Add tests for RepositoryString

Author: Dresdn

tests/test_string.py

@@ -0,0 +1,105 @@
+# coding: utf-8
+import os
+import pytest
+from decouple import Config, RepositoryString, UndefinedValueError
+
+ENVSTRING = '''
+KeyTrue=True\nKeyOne=1\nKeyYes=yes
+KeyY=y
+KeyOn=on
+
+KeyFalse=False
+KeyZero=0
+KeyNo=no
+KeyN=n
+KeyOff=off
+KeyEmpty=
+
+# CommentedKey=None
+KeyWithSpaces = Some Value With Spaces
+KeyWithQuotes="Quoted Value"
+'''
+
+
+@pytest.fixture(scope='module')
+def config():
+    return Config(RepositoryString(ENVSTRING))
+
+
+def test_string_comment(config):
+    with pytest.raises(UndefinedValueError):
+        config('CommentedKey')
+
+
+def test_string_bool_true(config):
+    assert config('KeyTrue', cast=bool)
+    assert config('KeyOne', cast=bool)
+    assert config('KeyYes', cast=bool)
+    assert config('KeyY', cast=bool)
+    assert config('KeyOn', cast=bool)
+
+
+def test_string_bool_false(config):
+    assert not config('KeyFalse', cast=bool)
+    assert not config('KeyZero', cast=bool)
+    assert not config('KeyNo', cast=bool)
+    assert not config('KeyOff', cast=bool)
+    assert not config('KeyN', cast=bool)
+    assert not config('KeyEmpty', cast=bool)
+
+
+def test_string_undefined(config):
+    with pytest.raises(UndefinedValueError):
+        config('UndefinedKey')
+
+
+def test_string_default_none(config):
+    assert config('UndefinedKey', default=None) is None
+
+
+def test_string_default_bool(config):
+    assert not config('UndefinedKey', default=False, cast=bool)
+    assert config('UndefinedKey', default=True, cast=bool)
+
+
+def test_string_default(config):
+    assert not config('UndefinedKey', default=False)
+    assert config('UndefinedKey', default=True)
+
+
+def test_string_default_invalid_bool(config):
+    with pytest.raises(ValueError):
+        config('UndefinedKey', default='NotBool', cast=bool)
+
+
+def test_string_empty(config):
+    assert config('KeyEmpty', default=None) == ''
+
+
+def test_string_support_space(config):
+    assert config('KeyWithSpaces') == 'Some Value With Spaces'
+
+
+def test_string_os_environ(config):
+    os.environ['KeyOverrideByEnv'] = 'This'
+    assert config('KeyOverrideByEnv') == 'This'
+    del os.environ['KeyOverrideByEnv']
+
+
+def test_string_undefined_but_present_in_os_environ(config):
+    os.environ['KeyOnlyEnviron'] = ''
+    assert config('KeyOnlyEnviron') == ''
+    del os.environ['KeyOnlyEnviron']
+
+
+def test_string_empty_string_means_false(config):
+    assert not config('KeyEmpty', cast=bool)
+
+
+def test_string_repo_keyerror(config):
+    with pytest.raises(KeyError):
+        config.repository['UndefinedKey']
+
+
+def test_string_quoted_value(config):
+    assert config('KeyWithQuotes') == 'Quoted Value'