def test_get_parameter_fetches_default_when_no_parameter_and_default_specified(
self):
with current_app.test_request_context(
'/whatever?the_parameter=the_value'):
fetched_value = tu._get_parameter('mike_ptyson',
default='john_abercrombie')
assert fetched_value == 'john_abercrombie'
def test_get_parameter_fetches_parameter_when_all_is_well(self):
with current_app.test_request_context(
'/whatever?the_parameter=the_value'):
from flask import request # I know, crazy, but you need to import request here, not at the top of the module
assert 'the_parameter' in request.args
fetched_value = tu._get_parameter('the_parameter')
assert fetched_value == 'the_value'
def test_get_parameter_returns_none_when_cast_fails_and_no_default_and_no_raise_value_error(
self):
with current_app.test_request_context(
'/whatever?the_parameter=baloney'):
fetched_value = tu._get_parameter('the_parameter',
cast_function=int)
assert fetched_value == None
def test_get_parameter_raises_valueerror_when_cast_fails_and_default_specified_and_raise_value_error_requested(
self):
with current_app.test_request_context(
'/whatever?the_parameter=baloney'):
with pytest.raises(ValueError) as exception_info:
fetched_value = tu._get_parameter('the_parameter',
default='monkey_chow',
cast_function=int,
raise_value_error=True)
assert 'problem casting parameter the_parameter (value baloney) as type int' in str(
exception_info.value)
def test_get_parameter_can_cast_a_value_to_int(self):
with current_app.test_request_context('/whatever?the_parameter=66'):
fetched_value = tu._get_parameter('the_parameter',
cast_function=int)
assert type(fetched_value).__name__ == 'int'
assert fetched_value == 66
def test_get_parameter_returns_string_by_default(self):
with current_app.test_request_context('/whatever?the_parameter=66'):
fetched_value = tu._get_parameter('the_parameter')
assert type(fetched_value).__name__ == 'unicode'
assert fetched_value == '66'
def test_get_parameter_fetches_None_when_no_parameter_and_no_default(self):
with current_app.test_request_context(
'/whatever?the_parameter=the_value'):
fetched_value = tu._get_parameter('mike_ptyson')
assert fetched_value == None
def test_get_parameter_returns_default_when_cast_fails_and_default_specified_and_no_raise_value_error(self):
with current_app.test_request_context('/whatever?the_parameter=baloney'):
fetched_value = tu._get_parameter('the_parameter', default='monkey_chow', cast_function=int)
assert fetched_value == 'monkey_chow'
def test_get_parameter_raises_valueerror_when_cast_fails_and_default_specified_and_raise_value_error_requested(self):
with current_app.test_request_context('/whatever?the_parameter=baloney'):
with pytest.raises(ValueError) as exception_info:
fetched_value = tu._get_parameter('the_parameter', default='monkey_chow', cast_function=int, raise_value_error=True)
assert 'problem casting parameter the_parameter (value baloney) as type int' in str(exception_info.value)
def test_get_parameter_can_cast_a_value_to_int(self):
with current_app.test_request_context('/whatever?the_parameter=66'):
fetched_value = tu._get_parameter('the_parameter', cast_function=int)
assert type(fetched_value).__name__ == 'int'
assert fetched_value == 66
def test_get_parameter_returns_string_by_default(self):
with current_app.test_request_context('/whatever?the_parameter=66'):
fetched_value = tu._get_parameter('the_parameter')
assert type(fetched_value).__name__ == 'unicode'
assert fetched_value == '66'
def test_get_parameter_fetches_default_when_no_parameter_and_default_specified(self):
with current_app.test_request_context('/whatever?the_parameter=the_value'):
fetched_value = tu._get_parameter('mike_ptyson', default='john_abercrombie')
assert fetched_value == 'john_abercrombie'
def test_get_parameter_fetches_None_when_no_parameter_and_no_default(self):
with current_app.test_request_context('/whatever?the_parameter=the_value'):
fetched_value = tu._get_parameter('mike_ptyson')
assert fetched_value == None
def test_get_parameter_fetches_parameter_when_all_is_well(self):
with current_app.test_request_context('/whatever?the_parameter=the_value'):
from flask import request # I know, crazy, but you need to import request here, not at the top of the module
assert 'the_parameter' in request.args
fetched_value = tu._get_parameter('the_parameter')
assert fetched_value == 'the_value'
