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from __future__ import annotations
import sqlite3
import subprocess
import sys
from importlib.metadata import version
from pathlib import Path
import pytest
future_imports = "from __future__ import annotations\n\n"
@pytest.fixture
def db_path(tmp_path: Path) -> Path:
path = tmp_path / "test.db"
with sqlite3.connect(str(path)) as conn:
cursor = conn.cursor()
cursor.execute(
"CREATE TABLE foo (id INTEGER PRIMARY KEY NOT NULL, name TEXT NOT NULL)"
)
return path
def test_cli_tables(db_path: Path, tmp_path: Path) -> None:
output_path = tmp_path / "outfile"
subprocess.run(
[
"sqlacodegen",
f"sqlite:///{db_path}",
"--generator",
"tables",
"--outfile",
str(output_path),
],
check=True,
)
assert (
output_path.read_text()
== """\
from sqlalchemy import Column, Integer, MetaData, Table, Text
metadata = MetaData()
t_foo = Table(
'foo', metadata,
Column('id', Integer, primary_key=True),
Column('name', Text, nullable=False)
)
"""
)
def test_cli_declarative(db_path: Path, tmp_path: Path) -> None:
output_path = tmp_path / "outfile"
subprocess.run(
[
"sqlacodegen",
f"sqlite:///{db_path}",
"--generator",
"declarative",
"--outfile",
str(output_path),
],
check=True,
)
assert (
output_path.read_text()
== """\
from sqlalchemy import Integer, Text
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
class Base(DeclarativeBase):
pass
class Foo(Base):
__tablename__ = 'foo'
id: Mapped[int] = mapped_column(Integer, primary_key=True)
name: Mapped[str] = mapped_column(Text)
"""
)
def test_cli_dataclass(db_path: Path, tmp_path: Path) -> None:
output_path = tmp_path / "outfile"
subprocess.run(
[
"sqlacodegen",
f"sqlite:///{db_path}",
"--generator",
"dataclasses",
"--outfile",
str(output_path),
],
check=True,
)
assert (
output_path.read_text()
== """\
from sqlalchemy import Integer, Text
from sqlalchemy.orm import DeclarativeBase, Mapped, MappedAsDataclass, mapped_column
class Base(MappedAsDataclass, DeclarativeBase):
pass
class Foo(Base):
__tablename__ = 'foo'
id: Mapped[int] = mapped_column(Integer, primary_key=True)
name: Mapped[str] = mapped_column(Text)
"""
)
def test_cli_sqlmodels(db_path: Path, tmp_path: Path) -> None:
output_path = tmp_path / "outfile"
subprocess.run(
[
"sqlacodegen",
f"sqlite:///{db_path}",
"--generator",
"sqlmodels",
"--outfile",
str(output_path),
],
check=True,
)
assert (
output_path.read_text()
== """\
from sqlalchemy import Column, Integer, Text
from typing import Optional
from sqlmodel import Field, SQLModel
class Foo(SQLModel, table=True):
id: Optional[int] = Field(default=None, sa_column=Column('id', Integer, \
primary_key=True))
name: str = Field(sa_column=Column('name', Text, nullable=False))
"""
)
def test_main() -> None:
expected_version = version("sqlacodegen")
completed = subprocess.run(
[sys.executable, "-m", "sqlacodegen", "--version"],
stdout=subprocess.PIPE,
check=True,
)
assert completed.stdout.decode().strip() == expected_version
|
