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from pathlib import Path
import pytest
from pytest import CaptureFixture
from fastapi_cli.discover import get_app, get_import_data
from fastapi_cli.exceptions import FastAPICLIException
from tests.utils import changing_dir
assets_path = Path(__file__).parent / "assets"
def test_package_app_root() -> None:
with changing_dir(assets_path):
import_data = get_import_data(path=Path("package/mod/app.py"))
assert import_data.import_string == "package.mod.app:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.app"
def test_package_api_root() -> None:
with changing_dir(assets_path):
import_data = get_import_data(path=Path("package/mod/api.py"))
assert import_data.import_string == "package.mod.api:api"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.api"
def test_package_other_root() -> None:
with changing_dir(assets_path):
import_data = get_import_data(path=Path("package/mod/other.py"))
assert import_data.import_string == "package.mod.other:first_other"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.other"
def test_package_app_mod() -> None:
with changing_dir(assets_path / "package/mod"):
import_data = get_import_data(path=Path("app.py"))
assert import_data.import_string == "package.mod.app:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.app"
def test_package_api_mod() -> None:
with changing_dir(assets_path / "package/mod"):
import_data = get_import_data(path=Path("api.py"))
assert import_data.import_string == "package.mod.api:api"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.api"
def test_package_other_mod() -> None:
with changing_dir(assets_path / "package/mod"):
import_data = get_import_data(path=Path("other.py"))
assert import_data.import_string == "package.mod.other:first_other"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.other"
def test_package_app_above() -> None:
with changing_dir(assets_path.parent):
import_data = get_import_data(path=Path("assets/package/mod/app.py"))
assert import_data.import_string == "package.mod.app:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.app"
def test_package_api_parent() -> None:
with changing_dir(assets_path.parent):
import_data = get_import_data(path=Path("assets/package/mod/api.py"))
assert import_data.import_string == "package.mod.api:api"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.api"
def test_package_other_parent() -> None:
with changing_dir(assets_path.parent):
import_data = get_import_data(path=Path("assets/package/mod/other.py"))
assert import_data.import_string == "package.mod.other:first_other"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod.other"
def test_package_mod_init_inside() -> None:
with changing_dir(assets_path / "package/mod"):
import_data = get_import_data(path=Path("__init__.py"))
assert import_data.import_string == "package.mod:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod"
def test_package_mod_dir() -> None:
with changing_dir(assets_path):
import_data = get_import_data(path=Path("package/mod"))
assert import_data.import_string == "package.mod:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package.mod"
def test_package_init_inside() -> None:
with changing_dir(assets_path / "package"):
import_data = get_import_data(path=Path("__init__.py"))
assert import_data.import_string == "package:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package"
def test_package_dir_inside_package() -> None:
with changing_dir(assets_path / "package/mod"):
import_data = get_import_data(path=Path("../"))
assert import_data.import_string == "package:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package"
def test_package_dir_above_package() -> None:
with changing_dir(assets_path.parent):
import_data = get_import_data(path=Path("assets/package"))
assert import_data.import_string == "package:app"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package"
def test_package_dir_explicit_app() -> None:
with changing_dir(assets_path):
import_data = get_import_data(path=Path("package"), app_name="api")
assert import_data.import_string == "package:api"
assert import_data.module_data.extra_sys_path == assets_path
assert import_data.module_data.module_import_str == "package"
def test_broken_package_dir(capsys: CaptureFixture[str]) -> None:
with changing_dir(assets_path):
# TODO (when deprecating Python 3.8): remove ValueError
with pytest.raises((ImportError, ValueError)):
get_import_data(path=Path("broken_package/mod/app.py"))
captured = capsys.readouterr()
assert "Import error:" in captured.out
assert "Ensure all the package directories have an __init__.py file" in captured.out
def test_get_app_broken_package_dir(capsys: CaptureFixture[str]) -> None:
with changing_dir(assets_path):
# TODO (when deprecating Python 3.8): remove ValueError
with pytest.raises((ImportError, ValueError)):
get_app(path=Path("broken_package/mod/app.py"))
captured = capsys.readouterr()
assert "Import error:" in captured.out
assert "Ensure all the package directories have an __init__.py file" in captured.out
def test_package_dir_no_app() -> None:
with changing_dir(assets_path):
with pytest.raises(FastAPICLIException) as e:
get_import_data(path=Path("package/core/utils.py"))
assert (
"Could not find FastAPI app in module, try using --app" in e.value.args[0]
)
def test_package_dir_object_not_an_app() -> None:
with changing_dir(assets_path):
with pytest.raises(FastAPICLIException) as e:
get_import_data(
path=Path("package/core/utils.py"), app_name="get_hello_world"
)
assert (
"The app name get_hello_world in package.core.utils doesn't seem to be a FastAPI app"
in e.value.args[0]
)
def test_package_dir_object_app_name_not_found() -> None:
with changing_dir(assets_path):
with pytest.raises(FastAPICLIException) as e:
get_import_data(path=Path("package"), app_name="non_existent_app")
assert "Could not find app name non_existent_app in package" in e.value.args[0]