Trait serde_valid::validation::ValidatePattern
source · pub trait ValidatePattern {
fn validate_pattern(&self, pattern: &Regex) -> Result<(), PatternError>;
}
Expand description
Pattern validation of the string.
See https://json-schema.org/understanding-json-schema/reference/string.html#regular-expressions
use serde_json::json;
use serde_valid::{Validate, ValidatePattern};
struct MyType(String);
impl ValidatePattern for MyType {
fn validate_pattern(
&self,
pattern: ®ex::Regex,
) -> Result<(), serde_valid::PatternError> {
self.0.validate_pattern(pattern)
}
}
#[derive(Validate)]
struct TestStruct {
#[validate(pattern = r"^\d{4}-\d{2}-\d{2}$")]
val: MyType,
}
let s = TestStruct {
val: MyType(String::from("2020/09/10")),
};
assert_eq!(
s.validate().unwrap_err().to_string(),
json!({
"errors": [],
"properties": {
"val": {
"errors": [r#"The value must match the pattern of "^\d{4}-\d{2}-\d{2}$"."#]
}
}
})
.to_string()
);