362 lines
12 KiB
Python
362 lines
12 KiB
Python
# -*- coding: utf-8; -*-
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import os
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import shutil
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import sys
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import tempfile
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import warnings
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from unittest import TestCase
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from unittest.mock import patch, MagicMock
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import pytest
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from wuttjamaican import app
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from wuttjamaican.conf import WuttaConfig
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from wuttjamaican.util import UNSPECIFIED
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class TestAppHandler(TestCase):
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def setUp(self):
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self.config = WuttaConfig(appname='wuttatest')
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self.app = app.AppHandler(self.config)
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self.config.app = self.app
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def test_init(self):
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self.assertIs(self.app.config, self.config)
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self.assertEqual(self.app.handlers, {})
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self.assertEqual(self.app.appname, 'wuttatest')
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def test_load_object(self):
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# just confirm the method works on a basic level; the
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# underlying function is tested elsewhere
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obj = self.app.load_object('wuttjamaican.util:UNSPECIFIED')
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self.assertIs(obj, UNSPECIFIED)
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def test_make_appdir(self):
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# appdir is created, and 3 subfolders added by default
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tempdir = tempfile.mkdtemp()
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appdir = os.path.join(tempdir, 'app')
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self.assertFalse(os.path.exists(appdir))
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self.app.make_appdir(appdir)
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self.assertTrue(os.path.exists(appdir))
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self.assertEqual(len(os.listdir(appdir)), 3)
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shutil.rmtree(tempdir)
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# subfolders still added if appdir already exists
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tempdir = tempfile.mkdtemp()
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self.assertTrue(os.path.exists(tempdir))
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self.assertEqual(len(os.listdir(tempdir)), 0)
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self.app.make_appdir(tempdir)
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self.assertEqual(len(os.listdir(tempdir)), 3)
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shutil.rmtree(tempdir)
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def test_make_session(self):
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try:
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from wuttjamaican import db
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except ImportError:
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pytest.skip("test is not relevant without sqlalchemy")
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session = self.app.make_session()
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self.assertIsInstance(session, db.Session.class_)
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def test_short_session(self):
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short_session = MagicMock()
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mockdb = MagicMock(short_session=short_session)
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with patch.dict('sys.modules', **{'wuttjamaican.db': mockdb}):
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with self.app.short_session(foo='bar') as s:
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short_session.assert_called_once_with(
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foo='bar', factory=self.app.make_session)
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def test_get_setting(self):
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try:
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import sqlalchemy as sa
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from sqlalchemy import orm
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except ImportError:
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pytest.skip("test is not relevant without sqlalchemy")
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Session = orm.sessionmaker()
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engine = sa.create_engine('sqlite://')
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session = Session(bind=engine)
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session.execute(sa.text("""
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create table setting (
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name varchar(255) primary key,
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value text
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);
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"""))
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session.commit()
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value = self.app.get_setting(session, 'foo')
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self.assertIsNone(value)
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session.execute(sa.text("insert into setting values ('foo', 'bar');"))
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value = self.app.get_setting(session, 'foo')
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self.assertEqual(value, 'bar')
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def test_model(self):
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try:
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from wuttjamaican.db import model
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except ImportError:
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pytest.skip("test not relevant without sqlalchemy")
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self.assertNotIn('model', self.app.__dict__)
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self.assertIs(self.app.model, model)
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def test_get_model(self):
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try:
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from wuttjamaican.db import model
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except ImportError:
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pytest.skip("test not relevant without sqlalchemy")
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self.assertIs(self.app.get_model(), model)
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def test_get_title(self):
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self.assertEqual(self.app.get_title(), 'WuttJamaican')
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def test_get_distribution(self):
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try:
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from sqlalchemy.orm import Query
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except ImportError:
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pytest.skip("test is not relevant without sqlalchemy")
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# works with "non-native" objects
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query = Query({})
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dist = self.app.get_distribution(query)
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self.assertEqual(dist, 'SQLAlchemy')
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# can override dist via config
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self.config.setdefault('wuttatest.app_dist', 'importlib_metadata')
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dist = self.app.get_distribution()
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self.assertEqual(dist, 'importlib_metadata')
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# but the provided object takes precedence
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dist = self.app.get_distribution(query)
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self.assertEqual(dist, 'SQLAlchemy')
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def test_get_distribution_pre_python_3_10(self):
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# the goal here is to get coverage for code which would only
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# run on python 3,9 and older, but we only need that coverage
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# if we are currently testing python 3.10+
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if sys.version_info.major == 3 and sys.version_info.minor < 10:
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pytest.skip("this test is not relevant before python 3.10")
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importlib_metadata = MagicMock()
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importlib_metadata.packages_distributions = MagicMock(
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return_value={
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'wuttjamaican': ['WuttJamaican'],
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'config': ['python-configuration'],
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})
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orig_import = __import__
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def mock_import(name, *args, **kwargs):
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if name == 'importlib.metadata':
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raise ImportError
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if name == 'importlib_metadata':
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return importlib_metadata
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return orig_import(name, *args, **kwargs)
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with patch('builtins.__import__', side_effect=mock_import):
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# default should always be WuttJamaican (right..?)
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dist = self.app.get_distribution()
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self.assertEqual(dist, 'WuttJamaican')
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# also works with "non-native" objects
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from config import Configuration
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config = Configuration({})
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dist = self.app.get_distribution(config)
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self.assertEqual(dist, 'python-configuration')
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# hacky sort of test, just in case we can't deduce the
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# package dist based on the obj - easy enough since we
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# have limited the packages_distributions() above
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dist = self.app.get_distribution(42)
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self.assertIsNone(dist)
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# can override dist via config
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self.config.setdefault('wuttatest.app_dist', 'importlib_metadata')
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dist = self.app.get_distribution()
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self.assertEqual(dist, 'importlib_metadata')
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# but the provided object takes precedence
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dist = self.app.get_distribution(config)
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self.assertEqual(dist, 'python-configuration')
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# hacky test again, this time config override should win
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dist = self.app.get_distribution(42)
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self.assertEqual(dist, 'importlib_metadata')
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def test_get_version(self):
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from importlib.metadata import version
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try:
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from sqlalchemy.orm import Query
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except ImportError:
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pytest.skip("test is not relevant without sqlalchemy")
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# works with "non-native" objects
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query = Query({})
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ver = self.app.get_version(obj=query)
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self.assertEqual(ver, version('SQLAlchemy'))
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# can override dist via config
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self.config.setdefault('wuttatest.app_dist', 'python-configuration')
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ver = self.app.get_version()
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self.assertEqual(ver, version('python-configuration'))
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# but the provided object takes precedence
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ver = self.app.get_version(obj=query)
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self.assertEqual(ver, version('SQLAlchemy'))
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# can also specify the dist
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ver = self.app.get_version(dist='passlib')
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self.assertEqual(ver, version('passlib'))
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def test_make_title(self):
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text = self.app.make_title('foo_bar')
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self.assertEqual(text, "Foo Bar")
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def test_make_uuid(self):
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uuid = self.app.make_uuid()
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self.assertEqual(len(uuid), 32)
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def test_get_session(self):
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try:
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import sqlalchemy as sa
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from sqlalchemy import orm
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except ImportError:
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pytest.skip("test not relevant without sqlalchemy")
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model = self.app.model
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user = model.User()
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self.assertIsNone(self.app.get_session(user))
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Session = orm.sessionmaker()
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engine = sa.create_engine('sqlite://')
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mysession = Session(bind=engine)
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mysession.add(user)
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session = self.app.get_session(user)
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self.assertIs(session, mysession)
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def test_get_person(self):
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people = self.app.get_people_handler()
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with patch.object(people, 'get_person') as get_person:
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get_person.return_value = 'foo'
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person = self.app.get_person('bar')
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get_person.assert_called_once_with('bar')
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self.assertEqual(person, 'foo')
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def test_get_auth_handler(self):
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from wuttjamaican.auth import AuthHandler
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auth = self.app.get_auth_handler()
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self.assertIsInstance(auth, AuthHandler)
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def test_get_people_handler(self):
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from wuttjamaican.people import PeopleHandler
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people = self.app.get_people_handler()
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self.assertIsInstance(people, PeopleHandler)
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class TestAppProvider(TestCase):
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def setUp(self):
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self.config = WuttaConfig(appname='wuttatest')
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self.app = app.AppHandler(self.config)
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self.config._app = self.app
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def test_constructor(self):
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# config object is expected
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provider = app.AppProvider(self.config)
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self.assertIs(provider.config, self.config)
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self.assertIs(provider.app, self.app)
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self.assertEqual(provider.appname, 'wuttatest')
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# but can pass app handler instead
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with warnings.catch_warnings():
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warnings.filterwarnings('ignore', category=DeprecationWarning)
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provider = app.AppProvider(self.app)
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self.assertIs(provider.config, self.config)
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self.assertIs(provider.app, self.app)
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def test_get_all_providers(self):
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class FakeProvider(app.AppProvider):
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pass
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# nb. we specify *classes* here
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fake_providers = {'fake': FakeProvider}
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with patch('wuttjamaican.app.load_entry_points') as load_entry_points:
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load_entry_points.return_value = fake_providers
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# sanity check, we get *instances* back from this
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providers = self.app.get_all_providers()
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load_entry_points.assert_called_once_with('wutta.app.providers')
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self.assertEqual(len(providers), 1)
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self.assertIn('fake', providers)
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self.assertIsInstance(providers['fake'], FakeProvider)
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def test_hasattr(self):
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class FakeProvider(app.AppProvider):
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def fake_foo(self):
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pass
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self.app.providers = {'fake': FakeProvider(self.config)}
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self.assertTrue(hasattr(self.app, 'fake_foo'))
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self.assertFalse(hasattr(self.app, 'fake_method_does_not_exist'))
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def test_getattr(self):
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class FakeProvider(app.AppProvider):
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def fake_foo(self):
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return 42
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# nb. using instances here
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fake_providers = {'fake': FakeProvider(self.config)}
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with patch.object(self.app, 'get_all_providers') as get_all_providers:
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get_all_providers.return_value = fake_providers
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self.assertNotIn('providers', self.app.__dict__)
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self.assertIs(self.app.providers, fake_providers)
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get_all_providers.assert_called_once_with()
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def test_getattr_providers(self):
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# collection of providers is loaded on demand
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self.assertNotIn('providers', self.app.__dict__)
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self.assertIsNotNone(self.app.providers)
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# custom attr does not exist yet
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self.assertRaises(AttributeError, getattr, self.app, 'foo_value')
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# but provider can supply the attr
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self.app.providers['mytest'] = MagicMock(foo_value='bar')
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self.assertEqual(self.app.foo_value, 'bar')
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class TestGenericHandler(TestCase):
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def setUp(self):
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self.config = WuttaConfig(appname='wuttatest')
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self.app = app.AppHandler(self.config)
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self.config._app = self.app
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def test_constructor(self):
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handler = app.GenericHandler(self.config)
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self.assertIs(handler.config, self.config)
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self.assertIs(handler.app, self.app)
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self.assertEqual(handler.appname, 'wuttatest')
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