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prioritize Library's defaults over inherited ones.

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This commit is contained in:
Qubad786
2016-08-25 16:55:40 +05:00
parent 2e8e51c327
commit be80ef3a7f
4 changed files with 139 additions and 22 deletions
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130
common/lib/xmodule/xmodule/tests/test_xml_module.py
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@@ -5,6 +5,7 @@ import unittest
from mock import Mock
from nose.tools import assert_equals, assert_not_equals, assert_true, assert_false, assert_in, assert_not_in # pylint: disable=no-name-in-module
from opaque_keys.edx.locator import BlockUsageLocator, CourseLocator
from xblock.field_data import DictFieldData
from xblock.fields import Scope, String, Dict, Boolean, Integer, Float, Any, List
@@ -12,6 +13,7 @@ from xblock.runtime import KvsFieldData, DictKeyValueStore
from xmodule.fields import Date, Timedelta, RelativeTime
from xmodule.modulestore.inheritance import InheritanceKeyValueStore, InheritanceMixin, InheritingFieldData
from xmodule.modulestore.split_mongo.split_mongo_kvs import SplitMongoKVS
from xmodule.xml_module import XmlDescriptor, serialize_field, deserialize_field
from xmodule.course_module import CourseDescriptor
from xmodule.seq_module import SequenceDescriptor
@@ -56,15 +58,20 @@ class TestFields(object):
class InheritingFieldDataTest(unittest.TestCase):
"""Tests of InheritingFieldData."""
"""
Tests of InheritingFieldData.
"""
class TestableInheritingXBlock(XmlDescriptor):
"""An XBlock we can use in these tests."""
"""
An XBlock we can use in these tests.
"""
inherited = String(scope=Scope.settings, default="the default")
not_inherited = String(scope=Scope.settings, default="nothing")
def setUp(self):
super(InheritingFieldDataTest, self).setUp()
self.dummy_course_key = CourseLocator('test_org', 'test_123', 'test_run')
self.system = get_test_descriptor_system()
self.all_blocks = {}
self.system.get_block = self.all_blocks.get
@@ -73,11 +80,34 @@ class InheritingFieldDataTest(unittest.TestCase):
kvs=DictKeyValueStore({}),
)
def get_block_using_split_kvs(self, block_type, block_id, fields, defaults):
"""
Construct an Xblock with split mongo kvs.
"""
kvs = SplitMongoKVS(
definition=Mock(),
initial_values=fields,
default_values=defaults,
parent=None
)
self.field_data = InheritingFieldData(
inheritable_names=['inherited'],
kvs=kvs,
)
block = self.get_a_block(
usage_id=self.get_usage_id(block_type, block_id)
)
return block
def get_a_block(self, usage_id=None):
"""Construct an XBlock for testing with."""
"""
Construct an XBlock for testing with.
"""
scope_ids = Mock()
if usage_id is None:
usage_id = "_auto%d" % len(self.all_blocks)
block_id = "_auto{id}".format(id=len(self.all_blocks))
usage_id = self.get_usage_id("course", block_id)
scope_ids.usage_id = usage_id
block = self.system.construct_xblock_from_class(
self.TestableInheritingXBlock,
@@ -87,14 +117,24 @@ class InheritingFieldDataTest(unittest.TestCase):
self.all_blocks[usage_id] = block
return block
def get_usage_id(self, block_type, block_id):
"""
Constructs usage id using 'block_type' and 'block_id'
"""
return BlockUsageLocator(self.dummy_course_key, block_type=block_type, block_id=block_id)
def test_default_value(self):
# Blocks with nothing set with return the fields' defaults.
"""
Test that the Blocks with nothing set with return the fields' defaults.
"""
block = self.get_a_block()
self.assertEqual(block.inherited, "the default")
self.assertEqual(block.not_inherited, "nothing")
def test_set_value(self):
# If you set a value, that's what you get back.
"""
Test that If you set a value, that's what you get back.
"""
block = self.get_a_block()
block.inherited = "Changed!"
block.not_inherited = "New Value!"
@@ -102,36 +142,86 @@ class InheritingFieldDataTest(unittest.TestCase):
self.assertEqual(block.not_inherited, "New Value!")
def test_inherited(self):
# A child with get a value inherited from the parent.
parent = self.get_a_block(usage_id="parent")
parent.inherited = "Changed!"
self.assertEqual(parent.inherited, "Changed!")
"""
Test that a child with get a value inherited from the parent.
"""
parent_block = self.get_a_block(usage_id=self.get_usage_id("course", "parent"))
parent_block.inherited = "Changed!"
self.assertEqual(parent_block.inherited, "Changed!")
child = self.get_a_block(usage_id="child")
child.parent = "parent"
child = self.get_a_block(usage_id=self.get_usage_id("vertical", "child"))
child.parent = parent_block.location
self.assertEqual(child.inherited, "Changed!")
def test_inherited_across_generations(self):
# A child with get a value inherited from a great-grandparent.
parent = self.get_a_block(usage_id="parent")
"""
Test that a child with get a value inherited from a great-grandparent.
"""
parent = self.get_a_block(usage_id=self.get_usage_id("course", "parent"))
parent.inherited = "Changed!"
self.assertEqual(parent.inherited, "Changed!")
for child_num in range(10):
usage_id = "child_{}".format(child_num)
usage_id = self.get_usage_id("vertical", "child_{}".format(child_num))
child = self.get_a_block(usage_id=usage_id)
child.parent = "parent"
child.parent = parent.location
self.assertEqual(child.inherited, "Changed!")
def test_not_inherited(self):
# Fields not in the inherited_names list won't be inherited.
parent = self.get_a_block(usage_id="parent")
"""
Test that the fields not in the inherited_names list won't be inherited.
"""
parent = self.get_a_block(usage_id=self.get_usage_id("course", "parent"))
parent.not_inherited = "Changed!"
self.assertEqual(parent.not_inherited, "Changed!")
child = self.get_a_block(usage_id="child")
child.parent = "parent"
child = self.get_a_block(usage_id=self.get_usage_id("vertical", "child"))
child.parent = parent.location
self.assertEqual(child.not_inherited, "nothing")
def test_non_defaults_inherited_across_lib(self):
"""
Test that a child inheriting from library_content block, inherits fields
from parent if these fields are not in its defaults.
"""
parent_block = self.get_block_using_split_kvs(
block_type="library_content",
block_id="parent",
fields=dict(inherited="changed!"),
defaults=dict(inherited="parent's default"),
)
self.assertEqual(parent_block.inherited, "changed!")
child = self.get_block_using_split_kvs(
block_type="problem",
block_id="child",
fields={},
defaults={},
)
child.parent = parent_block.location
self.assertEqual(child.inherited, "changed!")
def test_defaults_not_inherited_across_lib(self):
"""
Test that a child inheriting from library_content block, does not inherit
fields from parent if these fields are in its defaults already.
"""
parent_block = self.get_block_using_split_kvs(
block_type="library_content",
block_id="parent",
fields=dict(inherited="changed!"),
defaults=dict(inherited="parent's default"),
)
self.assertEqual(parent_block.inherited, "changed!")
child = self.get_block_using_split_kvs(
block_type="library_content",
block_id="parent",
fields={},
defaults=dict(inherited="child's default"),
)
child.parent = parent_block.location
self.assertEqual(child.inherited, "child's default")
class EditableMetadataFieldsTest(unittest.TestCase):
def test_display_name_field(self):