moving

packages/hive-mind-core/tests/ontology.test.ts

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+import { describe, it, expect } from 'vitest';
+import { Ontology, validateEntity } from '../src/mind/ontology.js';
+
+describe('Ontology Grounding', () => {
+  function makeOntology(): Ontology {
+    const ont = new Ontology();
+    ont.define('Person', {
+      required: ['name', 'email'],
+      optional: ['age', 'bio'],
+    });
+    ont.define('Project', {
+      required: ['title'],
+      optional: ['description', 'status'],
+    });
+    return ont;
+  }
+
+  it('valid entity passes validation', () => {
+    const ont = makeOntology();
+    const result = validateEntity(ont, {
+      type: 'Person',
+      properties: { name: 'Alice', email: 'alice@example.com', age: 30 },
+    });
+    expect(result.valid).toBe(true);
+    expect(result.issues).toHaveLength(0);
+  });
+
+  it('unknown type fails with issue', () => {
+    const ont = makeOntology();
+    const result = validateEntity(ont, {
+      type: 'Animal',
+      properties: { species: 'cat' },
+    });
+    expect(result.valid).toBe(false);
+    expect(result.issues).toContain('Unknown entity type: Animal');
+  });
+
+  it('unknown/unexpected properties get flagged', () => {
+    const ont = makeOntology();
+    const result = validateEntity(ont, {
+      type: 'Person',
+      properties: { name: 'Bob', email: 'bob@test.com', favoriteColor: 'blue' },
+    });
+    expect(result.valid).toBe(false);
+    expect(result.issues).toContain('Unknown property: favoriteColor');
+  });
+
+  it('missing required = invalid, missing optional = still valid', () => {
+    const ont = makeOntology();
+
+    // Missing required 'email'
+    const missing = validateEntity(ont, {
+      type: 'Person',
+      properties: { name: 'Charlie' },
+    });
+    expect(missing.valid).toBe(false);
+    expect(missing.issues).toContain('Missing required property: email');
+
+    // All required present, no optional — still valid
+    const minimal = validateEntity(ont, {
+      type: 'Project',
+      properties: { title: 'Waggle' },
+    });
+    expect(minimal.valid).toBe(true);
+    expect(minimal.issues).toHaveLength(0);
+  });
+});