121 lines
3.7 KiB
Rust
121 lines
3.7 KiB
Rust
use crate::{
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compilation::{context::CompilationContext, JSONSchema},
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error::{error, no_error, CompilationError, ErrorIterator, ValidationError},
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keywords::CompilationResult,
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validator::Validate,
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};
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use num_cmp::NumCmp;
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use serde_json::{Map, Value};
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pub(crate) struct MaximumU64Validator {
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limit: u64,
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}
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pub(crate) struct MaximumI64Validator {
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limit: i64,
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}
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pub(crate) struct MaximumF64Validator {
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limit: f64,
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}
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macro_rules! validate {
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($validator: ty) => {
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impl Validate for $validator {
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fn validate<'a>(
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&self,
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schema: &'a JSONSchema,
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instance: &'a Value,
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) -> ErrorIterator<'a> {
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if self.is_valid(schema, instance) {
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no_error()
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} else {
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error(ValidationError::maximum(instance, self.limit as f64)) // do not cast
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}
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}
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fn is_valid(&self, _: &JSONSchema, instance: &Value) -> bool {
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if let Value::Number(item) = instance {
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return if let Some(item) = item.as_u64() {
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!NumCmp::num_gt(item, self.limit)
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} else if let Some(item) = item.as_i64() {
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!NumCmp::num_gt(item, self.limit)
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} else {
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let item = item.as_f64().expect("Always valid");
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!NumCmp::num_gt(item, self.limit)
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};
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}
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true
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}
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}
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impl ToString for $validator {
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fn to_string(&self) -> String {
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format!("maximum: {}", self.limit)
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}
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}
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};
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}
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validate!(MaximumU64Validator);
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validate!(MaximumI64Validator);
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impl Validate for MaximumF64Validator {
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fn is_valid(&self, _: &JSONSchema, instance: &Value) -> bool {
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if let Value::Number(item) = instance {
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return if let Some(item) = item.as_u64() {
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!NumCmp::num_gt(item, self.limit)
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} else if let Some(item) = item.as_i64() {
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!NumCmp::num_gt(item, self.limit)
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} else {
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let item = item.as_f64().expect("Always valid");
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!NumCmp::num_gt(item, self.limit)
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};
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}
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true
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}
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fn validate<'a>(&self, schema: &'a JSONSchema, instance: &'a Value) -> ErrorIterator<'a> {
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if self.is_valid(schema, instance) {
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no_error()
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} else {
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error(ValidationError::maximum(instance, self.limit))
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}
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}
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}
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impl ToString for MaximumF64Validator {
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fn to_string(&self) -> String {
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format!("maximum: {}", self.limit)
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}
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}
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#[inline]
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pub(crate) fn compile(
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_: &Map<String, Value>,
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schema: &Value,
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_: &CompilationContext,
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) -> Option<CompilationResult> {
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if let Value::Number(limit) = schema {
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if let Some(limit) = limit.as_u64() {
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Some(Ok(Box::new(MaximumU64Validator { limit })))
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} else if let Some(limit) = limit.as_i64() {
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Some(Ok(Box::new(MaximumI64Validator { limit })))
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} else {
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let limit = limit.as_f64().expect("Always valid");
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Some(Ok(Box::new(MaximumF64Validator { limit })))
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}
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} else {
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Some(Err(CompilationError::SchemaError))
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::tests_util;
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use serde_json::{json, Value};
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use test_case::test_case;
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#[test_case(&json!({"maximum": 1u64 << 54}), &json!((1u64 << 54) + 1))]
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#[test_case(&json!({"maximum": 1i64 << 54}), &json!((1i64 << 54) + 1))]
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fn is_not_valid(schema: &Value, instance: &Value) {
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tests_util::is_not_valid(schema, instance)
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}
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}
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