feat: add tree forking, custom step tracking, and session sharing

Implement three foundational schema features from the design doc:

- Tree forking with lineage tracking (migration 022): parent_tree_id,
  root_tree_id, fork_depth columns with self-referential FKs and
  composite analytics index
- Custom step enhancement: CustomStepSchema with source tracking
  (ad-hoc, step-library, forked-tree) for backward-compatible JSONB
- Session sharing (migration 023): session_shares and session_share_views
  tables with account-scoped visibility, cryptographic tokens, view
  tracking, and allow_public_shares account policy

Includes 21 new integration tests (9 forking, 12 sharing), SaaS
consultant-recommended denormalizations, rate limiting on public share
access, and test fixture fix for invite code requirement.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Michael Chihlas
2026-02-07 19:10:47 -05:00
parent c8e7aaad1a
commit ffb14cd014
16 changed files with 1345 additions and 8 deletions

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@@ -16,6 +16,8 @@ from app.main import app
from app.core.database import Base, get_db
from app.core.config import settings
# Disable invite code requirement for tests
settings.REQUIRE_INVITE_CODE = False
# Test database URL (separate from production)
TEST_DATABASE_URL = "postgresql+asyncpg://postgres:postgres@localhost:5432/patherly_test"

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@@ -0,0 +1,239 @@
"""Tests for session sharing (create, access, revoke)."""
import pytest
from httpx import AsyncClient
pytestmark = pytest.mark.asyncio
class TestSessionSharing:
"""Test session share creation, access control, and revocation."""
async def _create_session(self, client, auth_headers, tree_id):
"""Helper: start a session for a tree."""
response = await client.post(
"/api/v1/sessions",
json={"tree_id": tree_id},
headers=auth_headers
)
assert response.status_code == 201
return response.json()
async def test_create_public_share(self, client: AsyncClient, auth_headers, test_tree):
"""Create a public share link."""
session = await self._create_session(client, auth_headers, test_tree["id"])
response = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public", "share_name": "Customer link"},
headers=auth_headers
)
assert response.status_code == 201
share = response.json()
assert share["visibility"] == "public"
assert share["share_name"] == "Customer link"
assert share["is_active"] is True
assert share["view_count"] == 0
assert len(share["share_token"]) > 0
async def test_create_account_share(self, client: AsyncClient, auth_headers, test_tree):
"""Create an account-only share link."""
session = await self._create_session(client, auth_headers, test_tree["id"])
response = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "account"},
headers=auth_headers
)
assert response.status_code == 201
assert response.json()["visibility"] == "account"
async def test_access_public_share(self, client: AsyncClient, auth_headers, test_tree):
"""Access a public share without authentication."""
session = await self._create_session(client, auth_headers, test_tree["id"])
# Create share
share_resp = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public"},
headers=auth_headers
)
share_token = share_resp.json()["share_token"]
# Access without auth
response = await client.get(f"/api/v1/share/{share_token}")
assert response.status_code == 200
data = response.json()
assert data["session_id"] == session["id"]
assert data["visibility"] == "public"
assert data["path_taken"] is not None
async def test_access_revoked_share_returns_404(self, client: AsyncClient, auth_headers, test_tree):
"""Accessing a revoked share returns 404."""
session = await self._create_session(client, auth_headers, test_tree["id"])
# Create and revoke share
share_resp = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public"},
headers=auth_headers
)
share = share_resp.json()
await client.delete(
f"/api/v1/shares/{share['id']}",
headers=auth_headers
)
# Try to access revoked share
response = await client.get(f"/api/v1/share/{share['share_token']}")
assert response.status_code == 404
async def test_access_nonexistent_share_returns_404(self, client: AsyncClient):
"""Accessing a nonexistent share token returns 404."""
response = await client.get("/api/v1/share/nonexistent-token-12345")
assert response.status_code == 404
async def test_list_my_shares(self, client: AsyncClient, auth_headers, test_tree):
"""List shares created by current user."""
session = await self._create_session(client, auth_headers, test_tree["id"])
# Create two shares
await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public", "share_name": "Link 1"},
headers=auth_headers
)
await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "account", "share_name": "Link 2"},
headers=auth_headers
)
response = await client.get(
"/api/v1/shares/my-shares",
headers=auth_headers
)
assert response.status_code == 200
shares = response.json()
assert len(shares) == 2
async def test_revoke_share(self, client: AsyncClient, auth_headers, test_tree):
"""Revoke a share link (soft delete)."""
session = await self._create_session(client, auth_headers, test_tree["id"])
share_resp = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public"},
headers=auth_headers
)
share = share_resp.json()
# Revoke
response = await client.delete(
f"/api/v1/shares/{share['id']}",
headers=auth_headers
)
assert response.status_code == 204
# Verify it's gone from my-shares
list_resp = await client.get(
"/api/v1/shares/my-shares",
headers=auth_headers
)
shares = list_resp.json()
assert len(shares) == 0
async def test_multiple_shares_per_session(self, client: AsyncClient, auth_headers, test_tree):
"""Multiple shares for the same session work independently."""
session = await self._create_session(client, auth_headers, test_tree["id"])
# Create public + account shares
resp1 = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public", "share_name": "For customer"},
headers=auth_headers
)
resp2 = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "account", "share_name": "For team"},
headers=auth_headers
)
assert resp1.status_code == 201
assert resp2.status_code == 201
# Both tokens are different
assert resp1.json()["share_token"] != resp2.json()["share_token"]
# Both accessible
access1 = await client.get(f"/api/v1/share/{resp1.json()['share_token']}")
assert access1.status_code == 200
async def test_share_view_count_increments(self, client: AsyncClient, auth_headers, test_tree):
"""View count increments on each access."""
session = await self._create_session(client, auth_headers, test_tree["id"])
share_resp = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public"},
headers=auth_headers
)
token = share_resp.json()["share_token"]
# Access three times
await client.get(f"/api/v1/share/{token}")
await client.get(f"/api/v1/share/{token}")
await client.get(f"/api/v1/share/{token}")
# Check view count via my-shares
list_resp = await client.get(
"/api/v1/shares/my-shares",
headers=auth_headers
)
shares = list_resp.json()
assert shares[0]["view_count"] == 3
async def test_share_requires_session_ownership(self, client: AsyncClient, auth_headers, test_tree, test_db):
"""Non-owner cannot create a share for someone else's session."""
session = await self._create_session(client, auth_headers, test_tree["id"])
# Register a different user
await client.post("/api/v1/auth/register", json={
"email": "other@example.com",
"password": "OtherPassword123!",
"name": "Other User"
})
login_resp = await client.post("/api/v1/auth/login/json", json={
"email": "other@example.com",
"password": "OtherPassword123!"
})
other_headers = {"Authorization": f"Bearer {login_resp.json()['access_token']}"}
# Try to share other user's session
response = await client.post(
f"/api/v1/sessions/{session['id']}/shares",
json={"visibility": "public"},
headers=other_headers
)
assert response.status_code == 403
async def test_share_nonexistent_session(self, client: AsyncClient, auth_headers):
"""Creating a share for nonexistent session returns 404."""
response = await client.post(
"/api/v1/sessions/00000000-0000-0000-0000-000000000000/shares",
json={"visibility": "public"},
headers=auth_headers
)
assert response.status_code == 404
async def test_create_share_requires_auth(self, client: AsyncClient, test_tree):
"""Creating a share without auth returns 401."""
response = await client.post(
"/api/v1/sessions/00000000-0000-0000-0000-000000000000/shares",
json={"visibility": "public"}
)
assert response.status_code == 401

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@@ -0,0 +1,168 @@
"""Tests for tree forking and lineage tracking."""
import pytest
from httpx import AsyncClient
pytestmark = pytest.mark.asyncio
class TestTreeForking:
"""Test tree fork creation, lineage, and update detection."""
async def test_fork_tree(self, client: AsyncClient, auth_headers, test_tree):
"""Fork a tree and verify fork metadata."""
response = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Customizing for our network"},
headers=auth_headers
)
assert response.status_code == 201
fork = response.json()
assert fork["name"] == f"Fork of {test_tree['name']}"
assert fork["tree_structure"] == test_tree["tree_structure"]
assert fork["is_public"] is False
assert fork["version"] == 1
# Verify fork_info
assert fork["fork_info"] is not None
assert fork["fork_info"]["parent_tree_id"] == test_tree["id"]
assert fork["fork_info"]["root_tree_id"] == test_tree["id"]
assert fork["fork_info"]["fork_reason"] == "Customizing for our network"
assert fork["fork_info"]["fork_depth"] == 1
assert fork["fork_info"]["has_parent_updates"] is False
async def test_fork_with_custom_name(self, client: AsyncClient, auth_headers, test_tree):
"""Fork a tree with a custom name."""
response = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"name": "My Custom Fork", "fork_reason": "Testing"},
headers=auth_headers
)
assert response.status_code == 201
assert response.json()["name"] == "My Custom Fork"
async def test_fork_of_fork_lineage(self, client: AsyncClient, auth_headers, test_tree):
"""Fork a fork and verify lineage tracking (root_tree_id, fork_depth)."""
# Create first fork
resp1 = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Junior's customization"},
headers=auth_headers
)
assert resp1.status_code == 201
fork1 = resp1.json()
# Fork the fork
resp2 = await client.post(
f"/api/v1/trees/{fork1['id']}/fork",
json={"fork_reason": "Senior's refinement"},
headers=auth_headers
)
assert resp2.status_code == 201
fork2 = resp2.json()
# Verify lineage
assert fork2["fork_info"]["parent_tree_id"] == fork1["id"]
assert fork2["fork_info"]["root_tree_id"] == test_tree["id"] # Points to original
assert fork2["fork_info"]["fork_depth"] == 2
assert fork2["fork_info"]["fork_reason"] == "Senior's refinement"
async def test_fork_nonexistent_tree(self, client: AsyncClient, auth_headers):
"""Fork a nonexistent tree returns 404."""
response = await client.post(
"/api/v1/trees/00000000-0000-0000-0000-000000000000/fork",
json={"fork_reason": "test"},
headers=auth_headers
)
assert response.status_code == 404
async def test_list_forks(self, client: AsyncClient, auth_headers, test_tree):
"""List forks of a tree."""
# Create two forks
await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Fork 1"},
headers=auth_headers
)
await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Fork 2"},
headers=auth_headers
)
response = await client.get(
f"/api/v1/trees/{test_tree['id']}/forks",
headers=auth_headers
)
assert response.status_code == 200
forks = response.json()
assert len(forks) == 2
async def test_lineage_chain(self, client: AsyncClient, auth_headers, test_tree):
"""Get lineage from fork back to root."""
# Create chain: root → fork1 → fork2
resp1 = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Level 1"},
headers=auth_headers
)
fork1 = resp1.json()
resp2 = await client.post(
f"/api/v1/trees/{fork1['id']}/fork",
json={"fork_reason": "Level 2"},
headers=auth_headers
)
fork2 = resp2.json()
# Get lineage from fork2
response = await client.get(
f"/api/v1/trees/{fork2['id']}/lineage",
headers=auth_headers
)
assert response.status_code == 200
lineage = response.json()
# Should be [fork2, fork1, root]
assert len(lineage) == 3
assert lineage[0]["id"] == fork2["id"]
assert lineage[1]["id"] == fork1["id"]
assert lineage[2]["id"] == test_tree["id"]
async def test_lineage_of_root_tree(self, client: AsyncClient, auth_headers, test_tree):
"""Root tree lineage is just itself."""
response = await client.get(
f"/api/v1/trees/{test_tree['id']}/lineage",
headers=auth_headers
)
assert response.status_code == 200
lineage = response.json()
assert len(lineage) == 1
assert lineage[0]["id"] == test_tree["id"]
async def test_fork_preserves_tree_structure(self, client: AsyncClient, auth_headers, test_tree):
"""Fork copies the complete tree_structure JSONB."""
response = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "Copy check"},
headers=auth_headers
)
fork = response.json()
# Get full fork detail
detail = await client.get(
f"/api/v1/trees/{fork['id']}",
headers=auth_headers
)
assert detail.status_code == 200
assert detail.json()["tree_structure"] == test_tree["tree_structure"]
async def test_fork_requires_auth(self, client: AsyncClient, test_tree):
"""Fork without auth returns 401."""
response = await client.post(
f"/api/v1/trees/{test_tree['id']}/fork",
json={"fork_reason": "No auth"}
)
assert response.status_code == 401