Files
stack/packages/mosaic/src/commands/fleet-north-star.spec.ts
jason.woltje 61b1bdac2a
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feat(fleet): add machine-readable NORTH_STAR.yaml + Markdown projection (#656)
2026-06-24 14:40:09 +00:00

200 lines
7.5 KiB
TypeScript

import { readFile } from 'node:fs/promises';
import { dirname, join, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';
import { describe, expect, it, vi } from 'vitest';
import {
parseNorthStar,
renderNorthStarMarkdown,
resolveNorthStarPaths,
type NorthStar,
} from './fleet.js';
// Repo root resolved from this spec file: packages/mosaic/src/commands → up 4.
const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..', '..', '..');
const yamlPath = join(repoRoot, 'docs', 'fleet', 'NORTH_STAR.yaml');
async function loadYamlText(): Promise<string> {
return readFile(yamlPath, 'utf8');
}
async function loadParsed(): Promise<NorthStar> {
return parseNorthStar(await loadYamlText());
}
describe('NORTH_STAR.yaml', () => {
it('parses to a typed object with the required top-level keys', async () => {
const ns = await loadParsed();
expect(ns.version).toBeTypeOf('number');
expect(ns.mission).toContain('self-driving Mosaic delivery fleet');
expect(ns.substrate.note).toBeTruthy();
expect(ns.standing_objectives.length).toBeGreaterThan(0);
expect(ns.success_criteria.length).toBeGreaterThan(0);
expect(ns.workstreams.length).toBeGreaterThan(0);
expect(ns.goals.length).toBeGreaterThan(0);
expect(ns.assumptions.length).toBeGreaterThan(0);
expect(ns.spend.advisory).toBe(true);
});
it('names the native Postgres storage layer and declares no Hermes runtime dependency', async () => {
const rawText = await loadYamlText();
const lower = rawText.toLowerCase();
expect(rawText).toContain('@mosaicstack/db');
expect(lower).toContain('postgres');
expect(lower).toContain('pglite');
// The doctrine explicitly disowns Hermes ("NOT Hermes"); the only mentions
// are negations. Assert there is no Hermes RUNTIME dependency: no hermes
// CLI/kanban invocation and no ~/.hermes storage reference.
expect(lower).not.toContain('hermes kanban');
expect(lower).not.toContain('~/.hermes');
expect(lower).not.toContain('hermes mcp');
});
it('declares all NS-1..NS-8 standing objectives', async () => {
const ns = await loadParsed();
const ids = ns.standing_objectives.map((o) => o.id);
for (let n = 1; n <= 8; n += 1) {
expect(ids).toContain(`NS-${n}`);
}
});
it('declares all AC-NS-1..AC-NS-5 success criteria', async () => {
const ns = await loadParsed();
const ids = ns.success_criteria.map((c) => c.id);
for (let n = 1; n <= 5; n += 1) {
expect(ids).toContain(`AC-NS-${n}`);
}
});
it('seeds the expected backlog goal ids', async () => {
const ns = await loadParsed();
const ids = ns.goals.map((g) => g.id);
expect(ids).toEqual(
expect.arrayContaining(['A1', 'A2', 'A3a', 'A3b', 'A4', 'B1', 'B2', 'B3a', 'B3b', 'G1']),
);
});
it('has a coherent depends_on DAG (every dependency references a known goal)', async () => {
const ns = await loadParsed();
const ids = new Set(ns.goals.map((g) => g.id));
for (const goal of ns.goals) {
for (const dep of goal.depends_on) {
expect(ids.has(dep)).toBe(true);
}
// No goal may depend on itself.
expect(goal.depends_on).not.toContain(goal.id);
}
// A1 is the root: no dependencies.
const a1 = ns.goals.find((g) => g.id === 'A1');
expect(a1?.depends_on).toEqual([]);
});
it('marks spend as advisory with a degrade-to-TTL note', async () => {
const ns = await loadParsed();
expect(ns.spend.advisory).toBe(true);
expect(ns.spend.note.toLowerCase()).toContain('ttl');
});
});
describe('renderNorthStarMarkdown', () => {
it('is a pure deterministic projection (round-trip stable)', async () => {
const ns = await loadParsed();
const first = renderNorthStarMarkdown(ns);
const second = renderNorthStarMarkdown(ns);
expect(first).toBe(second);
// Re-parsing the same YAML and re-rendering yields identical bytes.
const reparsed = parseNorthStar(await loadYamlText());
expect(renderNorthStarMarkdown(reparsed)).toBe(first);
});
it('matches the committed NORTH_STAR.md projection (regenerate if this fails)', async () => {
const ns = await loadParsed();
const rendered = `${renderNorthStarMarkdown(ns)}\n`;
const committed = await readFile(join(repoRoot, 'docs', 'fleet', 'NORTH_STAR.md'), 'utf8');
expect(rendered).toBe(committed);
});
it('projects mission, objectives, criteria, goals, assumptions, and spend', async () => {
const ns = await loadParsed();
const md = renderNorthStarMarkdown(ns);
expect(md).toContain('# Mosaic Fleet — NORTH STAR');
expect(md).toContain('## Mission');
expect(md).toContain('## Standing objectives');
expect(md).toContain('**NS-1**');
expect(md).toContain('**AC-NS-5**');
expect(md).toContain('## Goals (backlog projection)');
// Tables are column-padded (prettier-style); match the row id, not exact spacing.
expect(md).toMatch(/\| A1\s+\|/);
expect(md).toContain('## Assumptions (vetoable)');
expect(md).toContain('**advisory:** true');
// The banner disowns Hermes; the projection carries no Hermes runtime hook.
expect(md.toLowerCase()).not.toContain('hermes kanban');
expect(md.toLowerCase()).not.toContain('~/.hermes');
});
it('does no network or CLI work (pure functions; only the writer touches IO)', () => {
// parseNorthStar + renderNorthStarMarkdown take strings and return strings.
// Guard against accidental IO by asserting fetch/spawn are never invoked.
const fetchSpy = vi.spyOn(globalThis, 'fetch' as never).mockImplementation((() => {
throw new Error('network access is forbidden in the NORTH_STAR generator');
}) as never);
try {
const yaml = [
'version: 1',
'mission: m',
'substrate:',
' note: n',
'standing_objectives:',
' - { id: NS-1, text: t }',
'success_criteria:',
' - { id: AC-NS-1, text: t }',
'workstreams:',
' - { id: A, title: t }',
'goals:',
' - { id: A1, title: t, phase: 1, priority: must-have, depends_on: [] }',
'assumptions:',
' - { id: ASM-1, vetoable: true, text: t }',
'spend:',
' advisory: true',
' note: TTL',
'',
].join('\n');
const ns = parseNorthStar(yaml);
const md = renderNorthStarMarkdown(ns);
expect(md).toContain('# Mosaic Fleet — NORTH STAR');
expect(fetchSpy).not.toHaveBeenCalled();
} finally {
fetchSpy.mockRestore();
}
});
});
describe('parseNorthStar validation', () => {
it('throws on a missing required key', () => {
expect(() => parseNorthStar('version: 1\n')).toThrow();
});
it('throws when spend.advisory is not a boolean', () => {
const yaml = [
'version: 1',
'mission: m',
'substrate: { note: n }',
'standing_objectives: [{ id: NS-1, text: t }]',
'success_criteria: [{ id: AC-NS-1, text: t }]',
'workstreams: [{ id: A, title: t }]',
'goals: [{ id: A1, title: t, phase: 1, priority: must-have, depends_on: [] }]',
'assumptions: [{ id: ASM-1, vetoable: true, text: t }]',
'spend: { advisory: maybe, note: TTL }',
'',
].join('\n');
expect(() => parseNorthStar(yaml)).toThrow(/spend\.advisory/);
});
});
describe('resolveNorthStarPaths', () => {
it('resolves YAML + Markdown under docs/fleet from a given repo root', () => {
const paths = resolveNorthStarPaths('/repo');
expect(paths.yamlPath).toBe('/repo/docs/fleet/NORTH_STAR.yaml');
expect(paths.markdownPath).toBe('/repo/docs/fleet/NORTH_STAR.md');
});
});