Skip to main content

reifydb_value/config/
decimal.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use super::Config;
5use crate::value::decimal::Decimal;
6
7impl Config {
8	pub fn decimal(&self, key: &str) -> Option<Decimal> {
9		self.opt(key)
10	}
11
12	pub fn require_decimal(&self, key: &str) -> Decimal {
13		self.opt(key).unwrap_or_else(|| self.missing(key, "a decimal"))
14	}
15
16	pub fn decimal_or(&self, key: &str, default: Decimal) -> Decimal {
17		self.opt(key).unwrap_or(default)
18	}
19}
20
21#[cfg(test)]
22mod tests {
23	use super::super::testutil::config;
24	use crate::value::{Value, decimal::Decimal};
25
26	#[test]
27	fn casts_decimal_values() {
28		let d = Decimal::from_i64(50);
29		let cfg = config(vec![("d", Value::Decimal(d.clone()))]);
30		assert_eq!(cfg.decimal("d"), Some(d));
31	}
32
33	#[test]
34	fn fixed_width_number_does_not_satisfy_decimal() {
35		let cfg = config(vec![("f", Value::float8(50.0)), ("i", Value::Int8(50))]);
36		assert_eq!(cfg.decimal("f"), None, "a float is a distinct variant from a decimal");
37		assert_eq!(cfg.decimal("i"), None, "a fixed-width integer is not a decimal");
38	}
39
40	#[test]
41	fn or_and_require_behavior() {
42		let d = Decimal::from_i64(50);
43		let default = Decimal::from_i64(0);
44		let cfg = config(vec![("present", Value::Decimal(d.clone()))]);
45		assert_eq!(cfg.decimal_or("present", default.clone()), d);
46		assert_eq!(cfg.decimal_or("absent", default.clone()), default);
47		assert_eq!(cfg.require_decimal("present"), d);
48	}
49
50	#[test]
51	#[should_panic(expected = "is missing or not a decimal")]
52	fn require_panics_when_missing() {
53		let cfg = config(vec![]);
54		cfg.require_decimal("k");
55	}
56}