valico 3.1.0

JSON Schema validator and JSON coercer
Documentation 
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use serde_json::Value;
use url::Url;

use super::super::schema;
use super::super::validators;

#[allow(missing_copy_implementations)]
pub struct Ref;
impl super::Keyword for Ref {
    fn compile(&self, def: &Value, ctx: &schema::WalkContext<'_>) -> super::KeywordResult {
        let ref_ = keyword_key_exists!(def, "$ref");

        if ref_.is_string() {
            let url = Url::options()
                .base_url(Some(ctx.url))
                .parse(ref_.as_str().unwrap());
            match url {
                Ok(url) => Ok(Some(Box::new(validators::Ref { url }))),
                Err(_) => Err(schema::SchemaError::Malformed {
                    path: ctx.fragment.join("/"),
                    detail: "The value of $ref MUST be an URI-encoded JSON Pointer".to_string(),
                }),
            }
        } else {
            Err(schema::SchemaError::Malformed {
                path: ctx.fragment.join("/"),
                detail: "The value of multipleOf MUST be a string".to_string(),
            })
        }
    }

    fn is_exclusive(&self) -> bool {
        true
    }
}

#[cfg(test)]
use super::super::builder;
#[cfg(test)]
use super::super::scope;
#[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.array();
                s.max_items(2u64);
                s.items_schema(|items| {
                    items.ref_("#");
                })
            })
            .into_json(),
            true,
        )
        .ok()
        .unwrap();

    let array: Vec<String> = vec![];
    let array2: Vec<Vec<String>> = vec![vec![], vec![]];
    let array3: Vec<Vec<String>> = vec![vec![], vec![], vec![]];

    assert_eq!(schema.validate(&to_value(&array).unwrap()).is_valid(), true);
    assert_eq!(
        schema.validate(&to_value(&array2).unwrap()).is_valid(),
        true
    );

    assert_eq!(
        schema.validate(&to_value(&array3).unwrap()).is_valid(),
        false
    );
    assert_eq!(
        schema.validate(&to_value(&vec![1, 2]).unwrap()).is_valid(),
        false
    );
}