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extern crate config;
use config::*;
use std::env;
#[test]
fn test_default() {
env::set_var("A_B_C", "abc");
let environment = Environment::new();
assert!(environment.collect().unwrap().contains_key("a_b_c"));
env::remove_var("A_B_C");
}
#[test]
fn test_prefix_is_removed_from_key() {
env::set_var("B_A_C", "abc");
let environment = Environment::with_prefix("B");
assert!(environment.collect().unwrap().contains_key("a_c"));
env::remove_var("B_A_C");
}
#[test]
fn test_prefix_with_variant_forms_of_spelling() {
env::set_var("a_A_C", "abc");
let environment = Environment::with_prefix("a");
assert!(environment.collect().unwrap().contains_key("a_c"));
env::remove_var("a_A_C");
env::set_var("aB_A_C", "abc");
let environment = Environment::with_prefix("aB");
assert!(environment.collect().unwrap().contains_key("a_c"));
env::remove_var("aB_A_C");
env::set_var("Ab_A_C", "abc");
let environment = Environment::with_prefix("ab");
assert!(environment.collect().unwrap().contains_key("a_c"));
env::remove_var("Ab_A_C");
}
#[test]
fn test_separator_behavior() {
env::set_var("C_B_A", "abc");
let environment = Environment::with_prefix("C").separator("_");
assert!(environment.collect().unwrap().contains_key("b.a"));
env::remove_var("C_B_A");
}
#[test]
fn test_empty_value_is_ignored() {
env::set_var("C_A_B", "");
let environment = Environment::new().ignore_empty(true);
assert!(!environment.collect().unwrap().contains_key("c_a_b"));
env::remove_var("C_A_B");
}
#[test]
fn test_custom_separator_behavior() {
env::set_var("C.B.A", "abc");
let environment = Environment::with_prefix("C").separator(".");
assert!(environment.collect().unwrap().contains_key("b.a"));
env::remove_var("C.B.A");
}
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