def test_callComparableValue(self):
"""
L{ScrollingElement} should attempt to call L{IColumn.toComparableValue} to
translate input from JavaScript if it is provided by the sort column.
"""
calledWithValues = []
column = AttributeColumn(DataThunk.a)
column.toComparableValue = lambda v: (calledWithValues.append(v), 0)[1]
scrollingElement = ScrollingElement(
Store(), DataThunk, None, [column], webTranslator=FakeTranslator())
scrollingElement.rowsAfterValue(16, 10)
self.assertEqual(calledWithValues, [16])
calledWithValues.pop()
scrollingElement.rowsBeforeValue(11, 10)
self.assertEqual(calledWithValues, [11])
def test_unsortableColumnWrapper(self):
attr = DataThunk.a
col = AttributeColumn(attr)
unsortableCol = UnsortableColumnWrapper(col)
item = DataThunk(store=Store(), a=26)
value = unsortableCol.extractValue(None, item)
self.assertEquals(value, item.a)
self.assertEquals(value, col.extractValue(None, item))
typ = unsortableCol.getType()
self.assertEquals(typ, 'integer')
self.assertEquals(typ, col.getType())
self.assertEquals(unsortableCol.sortAttribute(), None)
def test_unsortableColumnWrapper(self):
attr = DataThunk.a
col = AttributeColumn(attr)
unsortableCol = UnsortableColumnWrapper(col)
item = DataThunk(store=Store(), a=26)
value = unsortableCol.extractValue(None, item)
self.assertEquals(value, item.a)
self.assertEquals(value, col.extractValue(None, item))
typ = unsortableCol.getType()
self.assertEquals(typ, 'integer')
self.assertEquals(typ, col.getType())
self.assertEquals(unsortableCol.sortAttribute(), None)
def test_callComparableValue(self):
"""
L{ScrollingElement} should attempt to call L{IColumn.toComparableValue} to
translate input from JavaScript if it is provided by the sort column.
"""
calledWithValues = []
column = AttributeColumn(DataThunk.a)
column.toComparableValue = lambda v: (calledWithValues.append(v), 0)[1]
scrollingElement = ScrollingElement(Store(),
DataThunk,
None, [column],
webTranslator=FakeTranslator())
scrollingElement.rowsAfterValue(16, 10)
self.assertEqual(calledWithValues, [16])
calledWithValues.pop()
scrollingElement.rowsBeforeValue(11, 10)
self.assertEqual(calledWithValues, [11])
def test_unsortableColumnType(self):
"""
L{UnsortableColumn.getType} should return the same value as
L{AttributeColumn.getType} for a particular attribute.
"""
self.assertEqual(
AttributeColumn(DataThunk.a).getType(),
UnsortableColumn(DataThunk.a).getType())
def testUnsortableColumnWrapper(self):
"""
Test that an L{UnsortableColumnWrapper} wrapping an L{AttributeColumn}
is treated the same as L{UnsortableColumn}
"""
sf = ScrollingFragment(self.store, DataThunk, None,
(UnsortableColumnWrapper(
AttributeColumn(DataThunk.a)), DataThunk.b))
self.assertEquals(sf.currentSortColumn, DataThunk.b)
