Files
MyDocManager/tests/services/test_user_service.py

739 lines
21 KiB
Python

"""
Unit tests for UserService using in-memory MongoDB.
Tests the business logic operations with real MongoDB operations
using mongomock for better integration testing.
"""
import pytest
from bson import ObjectId
from mongomock.mongo_client import MongoClient
from app.models.auth import UserRole
from app.models.user import UserCreate, UserUpdate, UserCreateNoValidation
from app.services.user_service import UserService
@pytest.fixture
def in_memory_database():
"""Create an in-memory database for testing."""
client = MongoClient()
return client.test_database
@pytest.fixture
def user_service(in_memory_database):
"""Create UserService with in-memory repositories."""
service = UserService(in_memory_database).initialize()
return service
@pytest.fixture
def sample_user_data():
"""Sample user data for testing."""
return {
"username": "testuser",
"email": "testuser@example.com",
"password": "SecureP@ssw0rd123"
}
@pytest.fixture
def sample_user_data_2():
"""Second sample user data for testing."""
return {
"username": "anotheruser",
"email": "anotheruser@example.com",
"password": "AnotherP@ssw0rd456"
}
class TestCreateUser:
"""Tests for create_user method."""
def test_i_can_create_user_with_valid_data(
self,
user_service,
sample_user_data
):
"""Test creating user with valid data."""
# Execute
user_create = UserCreate(**sample_user_data)
result = user_service.create_user(user_create)
# Verify user creation
assert result is not None
assert result.username == sample_user_data["username"]
assert result.email == sample_user_data["email"]
assert result.hashed_password is not None
assert result.hashed_password != sample_user_data["password"]
assert result.role == UserRole.USER
assert result.is_active is True
assert result.preferences == {}
assert result.created_at is not None
assert result.updated_at is not None
# Verify user exists in database
user_in_db = user_service.get_user_by_id(str(result.id))
assert user_in_db is not None
assert user_in_db.id == result.id
assert user_in_db.username == sample_user_data["username"]
def test_i_cannot_create_user_with_duplicate_username(
self,
user_service,
sample_user_data
):
"""Test that duplicate username raises ValueError."""
# Create first user
user_create = UserCreate(**sample_user_data)
user_service.create_user(user_create)
# Try to create user with same username but different email
duplicate_user_data = sample_user_data.copy()
duplicate_user_data["email"] = "different@example.com"
duplicate_user_create = UserCreate(**duplicate_user_data)
# Execute and verify exception
with pytest.raises(ValueError) as exc_info:
user_service.create_user(duplicate_user_create)
assert "already exists" in str(exc_info.value)
assert sample_user_data["username"] in str(exc_info.value)
def test_i_cannot_create_user_with_duplicate_email(
self,
user_service,
sample_user_data
):
"""Test that duplicate email raises ValueError."""
# Create first user
user_create = UserCreate(**sample_user_data)
user_service.create_user(user_create)
# Try to create user with same email but different username
duplicate_user_data = sample_user_data.copy()
duplicate_user_data["username"] = "differentuser"
duplicate_user_create = UserCreate(**duplicate_user_data)
# Execute and verify exception
with pytest.raises(ValueError) as exc_info:
user_service.create_user(duplicate_user_create)
assert "already exists" in str(exc_info.value)
assert sample_user_data["email"] in str(exc_info.value)
class TestGetUserMethods:
"""Tests for user retrieval methods."""
def test_i_can_get_user_by_username(
self,
user_service,
sample_user_data
):
"""Test retrieving user by username."""
# Create a user first
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute
result = user_service.get_user_by_username(sample_user_data["username"])
# Verify
assert result is not None
assert result.id == created_user.id
assert result.username == sample_user_data["username"]
assert result.email == sample_user_data["email"]
def test_i_can_get_user_by_id(
self,
user_service,
sample_user_data
):
"""Test retrieving user by ID."""
# Create a user first
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute
result = user_service.get_user_by_id(str(created_user.id))
# Verify
assert result is not None
assert result.id == created_user.id
assert result.username == sample_user_data["username"]
assert result.email == sample_user_data["email"]
def test_i_can_check_user_exists(
self,
user_service,
sample_user_data
):
"""Test checking if user exists."""
# Initially should not exist
assert user_service.user_exists(sample_user_data["username"]) is False
# Create a user
user_create = UserCreate(**sample_user_data)
user_service.create_user(user_create)
# Now should exist
assert user_service.user_exists(sample_user_data["username"]) is True
def test_i_cannot_get_nonexistent_user_by_username(
self,
user_service
):
"""Test retrieving nonexistent user by username returns None."""
# Execute
result = user_service.get_user_by_username("nonexistentuser")
# Verify
assert result is None
def test_i_cannot_get_nonexistent_user_by_id(
self,
user_service
):
"""Test retrieving nonexistent user by ID returns None."""
# Execute with random ObjectId
result = user_service.get_user_by_id(str(ObjectId()))
# Verify
assert result is None
class TestAuthenticateUser:
"""Tests for authenticate_user method."""
def test_i_can_authenticate_user_with_valid_credentials(
self,
user_service,
sample_user_data
):
"""Test authenticating user with valid credentials."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute authentication
result = user_service.authenticate_user(
sample_user_data["username"],
sample_user_data["password"]
)
# Verify
assert result is not None
assert result.id == created_user.id
assert result.username == sample_user_data["username"]
def test_i_cannot_authenticate_user_with_wrong_password(
self,
user_service,
sample_user_data
):
"""Test authenticating user with wrong password returns None."""
# Create a user
user_create = UserCreate(**sample_user_data)
user_service.create_user(user_create)
# Execute authentication with wrong password
result = user_service.authenticate_user(
sample_user_data["username"],
"WrongP@ssw0rd123"
)
# Verify
assert result is None
def test_i_cannot_authenticate_user_with_wrong_username(
self,
user_service,
sample_user_data
):
"""Test authenticating user with wrong username returns None."""
# Create a user
user_create = UserCreate(**sample_user_data)
user_service.create_user(user_create)
# Execute authentication with wrong username
result = user_service.authenticate_user(
"wrongusername",
sample_user_data["password"]
)
# Verify
assert result is None
def test_i_cannot_authenticate_inactive_user(
self,
user_service,
sample_user_data
):
"""Test authenticating inactive user returns None."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Deactivate the user
user_service.update_user(str(created_user.id), UserUpdate(is_active=False))
# Execute authentication
result = user_service.authenticate_user(
sample_user_data["username"],
sample_user_data["password"]
)
# Verify
assert result is None
class TestUpdateUser:
"""Tests for update_user method."""
def test_i_can_update_user_username(
self,
user_service,
sample_user_data
):
"""Test updating user username."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute update
new_username = "updatedusername"
result = user_service.update_user(
str(created_user.id),
UserUpdate(username=new_username)
)
# Verify
assert result is not None
assert result.username == new_username
# Verify in database
updated_user = user_service.get_user_by_id(str(created_user.id))
assert updated_user.username == new_username
def test_i_can_update_user_email(
self,
user_service,
sample_user_data
):
"""Test updating user email."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute update
new_email = "newemail@example.com"
result = user_service.update_user(
str(created_user.id),
UserUpdate(email=new_email)
)
# Verify
assert result is not None
assert result.email == new_email
# Verify in database
updated_user = user_service.get_user_by_id(str(created_user.id))
assert updated_user.email == new_email
def test_i_can_update_user_role(
self,
user_service,
sample_user_data
):
"""Test updating user role."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute update
result = user_service.update_user(
str(created_user.id),
UserUpdate(role=UserRole.ADMIN)
)
# Verify
assert result is not None
assert result.role == UserRole.ADMIN
# Verify in database
updated_user = user_service.get_user_by_id(str(created_user.id))
assert updated_user.role == UserRole.ADMIN
def test_i_can_update_user_is_active(
self,
user_service,
sample_user_data
):
"""Test updating user is_active status."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute update
result = user_service.update_user(
str(created_user.id),
UserUpdate(is_active=False)
)
# Verify
assert result is not None
assert result.is_active is False
# Verify in database
updated_user = user_service.get_user_by_id(str(created_user.id))
assert updated_user.is_active is False
def test_i_cannot_update_user_with_duplicate_username(
self,
user_service,
sample_user_data,
sample_user_data_2
):
"""Test that updating to existing username raises ValueError."""
# Create two users
user_create_1 = UserCreate(**sample_user_data)
user_1 = user_service.create_user(user_create_1)
user_create_2 = UserCreate(**sample_user_data_2)
user_2 = user_service.create_user(user_create_2)
# Try to update user_2 with user_1's username
with pytest.raises(ValueError) as exc_info:
user_service.update_user(
str(user_2.id),
UserUpdate(username=sample_user_data["username"])
)
assert "already taken" in str(exc_info.value)
def test_i_cannot_update_user_with_duplicate_email(
self,
user_service,
sample_user_data,
sample_user_data_2
):
"""Test that updating to existing email raises ValueError."""
# Create two users
user_create_1 = UserCreate(**sample_user_data)
user_1 = user_service.create_user(user_create_1)
user_create_2 = UserCreate(**sample_user_data_2)
user_2 = user_service.create_user(user_create_2)
# Try to update user_2 with user_1's email
with pytest.raises(ValueError) as exc_info:
user_service.update_user(
str(user_2.id),
UserUpdate(email=sample_user_data["email"])
)
assert "already taken" in str(exc_info.value)
def test_i_cannot_update_nonexistent_user(
self,
user_service
):
"""Test updating nonexistent user returns None."""
# Execute update with random ObjectId
result = user_service.update_user(
str(ObjectId()),
UserUpdate(username="newusername")
)
# Verify
assert result is None
class TestDeleteUser:
"""Tests for delete_user method."""
def test_i_can_delete_existing_user(
self,
user_service,
sample_user_data
):
"""Test deleting an existing user."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Verify user exists
user_before_delete = user_service.get_user_by_id(str(created_user.id))
assert user_before_delete is not None
# Execute deletion
result = user_service.delete_user(str(created_user.id))
# Verify deletion
assert result is True
# Verify user no longer exists
deleted_user = user_service.get_user_by_id(str(created_user.id))
assert deleted_user is None
def test_i_cannot_delete_nonexistent_user(
self,
user_service
):
"""Test deleting a nonexistent user returns False."""
# Execute deletion with random ObjectId
result = user_service.delete_user(str(ObjectId()))
# Verify
assert result is False
class TestListAndCountMethods:
"""Tests for list_users and count_users methods."""
def test_i_can_list_users(
self,
user_service,
sample_user_data,
sample_user_data_2
):
"""Test listing all users."""
# Create multiple users
user_create_1 = UserCreate(**sample_user_data)
user_1 = user_service.create_user(user_create_1)
user_create_2 = UserCreate(**sample_user_data_2)
user_2 = user_service.create_user(user_create_2)
# Execute
result = user_service.list_users()
# Verify
assert len(result) == 2
usernames = [user.username for user in result]
assert sample_user_data["username"] in usernames
assert sample_user_data_2["username"] in usernames
def test_i_can_list_users_with_pagination(
self,
user_service
):
"""Test listing users with pagination."""
# Create 5 users
for i in range(5):
user_data = UserCreateNoValidation(
username=f"user{i}",
email=f"user{i}@example.com",
password="SecureP@ssw0rd123"
)
user_service.create_user(user_data)
# Test skip and limit
result_page_1 = user_service.list_users(skip=0, limit=2)
assert len(result_page_1) == 2
result_page_2 = user_service.list_users(skip=2, limit=2)
assert len(result_page_2) == 2
result_page_3 = user_service.list_users(skip=4, limit=2)
assert len(result_page_3) == 1
# Verify different users in each page
page_1_usernames = [user.username for user in result_page_1]
page_2_usernames = [user.username for user in result_page_2]
assert page_1_usernames != page_2_usernames
def test_i_can_count_users(
self,
user_service,
sample_user_data,
sample_user_data_2
):
"""Test counting users."""
# Initially no users
assert user_service.count_users() == 0
# Create first user
user_create_1 = UserCreate(**sample_user_data)
user_service.create_user(user_create_1)
assert user_service.count_users() == 1
# Create second user
user_create_2 = UserCreate(**sample_user_data_2)
user_service.create_user(user_create_2)
assert user_service.count_users() == 2
def test_list_users_returns_empty_list_when_no_users(
self,
user_service
):
"""Test listing users returns empty list when no users exist."""
# Execute
result = user_service.list_users()
# Verify
assert result == []
class TestUserPreferences:
"""Tests for user preferences methods."""
def test_i_can_get_user_preference(
self,
user_service,
sample_user_data
):
"""Test getting user preference."""
# Create a user with preferences
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Set a preference
user_service.set_preference(str(created_user.id), "theme", "dark")
# Execute
result = user_service.get_preference(str(created_user.id), "theme")
# Verify
assert result == "dark"
def test_i_can_set_user_preference(
self,
user_service,
sample_user_data
):
"""Test setting user preference."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute
result = user_service.set_preference(str(created_user.id), "language", "fr")
# Verify
assert result is not None
assert result.preferences.get("language") == "fr"
# Verify in database
updated_user = user_service.get_user_by_id(str(created_user.id))
assert updated_user.preferences.get("language") == "fr"
def test_i_cannot_get_preference_for_nonexistent_user(
self,
user_service
):
"""Test getting preference for nonexistent user returns None."""
# Execute with random ObjectId
result = user_service.get_preference(str(ObjectId()), "theme")
# Verify
assert result is None
def test_i_cannot_set_preference_for_nonexistent_user(
self,
user_service
):
"""Test setting preference for nonexistent user returns None."""
# Execute with random ObjectId
result = user_service.set_preference(str(ObjectId()), "theme", "dark")
# Verify
assert result is None
def test_get_preference_returns_none_for_nonexistent_key(
self,
user_service,
sample_user_data
):
"""Test getting nonexistent preference key returns None."""
# Create a user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
# Execute
result = user_service.get_preference(str(created_user.id), "nonexistent_key")
# Verify
assert result is None
class TestUserLifecycle:
"""Tests for complete user lifecycle scenarios."""
def test_complete_user_lifecycle(
self,
user_service,
sample_user_data
):
"""Test complete user lifecycle: create → authenticate → update → preferences → delete."""
# Create user
user_create = UserCreate(**sample_user_data)
created_user = user_service.create_user(user_create)
assert created_user is not None
assert created_user.username == sample_user_data["username"]
# Authenticate user
authenticated_user = user_service.authenticate_user(
sample_user_data["username"],
sample_user_data["password"]
)
assert authenticated_user is not None
assert authenticated_user.id == created_user.id
# Update user
updated_user = user_service.update_user(
str(created_user.id),
UserUpdate(role=UserRole.ADMIN)
)
assert updated_user.role == UserRole.ADMIN
# Set preference
user_with_pref = user_service.set_preference(
str(created_user.id),
"theme",
"dark"
)
assert user_with_pref.preferences.get("theme") == "dark"
# Get preference
pref_value = user_service.get_preference(str(created_user.id), "theme")
assert pref_value == "dark"
# Delete user
delete_result = user_service.delete_user(str(created_user.id))
assert delete_result is True
# Verify user no longer exists
deleted_user = user_service.get_user_by_id(str(created_user.id))
assert deleted_user is None
def test_user_operations_with_empty_database(
self,
user_service
):
"""Test user operations when database is empty."""
# Try to get nonexistent user
result = user_service.get_user_by_id(str(ObjectId()))
assert result is None
# Try to get user by username
result = user_service.get_user_by_username("nonexistent")
assert result is None
# Try to list users
users = user_service.list_users()
assert users == []
# Try to count users
count = user_service.count_users()
assert count == 0
# Try to delete nonexistent user
delete_result = user_service.delete_user(str(ObjectId()))
assert delete_result is False
# Try to check user existence
exists = user_service.user_exists("nonexistent")
assert exists is False