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"""Tests for GraphQL schema parser."""
from __future__ import annotations
from typing import TYPE_CHECKING, Any
import pytest
from datamodel_code_generator.model.dataclass import DataClass
from datamodel_code_generator.parser.graphql import GraphQLParser
from datamodel_code_generator.reference import Reference
from tests.conftest import create_assert_file_content
from tests.main.conftest import GRAPHQL_DATA_PATH, run_main_and_assert
from tests.main.test_main_general import DATA_PATH
if TYPE_CHECKING:
from pathlib import Path
EXPECTED_GRAPHQL_PATH: Path = DATA_PATH / "expected" / "parser" / "graphql"
assert_file_content = create_assert_file_content(EXPECTED_GRAPHQL_PATH)
def test_graphql_field_enum(output_file: Path) -> None:
"""Test parsing GraphQL field with enum default value."""
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "field-default-enum.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_file_content,
expected_file="field-default-enum.py",
extra_args=["--set-default-enum-member"],
)
def test_graphql_union_aliased_bug(output_file: Path) -> None:
"""Test parsing GraphQL union with aliased types."""
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "union-aliased-bug.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_file_content,
expected_file="union-aliased-bug.py",
)
def test_graphql_union_commented(output_file: Path) -> None:
"""Test parsing GraphQL union with comments."""
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "union-commented.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_file_content,
expected_file="union-commented.py",
)
def test_graphql_union_with_prefix(output_file: Path) -> None:
"""Test parsing GraphQL union with class name prefix (Unions should reference prefixed class names)."""
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "union.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_file_content,
expected_file="union_with_prefix.py",
extra_args=["--class-name-prefix", "Foo"],
)
@pytest.mark.parametrize(
("frozen_dataclasses", "keyword_only", "parser_dataclass_args", "kwargs_dataclass_args", "expected"),
[
(False, False, None, None, {}),
(True, False, None, None, {"frozen": True}),
(False, True, None, None, {"kw_only": True}),
(True, True, None, None, {"frozen": True, "kw_only": True}),
(False, False, {"slots": True}, None, {"slots": True}),
(True, True, {"slots": True}, None, {"slots": True}),
(True, True, {"slots": True}, {"order": True}, {"order": True}),
],
)
def test_create_data_model_dataclass_arguments(
frozen_dataclasses: bool,
keyword_only: bool,
parser_dataclass_args: dict | None,
kwargs_dataclass_args: dict | None,
expected: dict,
) -> None:
"""Test _create_data_model handles dataclass_arguments correctly."""
parser = GraphQLParser(
source="type Query { id: ID }",
data_model_type=DataClass,
frozen_dataclasses=frozen_dataclasses,
keyword_only=keyword_only,
)
parser.dataclass_arguments = parser_dataclass_args
reference = Reference(path="test", original_name="Test", name="Test")
kwargs: dict[str, Any] = {"reference": reference, "fields": []}
if kwargs_dataclass_args is not None:
kwargs["dataclass_arguments"] = kwargs_dataclass_args
result = parser._create_data_model(**kwargs)
assert isinstance(result, DataClass)
assert result.dataclass_arguments == expected
def test_create_data_model_class_decorators() -> None:
"""Test _create_data_model applies class_decorators correctly."""
parser = GraphQLParser(
source="type Query { id: ID }",
data_model_type=DataClass,
class_decorators=["@dataclass_json"],
)
reference = Reference(path="test", original_name="Test", name="Test")
result = parser._create_data_model(reference=reference, fields=[])
assert isinstance(result, DataClass)
assert result.decorators == ["@dataclass_json"]
def test_graphql_no_typename(output_file: Path) -> None:
"""Test that --graphql-no-typename excludes typename__ field from all types."""
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "no-typename.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_file_content,
expected_file="no_typename.py",
extra_args=["--graphql-no-typename"],
)
def test_graphql_typename_included_by_default(output_file: Path) -> None:
"""Regression test: typename__ field is included by default."""
def assert_typename_present(output_path: Path, _: str | None, **_kwargs: object) -> None:
content = output_path.read_text(encoding="utf-8")
assert "typename__" in content, "typename__ field should be present by default"
assert "__typename" in content, "__typename alias should be present by default"
run_main_and_assert(
input_path=GRAPHQL_DATA_PATH / "no-typename.graphql",
output_path=output_file,
input_file_type="graphql",
assert_func=assert_typename_present,
expected_file=None,
)
def test_graphql_schema_features() -> None:
"""Test that GraphQLParser has schema_features property returning JsonSchemaFeatures."""
from inline_snapshot import snapshot
from datamodel_code_generator.parser.schema_version import JsonSchemaFeatures
parser = GraphQLParser(
source="type Query { id: ID }",
data_model_type=DataClass,
)
features = parser.schema_features
assert isinstance(features, JsonSchemaFeatures)
assert features == snapshot(
JsonSchemaFeatures(
null_in_type_array=True,
defs_not_definitions=True,
prefix_items=True,
boolean_schemas=True,
id_field="$id",
definitions_key="$defs",
exclusive_as_number=True,
read_only_write_only=True,
recursive_ref=True,
dynamic_ref=True,
)
)
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