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from __future__ import annotations
from argparse import Namespace
from typing import TYPE_CHECKING
from unittest.mock import call
import black
import pytest
from freezegun import freeze_time
from packaging import version
from datamodel_code_generator import (
chdir,
)
from datamodel_code_generator.__main__ import Exit, main
from tests.main.test_main_general import DATA_PATH, EXPECTED_MAIN_PATH
if TYPE_CHECKING:
from pathlib import Path
from pytest_mock import MockerFixture
FixtureRequest = pytest.FixtureRequest
JSON_DATA_PATH: Path = DATA_PATH / "json"
EXPECTED_JSON_PATH: Path = EXPECTED_MAIN_PATH / "json"
@pytest.fixture(autouse=True)
def reset_namespace(monkeypatch: pytest.MonkeyPatch) -> None:
namespace_ = Namespace(no_color=False)
monkeypatch.setattr("datamodel_code_generator.__main__.namespace", namespace_)
monkeypatch.setattr("datamodel_code_generator.arguments.namespace", namespace_)
@freeze_time("2019-07-26")
def test_main_json(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "pet.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "general.py").read_text()
@freeze_time("2019-07-26")
def test_space_and_special_characters_json(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "space_and_special_characters.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
])
assert return_code == Exit.OK
assert (
output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "space_and_special_characters.py").read_text()
)
@freeze_time("2019-07-26")
def test_main_json_failed(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "broken.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
])
assert return_code == Exit.ERROR
@freeze_time("2019-07-26")
def test_main_json_array_include_null(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "array_include_null.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "json_array_include_null.py").read_text()
@freeze_time("2019-07-26")
def test_main_json_reuse_model(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "duplicate_models.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
"--reuse-model",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "json_reuse_model.py").read_text()
@freeze_time("2019-07-26")
def test_main_json_reuse_model_pydantic2(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "duplicate_models.json"),
"--output-model-type",
"pydantic_v2.BaseModel",
"--output",
str(output_file),
"--input-file-type",
"json",
"--reuse-model",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "json_reuse_model_pydantic2.py").read_text()
@freeze_time("2019-07-26")
def test_simple_json_snake_case_field(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
with chdir(JSON_DATA_PATH / "simple.json"):
return_code: Exit = main([
"--input",
"simple.json",
"--output",
str(output_file),
"--input-file-type",
"json",
"--snake-case-field",
])
assert return_code == Exit.OK
assert (
output_file.read_text(encoding="utf-8")
== (EXPECTED_JSON_PATH / "simple_json_snake_case_field.py").read_text()
)
@freeze_time("2019-07-26")
def test_main_http_json(mocker: MockerFixture, tmp_path: Path) -> None:
def get_mock_response(path: str) -> mocker.Mock:
mock = mocker.Mock()
mock.text = (JSON_DATA_PATH / path).read_text()
return mock
httpx_get_mock = mocker.patch(
"httpx.get",
side_effect=[
get_mock_response("pet.json"),
],
)
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--url",
"https://example.com/pet.json",
"--output",
str(output_file),
"--input-file-type",
"json",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "general.py").read_text().replace(
"# filename: pet.json",
"# filename: https://example.com/pet.json",
)
httpx_get_mock.assert_has_calls([
call(
"https://example.com/pet.json",
headers=None,
verify=True,
follow_redirects=True,
params=None,
),
])
@pytest.mark.skipif(
version.parse(black.__version__) < version.parse("23.3.0"),
reason="Require Black version 23.3.0 or later ",
)
@freeze_time("2019-07-26")
def test_main_typed_dict_space_and_special_characters(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "space_and_special_characters.json"),
"--output",
str(output_file),
"--output-model-type",
"typing.TypedDict",
"--target-python-version",
"3.11",
])
assert return_code == Exit.OK
assert (
output_file.read_text(encoding="utf-8")
== (EXPECTED_JSON_PATH / "typed_dict_space_and_special_characters.py").read_text()
)
@freeze_time("2019-07-26")
def test_main_json_snake_case_field(tmp_path: Path) -> None:
output_file: Path = tmp_path / "output.py"
return_code: Exit = main([
"--input",
str(JSON_DATA_PATH / "snake_case.json"),
"--output",
str(output_file),
"--input-file-type",
"json",
"--snake-case-field",
])
assert return_code == Exit.OK
assert output_file.read_text(encoding="utf-8") == (EXPECTED_JSON_PATH / "json_snake_case_field.py").read_text()
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