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itconfig/itconfig_tests/tests/get_env_or_default.rs
Dmitriy Pleshevskiy e1cbcb7696 feat: add result to getenv functions
BREAKING_CHANGES: get env function returns result instead panic
2020-01-19 17:46:07 +03:00

28 lines
747 B
Rust

use std::env;
use itconfig::*;
#[test]
fn missing_env_variable() {
let flag: bool = get_env_or_default("DEFAULT_TEST_CASE_1", "true");
assert_eq!(flag, true);
}
#[test]
#[should_panic(expected = "Failed to parse environment variable \"DEFAULT_TEST_CASE_2\"")]
fn cannot_parse_env_variable() {
env::set_var("DEFAULT_TEST_CASE_2", "30r");
let _: u32 = get_env_or_default("DEFAULT_TEST_CASE_2", 30);
}
#[test]
#[should_panic(expected = "Failed to parse environment variable \"DEFAULT_TEST_CASE_2\"")]
fn cannot_parse_default_value() {
let _: u32 = get_env_or_default("DEFAULT_TEST_CASE_2", "30r");
}
#[test]
fn get_env_successfully() {
let a: u32 = get_env_or_default("DEFAULT_TEST_CASE_3", 30);
assert_eq!(a, 30);
}