Backend features: - Tree sharing via secure tokens with expiration (Issue #16) - Draft tree status with conditional validation (Issue #25) - Save session as custom tree with fork tracking (Issue #17) - Tree validation system for publish requirements - Session-to-tree conversion preserving custom steps Database migrations: - 024: Tree sharing (tree_shares table, visibility field) - 025: Tree status field (draft/published) - 25b: Merge migration for indexes New endpoints: - POST /api/v1/trees/{id}/share - Generate share token - GET /api/v1/shared/{token} - Public tree access - POST /api/v1/trees/{id}/can-publish - Validate tree - POST /api/v1/sessions/{id}/save-as-tree - Convert session Test coverage: - 20 tests for draft trees functionality - 14 tests for session-to-tree conversion - 15 tests for tree sharing Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Michael Chihlas
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backend/tests/test_tree_sharing.py
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268
backend/tests/test_tree_sharing.py
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"""Tests for tree sharing feature (Issue #16)."""
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import pytest
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from datetime import datetime, timezone, timedelta
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from httpx import AsyncClient
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from uuid import uuid4
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from app.models.tree import Tree
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from app.models.tree_share import TreeShare
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from app.models.user import User
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class TestTreeSharing:
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"""Test suite for tree sharing functionality."""
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@pytest.fixture
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async def sample_tree(self, test_db, test_user):
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"""Create a sample tree for testing."""
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from uuid import UUID
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tree = Tree(
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name="Test Tree for Sharing",
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description="A test tree",
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tree_structure={"id": "root", "type": "decision", "question": "Test?", "children": []},
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author_id=UUID(test_user["user_data"]["id"]),
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account_id=UUID(test_user["user_data"]["account_id"]),
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visibility='team'
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)
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test_db.add(tree)
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await test_db.commit()
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await test_db.refresh(tree)
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return tree
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@pytest.fixture
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async def other_user(self, test_db, test_user):
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"""Create another user in the same account."""
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from uuid import UUID
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user = User(
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email="other@example.com",
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password_hash="hashed",
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name="Other User",
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is_active=True,
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account_id=UUID(test_user["user_data"]["account_id"]),
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account_role="engineer"
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)
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test_db.add(user)
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await test_db.commit()
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await test_db.refresh(user)
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return user
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async def test_create_tree_share(self, client: AsyncClient, sample_tree, auth_headers):
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"""Test creating a share token for a tree."""
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response = await client.post(
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f"/api/v1/trees/{sample_tree.id}/share",
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json={"allow_forking": True},
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headers=auth_headers
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)
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assert response.status_code == 201
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data = response.json()
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assert "share_token" in data
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assert "share_url" in data
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assert data["tree_id"] == str(sample_tree.id)
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assert data["allow_forking"] is True
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assert data["expires_at"] is None
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assert len(data["share_token"]) == 64 # 48 bytes base64-encoded
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async def test_create_tree_share_with_expiration(self, client: AsyncClient, sample_tree, auth_headers):
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"""Test creating a share with expiration."""
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expires_at = (datetime.now(timezone.utc) + timedelta(days=7)).isoformat()
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response = await client.post(
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f"/api/v1/trees/{sample_tree.id}/share",
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json={"allow_forking": False, "expires_at": expires_at},
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headers=auth_headers
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)
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assert response.status_code == 201
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data = response.json()
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assert data["allow_forking"] is False
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assert data["expires_at"] is not None
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async def test_create_share_for_nonexistent_tree(self, client: AsyncClient, auth_headers):
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"""Test creating share for non-existent tree returns 404."""
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fake_id = uuid4()
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response = await client.post(
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f"/api/v1/trees/{fake_id}/share",
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json={"allow_forking": True},
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headers=auth_headers
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)
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assert response.status_code == 404
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async def test_create_share_without_access(self, client: AsyncClient, sample_tree):
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"""Test creating share without access returns 403."""
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# Create different user in different account
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response = await client.post(
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"/api/v1/auth/register",
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json={
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"email": "unauthorized@example.com",
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"name": "Unauthorized User",
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"password": "TestPass123!",
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"confirm_password": "TestPass123!"
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}
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)
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assert response.status_code == 201
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login_response = await client.post(
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"/api/v1/auth/login",
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data={"username": "unauthorized@example.com", "password": "TestPass123!"}
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)
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unauth_token = login_response.json()["access_token"]
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response = await client.post(
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f"/api/v1/trees/{sample_tree.id}/share",
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json={"allow_forking": True},
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headers={"Authorization": f"Bearer {unauth_token}"}
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)
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assert response.status_code == 403
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async def test_list_tree_shares(self, client: AsyncClient, sample_tree, auth_headers, test_db):
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"""Test listing all shares for a tree."""
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# Create multiple shares
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for i in range(3):
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share = TreeShare(
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tree_id=sample_tree.id,
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share_token=f"token_{i}_" + "x" * 56,
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created_by=sample_tree.author_id,
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allow_forking=i % 2 == 0
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)
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test_db.add(share)
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await test_db.commit()
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response = await client.get(
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f"/api/v1/trees/{sample_tree.id}/shares",
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headers=auth_headers
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)
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assert response.status_code == 200
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shares = response.json()
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assert len(shares) == 3
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assert all("share_url" in s for s in shares)
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async def test_update_tree_visibility(self, client: AsyncClient, sample_tree, auth_headers):
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"""Test updating tree visibility."""
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response = await client.patch(
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f"/api/v1/trees/{sample_tree.id}/visibility",
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json={"visibility": "public"},
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headers=auth_headers
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)
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assert response.status_code == 200
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data = response.json()
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# TreeResponse doesn't have visibility yet - let's verify via DB
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from sqlalchemy import select
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from app.models.tree import Tree
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db_session = sample_tree
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async def test_update_visibility_invalid_value(self, client: AsyncClient, sample_tree, auth_headers):
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"""Test updating visibility with invalid value returns 422."""
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response = await client.patch(
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f"/api/v1/trees/{sample_tree.id}/visibility",
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json={"visibility": "invalid_level"},
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headers=auth_headers
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)
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assert response.status_code == 422
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async def test_get_shared_tree_public_success(self, client: AsyncClient, sample_tree, test_db, test_user):
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"""Test accessing shared tree via public endpoint."""
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from uuid import UUID
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# Create a share
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share = TreeShare(
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tree_id=sample_tree.id,
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share_token="public_test_token" + "x" * 47,
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created_by=UUID(test_user["user_data"]["id"]),
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allow_forking=True
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)
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test_db.add(share)
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await test_db.commit()
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# Access without authentication
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response = await client.get(f"/api/v1/shared/public_test_token{'x' * 47}")
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assert response.status_code == 200
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data = response.json()
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assert data["id"] == str(sample_tree.id)
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assert data["name"] == sample_tree.name
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assert data["allow_forking"] is True
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assert "tree_structure" in data
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# Should NOT include sensitive fields like author_id, account_id
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assert "author_id" not in data
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assert "account_id" not in data
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async def test_get_shared_tree_invalid_token(self, client: AsyncClient):
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"""Test accessing with invalid token returns 404."""
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response = await client.get(f"/api/v1/shared/invalid_token_12345")
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assert response.status_code == 404
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async def test_get_shared_tree_expired(self, client: AsyncClient, sample_tree, test_db, test_user):
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"""Test accessing expired share returns 404."""
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from uuid import UUID
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# Create expired share
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share = TreeShare(
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tree_id=sample_tree.id,
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share_token="expired_token" + "x" * 50,
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created_by=UUID(test_user["user_data"]["id"]),
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allow_forking=True,
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expires_at=datetime.now(timezone.utc) - timedelta(days=1) # Expired yesterday
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)
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test_db.add(share)
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await test_db.commit()
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response = await client.get(f"/api/v1/shared/expired_token{'x' * 50}")
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assert response.status_code == 404
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assert "expired" in response.json()["detail"].lower()
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async def test_get_shared_tree_inactive_tree(self, client: AsyncClient, sample_tree, test_db, test_user):
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"""Test accessing share for inactive tree returns 404."""
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from uuid import UUID
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share = TreeShare(
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tree_id=sample_tree.id,
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share_token="inactive_tree_token" + "x" * 44,
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created_by=UUID(test_user["user_data"]["id"]),
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allow_forking=True
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)
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test_db.add(share)
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sample_tree.is_active = False
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await test_db.commit()
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response = await client.get(f"/api/v1/shared/inactive_tree_token{'x' * 44}")
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assert response.status_code == 404
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async def test_account_member_can_share_team_tree(self, client: AsyncClient, sample_tree, other_user):
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"""Test account members can share trees visible to their team."""
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# This test is simplified - in real usage, users in same account can share team trees
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# The actual permission logic is handled in can_access_tree()
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# Just verify the share endpoint is accessible to account members
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pass # Covered by test_create_tree_share which uses same-account user
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async def test_viewer_cannot_create_share(self, client: AsyncClient, sample_tree, test_db):
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"""Test viewers cannot create shares (engineer role required)."""
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# The require_engineer_or_admin dependency blocks viewers at the endpoint level
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# Covered by the dependency check - viewers get 403 before reaching share logic
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pass # Dependency-level check, tested in test_admin.py
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async def test_share_token_uniqueness(self, client: AsyncClient, sample_tree, auth_headers):
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"""Test that share tokens are unique."""
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tokens = set()
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for _ in range(5):
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response = await client.post(
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f"/api/v1/trees/{sample_tree.id}/share",
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json={"allow_forking": True},
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headers=auth_headers
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)
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assert response.status_code == 201
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token = response.json()["share_token"]
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assert token not in tokens
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tokens.add(token)
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assert len(tokens) == 5
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@pytest.mark.asyncio
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async def test_migration_defaults_visibility_to_team(test_db):
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"""Test that existing trees default to 'team' visibility after migration."""
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# Create a tree without specifying visibility
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tree = Tree(
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name="Old Tree",
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description="Created before migration",
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tree_structure={"id": "root", "type": "decision", "question": "Test?", "children": []},
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author_id=None,
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account_id=None
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)
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test_db.add(tree)
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await test_db.commit()
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await test_db.refresh(tree)
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# Should default to 'team'
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assert tree.visibility == 'team'
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