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#![cfg(feature = "yaml")]
extern crate config;
extern crate float_cmp;
extern crate serde;
#[macro_use]
extern crate serde_derive;
use std::collections::HashMap;
use std::path::PathBuf;
use config::*;
use float_cmp::ApproxEqUlps;
#[derive(Debug, Deserialize)]
struct Place {
name: String,
longitude: f64,
latitude: f64,
favorite: bool,
telephone: Option<String>,
reviews: u64,
creator: HashMap<String, Value>,
rating: Option<f32>,
}
#[derive(Debug, Deserialize)]
struct Settings {
debug: f64,
production: Option<String>,
place: Place,
#[serde(rename = "arr")]
elements: Vec<String>,
}
fn make() -> Config {
Config::builder()
.add_source(File::new("tests/Settings", FileFormat::Yaml))
.build()
.unwrap()
}
#[test]
fn test_file() {
let c = make();
// Deserialize the entire file as single struct
let s: Settings = c.try_into().unwrap();
assert!(s.debug.approx_eq_ulps(&1.0, 2));
assert_eq!(s.production, Some("false".to_string()));
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_string().unwrap(),
"John Smith".to_string()
);
}
#[test]
fn test_error_parse() {
let res = Config::builder()
.add_source(File::new("tests/Settings-invalid", FileFormat::Yaml))
.build();
let path_with_extension: PathBuf = ["tests", "Settings-invalid.yaml"].iter().collect();
assert!(res.is_err());
assert_eq!(
res.unwrap_err().to_string(),
format!(
"while parsing a block mapping, did not find expected key at \
line 2 column 1 in {}",
path_with_extension.display()
)
);
}
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