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"""Tests for JSON input file code generation."""
from __future__ import annotations
from typing import TYPE_CHECKING
from unittest.mock import call
import black
import pytest
from packaging import version
from datamodel_code_generator import chdir
from datamodel_code_generator.__main__ import Exit
from tests.conftest import create_assert_file_content
from tests.main.conftest import (
EXPECTED_JSON_PATH,
JSON_DATA_PATH,
run_main_and_assert,
run_main_url_and_assert,
)
if TYPE_CHECKING:
from pathlib import Path
from pytest_mock import MockerFixture
assert_file_content = create_assert_file_content(EXPECTED_JSON_PATH)
@pytest.mark.cli_doc(
options=["--input-file-type"],
input_schema="json/pet.json",
cli_args=["--input-file-type", "json"],
golden_output="json/general.py",
)
def test_main_json(output_file: Path) -> None:
"""Specify the input file type for code generation.
The `--input-file-type` flag explicitly sets the input format when it cannot
be auto-detected from the file extension. Supported types: openapi, jsonschema,
json, yaml, csv, graphql.
"""
run_main_and_assert(
input_path=JSON_DATA_PATH / "pet.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
expected_file="general.py",
)
def test_space_and_special_characters_json(output_file: Path) -> None:
"""Test JSON code generation with space and special characters."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "space_and_special_characters.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
expected_file="space_and_special_characters.py",
)
def test_main_json_failed(output_file: Path, capsys: pytest.CaptureFixture[str]) -> None:
"""Test JSON code generation with broken input file."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "broken.json",
output_path=output_file,
input_file_type="json",
expected_exit=Exit.ERROR,
capsys=capsys,
expected_stderr_contains="Invalid file format",
)
def test_main_json_array_include_null(output_file: Path) -> None:
"""Test JSON code generation with arrays including null values."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "array_include_null.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
)
def test_main_json_reuse_model(output_file: Path) -> None:
"""Test JSON code generation with model reuse."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "duplicate_models.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
extra_args=["--reuse-model"],
)
def test_main_json_reuse_model_pydantic2(output_file: Path) -> None:
"""Test JSON code generation with model reuse and Pydantic v2."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "duplicate_models.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
extra_args=["--output-model-type", "pydantic_v2.BaseModel", "--reuse-model"],
)
def test_simple_json_snake_case_field(output_file: Path) -> None:
"""Test JSON code generation with snake case field naming."""
with chdir(JSON_DATA_PATH):
run_main_and_assert(
input_path=JSON_DATA_PATH / "simple.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
extra_args=["--snake-case-field"],
)
def test_main_http_json(mocker: MockerFixture, output_file: Path) -> None:
"""Test JSON code generation from HTTP URL."""
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"),
],
)
run_main_url_and_assert(
url="https://example.com/pet.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
expected_file="general.py",
transform=lambda s: s.replace(
"# filename: https://example.com/pet.json",
"# filename: 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 ",
)
def test_main_typed_dict_space_and_special_characters(output_file: Path) -> None:
"""Test TypedDict generation with space and special characters."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "space_and_special_characters.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
extra_args=["--output-model-type", "typing.TypedDict", "--target-python-version", "3.11"],
)
def test_main_json_snake_case_field(output_file: Path) -> None:
"""Test JSON code generation with snake case field naming."""
run_main_and_assert(
input_path=JSON_DATA_PATH / "snake_case.json",
output_path=output_file,
input_file_type="json",
assert_func=assert_file_content,
extra_args=["--snake-case-field"],
)
|
