def test_reference():
definitions = typesystem.SchemaDefinitions()
class Album(typesystem.Schema, definitions=definitions):
title = typesystem.String(max_length=100)
release_date = typesystem.Date()
artist = typesystem.Reference("Artist")
class Artist(typesystem.Schema, definitions=definitions):
name = typesystem.String(max_length=100)
album = Album.validate(
{
"title": "Double Negative",
"release_date": "2018-09-14",
"artist": {"name": "Low"},
}
)
assert album == Album(
title="Double Negative",
release_date=datetime.date(2018, 9, 14),
artist=Artist(name="Low"),
)
# Identical class names in alternate definitions should not clash.
definitions = typesystem.SchemaDefinitions()
class Album(typesystem.Schema, definitions=definitions):
renamed_title = typesystem.String(max_length=100)
renamed_release_date = typesystem.Date()
renamed_artist = typesystem.Reference("Artist")
class Artist(typesystem.Schema, definitions=definitions):
renamed_name = typesystem.String(max_length=100)
album = Album.validate(
{
"renamed_title": "Double Negative",
"renamed_release_date": "2018-09-14",
"renamed_artist": {"renamed_name": "Low"},
}
)
assert album == Album(
renamed_title="Double Negative",
renamed_release_date=datetime.date(2018, 9, 14),
renamed_artist=Artist(renamed_name="Low"),
)
def get_schema_definitions(self, data):
definitions = typesystem.SchemaDefinitions()
schemas = lookup(data, ["components", "schemas"], {})
for key, value in schemas.items():
ref = f"#/components/schemas/{key}"
definitions[ref] = typesystem.from_json_schema(
value, definitions=definitions)
return definitions
def test_string_references():
definitions = typesystem.SchemaDefinitions()
class ExampleA(typesystem.Schema, definitions=definitions):
field_on_a = typesystem.Integer()
example_b = typesystem.Reference("ExampleB")
class ExampleB(typesystem.Schema, definitions=definitions):
field_on_b = typesystem.Integer()
value = ExampleA.validate({"field_on_a": "123", "example_b": {"field_on_b": "456"}})
assert value == ExampleA(field_on_a=123, example_b=ExampleB(field_on_b=456))
class ExampleC(typesystem.Schema, definitions=definitions):
field_on_c = typesystem.Integer()
example_d = typesystem.Array(items=typesystem.Reference("ExampleD"))
class ExampleD(typesystem.Schema, definitions=definitions):
field_on_d = typesystem.Integer()
value = ExampleC.validate(
{"field_on_c": "123", "example_d": [{"field_on_d": "456"}]}
)
assert value == ExampleC(field_on_c=123, example_d=[ExampleD(field_on_d=456)])
class ExampleE(typesystem.Schema, definitions=definitions):
field_on_e = typesystem.Integer()
example_f = typesystem.Array(items=[typesystem.Reference("ExampleF")])
class ExampleF(typesystem.Schema, definitions=definitions):
field_on_f = typesystem.Integer()
value = ExampleE.validate(
{"field_on_e": "123", "example_f": [{"field_on_f": "456"}]}
)
assert value == ExampleE(field_on_e=123, example_f=[ExampleF(field_on_f=456)])
class ExampleG(typesystem.Schema, definitions=definitions):
field_on_g = typesystem.Integer()
example_h = typesystem.Object(
properties={"h": typesystem.Reference("ExampleH")}
)
class ExampleH(typesystem.Schema, definitions=definitions):
field_on_h = typesystem.Integer()
value = ExampleG.validate(
{"field_on_g": "123", "example_h": {"h": {"field_on_h": "456"}}}
)
assert value == ExampleG(field_on_g=123, example_h={"h": ExampleH(field_on_h=456)})
def test_definitions_to_json_schema():
definitions = typesystem.SchemaDefinitions()
class Artist(typesystem.Schema, definitions=definitions):
name = typesystem.String(max_length=100)
class Album(typesystem.Schema, definitions=definitions):
title = typesystem.String(max_length=100)
release_date = typesystem.Date()
artist = typesystem.Reference("Artist")
schema = typesystem.to_json_schema(definitions)
assert schema == {
"definitions": {
"Artist": {
"type": "object",
"properties": {
"name": {
"type": "string",
"minLength": 1,
"maxLength": 100
}
},
"required": ["name"],
},
"Album": {
"type": "object",
"properties": {
"title": {
"type": "string",
"minLength": 1,
"maxLength": 100
},
"release_date": {
"type": "string",
"minLength": 1,
"format": "date",
},
"artist": {
"$ref": "#/definitions/Artist"
},
},
"required": ["title", "release_date", "artist"],
},
}
}
def test_definitions_as_mapping():
"""
Ensure that definitions support a mapping interface.
"""
definitions = typesystem.SchemaDefinitions()
class Album(typesystem.Schema, definitions=definitions):
title = typesystem.String(max_length=100)
release_date = typesystem.Date()
artist = typesystem.Reference("Artist")
class Artist(typesystem.Schema, definitions=definitions):
name = typesystem.String(max_length=100)
assert definitions["Album"] == Album
assert definitions["Artist"] == Artist
assert dict(definitions) == {"Album": Album, "Artist": Artist}
assert len(definitions) == 2
del definitions["Artist"]
import typesystem
definitions = typesystem.SchemaDefinitions()
JSON_SCHEMA = (
typesystem.Object(
properties={
"$ref":
typesystem.String(),
"type":
typesystem.String() | typesystem.Array(items=typesystem.String()),
"enum":
typesystem.Array(unique_items=True, min_items=1),
"definitions":
typesystem.Object(additional_properties=typesystem.Reference(
"JSONSchema", definitions=definitions)),
# String
"minLength":
typesystem.Integer(minimum=0),
"maxLength":
typesystem.Integer(minimum=0),
"pattern":
typesystem.String(format="regex"),
"format":
typesystem.String(),
# Numeric
"minimum":
typesystem.Number(),
"maximum":
typesystem.Number(),
"exclusiveMinimum":
