Files
edx-platform/common/lib/xmodule/xmodule/tests/test_xml_module.py
2013-05-30 14:13:10 -04:00

174 lines
8.2 KiB
Python

# disable missing docstring
#pylint: disable=C0111
from xmodule.x_module import XModuleFields
from xblock.core import Scope, String, Object, Boolean
from xmodule.fields import Date, StringyInteger, StringyFloat
from xmodule.xml_module import XmlDescriptor
import unittest
from .import test_system
from mock import Mock
class CrazyJsonString(String):
def to_json(self, value):
return value + " JSON"
class TestFields(object):
# Will be returned by editable_metadata_fields.
max_attempts = StringyInteger(scope=Scope.settings, default=1000, values={'min': 1, 'max': 10})
# Will not be returned by editable_metadata_fields because filtered out by non_editable_metadata_fields.
due = Date(scope=Scope.settings)
# Will not be returned by editable_metadata_fields because is not Scope.settings.
student_answers = Object(scope=Scope.user_state)
# Will be returned, and can override the inherited value from XModule.
display_name = String(scope=Scope.settings, default='local default', display_name='Local Display Name',
help='local help')
# Used for testing select type, effect of to_json method
string_select = CrazyJsonString(
scope=Scope.settings,
default='default value',
values=[{'display_name': 'first', 'value': 'value a'},
{'display_name': 'second', 'value': 'value b'}]
)
# Used for testing select type
float_select = StringyFloat(scope=Scope.settings, default=.999, values=[1.23, 0.98])
# Used for testing float type
float_non_select = StringyFloat(scope=Scope.settings, default=.999, values={'min': 0, 'step': .3})
# Used for testing that Booleans get mapped to select type
boolean_select = Boolean(scope=Scope.settings)
class EditableMetadataFieldsTest(unittest.TestCase):
def test_display_name_field(self):
editable_fields = self.get_xml_editable_fields({})
# Tests that the xblock fields (currently tags and name) get filtered out.
# Also tests that xml_attributes is filtered out of XmlDescriptor.
self.assertEqual(1, len(editable_fields), "Expected only 1 editable field for xml descriptor.")
self.assert_field_values(
editable_fields, 'display_name', XModuleFields.display_name,
explicitly_set=False, inheritable=False, value=None, default_value=None
)
def test_override_default(self):
# Tests that explicitly_set is correct when a value overrides the default (not inheritable).
editable_fields = self.get_xml_editable_fields({'display_name': 'foo'})
self.assert_field_values(
editable_fields, 'display_name', XModuleFields.display_name,
explicitly_set=True, inheritable=False, value='foo', default_value=None
)
def test_integer_field(self):
descriptor = self.get_descriptor({'max_attempts': '7'})
editable_fields = descriptor.editable_metadata_fields
self.assertEqual(6, len(editable_fields))
self.assert_field_values(
editable_fields, 'max_attempts', TestFields.max_attempts,
explicitly_set=True, inheritable=False, value=7, default_value=1000, type='Integer',
options=TestFields.max_attempts.values
)
self.assert_field_values(
editable_fields, 'display_name', TestFields.display_name,
explicitly_set=False, inheritable=False, value='local default', default_value='local default'
)
editable_fields = self.get_descriptor({}).editable_metadata_fields
self.assert_field_values(
editable_fields, 'max_attempts', TestFields.max_attempts,
explicitly_set=False, inheritable=False, value=1000, default_value=1000, type='Integer',
options=TestFields.max_attempts.values
)
def test_inherited_field(self):
model_val = {'display_name': 'inherited'}
descriptor = self.get_descriptor(model_val)
# Mimic an inherited value for display_name (inherited and inheritable are the same in this case).
descriptor._inherited_metadata = model_val
descriptor._inheritable_metadata = model_val
editable_fields = descriptor.editable_metadata_fields
self.assert_field_values(
editable_fields, 'display_name', TestFields.display_name,
explicitly_set=False, inheritable=True, value='inherited', default_value='inherited'
)
descriptor = self.get_descriptor({'display_name': 'explicit'})
# Mimic the case where display_name WOULD have been inherited, except we explicitly set it.
descriptor._inheritable_metadata = {'display_name': 'inheritable value'}
descriptor._inherited_metadata = {}
editable_fields = descriptor.editable_metadata_fields
self.assert_field_values(
editable_fields, 'display_name', TestFields.display_name,
explicitly_set=True, inheritable=True, value='explicit', default_value='inheritable value'
)
def test_type_and_options(self):
# test_display_name_field verifies that a String field is of type "Generic".
# test_integer_field verifies that a StringyInteger field is of type "Integer".
descriptor = self.get_descriptor({})
editable_fields = descriptor.editable_metadata_fields
# Tests for select
self.assert_field_values(
editable_fields, 'string_select', TestFields.string_select,
explicitly_set=False, inheritable=False, value='default value', default_value='default value',
type='Select', options=[{'display_name': 'first', 'value': 'value a JSON'},
{'display_name': 'second', 'value': 'value b JSON'}]
)
self.assert_field_values(
editable_fields, 'float_select', TestFields.float_select,
explicitly_set=False, inheritable=False, value=.999, default_value=.999,
type='Select', options=[1.23, 0.98]
)
self.assert_field_values(
editable_fields, 'boolean_select', TestFields.boolean_select,
explicitly_set=False, inheritable=False, value=None, default_value=None,
type='Select', options=[{'display_name': "True", "value": True}, {'display_name': "False", "value": False}]
)
# Test for float
self.assert_field_values(
editable_fields, 'float_non_select', TestFields.float_non_select,
explicitly_set=False, inheritable=False, value=.999, default_value=.999,
type='Float', options={'min': 0, 'step': .3}
)
# Start of helper methods
def get_xml_editable_fields(self, model_data):
system = test_system()
system.render_template = Mock(return_value="<div>Test Template HTML</div>")
return XmlDescriptor(system=system, location=None, model_data=model_data).editable_metadata_fields
def get_descriptor(self, model_data):
class TestModuleDescriptor(TestFields, XmlDescriptor):
@property
def non_editable_metadata_fields(self):
non_editable_fields = super(TestModuleDescriptor, self).non_editable_metadata_fields
non_editable_fields.append(TestModuleDescriptor.due)
return non_editable_fields
system = test_system()
system.render_template = Mock(return_value="<div>Test Template HTML</div>")
return TestModuleDescriptor(system=system, location=None, model_data=model_data)
def assert_field_values(self, editable_fields, name, field, explicitly_set, inheritable, value, default_value,
type='Generic', options=[]):
test_field = editable_fields[name]
self.assertEqual(field.name, test_field['field_name'])
self.assertEqual(field.display_name, test_field['display_name'])
self.assertEqual(field.help, test_field['help'])
self.assertEqual(field.to_json(value), test_field['value'])
self.assertEqual(field.to_json(default_value), test_field['default_value'])
self.assertEqual(options, test_field['options'])
self.assertEqual(type, test_field['type'])
self.assertEqual(explicitly_set, test_field['explicitly_set'])
self.assertEqual(inheritable, test_field['inheritable'])