valico/json_schema/keywords/
pattern.rs

1use serde_json::Value;
2
3use super::super::schema;
4use super::super::validators;
5
6#[allow(missing_copy_implementations)]
7pub struct Pattern;
8impl super::Keyword for Pattern {
9    fn compile(&self, def: &Value, ctx: &schema::WalkContext<'_>) -> super::KeywordResult {
10        let pattern = keyword_key_exists!(def, "pattern");
11
12        if pattern.is_string() {
13            let pattern_val = pattern.as_str().unwrap();
14            match fancy_regex::Regex::new(pattern_val) {
15                Ok(re) => Ok(Some(Box::new(validators::Pattern { regex: re }))),
16                Err(err) => Err(schema::SchemaError::Malformed {
17                    path: ctx.fragment.join("/"),
18                    detail: format!("The value of pattern MUST be a valid RegExp, but {err:?}"),
19                }),
20            }
21        } else {
22            Err(schema::SchemaError::Malformed {
23                path: ctx.fragment.join("/"),
24                detail: "The value of pattern MUST be a string".to_string(),
25            })
26        }
27    }
28}
29
30#[cfg(test)]
31use super::super::builder;
32#[cfg(test)]
33use super::super::scope;
34#[cfg(test)]
35use serde_json::to_value;
36
37#[test]
38fn validate() {
39    let mut scope = scope::Scope::new();
40    let schema = scope
41        .compile_and_return(
42            builder::schema(|s| {
43                s.pattern(r"abb.*");
44            })
45            .into_json(),
46            true,
47        )
48        .ok()
49        .unwrap();
50
51    assert_eq!(schema.validate(&to_value("abb").unwrap()).is_valid(), true);
52    assert_eq!(schema.validate(&to_value("abbd").unwrap()).is_valid(), true);
53    assert_eq!(schema.validate(&to_value("abd").unwrap()).is_valid(), false);
54}
55
56#[test]
57fn mailformed() {
58    let mut scope = scope::Scope::new();
59
60    assert!(scope
61        .compile_and_return(
62            jsonway::object(|schema| {
63                schema.set("pattern", "([]".to_string());
64            })
65            .unwrap(),
66            true
67        )
68        .is_err());
69
70    assert!(scope
71        .compile_and_return(
72            jsonway::object(|schema| {
73                schema.set("pattern", 2);
74            })
75            .unwrap(),
76            true
77        )
78        .is_err());
79}
valico/json_schema/keywords/pattern.rs

valico/json_schema/keywords/
pattern.rs
