def test_exclusive_expression(self):
from cocktail.schema import Schema, String, Boolean
from cocktail.schema.exceptions import (ValueRequiredError,
NoneRequiredError)
test_schema = Schema()
test_schema.add_member(Boolean("enabled"))
test_schema.add_member(
String("field", exclusive=test_schema["enabled"]))
# Valid states
assert test_schema.validate({"enabled": False, "field": None})
assert test_schema.validate({"enabled": True, "field": "foo"})
# None required error
errors = list(
test_schema.get_errors({
"enabled": False,
"field": "foo"
}))
assert len(errors) == 1
error = errors[0]
assert isinstance(error, NoneRequiredError)
# Required error
errors = list(test_schema.get_errors({"enabled": True, "field": None}))
assert len(errors) == 1
error = errors[0]
assert isinstance(error, ValueRequiredError)
def test_member_added_event(self):
from cocktail.schema import Schema, String
foo = Schema("foo")
spam = Schema("spam")
spam.inherit(foo)
events = EventLog()
events.listen(foo.member_added, spam.member_added)
bar = String("bar")
foo.add_member(bar)
scrum = String("scrum")
foo.add_member(scrum)
event = events.pop(0)
self.assertEqual(event.slot, foo.member_added)
self.assertEqual(event.member, bar)
event = events.pop(0)
self.assertEqual(event.slot, foo.member_added)
self.assertEqual(event.member, scrum)
self.assertFalse(events)
def test_ignores_missing_anchors(self):
from cocktail.schema import Schema, Member
m1 = Member("m1", after_member="m3")
m2 = Member("m2")
schema = Schema()
schema.members_order = ["m2"]
schema.add_member(m1)
schema.add_member(m2)
assert schema.ordered_members() == [m2, m1]
def test_members_can_specify_relative_positions_using_base_schemas(self):
from cocktail.schema import Schema, Member
b1 = Member("b1")
b2 = Member("b2")
b3 = Member("b3")
b = Schema()
b.members_order = ["b2", "b3"]
b.add_member(b1)
b.add_member(b2)
b.add_member(b3)
d1 = Member("d1")
d2 = Member("d2", before_member="b2")
d3 = Member("d3", after_member="b1")
d = Schema()
d.inherit(b)
d.add_member(d1)
d.add_member(d2)
d.add_member(d3)
ordered_members = d.ordered_members()
assert ordered_members == [d2, b2, b3, b1, d3, d1]
def get_schema(self):
from cocktail.schema import Schema, Reference, Collection
schema = Schema()
schema.add_member(Reference("parent", type=schema, bidirectional=True))
schema.add_member(
Collection("children",
items=Reference(type=schema),
bidirectional=True))
return schema
def test_match_one_to_one(self):
from cocktail.schema import Schema, Reference
from cocktail.schema.exceptions import SchemaIntegrityError
a = Schema("a")
b = Schema("b")
a.add_member(Reference("rel_b", type=b, bidirectional=True))
b.add_member(Reference("rel_a", type=a, bidirectional=True))
self.assertTrue(a["rel_b"].related_end is b["rel_a"])
self.assertTrue(a["rel_b"].related_type is b)
self.assertTrue(b["rel_a"].related_end is a["rel_b"])
self.assertTrue(b["rel_a"].related_type is a)
def test_callable(self):
from cocktail.schema import Schema, String, Boolean
from cocktail.schema.exceptions import ValueRequiredError
test_schema = Schema()
test_schema.add_member(Boolean("enabled"))
test_schema.add_member(
String("field", required=lambda ctx: ctx.get_value("enabled")))
assert test_schema.validate({"enabled": False, "field": None})
assert test_schema.validate({"enabled": True, "field": "foo"})
errors = list(test_schema.get_errors({"enabled": True, "field": None}))
assert len(errors) == 1
error = errors[0]
assert isinstance(error, ValueRequiredError)
def test_translated(self):
from cocktail.schema import Schema, String, exceptions
schema = Schema()
schema.add_member(String("foo", translated=True, required=True))
validable = {"foo": {"ca": "Hola", "es": "Hola", "en": "Hello"}}
assert not list(schema.get_errors(validable))
validable["foo"]["fr"] = None
validable["foo"]["es"] = None
errors = list(schema.get_errors(validable))
assert len(errors) == 2
assert set([error.language for error in errors]) == set(["fr", "es"])
def test_follows_explicit_ordering(self):
from cocktail.schema import Schema, Member
m1 = Member("m1")
m2 = Member("m2")
m3 = Member("m3")
m4 = Member("m4")
schema = Schema()
schema.members_order = ["m1", "m4", "m3", "m2"]
schema.add_member(m1)
schema.add_member(m2)
schema.add_member(m3)
schema.add_member(m4)
assert schema.ordered_members() == [m1, m4, m3, m2]
def test_no_match(self):
from cocktail.schema import Schema, Reference
from cocktail.schema.exceptions import SchemaIntegrityError
a = Schema("a")
b = Schema("b")
a.add_member(Reference("rel_b", type=b, bidirectional=True))
b.add_member(Reference("rel_a", type=a))
def resolve_relation():
print(a["rel_b"].related_end)
self.assertRaises(SchemaIntegrityError, resolve_relation)
self.assertTrue(b["rel_a"].related_end is None)
def test_match_many_to_many(self):
from cocktail.schema import Schema, Reference, Collection
from cocktail.schema.exceptions import SchemaIntegrityError
a = Schema("a")
b = Schema("b")
a.add_member(
Collection("rel_b", items=Reference(type=b), bidirectional=True))
b.add_member(
Collection("rel_a", items=Reference(type=a), bidirectional=True))
self.assertTrue(a["rel_b"].related_end is b["rel_a"])
self.assertTrue(a["rel_b"].related_type is b)
self.assertTrue(b["rel_a"].related_end is a["rel_b"])
self.assertTrue(b["rel_a"].related_type is a)
def test_implicitly_includes_unspecified_members(self):
from cocktail.schema import Schema, Member
m1 = Member("m1")
m2 = Member("m2")
m3 = Member("m3")
m4 = Member("m4")
schema = Schema()
schema.members_order = ["m3", "m2"]
schema.add_member(m1)
schema.add_member(m2)
schema.add_member(m3)
schema.add_member(m4)
ordered_members = schema.ordered_members()
assert len(ordered_members) == 4
assert ordered_members[:2] == [m3, m2]
assert set(ordered_members[2:]) == set([m1, m4])
def test_layers_members_from_derived_schemas(self):
from cocktail.schema import Schema, Member
b1 = Member("b1")
b2 = Member("b2")
b3 = Member("b3")
b4 = Member("b4")
b = Schema()
b.members_order = ["b4", "b3"]
b.add_member(b1)
b.add_member(b2)
b.add_member(b3)
b.add_member(b4)
d1 = Member("d1")
d2 = Member("d2")
d3 = Member("d3")
d4 = Member("d4")
d = Schema()
d.inherit(b)
d.members_order = ["d4", "d3"]
d.add_member(d1)
d.add_member(d2)
d.add_member(d3)
d.add_member(d4)
mlist = b.ordered_members()
assert len(mlist) == 4
assert mlist[:2] == [b4, b3]
assert set(mlist[2:]) == set([b1, b2])
mlist = d.ordered_members(False)
assert len(mlist) == 4
assert mlist[:2] == [d4, d3]
assert set(mlist[2:]) == set([d1, d2])
mlist = d.ordered_members()
assert len(mlist) == 8
assert mlist[:2] == [b4, b3]
assert set(mlist[2:4]) == set([b1, b2])
assert mlist[4:6] == [d4, d3]
assert set(mlist[6:]) == set([d1, d2])
def test_members_can_specify_relative_positions(self):
from cocktail.schema import Schema, Member
m1 = Member("m1")
m2 = Member("m2")
m3 = Member("m3")
m4 = Member("m4", after_member="m5")
m5 = Member("m5", before_member="m1")
m6 = Member("m6", before_member="m3")
schema = Schema()
schema.members_order = ["m3", "m2"]
schema.add_member(m1)
schema.add_member(m2)
schema.add_member(m3)
schema.add_member(m4)
schema.add_member(m5)
schema.add_member(m6)
ordered_members = schema.ordered_members()
assert ordered_members == [m6, m3, m2, m5, m4, m1]
