def test_edit_preclude_already_in_prereq(self):
'''
Tests editing preclusion on a module to precludes which already
exists as a prerequisite to that module.
Note: this test case should fail to edit.
'''
if not self.edit_preclude_non_existent_tested:
model.add_prerequisite(self.test_module_code,
self.test_preclude_code, 0)
preclude_units_to_change_to = [self.test_preclude_code]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_false(outcome[0])
error_list = outcome[1]
assert_equal(len(error_list), 1)
assert_equal(error_list[0], [
self.test_preclude_code,
self.ERROR_MSG_MODULE_PRECLUSION_ALREADY_PREREQ
])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_true(len(preclude_info) == 0)
model.delete_all_prerequisites(self.test_module_code)
prereq_info = model.get_prerequisite(self.test_module_code)
assert_true(len(prereq_info) == 0)
def test_edit_preclude_duplicate_modules(self):
'''
Tests editing preclusion on a module to precludes with duplicates,
note: this test case should fail to edit.
'''
if not self.edit_preclude_duplicate_tested:
model.add_preclusion(self.test_module_code,
self.test_preclude_code)
preclude_units_to_change_to = [
self.test_preclude2_code, self.test_preclude2_code
]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_false(outcome[0])
error_list = outcome[1]
assert_equal(len(error_list), 1)
assert_equal(
error_list[0],
[self.test_preclude2_code, self.ERROR_MSG_MODULE_DUPLICATED])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_equal(self.test_preclude_code, preclude_info[0][0])
model.delete_all_preclusions(self.test_module_code)
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(len(preclude_info) == 0)
def test_preclude_to_multiple_preclude(self):
'''
Tests editing preclusion on a module to multiple preclude.
'''
if not self.preclude_to_multiple_preclude_tested:
model.add_preclusion(self.test_module_code,
self.test_preclude_code)
preclude_units_to_change_to = [
self.test_preclude_code, self.test_preclude2_code,
self.test_preclude3_code
]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_true(outcome[0])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_equal(len(preclude_info), 3)
assert_equal(self.test_preclude_code, preclude_info[0][0])
assert_equal(self.test_preclude2_code, preclude_info[1][0])
assert_equal(self.test_preclude3_code, preclude_info[2][0])
model.delete_all_preclusions(self.test_module_code)
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(len(preclude_info) == 0)
return
def test_no_preclude_to_no_preclude(self):
'''
Tests editing preclusion on a module originally with no preclude
to no preclude.
'''
if not self.no_preclude_to_no_preclude_tested:
preclude_units_to_change_to = []
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_true(outcome[0])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_true(len(preclude_info) == 0)
return
def POST(self):
'''
Handles the submission of updated module preclusions
for a target module.
'''
isSucessfullyUpdated = False
input_data = model.validate_input(web.input(), ["code"], show_404=False)
if input_data:
module_code = input_data.code.upper()
preclusions = json.loads(input_data.preclusions)
isSucessfullyUpdated = model.edit_preclusion(module_code, preclusions)
new_preclusions = model.get_preclusion_as_string(module_code)
response = [isSucessfullyUpdated, new_preclusions]
return json.dumps(response)
def test_edit_preclude_multiple_errors(self):
'''
Tests editing preclusion on a module to precludes with multiple
errors.
Note: this test case should fail to edit.
'''
if not self.edit_preclude_multiple_errors_tested:
model.add_preclusion(self.test_module_code,
self.test_preclude_code)
preclude_units_to_change_to = [
self.test_module_code, self.test_invalid_module_code
]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_false(outcome[0])
error_list = outcome[1]
assert_equal(len(error_list), 2)
assert_equal(error_list[0], [
self.test_module_code, self.ERROR_MSG_MODULE_CANNOT_BE_ITSELF
])
assert_equal(error_list[1], [
self.test_invalid_module_code,
self.ERROR_MSG_MODULE_DOESNT_EXIST
])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_equal(self.test_preclude_code, preclude_info[0][0])
model.delete_all_preclusions(self.test_module_code)
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(len(preclude_info) == 0)
def test_edit_preclude_non_existent_modules(self):
'''
Tests editing preclusion on a module to precludes which does
not exist, note: this test case should fail to edit.
'''
if not self.edit_preclude_non_existent_tested:
model.add_preclusion(self.test_module_code,
self.test_preclude_code)
preclude_units_to_change_to = [
self.test_preclude2_code, self.test_invalid_module_code
]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_false(outcome[0])
error_list = outcome[1]
assert_equal(len(error_list), 1)
assert_equal(error_list[0], [
self.test_invalid_module_code,
self.ERROR_MSG_MODULE_DOESNT_EXIST
])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_equal(self.test_preclude_code, preclude_info[0][0])
model.delete_all_preclusions(self.test_module_code)
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(len(preclude_info) == 0)
# Test another form
model.add_preclusion(self.test_module_code,
self.test_preclude_code)
preclude_units_to_change_to = [
self.test_invalid_module_code, self.test_preclude2_code
]
outcome = model.edit_preclusion(self.test_module_code,
preclude_units_to_change_to)
assert_false(outcome[0])
error_list = outcome[1]
assert_equal(len(error_list), 1)
assert_equal(error_list[0], [
self.test_invalid_module_code,
self.ERROR_MSG_MODULE_DOESNT_EXIST
])
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(preclude_info is not None)
assert_equal(self.test_preclude_code, preclude_info[0][0])
model.delete_all_preclusions(self.test_module_code)
preclude_info = model.get_preclusion(self.test_module_code)
assert_true(len(preclude_info) == 0)
return