blob: 6b6d1bcfee9ebd7de85a8fcfefe3c83622bae0af [file] [log] [blame]
use serde_json::{Value};
use super::super::schema;
use super::super::validators;
#[allow(missing_copy_implementations)]
pub struct Enum;
impl super::Keyword for Enum {
fn compile(&self, def: &Value, ctx: &schema::WalkContext) -> super::KeywordResult {
let enum_ = keyword_key_exists!(def, "enum");
if enum_.is_array() {
let enum_ = enum_.as_array().unwrap();
if enum_.len() == 0 {
return Err(schema::SchemaError::Malformed {
path: ctx.fragment.join("/"),
detail: "This array MUST have at least one element.".to_string()
})
}
Ok(Some(Box::new(validators::Enum {
items: enum_.clone()
})))
} else {
Err(schema::SchemaError::Malformed {
path: ctx.fragment.join("/"),
detail: "The value of this keyword MUST be an array.".to_string()
})
}
}
}
#[cfg(test)] use super::super::scope;
#[cfg(test)] use jsonway;
#[cfg(test)] use super::super::builder;
#[cfg(test)] use serde_json::to_value;
#[test]
fn validate() {
let mut scope = scope::Scope::new();
let schema = scope.compile_and_return(builder::schema(|s| {
s.enum_(|items| {
items.push("prop1".to_string());
items.push("prop2".to_string());
})
}).into_json(), true).ok().unwrap();
assert_eq!(schema.validate(&to_value(&"prop1").unwrap()).is_valid(), true);
assert_eq!(schema.validate(&to_value(&"prop2").unwrap()).is_valid(), true);
assert_eq!(schema.validate(&to_value(&"prop3").unwrap()).is_valid(), false);
assert_eq!(schema.validate(&to_value(&1).unwrap()).is_valid(), false);
}
#[test]
fn malformed() {
let mut scope = scope::Scope::new();
assert!(scope.compile_and_return(jsonway::object(|schema| {
schema.array("enum", |_| {});
}).unwrap(), true).is_err());
assert!(scope.compile_and_return(jsonway::object(|schema| {
schema.object("enum", |_| {});
}).unwrap(), true).is_err());
}