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test_environ_maiden.py
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test_environ_maiden.py
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#!/usr/bin/env python
import unittest
from mock import patch
from environ_maiden import Environment
class EnvironmentTestCase(unittest.TestCase):
def setUp(self):
self.environ_patcher = patch('environm.os.environ', dict())
self.environ = self.environ_patcher.start()
def tearDown(self):
self.environ_patcher.stop()
def test_items_come_from_environ(self):
self.environ['KEY'] = 'value'
self.assertEqual(Environment().environ, {'KEY': 'value'})
def test_repr(self):
self.assertEqual(repr(Environment()), '<Environment: {}>')
def test_get_ignores_prefix(self):
self.environ['KEY'] = 'value'
self.assertEqual(Environment().get('KEY'), 'value')
def test_get_adds_prefix(self):
self.environ['PREFIX_KEY'] = 'value'
self.assertEqual(Environment(prefix='PREFIX').get('KEY'), 'value')
def test_bool_true(self):
for value in [1, '1', 'true', 't', 'True', 'TRUE']:
self.environ['KEY'] = value
self.assertTrue(Environment().bool('KEY'), '{0} is not True'.format(value))
def test_bool_false(self):
for value in [0, '0', 'false', 'f', 'False', 'FALSE']:
self.environ['KEY'] = value
self.assertFalse(Environment().bool('KEY'), '{0} is not False'.format(value))
def test_bool_invalid(self):
self.environ['KEY'] = 'not-valid'
self.assertRaises(ValueError, Environment().bool, 'KEY')
def test_int_valid(self):
self.environ['KEY'] = '1'
self.assertEqual(Environment().int('KEY'), 1)
def test_int_invalid(self):
self.environ['KEY'] = 'not-valid'
self.assertRaises(ValueError, Environment().int, 'KEY')
def test_list_with_already_a_list(self):
self.environ['KEY'] = [1, 2]
self.assertEqual(Environment().list('KEY'), [1, 2])
def test_list_splits_by_comma(self):
self.environ['KEY'] = '1,2'
self.assertEqual(Environment().list('KEY'), ['1', '2'])
def test_list_trims_white_space(self):
self.environ['KEY'] = '1, 2'
self.assertEqual(Environment().list('KEY'), ['1', '2'])
def test_list_with_corce(self):
self.environ['KEY'] = '1,2'
self.assertEqual(Environment().list('KEY', modifier=int), [1, 2])