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Jun 22, 2026
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test: cover doghouse compiled MCP graph #308

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67 changes: 67 additions & 0 deletions packages/dotdog/__tests__/cli.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -170,4 +170,71 @@ describe('CLI', () => {
rmSync(dir, { recursive: true, force: true });
}
});

test('serve reads compiled .doghouse graph artifacts', async () => {
const dir = mkdtempSync(join(tmpdir(), 'dotdog-test-serve-compiled-'));
try {
mkdirSync(join(dir, '.doghouse', 'semantic'), { recursive: true });
writeFileSync(join(dir, 'package.json'), JSON.stringify({ name: 'compiled-graph-app', version: '1.0.0' }, null, 2));
writeFileSync(join(dir, 'railway.json'), JSON.stringify({ startCommand: 'bun start' }, null, 2));
writeFileSync(join(dir, '.doghouse', 'semantic', 'deployment.dog'), [
'## Deployment',
'',
'### Entity: Deployment',
'',
'A generic deployment capability.',
'',
'```yaml',
'entity: Deployment',
'type: external',
'```',
'',
'### Entity: RailwayService',
'',
'A generic Railway deployment service.',
'',
'```yaml',
'entity: RailwayService',
'type: external',
'```',
'',
'### Relationship: Deployment → RailwayService',
'',
'```yaml',
'relationship: Deployment → RailwayService',
'source: Deployment',
'target: RailwayService',
'verb: includes',
'```',
].join('\n'));

await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts map . --project compiled-graph-app`.quiet();
await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts compile`.quiet();
expect(existsSync(join(dir, '.doghouse', 'compiled', 'repo.dag'))).toBe(true);

const proc = Bun.spawn([BUN, join(ROOT, 'packages/dotdog/src/cli.ts'), 'serve'], {
stdin: 'pipe', stdout: 'pipe', stderr: 'pipe',
cwd: dir,
});
proc.stdin.write(JSON.stringify({jsonrpc:'2.0',id:1,method:'initialize',params:{}})+'\n');
await new Promise(r => setTimeout(r, 1000));
proc.stdin.write(JSON.stringify({jsonrpc:'2.0',id:2,method:'tools/call',params:{name:'getEntity',arguments:{name:'Deployment'}}})+'\n');
proc.stdin.write(JSON.stringify({jsonrpc:'2.0',id:3,method:'tools/call',params:{name:'traverse',arguments:{from:'Deployment',depth:1}}})+'\n');
proc.stdin.end();
const out = await new Response(proc.stdout).text();
proc.kill();

const lines = out.split('\n').filter(l => l.trim());
expect(lines.length).toBeGreaterThanOrEqual(3);
const entity = JSON.parse(JSON.parse(lines[1]).result.content[0].text);
expect(entity.name).toBe('Deployment');
expect(entity.type).toBe('external');
expect(entity.edges.some((edge: any) => edge[0] === 'RailwayService' && edge[1] === 'includes')).toBe(true);
const graph = JSON.parse(JSON.parse(lines[2]).result.content[0].text);
expect(graph.nodes.some((node: any) => node.name === 'Deployment')).toBe(true);
expect(graph.nodes.some((node: any) => node.edges.some((edge: string) => edge.startsWith('RailwayService:includes')))).toBe(true);
} finally {
rmSync(dir, { recursive: true, force: true });
}
});
});
6 changes: 3 additions & 3 deletions packages/dotdog/__tests__/commands.test.ts
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Expand Up @@ -130,8 +130,8 @@ describe('untested commands', () => {
setupTempProject(dir, 'testproj');
const out = await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts map . --project repo-world-test`.text();
expect(out).toContain('repo.dag');
expect(existsSync(join(dir, '.dotdog', 'generated', 'repo-map.dog'))).toBe(true);
expect(existsSync(join(dir, '.dotdog', 'generated', 'repo.dag'))).toBe(true);
expect(existsSync(join(dir, '.doghouse', 'generated', 'repo-map.dog'))).toBe(true);
expect(existsSync(join(dir, '.doghouse', 'generated', 'repo.dag'))).toBe(true);
} finally {
rmSync(dir, { recursive: true, force: true });
}
Expand All @@ -142,7 +142,7 @@ describe('untested commands', () => {
try {
setupTempProject(dir, 'testproj');
await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts map . --project repo-world-test`.quiet();
const dag = join(dir, '.dotdog', 'generated', 'repo.dag');
const dag = join(dir, '.doghouse', 'generated', 'repo.dag');
const out = await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts query repository --dag ${dag}`.text();
expect(out.toLowerCase()).toContain('repository');
} finally {
Expand Down
6 changes: 3 additions & 3 deletions packages/dotdog/__tests__/regression.test.ts
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Expand Up @@ -71,10 +71,10 @@ describe('regression', () => {
test('semantic deployment nodes survive map and compile remap', async () => {
const dir = mkdtempSync(join(tmpdir(), 'dotdog-test-layers-'));
try {
mkdirSync(join(dir, '.dotdog', 'semantic'), { recursive: true });
mkdirSync(join(dir, '.doghouse', 'semantic'), { recursive: true });
writeFileSync(join(dir, 'package.json'), JSON.stringify({ name: 'example-web-app', version: '1.0.0' }, null, 2));
writeFileSync(join(dir, 'railway.json'), JSON.stringify({ startCommand: 'npm start' }, null, 2));
writeFileSync(join(dir, '.dotdog', 'semantic', 'deployment.dog'), [
writeFileSync(join(dir, '.doghouse', 'semantic', 'deployment.dog'), [
'## Deployment',
'',
'### Entity: Deployment',
Expand Down Expand Up @@ -119,7 +119,7 @@ describe('regression', () => {
await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts map`.quiet();
await $`cd ${dir} && ${BUN} ${ROOT}/packages/dotdog/src/cli.ts compile`.quiet();

const compiled = JSON.parse(readFileSync(join(dir, '.dotdog', 'compiled', 'repo.dag'), 'utf-8'));
const compiled = JSON.parse(readFileSync(join(dir, '.doghouse', 'compiled', 'repo.dag'), 'utf-8'));
const labels = compiled.nodes.map((node: any) => node.label);
expect(labels).toContain('Deployment');
expect(labels).toContain('RailwayService');
Expand Down
6 changes: 3 additions & 3 deletions packages/dotdog/src/cli.ts
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Expand Up @@ -1708,7 +1708,7 @@ program
.option('--json', 'print write result as JSON')
.action((dir = '.', opts) => {
const projectName = opts.project || safeProjectName(resolve(dir));
const specDir = resolve(dir, '.dotdog', 'generated');
const specDir = resolve(dir, '.doghouse', 'generated');
const result = writeRepoMap(resolve(dir), projectName, specDir);
if (opts.json) {
console.log(JSON.stringify(result, null, 2));
Expand All @@ -1721,7 +1721,7 @@ program
program
.command('query <term>')
.description('Query a repo.dag world model')
.option('--dag <file>', 'path to repo.dag', '.dotdog/compiled/repo.dag')
.option('--dag <file>', 'path to repo.dag', '.doghouse/compiled/repo.dag')
.option('-l, --limit <n>', 'max results', '10')
.action((term, opts) => {
const world = loadWorldModel(resolve(opts.dag));
Expand All @@ -1732,7 +1732,7 @@ program
program
.command('trace <node>')
.description('Trace repo.dag relationships for a node')
.option('--dag <file>', 'path to repo.dag', '.dotdog/compiled/repo.dag')
.option('--dag <file>', 'path to repo.dag', '.doghouse/compiled/repo.dag')
.option('-d, --depth <n>', 'trace depth', '2')
.action((node, opts) => {
const world = loadWorldModel(resolve(opts.dag));
Expand Down
10 changes: 5 additions & 5 deletions packages/dotdog/src/dag/layers.ts
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Expand Up @@ -163,10 +163,10 @@ function loadDogLayer(dir: string, originType: 'semantic' | 'overlay', labelToId
}

export function compileDotdogLayers(root: string, project: string): LayerCompileResult | null {
const dotdogDir = join(root, '.dotdog');
const generatedFile = join(dotdogDir, 'generated', 'repo.dag');
const semanticDir = join(dotdogDir, 'semantic');
const overlayDir = join(dotdogDir, 'overlays');
const doghouseDir = join(root, '.doghouse');
const generatedFile = join(doghouseDir, 'generated', 'repo.dag');
const semanticDir = join(doghouseDir, 'semantic');
const overlayDir = join(doghouseDir, 'overlays');
if (!existsSync(generatedFile) && !existsSync(semanticDir) && !existsSync(overlayDir)) return null;

const base = readGeneratedWorld(generatedFile, project, root);
Expand Down Expand Up @@ -198,7 +198,7 @@ export function compileDotdogLayers(root: string, project: string): LayerCompile
unknowns: [...base.unknowns, ...semantic.unknowns, ...overlay.unknowns],
};

const compiledDir = join(dotdogDir, 'compiled');
const compiledDir = join(doghouseDir, 'compiled');
mkdirSync(compiledDir, { recursive: true });
const outFile = join(compiledDir, 'repo.dag');
writeFileSync(outFile, serializeWorldModel(compiled));
Expand Down
4 changes: 2 additions & 2 deletions packages/dotdog/src/serve.ts
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Expand Up @@ -78,12 +78,12 @@ export function serve(dir: string = '.'): void {
const dagPaths: Map<string, string> = new Map();

function loadDags(): string[] {
const compiledDag = join(root, '.dotdog', 'compiled', 'repo.dag');
const compiledDag = join(root, '.doghouse', 'compiled', 'repo.dag');
if (existsSync(compiledDag)) {
const dag = JSON.parse(readFileSync(compiledDag, 'utf-8'));
const p = project(dag) || 'repo';
dagCache.set(p, dag);
dagPaths.set(p, join(root, '.dotdog'));
dagPaths.set(p, join(root, '.doghouse'));
}

const dirs = [join(root,'projects'),join(root,'specs'),root];
Expand Down
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