'speed', value: 50 },
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{ v: 1, kind: 'input', node: 'node-1', app: 'terminal', action: 'enter', args: { line: 'ping 1.2.3.4' }, reqId: 'r1' },
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];
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expect(messages.map((each) => each.kind)).toEqual([...CLIENT_MESSAGE_KINDS]);
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for (const each of messages) expect(parseClientMessage(each)).toEqual({ message: each });
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});
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it('names what is wrong', () => {
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const code = (value: unknown) => ('error' in parseClientMessage(value) ? (parseClientMessage(value) as { error: { code: string } }).error.code : 'ok');
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expect(code(null)).toBe('badMessage');
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expect(code([])).toBe('badMessage');
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expect(code({ v: 2, kind: 'start' })).toBe('badVersion');
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expect(code({ v: 1, kind: 'reset' })).toBe('unknownKind');
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expect(code({ v: 1, kind: 'sub', topics: 'activity' })).toBe('badMessage');
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expect(code({ v: 1, kind: 'sub', topics: ['activity', 'trace:'] })).toBe('badTopic');
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expect(code({ v: 1, kind: 'unsub', topics: ['app:node/paint'] })).toBe('badTopic');
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expect(code({ v: 1, kind: 'speed', value: '50' })).toBe('badMessage');
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expect(code({ v: 1, kind: 'speed', value: Number.NaN })).toBe('badMessage');
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expect(code({ v: 1, kind: 'input', node: 'n', app: 'terminal', action: 'enter', args: {} })).toBe('badMessage');
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expect(code({ v: 1, kind: 'input', node: 'n', app: 'terminal', action: 'enter', args: [], reqId: 'r' })).toBe('badMessage');
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expect(code({ v: 1, kind: 'input', node: 'n', app: 'paint', action: 'enter', args: {}, reqId: 'r' })).toBe('unknownApp');
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});
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it('knows its topics', () => {
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expect(['activity', 'trace:x', 'app:n/gnutella', 'app:n/webBrowser', 'node:n'].every(isTopic)).toBe(true);
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expect(['', 'trace:', 'app:/terminal', 'app:n/', 'app:n/terminal/x', 'node:', 'node:n/x', 'nodes:n', 7].some(isTopic)).toBe(false);
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});
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});
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describe("a host's messages", () => {
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it('reads each kind, and names an unknown one', () => {
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for (const kind of HOST_MESSAGE_KINDS) expect('message' in parseHostMessage({ v: 1, kind })).toBe(true);
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expect(parseHostMessage({ v: 1, kind: 'nodes' })).toEqual({ error: { code: 'unknownKind', detail: 'kind nodes' } });
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expect(parseHostMessage({ v: 0, kind: 'state' })).toEqual({ error: { code: 'badVersion', detail: 'version 0' } });
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});
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});
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