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python-versions = "3.11.5" -content-hash = "b6f24d93edb443bee450e4b8200340134cc77eb2441c980e0ea264df4b23da94" +content-hash = "86bcd37946b9fb1b094176643fd15a97be576ca2a42c9c8f04cd6fe2ee7f29c5" diff --git a/pyproject.toml b/pyproject.toml index 19bbf6e4..9ca2f5a7 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -30,6 +30,8 @@ requests = "^2.28" attrs = "^23.1" pydantic = "^2.3" punq = "^0.6" +httpretty = "^1.1.4" +mimesis = "^11.1.0" [tool.poetry.group.dev.dependencies] django-debug-toolbar = "^4.2" diff --git a/setup.cfg b/setup.cfg index 34c14369..3337235e 100644 --- a/setup.cfg +++ b/setup.cfg @@ -32,14 +32,14 @@ ignore = D100, D104, D106, D401, X100, W504, RST303, RST304, DAR103, DAR203 # You can completely or partially disable our custom checks, # to do so you have to ignore `WPS` letters for all python files: per-file-ignores = - # Allow upper-case constants in classes, because it is settings: +# Allow upper-case constants in classes, because it is settings: server/common/django/types.py: WPS115 - # Allow `__init__.py` with logic for configuration: +# Allow `__init__.py` with logic for configuration: server/settings/*.py: WPS226, WPS407, WPS412, WPS432 - # Allow to have magic numbers and wrong module names inside migrations: +# Allow to have magic numbers and wrong module names inside migrations: server/*/migrations/*.py: WPS102, WPS114, WPS432 - # Tests have some more freedom: - tests/*.py: S101, WPS201, WPS202, WPS218, WPS226, WPS436, WPS442 +# Tests have some more freedom: + tests/*.py: S101, WPS201, WPS202, WPS218, WPS226, WPS436, WPS442, WPS305, WPS306, WPS118, PT011, WPS300 [isort] @@ -77,12 +77,12 @@ addopts = --strict-config --doctest-modules --fail-on-template-vars - # Output: +# Output: --tb=short - # Parallelism: - # -n auto - # --boxed - # Coverage: +# Parallelism: +# -n auto +# --boxed +# Coverage: --cov=server --cov=tests --cov-branch @@ -92,26 +92,27 @@ addopts = --cov-fail-under=0 filterwarnings = - # TODO: get rid of these warnings in our code: +# TODO: get rid of these warnings in our code: ignore::django.utils.deprecation.RemovedInDjango50Warning ignore::django.utils.deprecation.RemovedInDjango51Warning - # Some dependencies have deprecation warnings, we don't want to see them, - # but, we want to list them here: +# Some dependencies have deprecation warnings, we don't want to see them, +# but, we want to list them here: ignore::DeprecationWarning:password_reset.*: ignore::DeprecationWarning:pytest_freezegun: - +markers = + webtest: test make external api call [coverage:run] # Coverage configuration: # https://coverage.readthedocs.io/en/latest/config.html plugins = - # Docs: https://github.com/nedbat/django_coverage_plugin +# Docs: https://github.com/nedbat/django_coverage_plugin django_coverage_plugin - # Docs: https://pypi.org/project/covdefaults +# Docs: https://pypi.org/project/covdefaults covdefaults omit = - # Is not reported, because is imported during setup: +# Is not reported, because is imported during setup: server/settings/components/logging.py diff --git a/tests/test_apps/__init__.py b/tests/test_apps/__init__.py new file mode 100644 index 00000000..e69de29b diff --git a/tests/test_apps/test_pictures/__init__.py b/tests/test_apps/test_pictures/__init__.py new file mode 100644 index 00000000..e69de29b diff --git a/tests/test_apps/test_pictures/services/__init__.py b/tests/test_apps/test_pictures/services/__init__.py new file mode 100644 index 00000000..e69de29b diff --git a/tests/test_apps/test_pictures/services/conftest.py b/tests/test_apps/test_pictures/services/conftest.py new file mode 100644 index 00000000..4c4d454e --- /dev/null +++ b/tests/test_apps/test_pictures/services/conftest.py @@ -0,0 +1,85 @@ +import json +import re +from typing import Any, Iterator, cast + +import httpretty +import pytest +from mimesis import Field, Locale, Schema +from typing_extensions import TypedDict + +from server.apps.pictures.container import container +from server.apps.pictures.logic.usecases import pictures_fetch +from server.common.django.types import Settings + + +class PicturesAPIResponse(TypedDict): + """Representation of single object from pictures service api.""" + + id: int + url: str + + +@pytest.fixture() +def seed() -> int: + """Seed for generation random data.""" + return Field()('integer_number') + + +@pytest.fixture() +def pictures_expected_api_response(seed: int) -> list[PicturesAPIResponse]: + """Create fake external api response for pictures.""" + mf = Field(locale=Locale.EN, seed=seed) + schema = Schema( + schema=lambda: + { + 'id': mf('numeric.increment'), + 'url': str(mf('url')), + }, + ) + return cast(list[PicturesAPIResponse], list(schema.create())) + + +@pytest.fixture() +def api_url(settings: Settings) -> re.Pattern[str]: + """Regex of picture API url.""" + return re.compile(f'{settings.PLACEHOLDER_API_URL}.*') + + +@pytest.fixture() +def _pictures_api_mock( + api_url: re.Pattern[str], + pictures_expected_api_response: list[PicturesAPIResponse], +) -> Iterator[None]: + """Mock external `PLACEHOLDER_API_URL/*` calls.""" + with httpretty.httprettized(): + _mock_pictures_api(pictures_expected_api_response, api_url) + yield + assert httpretty.has_request() + + +@pytest.fixture() +def _pictures_api_mock_corrupted( + api_url: re.Pattern[str], +) -> Iterator[None]: + """Mock external `PLACEHOLDER_API_URL/*` calls, returns invalid data.""" + with httpretty.httprettized(): + invalid_data: list[dict[str, Any]] = [{}] + _mock_pictures_api(invalid_data, api_url) + yield + + +def _mock_pictures_api( + mocked_response: list[Any], + api_url: re.Pattern[str], +) -> None: + httpretty.register_uri( + method=httpretty.GET, + body=json.dumps(mocked_response), + uri=api_url, + ) + + +@pytest.fixture() +def pictures_service() -> pictures_fetch.PicturesFetch: + """Get pictures service.""" + return container.instantiate(pictures_fetch.PicturesFetch) diff --git a/tests/test_apps/test_pictures/services/test_pictures_fetch.py b/tests/test_apps/test_pictures/services/test_pictures_fetch.py new file mode 100644 index 00000000..4f6756ec --- /dev/null +++ b/tests/test_apps/test_pictures/services/test_pictures_fetch.py @@ -0,0 +1,54 @@ +import httpretty +import pytest +from pydantic import TypeAdapter + +from server.apps.pictures.intrastructure.services.placeholder import ( + PictureResponse, +) +from server.apps.pictures.logic.usecases import pictures_fetch + +from .conftest import PicturesAPIResponse + + +class TestPicturesFetchServiceMockedAPI: + """Test with mocked API.""" + + @pytest.mark.usefixtures('_pictures_api_mock') + def test_service_fetches_expected_pictures( + self, + pictures_expected_api_response: list[PicturesAPIResponse], + pictures_service: pictures_fetch.PicturesFetch, + ) -> None: + """Check that API call returns pictures in expected form.""" + pictures_from_service: list[PictureResponse] = pictures_service() + type_adapter = TypeAdapter(list[PictureResponse]) + deserialized_pictures_from_net: list[PictureResponse] = ( + type_adapter.validate_python(pictures_expected_api_response) + ) + + assert pictures_from_service == deserialized_pictures_from_net + assert '_limit' in httpretty.last_request().querystring + + @pytest.mark.usefixtures('_pictures_api_mock_corrupted') + def test_service_raises_value_error_on_invalid_data( + self, + pictures_service: pictures_fetch.PicturesFetch, + ) -> None: + """Check that service raises ValueError when fetched data is invalid.""" + with pytest.raises(ValueError): + pictures_service() + + +@pytest.mark.webtest() +class TestPicturesFetchServiceRealAPI: + """Test with real API.""" + + @pytest.mark.parametrize('limit', [1, 3, 5, 10, 15]) + def test_limit_query_params_limits_response_size( + self, + limit: int, + pictures_service: pictures_fetch.PicturesFetch, + ) -> None: + """Tests `limit` query param.""" + pictures = pictures_service(limit) + assert len(pictures) == limit