min_size
and max_size
are optional
var validator = new ObjectValidator
validator.add new StringField("field", required=false)
assert validator.validate("""{}""")
validator = new ObjectValidator
validator.add new StringField("field")
assert not validator.validate("""{}""")
assert not validator.validate("""{ "field": 10 }""")
validator = new ObjectValidator
validator.add new StringField("field", min_size=3)
assert validator.validate("""{ "field": "foo" }""")
assert not validator.validate("""{ "field": "fo" }""")
assert not validator.validate("""{ "field": "" }""")
validator = new ObjectValidator
validator.add new StringField("field", max_size=3)
assert validator.validate("""{ "field": "foo" }""")
assert not validator.validate("""{ "field": "fooo" }""")
validator = new ObjectValidator
validator.add new StringField("field", min_size=3, max_size=5)
assert not validator.validate("""{ "field": "fo" }""")
assert validator.validate("""{ "field": "foo" }""")
assert validator.validate("""{ "field": "foooo" }""")
assert not validator.validate("""{ "field": "fooooo" }""")
popcorn :: StringField :: defaultinit
popcorn :: StringField :: max_size
String max size (default: not checked)popcorn :: StringField :: max_size=
String max size (default: not checked)popcorn :: StringField :: min_size
String min size (default: not checked)popcorn :: StringField :: min_size=
String min size (default: not checked)popcorn $ StringField :: SELF
Type of this instance, automatically specialized in every classpopcorn $ StringField :: validate_field
Validatefield
in obj
core :: Object :: class_factory
Implementation used byget_class
to create the specific class.
popcorn :: StringField :: defaultinit
core :: Object :: defaultinit
popcorn :: RequiredField :: defaultinit
popcorn :: FieldValidator :: defaultinit
core :: Object :: is_same_instance
Return true ifself
and other
are the same instance (i.e. same identity).
core :: Object :: is_same_serialized
Isself
the same as other
in a serialization context?
core :: Object :: is_same_type
Return true ifself
and other
have the same dynamic type.
popcorn :: StringField :: max_size
String max size (default: not checked)popcorn :: StringField :: max_size=
String max size (default: not checked)popcorn :: StringField :: min_size
String min size (default: not checked)popcorn :: StringField :: min_size=
String min size (default: not checked)core :: Object :: output_class_name
Display class name on stdout (debug only).popcorn :: RequiredField :: required=
Is this field required?popcorn :: FieldValidator :: validate_field
Validatefield
in obj
# Check if a field is a String
#
# `min_size` and `max_size` are optional
#
# ~~~
# var validator = new ObjectValidator
# validator.add new StringField("field", required=false)
# assert validator.validate("""{}""")
#
# validator = new ObjectValidator
# validator.add new StringField("field")
# assert not validator.validate("""{}""")
# assert not validator.validate("""{ "field": 10 }""")
#
# validator = new ObjectValidator
# validator.add new StringField("field", min_size=3)
# assert validator.validate("""{ "field": "foo" }""")
# assert not validator.validate("""{ "field": "fo" }""")
# assert not validator.validate("""{ "field": "" }""")
#
# validator = new ObjectValidator
# validator.add new StringField("field", max_size=3)
# assert validator.validate("""{ "field": "foo" }""")
# assert not validator.validate("""{ "field": "fooo" }""")
#
# validator = new ObjectValidator
# validator.add new StringField("field", min_size=3, max_size=5)
# assert not validator.validate("""{ "field": "fo" }""")
# assert validator.validate("""{ "field": "foo" }""")
# assert validator.validate("""{ "field": "foooo" }""")
# assert not validator.validate("""{ "field": "fooooo" }""")
# ~~~
class StringField
super RequiredField
# String min size (default: not checked)
var min_size: nullable Int
# String max size (default: not checked)
var max_size: nullable Int
redef fun validate_field(v, obj) do
if not super then return false
var val = obj.get_or_null(field)
if val == null then
if required == null or required == true then
v.validation.add_error(field, "Expected String got `null`")
return false
else
return true
end
end
if not val isa String then
v.validation.add_error(field, "Expected String got `{val.class_name}`")
return false
end
var min_size = self.min_size
if min_size != null and val.length < min_size then
v.validation.add_error(field, "Must be at least `{min_size} characters long`")
return false
end
var max_size = self.max_size
if max_size != null and val.length > max_size then
v.validation.add_error(field, "Must be at max `{max_size} characters long`")
return false
end
return true
end
end
lib/popcorn/pop_validation.nit:314,1--382,3