def test_undefine_with_defaultvalue():
default = 'hi'
v = Value(KEY, default=default)
v.value = 'x'
assert v.value == 'x'
v.value = None
assert v.value == default
class TestConf(GoodConf):
"Configuration for My App"
a = Value(help=help_, default=5)
b = Value()
def test_required_no_value():
v = Value(KEY)
with pytest.raises(RequiredValueMissing):
v.value = None
def test_initial_bad():
with pytest.raises(ValueError):
Value(KEY, initial='x')
def test_no_initial():
v = Value(KEY)
assert v.initial == ''
def test_explicit_cast():
v = Value(KEY, cast_as=bool)
assert v.cast_as == bool
def test_initial():
v = Value(KEY, initial=lambda: 'x')
assert v.initial == 'x'
class BadConf(GoodConf):
a = Value(key='not_a')
class MyConf(GoodConf):
a = Value()
b = Value(default='fish')
class ParentConf(GoodConf):
a = Value()
class ChildConf(ParentConf):
b = Value()
class TestConf(GoodConf):
a = Value()
class TestConf(GoodConf):
a = Value(default=False)
class TestConf(GoodConf):
a = Value(help=help_, default=5)
b = Value()
def test_default_cast():
"""Default cast is str"""
v = Value(KEY)
assert v.cast_as == str
class TestConf(GoodConf):
a = Value(default='')
c = Value(default=4)
def test_default_callable():
v = Value(KEY, default=lambda: 's')
assert v.value == 's'
class TestConf(GoodConf):
a = Value(initial=lambda: True)
b = Value(default=False)
def test_cast_bool():
v = Value(KEY, cast_as=bool)
with env_var(KEY, 'true'):
assert v.value is True
with env_var(KEY, 'false'):
assert v.value is False
class TestConf(GoodConf):
a = Value(initial=lambda: True)
def test_default_not_required():
"""Values with a default are not required"""
v = Value(KEY, default='s')
assert v.required is False
class TestConf(GoodConf):
"Configuration for My App"
a = Value(help="this is a")
b = Value()
def test_initial_default():
v = Value(KEY, default='x')
assert v.initial == 'x'
class MyConf(GoodConf):
a = Value()
c = Value()
b = Value()
def test_defined_value():
v = Value(KEY)
v.value = 'x'
assert v.value == 'x'
def test_no_default_required():
"""Values with a default are not required"""
v = Value(KEY)
assert v.required is True
def test_env_var_precedence():
v = Value(KEY)
with env_var(KEY, 'y'):
v.value = 'x'
assert v.value == 'y'
def test_infer_cast():
"""If not provided, cast is type of default"""
v = Value(KEY, default=5)
assert v.cast_as == int
def test_cast_list():
v = Value(KEY, cast_as=list)
with env_var(KEY, 'a,b,c'):
assert v.value == ['a', 'b', 'c']
class TestConf(GoodConf):
a = Value(help="this is a")