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feat: add decorator for writing component tests (#1008)

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* feat: add decorator for writing component tests

* refactor: udpate changelog + update deps pins

* refactor: fix deps

* refactor: make cached_ref into generic and fix linter errors

* refactor: fix coverage testing

* refactor: use global var instead of env var for is_testing state
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Juro Oravec 2025-03-02 19:46:12 +01:00 • committed by GitHub
parent 81ac59f7fb
commit 7dfcb447c4
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62 changed files with 4428 additions and 3661 deletions
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64
tests/test_settings.py
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@ -1,38 +1,66 @@
import re
from pathlib import Path
import pytest
from django.test import override_settings
from django_components import ComponentsSettings
from django_components.app_settings import app_settings
from django_components.app_settings import ComponentsSettings, app_settings
from .django_test_setup import setup_test_config
from .testutils import BaseTestCase
from django_components.testing import djc_test
from .testutils import setup_test_config
setup_test_config(components={"autodiscover": False})
class SettingsTestCase(BaseTestCase):
@override_settings(COMPONENTS={"context_behavior": "isolated"})
@djc_test
class TestSettings:
@djc_test(
components_settings={
"context_behavior": "isolated",
},
)
def test_valid_context_behavior(self):
self.assertEqual(app_settings.CONTEXT_BEHAVIOR, "isolated")
assert app_settings.CONTEXT_BEHAVIOR == "isolated"
@override_settings(COMPONENTS={"context_behavior": "invalid_value"})
# NOTE: Since the part that we want to test here is otherwise part of the test setup
# this test places the `override_settings` and `_load_settings` (which is called by `djc_test`)
# inside the test.
def test_raises_on_invalid_context_behavior(self):
with self.assertRaises(ValueError):
app_settings.CONTEXT_BEHAVIOR
with override_settings(COMPONENTS={"context_behavior": "invalid_value"}):
with pytest.raises(
ValueError,
match=re.escape("Invalid context behavior: invalid_value. Valid options are ['django', 'isolated']"),
):
app_settings._load_settings()
@override_settings(BASE_DIR="base_dir")
@djc_test(
django_settings={
"BASE_DIR": "base_dir",
},
)
def test_works_when_base_dir_is_string(self):
self.assertEqual(app_settings.DIRS, [Path("base_dir/components")])
assert app_settings.DIRS == [Path("base_dir/components")]
@override_settings(BASE_DIR=Path("base_dir"))
@djc_test(
django_settings={
"BASE_DIR": Path("base_dir"),
},
)
def test_works_when_base_dir_is_path(self):
self.assertEqual(app_settings.DIRS, [Path("base_dir/components")])
assert app_settings.DIRS == [Path("base_dir/components")]
@override_settings(COMPONENTS={"context_behavior": "isolated"})
@djc_test(
components_settings={
"context_behavior": "isolated",
},
)
def test_settings_as_dict(self):
self.assertEqual(app_settings.CONTEXT_BEHAVIOR, "isolated")
assert app_settings.CONTEXT_BEHAVIOR == "isolated"
@override_settings(COMPONENTS=ComponentsSettings(context_behavior="isolated"))
# NOTE: Since the part that we want to test here is otherwise part of the test setup
# this test places the `override_settings` and `_load_settings` (which is called by `djc_test`)
# inside the test.
def test_settings_as_instance(self):
self.assertEqual(app_settings.CONTEXT_BEHAVIOR, "isolated")
with override_settings(COMPONENTS=ComponentsSettings(context_behavior="isolated")):
app_settings._load_settings()
assert app_settings.CONTEXT_BEHAVIOR == "isolated"