mirror of https://github.com/pallets/flask.git
136 lines
4.2 KiB
Python
136 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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tests.test_instance
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~~~~~~~~~~~~~~~~~~~
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:copyright: 2010 Pallets
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:license: BSD-3-Clause
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"""
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import os
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import sys
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import pytest
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import flask
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from flask._compat import PY2
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def test_explicit_instance_paths(modules_tmpdir):
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with pytest.raises(ValueError) as excinfo:
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flask.Flask(__name__, instance_path='instance')
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assert 'must be absolute' in str(excinfo.value)
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app = flask.Flask(__name__, instance_path=str(modules_tmpdir))
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assert app.instance_path == str(modules_tmpdir)
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def test_main_module_paths(modules_tmpdir, purge_module):
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app = modules_tmpdir.join('main_app.py')
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app.write('import flask\n\napp = flask.Flask("__main__")')
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purge_module('main_app')
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from main_app import app
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here = os.path.abspath(os.getcwd())
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assert app.instance_path == os.path.join(here, 'instance')
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def test_uninstalled_module_paths(modules_tmpdir, purge_module):
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app = modules_tmpdir.join('config_module_app.py').write(
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'import os\n'
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'import flask\n'
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'here = os.path.abspath(os.path.dirname(__file__))\n'
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'app = flask.Flask(__name__)\n'
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)
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purge_module('config_module_app')
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from config_module_app import app
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assert app.instance_path == str(modules_tmpdir.join('instance'))
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def test_uninstalled_package_paths(modules_tmpdir, purge_module):
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app = modules_tmpdir.mkdir('config_package_app')
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init = app.join('__init__.py')
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init.write(
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'import os\n'
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'import flask\n'
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'here = os.path.abspath(os.path.dirname(__file__))\n'
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'app = flask.Flask(__name__)\n'
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)
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purge_module('config_package_app')
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from config_package_app import app
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assert app.instance_path == str(modules_tmpdir.join('instance'))
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def test_installed_module_paths(modules_tmpdir, modules_tmpdir_prefix,
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purge_module, site_packages, limit_loader):
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site_packages.join('site_app.py').write(
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'import flask\n'
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'app = flask.Flask(__name__)\n'
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)
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purge_module('site_app')
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from site_app import app
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assert app.instance_path == \
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modules_tmpdir.join('var').join('site_app-instance')
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def test_installed_package_paths(limit_loader, modules_tmpdir,
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modules_tmpdir_prefix, purge_module,
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monkeypatch):
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installed_path = modules_tmpdir.mkdir('path')
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monkeypatch.syspath_prepend(installed_path)
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app = installed_path.mkdir('installed_package')
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init = app.join('__init__.py')
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init.write('import flask\napp = flask.Flask(__name__)')
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purge_module('installed_package')
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from installed_package import app
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assert app.instance_path == \
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modules_tmpdir.join('var').join('installed_package-instance')
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def test_prefix_package_paths(limit_loader, modules_tmpdir,
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modules_tmpdir_prefix, purge_module,
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site_packages):
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app = site_packages.mkdir('site_package')
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init = app.join('__init__.py')
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init.write('import flask\napp = flask.Flask(__name__)')
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purge_module('site_package')
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import site_package
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assert site_package.app.instance_path == \
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modules_tmpdir.join('var').join('site_package-instance')
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def test_egg_installed_paths(install_egg, modules_tmpdir,
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modules_tmpdir_prefix):
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modules_tmpdir.mkdir('site_egg').join('__init__.py').write(
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'import flask\n\napp = flask.Flask(__name__)'
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)
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install_egg('site_egg')
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try:
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import site_egg
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assert site_egg.app.instance_path == \
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str(modules_tmpdir.join('var/').join('site_egg-instance'))
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finally:
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if 'site_egg' in sys.modules:
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del sys.modules['site_egg']
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@pytest.mark.skipif(not PY2, reason='This only works under Python 2.')
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def test_meta_path_loader_without_is_package(request, modules_tmpdir):
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app = modules_tmpdir.join('unimportable.py')
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app.write('import flask\napp = flask.Flask(__name__)')
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class Loader(object):
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def find_module(self, name, path=None):
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return self
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sys.meta_path.append(Loader())
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request.addfinalizer(sys.meta_path.pop)
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with pytest.raises(AttributeError):
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import unimportable
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