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#![cfg(feature = "toml")]
use config::{Config, File, FileFormat, Map};
fn make() -> Config {
Config::builder()
.add_source(File::new("tests/Settings", FileFormat::Toml))
.add_source(File::new("tests/Settings-production", FileFormat::Toml))
.build()
.unwrap()
}
#[test]
fn test_merge() {
let c = make();
assert_eq!(c.get("debug").ok(), Some(false));
assert_eq!(c.get("production").ok(), Some(true));
assert_eq!(c.get("place.rating").ok(), Some(4.9));
if cfg!(feature = "preserve_order") {
let m: Map<String, String> = c.get("place.creator").unwrap();
assert_eq!(
m.into_iter().collect::<Vec<(String, String)>>(),
vec![
("name".to_string(), "Somebody New".to_string()),
("username".to_string(), "jsmith".to_string()),
("email".to_string(), "jsmith@localhost".to_string()),
]
);
} else {
assert_eq!(
c.get("place.creator.name").ok(),
Some("Somebody New".to_string())
);
}
}
#[test]
fn test_merge_whole_config() {
let builder1 = Config::builder().set_override("x", 10).unwrap();
let builder2 = Config::builder().set_override("y", 25).unwrap();
let config1 = builder1.build_cloned().unwrap();
let config2 = builder2.build_cloned().unwrap();
assert_eq!(config1.get("x").ok(), Some(10));
assert_eq!(config2.get::<()>("x").ok(), None);
assert_eq!(config2.get("y").ok(), Some(25));
assert_eq!(config1.get::<()>("y").ok(), None);
let config3 = builder1.add_source(config2).build().unwrap();
assert_eq!(config3.get("x").ok(), Some(10));
assert_eq!(config3.get("y").ok(), Some(25));
}
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