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packages/core/tests/structured-tasks.test.ts

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+import { describe, it, expect, beforeEach, afterEach } from 'vitest';
+import { MindDB } from '@waggle/hive-mind-core';
+import { AwarenessLayer } from '@waggle/hive-mind-core';
+
+describe('Structured Task Model', () => {
+  let db: MindDB;
+  let awareness: AwarenessLayer;
+
+  beforeEach(() => {
+    db = new MindDB(':memory:');
+    awareness = new AwarenessLayer(db);
+  });
+
+  afterEach(() => {
+    db.close();
+  });
+
+  it('stores task with metadata', () => {
+    const item = awareness.add('task', 'Fix the login bug', 0, undefined, {
+      status: 'pending',
+      context: 'auth module',
+      priority: 'high',
+    });
+    expect(item).toBeDefined();
+    expect(item.content).toBe('Fix the login bug');
+    const meta = awareness.parseMetadata(item);
+    expect(meta.status).toBe('pending');
+    expect(meta.context).toBe('auth module');
+    expect(meta.priority).toBe('high');
+  });
+
+  it('stores task without metadata (defaults to empty object)', () => {
+    const item = awareness.add('task', 'Simple task');
+    expect(item.metadata).toBe('{}');
+    const meta = awareness.parseMetadata(item);
+    expect(meta).toEqual({});
+  });
+
+  it('updates metadata on existing task', () => {
+    const item = awareness.add('task', 'Deploy v2.0', 0, undefined, { status: 'pending' });
+    awareness.updateMetadata(item.id, { status: 'in_progress', result: 'deploying...' });
+    const updated = awareness.get(item.id);
+    expect(updated).toBeDefined();
+    const meta = awareness.parseMetadata(updated!);
+    expect(meta.status).toBe('in_progress');
+    expect(meta.result).toBe('deploying...');
+  });
+
+  it('merges metadata without losing existing fields', () => {
+    const item = awareness.add('task', 'Multi-step task', 0, undefined, {
+      status: 'pending',
+      context: 'deployment',
+    });
+    awareness.updateMetadata(item.id, { status: 'in_progress' });
+    const updated = awareness.get(item.id);
+    const meta = awareness.parseMetadata(updated!);
+    expect(meta.status).toBe('in_progress');
+    expect(meta.context).toBe('deployment'); // preserved
+  });
+
+  it('throws when updating metadata for nonexistent item', () => {
+    expect(() => awareness.updateMetadata(999, { status: 'done' })).toThrow('Awareness item 999 not found');
+  });
+
+  it('retrieves tasks by status', () => {
+    awareness.add('task', 'Task A', 0, undefined, { status: 'pending' });
+    awareness.add('task', 'Task B', 0, undefined, { status: 'done' });
+    awareness.add('task', 'Task C', 0, undefined, { status: 'pending' });
+    const pending = awareness.getByStatus('pending');
+    expect(pending.length).toBe(2);
+    expect(pending.every(i => awareness.parseMetadata(i).status === 'pending')).toBe(true);
+  });
+
+  it('getByStatus returns empty array when no matches', () => {
+    awareness.add('task', 'Task A', 0, undefined, { status: 'pending' });
+    const inProgress = awareness.getByStatus('in_progress');
+    expect(inProgress).toEqual([]);
+  });
+
+  it('getByStatus ignores items without metadata status', () => {
+    awareness.add('task', 'No metadata task');
+    awareness.add('task', 'Has status', 0, undefined, { status: 'pending' });
+    const pending = awareness.getByStatus('pending');
+    expect(pending.length).toBe(1);
+  });
+
+  it('get() retrieves a single item by id', () => {
+    const item = awareness.add('task', 'Find me', 5);
+    const found = awareness.get(item.id);
+    expect(found).toBeDefined();
+    expect(found!.content).toBe('Find me');
+    expect(found!.priority).toBe(5);
+  });
+
+  it('get() returns undefined for nonexistent id', () => {
+    const found = awareness.get(999);
+    expect(found).toBeUndefined();
+  });
+});