Trait serde_valid::validation::ValidateMinLength
source · [−]pub trait ValidateMinLength {
fn validate_min_length(
&self,
min_length: usize
) -> Result<(), MinLengthError>;
}
Expand description
Min length validation of the string.
See https://json-schema.org/understanding-json-schema/reference/string.html#length
use serde_json::json;
use serde_valid::{Validate, ValidateMinLength};
struct MyType(String);
impl ValidateMinLength for MyType {
fn validate_min_length(
&self,
min_length: usize,
) -> Result<(), serde_valid::MinLengthError> {
self.0.validate_min_length(min_length)
}
}
#[derive(Validate)]
struct TestStruct {
#[validate(min_length = 5)]
val: MyType,
}
let s = TestStruct {
val: MyType(String::from("abc")),
};
assert_eq!(
s.validate().unwrap_err().to_string(),
json!({
"errors": [],
"properties": {
"val": {
"errors": ["The length of the value must be `>= 5`."]
}
}
})
.to_string()
);