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from pathlib import Path
from unittest import TestCase
from utils import settings_context
from moderngl_window.exceptions import ImproperlyConfigured
from moderngl_window.finders import data, program, scene, texture
from moderngl_window.finders.base import BaseFilesystemFinder
class FinderTestCase(TestCase):
root = Path(__file__).parent / 'fixtures' / 'resources'
finder_settings = {
'DATA_DIRS': [Path(root, 'data')],
'PROGRAM_DIRS': [Path(root, 'programs')],
'TEXTURE_DIRS': [Path(root, 'textures')],
'SCENE_DIRS': [Path(root, 'scenes')],
}
def test_data_finder(self):
"""Find a data file"""
with settings_context(self.finder_settings):
result = data.FilesystemFinder().find(Path('data.json'))
self.assertIsInstance(result, Path)
self.assertTrue(result.name, 'data.json')
def test_program_finder(self):
"""Find a glsl file"""
with settings_context(self.finder_settings):
result = program.FilesystemFinder().find(Path('test.glsl'))
self.assertIsInstance(result, Path)
self.assertTrue(result.name, 'test.glsl')
def test_texture_finder(self):
"""Find a texture"""
with settings_context(self.finder_settings):
result = texture.FilesystemFinder().find(Path('image.png'))
self.assertIsInstance(result, Path)
self.assertTrue(result.name, 'image.png')
def test_scene_finder(self):
"""Find a scene"""
with settings_context(self.finder_settings):
result = scene.FilesystemFinder().find(Path('model.obj'))
self.assertIsInstance(result, Path)
self.assertTrue(result.name, 'model.obj')
def test_relative_path_raises_exception(self):
with settings_context({'DATA_DIRS': ['relative_location']}):
with self.assertRaises(ImproperlyConfigured):
data.FilesystemFinder().find(Path('something'))
def test_absolute_path(self):
"""Ensure absolute paths are ignored"""
with settings_context(self.finder_settings):
finder = data.FilesystemFinder()
result = finder.find(Path(self.root, Path('data/data.json')))
self.assertIsNone(result)
def test_not_found(self):
"""Ensure finder returns non when nothing was found"""
finder = data.FilesystemFinder()
result = finder.find(Path(self.root, Path('data/idontexist.json')))
self.assertIsNone(result)
def test_no_search_dirs(self):
"""When no search dirs the finder should return None"""
with settings_context({'DATA_DIRS': []}):
finder = data.FilesystemFinder()
result = finder.find(Path('data/data.json'))
self.assertIsNone(result)
def test_non_path(self):
"""Raise ValueError if finder gets non-Path instance"""
finder = data.FilesystemFinder()
with self.assertRaises(ValueError):
finder.find('test')
def test_custom_finder_missing_setting(self):
"""Ensure broken finder with nonexisting settings attr is detected"""
class BrokenFinder(BaseFilesystemFinder):
settings_attr = "NOPE"
with self.assertRaises(ImproperlyConfigured):
BrokenFinder()
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