def test_build_expression_begins_with(self):
a = Attr('myattr')
self.assert_condition_expression_build(
a.begins_with('foo'),
'begins_with(#n0, :v0)',
{'#n0': 'myattr'},
{':v0': 'foo'},
)
def generate_filter_expression(filter_key: str, filter_cond: str,
filter_value: str) -> dict:
filter_attr = Attr(filter_key)
if filter_cond == "eq":
return {"FilterExpression": filter_attr.eq(filter_value)}
elif filter_cond == "ne":
return {"FilterExpression": filter_attr.eq(filter_value)}
elif filter_cond == "gt":
return {"FilterExpression": filter_attr.gt(filter_value)}
elif filter_cond == "ge":
return {"FilterExpression": filter_attr.gte(filter_value)}
elif filter_cond == "lt":
return {"FilterExpression": filter_attr.lt(filter_value)}
elif filter_cond == "le":
return {"FilterExpression": filter_attr.lte(filter_value)}
elif filter_cond == "begins_with":
return {"FilterExpression": filter_attr.begins_with(filter_value)}
elif filter_cond == "between":
return {"FilterExpression": filter_attr.between(*[filter_value])}
elif filter_cond == "contains":
return {"FilterExpression": filter_attr.contains(filter_value)}
else:
raise AttributeError("filter condition missing")
def test_build_expression_begins_with(self):
a = Attr('myattr')
self.assert_condition_expression_build(
a.begins_with('foo'), 'begins_with(#n0, :v0)',
{'#n0': 'myattr'}, {':v0': 'foo'})
def test_build_expression_begins_with(self):
a = Attr("myattr")
self.assert_condition_expression_build(
a.begins_with("foo"), "begins_with(#n0, :v0)", {"#n0": "myattr"}, {":v0": "foo"}
)
