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#![cfg(feature = "toml")]
extern crate config;
#[macro_use]
extern crate serde_derive;
use config::*;
fn make() -> Config {
let mut c = Config::default();
c.merge(File::new("tests/Settings", FileFormat::Toml))
.unwrap();
c
}
#[test]
fn test_error_parse() {
let mut c = Config::default();
let res = c.merge(File::new("tests/Settings-invalid", FileFormat::Toml));
assert!(res.is_err());
assert_eq!(
res.unwrap_err().to_string(),
"failed to parse datetime for key `error` at line 2 column 9 in tests/Settings-invalid.toml".to_string()
);
}
#[test]
fn test_error_type() {
let c = make();
let res = c.get::<bool>("boolean_s_parse");
assert!(res.is_err());
assert_eq!(
res.unwrap_err().to_string(),
"invalid type: string \"fals\", expected a boolean for key \
`boolean_s_parse` in tests/Settings.toml"
.to_string()
);
}
#[test]
fn test_error_type_detached() {
let c = make();
let value = c.get::<Value>("boolean_s_parse").unwrap();
let res = value.try_into::<bool>();
assert!(res.is_err());
assert_eq!(
res.unwrap_err().to_string(),
"invalid type: string \"fals\", expected a boolean".to_string()
);
}
#[test]
fn test_error_enum_de() {
#[derive(Debug, Deserialize, PartialEq)]
enum Diode {
Off,
Brightness(i32),
Blinking(i32, i32),
Pattern { name: String, inifinite: bool },
}
let on_v: Value = "on".into();
let on_d = on_v.try_into::<Diode>();
assert_eq!(
on_d.unwrap_err().to_string(),
"enum Diode does not have variant constructor on".to_string()
);
let array_v: Value = vec![100, 100].into();
let array_d = array_v.try_into::<Diode>();
assert_eq!(
array_d.unwrap_err().to_string(),
"value of enum Diode should be represented by either string or table with exactly one key"
);
let confused_v: Value =
[("Brightness".to_string(), 100.into()),
("Blinking".to_string(), vec![300, 700].into())]
.iter().cloned().collect::<std::collections::HashMap<String, Value>>().into();
let confused_d = confused_v.try_into::<Diode>();
assert_eq!(
confused_d.unwrap_err().to_string(),
"value of enum Diode should be represented by either string or table with exactly one key"
);
}
#[test]
fn error_with_path() {
#[derive(Debug, Deserialize)]
struct Inner {
test: i32,
}
#[derive(Debug, Deserialize)]
struct Outer {
inner: Inner,
}
const CFG: &str = r#"
inner:
test: ABC
"#;
let mut cfg = Config::new();
cfg.merge(File::from_str(CFG, FileFormat::Yaml)).unwrap();
let e = cfg.try_into::<Outer>().unwrap_err();
if let ConfigError::Type { key: Some(path), .. } = e {
assert_eq!(path, "inner.test");
} else {
panic!("Wrong error {:?}", e);
}
}
|
