tanzim_validate/
boolean.rs

1use crate::error::{Error, ErrorKind};
2use crate::{Meta, Validator};
3use tanzim_value::{Value, ValueType};
4
5/// (`boolean` feature) Accepts only a boolean value. No coercion, no options.
6#[derive(Debug, Clone, Default)]
7pub struct Bool {
8    meta: Meta,
9}
10
11impl Bool {
12    pub fn new() -> Self {
13        Self::default()
14    }
15
16    /// Attach human-facing metadata (name, description, examples, default, output conversion).
17    pub fn with_meta(mut self, meta: Meta) -> Self {
18        self.meta = meta;
19        self
20    }
21}
22
23crate::impl_meta_methods!(Bool);
24
25impl Validator for Bool {
26    fn meta(&self) -> &Meta {
27        &self.meta
28    }
29
30    fn meta_mut(&mut self) -> &mut Meta {
31        &mut self.meta
32    }
33
34    fn check(&self, value: &mut Value) -> Result<(), Error> {
35        if value.is_bool() {
36            Ok(())
37        } else {
38            Err(Error::new(ErrorKind::Type {
39                expected: ValueType::Bool,
40                found: value.type_name(),
41            }))
42        }
43    }
44}
45
46#[cfg(test)]
47mod tests {
48    use super::*;
49
50    #[test]
51    fn accepts_bool() {
52        let mut value = Value::Bool(true);
53        assert!(Bool::new().validate(&mut value).is_ok());
54    }
55
56    #[test]
57    fn rejects_non_bool() {
58        let mut value = Value::Int(1);
59        let error = Bool::new().validate(&mut value).unwrap_err();
60        assert!(matches!(error.kind, ErrorKind::Type { .. }));
61    }
62}
tanzim_validate/boolean.rs

tanzim_validate/
boolean.rs
