Spaces:
Paused
Paused
File size: 2,838 Bytes
d29a5a0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | """Tests for database concepts (simplified)."""
import pytest
class TestDatabaseConcepts:
"""Test database-related concepts without requiring full database setup."""
def test_database_url_parsing(self):
"""Test database URL parsing."""
# Test various database URL formats
test_cases = [
("postgresql://user:pass@localhost:5432/db", True),
("sqlite:///test.db", True),
("postgresql+asyncpg://user:pass@localhost:5432/db", True),
("invalid-url", False),
]
for url, should_parse in test_cases:
if should_parse:
# Just verify URL can be parsed
assert "://" in url
else:
# Invalid URLs should not have valid structure
if "://" in url:
pass # Some invalid URLs might still contain ://
def test_connection_pool_concepts(self):
"""Test connection pool configuration concepts."""
# Pool size should be positive
pool_size = 20
max_overflow = 30
pool_timeout = 30
pool_recycle = 3600
assert pool_size > 0
assert max_overflow >= 0
assert pool_timeout > 0
assert pool_recycle > 0
def test_session_factory_concepts(self):
"""Test session factory concepts."""
# Session configuration
expire_on_commit = False
autocommit = False
autoflush = False
assert isinstance(expire_on_commit, bool)
assert isinstance(autocommit, bool)
assert isinstance(autoflush, bool)
class TestSQLAlchemyTypes:
"""Test SQLAlchemy type concepts."""
def test_column_types(self):
"""Test column type concepts."""
from sqlalchemy import String, Integer, Boolean, DateTime
from sqlalchemy.dialects.postgresql import UUID, JSONB
# Verify types exist and can be instantiated
str_type = String(255)
int_type = Integer()
bool_type = Boolean()
dt_type = DateTime()
assert str_type is not None
assert int_type is not None
assert bool_type is not None
assert dt_type is not None
def test_orm_relationships(self):
"""Test ORM relationship concepts."""
from sqlalchemy.orm import relationship, backref
from sqlalchemy import ForeignKey
from sqlalchemy import Column, Integer, String
# Create mock models for testing
class User:
id = Column(Integer, primary_key=True)
name = Column(String(255))
class Post:
id = Column(Integer, primary_key=True)
user_id = Column(Integer, ForeignKey("users.id"))
title = Column(String(255))
assert hasattr(User, "id")
assert hasattr(Post, "id")
|