coreutils/tests/by-util/test_printenv.rs

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use crate::common::util::TestScenario;
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use std::env;
#[test]
fn test_get_all() {
let key = "KEY";
env::set_var(key, "VALUE");
assert_eq!(env::var(key), Ok("VALUE".to_string()));
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TestScenario::new(util_name!())
.ucmd()
.keep_env()
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.succeeds()
.stdout_contains("HOME=")
.stdout_contains("KEY=VALUE");
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}
#[test]
fn test_get_var() {
let key = "KEY";
env::set_var(key, "VALUE");
assert_eq!(env::var(key), Ok("VALUE".to_string()));
let result = TestScenario::new(util_name!())
.ucmd()
.keep_env()
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.arg("KEY")
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.succeeds();
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assert!(!result.stdout_str().is_empty());
assert_eq!(result.stdout_str().trim(), "VALUE");
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}
#[test]
fn test_ignore_equal_var() {
let scene = TestScenario::new(util_name!());
// tested by gnu/tests/misc/printenv.sh
let result = scene.ucmd().env("a=b", "c").arg("a=b").fails();
assert!(result.stdout_str().is_empty());
}