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# coding: utf-8 |
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from __future__ import absolute_import, unicode_literals |
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import filecmp |
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import io |
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import os |
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import pytest |
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import shutil |
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import uuid |
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from PIL import Image |
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from django.core.files.storage import default_storage |
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from django.core.files.uploadedfile import SimpleUploadedFile |
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class UUID4Monkey(object): |
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hex = '653d1c6863404b9689b75fa930c9d0a0' |
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uuid.__dict__['uuid4'] = lambda: UUID4Monkey() |
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import django # NoQA |
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from django.conf import settings # NoQA |
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from .models import ( |
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SimpleModel, ResizeModel, AdminDeleteModel, |
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ThumbnailModel, ResizeCropModel, AutoSlugClassNameDirModel, |
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UUIDModel, |
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UtilVariationsModel, |
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ThumbnailWithoutDirectoryModel, |
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CustomRenderVariationsModel) # NoQA |
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IMG_DIR = os.path.join(settings.MEDIA_ROOT, 'img') |
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FIXTURES = [ |
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('100.gif', 'GIF', 100, 100), |
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('600x400.gif', 'GIF', 600, 400), |
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('600x400.jpg', 'JPEG', 600, 400), |
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('600x400.jpg', 'PNG', 600, 400), |
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] |
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class TestStdImage(object): |
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fixtures = {} |
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@pytest.fixture(autouse=True) |
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def setup(self): |
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for fixture_filename, img_format, width, height in FIXTURES: |
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with io.BytesIO() as f: |
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img = Image.new('RGB', (width, height), (255, 55, 255)) |
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img.save(f, format=img_format) |
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self.fixtures[fixture_filename] = SimpleUploadedFile(fixture_filename, f.getvalue()) |
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yield |
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for root, dirs, files in os.walk(settings.MEDIA_ROOT, topdown=False): |
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for name in files: |
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os.remove(os.path.join(root, name)) |
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for name in dirs: |
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os.rmdir(os.path.join(root, name)) |
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class TestModel(TestStdImage): |
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"""Tests StdImage ModelField""" |
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def test_simple(self, db): |
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"""Tests if Field behaves just like Django's ImageField.""" |
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instance = SimpleModel.objects.create(image=self.fixtures['100.gif']) |
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target_file = os.path.join(IMG_DIR, '100.gif') |
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source_file = self.fixtures['100.gif'] |
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assert SimpleModel.objects.count() == 1 |
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assert SimpleModel.objects.get(pk=1) == instance |
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assert os.path.exists(target_file) |
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with open(target_file, 'rb') as f: |
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source_file.seek(0) |
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assert source_file.read() == f.read() |
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def test_variations(self, db): |
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"""Adds image and checks filesystem as well as width and height.""" |
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instance = ResizeModel.objects.create( |
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image=self.fixtures['600x400.jpg'] |
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) |
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source_file = self.fixtures['600x400.jpg'] |
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assert os.path.exists(os.path.join(IMG_DIR, 'image.jpg')) |
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assert instance.image.width == 600 |
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assert instance.image.height == 400 |
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path = os.path.join(IMG_DIR, 'image.jpg') |
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with open(path, 'rb') as f: |
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source_file.seek(0) |
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assert source_file.read() == f.read() |
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path = os.path.join(IMG_DIR, 'image.medium.jpg') |
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assert os.path.exists(path) |
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assert instance.image.medium.width == 400 |
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assert instance.image.medium.height <= 400 |
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with open(os.path.join(IMG_DIR, 'image.medium.jpg'), 'rb') as f: |
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source_file.seek(0) |
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assert source_file.read() != f.read() |
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assert os.path.exists(os.path.join(IMG_DIR, 'image.thumbnail.jpg')) |
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assert instance.image.thumbnail.width == 100 |
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assert instance.image.thumbnail.height <= 75 |
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with open(os.path.join(IMG_DIR, 'image.thumbnail.jpg'), 'rb') as f: |
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source_file.seek(0) |
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assert source_file.read() != f.read() |
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def test_cropping(self, db): |
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instance = ResizeCropModel.objects.create( |
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image=self.fixtures['600x400.jpg'] |
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) |
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assert instance.image.thumbnail.width == 150 |
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assert instance.image.thumbnail.height == 150 |
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def test_variations_override(self, db): |
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source_file = self.fixtures['600x400.jpg'] |
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target_file = os.path.join(IMG_DIR, 'image.thumbnail.jpg') |
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os.mkdir(IMG_DIR) |
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default_storage.save(target_file, source_file) |
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ResizeModel.objects.create( |
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image=self.fixtures['600x400.jpg'] |
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) |
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thumbnail_path = os.path.join(IMG_DIR, 'image.thumbnail.jpg') |
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assert os.path.exists(thumbnail_path) |
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thumbnail_path = os.path.join(IMG_DIR, 'image.thumbnail_1.jpg') |
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assert not os.path.exists(thumbnail_path) |
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def test_delete_thumbnail(self, db): |
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"""Delete an image with thumbnail""" |
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obj = ThumbnailModel.objects.create( |
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image=self.fixtures['100.gif'] |
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) |
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obj.image.delete() |
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path = os.path.join(IMG_DIR, 'image.gif') |
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assert not os.path.exists(path) |
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path = os.path.join(IMG_DIR, 'image.thumbnail.gif') |
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assert not os.path.exists(path) |
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def test_fore_min_size(self, admin_client): |
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admin_client.post('/admin/tests/forceminsizemodel/add/', { |
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'image': self.fixtures['100.gif'], |
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}) |
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path = os.path.join(IMG_DIR, 'image.gif') |
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assert not os.path.exists(path) |
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def test_thumbnail_save_without_directory(self, db): |
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obj = ThumbnailWithoutDirectoryModel.objects.create( |
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image=self.fixtures['100.gif'] |
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) |
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obj.save() |
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# Our model saves the images directly into the MEDIA_ROOT directory |
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# not IMG_DIR, under a custom name |
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original = os.path.join(settings.MEDIA_ROOT, 'custom.gif') |
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thumbnail = os.path.join(settings.MEDIA_ROOT, 'custom.thumbnail.gif') |
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assert os.path.exists(original) |
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assert os.path.exists(thumbnail) |
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def test_custom_render_variations(self, db): |
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instance = CustomRenderVariationsModel.objects.create( |
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image=self.fixtures['600x400.jpg'] |
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) |
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# Image size must be 100x100 despite variations settings |
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assert instance.image.thumbnail.width == 100 |
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assert instance.image.thumbnail.height == 100 |
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class TestUtils(TestStdImage): |
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"""Tests Utils""" |
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def test_deletion_singnal_receiver(self, db): |
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obj = SimpleModel.objects.create( |
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image=self.fixtures['100.gif'] |
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) |
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obj.delete() |
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assert not os.path.exists(os.path.join(IMG_DIR, 'image.gif')) |
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def test_pre_save_delete_callback_clear(self, admin_client): |
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AdminDeleteModel.objects.create( |
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image=self.fixtures['100.gif'] |
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) |
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if django.VERSION >= (1, 9): |
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admin_client.post('/admin/tests/admindeletemodel/1/change/', { |
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'image-clear': 'checked', |
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}) |
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else: |
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admin_client.post('/admin/tests/admindeletemodel/1/', { |
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'image-clear': 'checked', |
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}) |
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assert not os.path.exists(os.path.join(IMG_DIR, 'image.gif')) |
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def test_pre_save_delete_callback_new(self, admin_client): |
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AdminDeleteModel.objects.create( |
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image=self.fixtures['100.gif'] |
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) |
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if django.VERSION >= (1, 9): |
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admin_client.post('/admin/tests/admindeletemodel/1/change/', { |
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'image': self.fixtures['600x400.jpg'], |
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}) |
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else: |
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admin_client.post('/admin/tests/admindeletemodel/1/', { |
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'image': self.fixtures['600x400.jpg'], |
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}) |
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assert not os.path.exists(os.path.join(IMG_DIR, 'image.gif')) |
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def test_upload_to_auto_slug_class_name_dir(self, db): |
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AutoSlugClassNameDirModel.objects.create( |
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name='foo bar', |
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image=self.fixtures['100.gif'] |
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) |
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file_path = os.path.join( |
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settings.MEDIA_ROOT, |
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'autoslugclassnamedirmodel', |
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'foo-bar.gif' |
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) |
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assert os.path.exists(file_path) |
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def test_upload_to_uuid(self, db): |
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UUIDModel.objects.create(image=self.fixtures['100.gif']) |
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file_path = os.path.join( |
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IMG_DIR, |
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'653d1c6863404b9689b75fa930c9d0a0.gif' |
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) |
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assert os.path.exists(file_path) |
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def test_render_variations_callback(self, db): |
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UtilVariationsModel.objects.create(image=self.fixtures['100.gif']) |
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file_path = os.path.join( |
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IMG_DIR, |
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'image.thumbnail.gif' |
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) |
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assert os.path.exists(file_path) |
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class TestValidators(TestStdImage): |
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def test_max_size_validator(self, admin_client): |
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admin_client.post('/admin/tests/maxsizemodel/add/', { |
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'image': self.fixtures['600x400.jpg'], |
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}) |
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assert not os.path.exists(os.path.join(IMG_DIR, 'image.jpg')) |
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def test_min_size_validator(self, admin_client): |
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admin_client.post('/admin/tests/minsizemodel/add/', { |
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'image': self.fixtures['100.gif'], |
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}) |
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assert not os.path.exists(os.path.join(IMG_DIR, 'image.gif')) |
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codingjoe /
django-stdimage
