#![cfg(feature = "toml")] extern crate config_maint; extern crate float_cmp; extern crate serde; #[macro_use] extern crate serde_derive; use config_maint::*; use float_cmp::ApproxEqUlps; use std::collections::HashMap; use std::path::PathBuf; #[derive(Debug, Deserialize)] struct Place { number: PlaceNumber, name: String, longitude: f64, latitude: f64, favorite: bool, telephone: Option, reviews: u64, creator: HashMap, rating: Option, } #[derive(Debug, Deserialize, PartialEq)] struct PlaceNumber(u8); #[derive(Debug, Deserialize, PartialEq)] struct AsciiCode(i8); #[derive(Debug, Deserialize)] struct Settings { debug: f64, production: Option, code: AsciiCode, place: Place, #[serde(rename = "arr")] elements: Vec, } fn make() -> Config { let mut c = Config::default(); c.merge(File::new("tests/Settings", FileFormat::Toml)) .unwrap(); c } #[test] fn test_file() { let c = make(); // Deserialize the entire file as single struct let s: Settings = c.try_deserialize().unwrap(); assert!(s.debug.approx_eq_ulps(&1.0, 2)); assert_eq!(s.production, Some("false".to_string())); assert_eq!(s.code, AsciiCode(53)); assert_eq!(s.place.number, PlaceNumber(1)); assert_eq!(s.place.name, "Torre di Pisa"); assert!(s.place.longitude.approx_eq_ulps(&43.7224985, 2)); assert!(s.place.latitude.approx_eq_ulps(&10.3970522, 2)); assert_eq!(s.place.favorite, false); assert_eq!(s.place.reviews, 3866); assert_eq!(s.place.rating, Some(4.5)); assert_eq!(s.place.telephone, None); assert_eq!(s.elements.len(), 10); assert_eq!(s.elements[3], "4".to_string()); assert_eq!( s.place.creator["name"].clone().into_str().unwrap(), "John Smith".to_string() ); } #[test] fn test_error_parse() { let mut c = Config::default(); let res = c.merge(File::new("tests/Settings-invalid", FileFormat::Toml)); let path_with_extension: PathBuf = ["tests", "Settings-invalid.toml"].iter().collect(); assert!(res.is_err()); assert_eq!( res.unwrap_err().to_string(), format!( "invalid TOML value, did you mean to use a quoted string? at line 2 column 9 in {}", path_with_extension.display() ) ); }