61 lines
1.7 KiB
Rust
61 lines
1.7 KiB
Rust
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// Copyright 2014, 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-emscripten
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use std::process::Command;
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use std::env;
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#[cfg(all(unix, not(target_os="android")))]
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pub fn env_cmd() -> Command {
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Command::new("env")
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}
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#[cfg(target_os="android")]
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pub fn env_cmd() -> Command {
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let mut cmd = Command::new("/system/bin/sh");
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cmd.arg("-c").arg("set");
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cmd
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}
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#[cfg(windows)]
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pub fn env_cmd() -> Command {
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let mut cmd = Command::new("cmd");
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cmd.arg("/c").arg("set");
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cmd
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}
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fn main() {
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// save original environment
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let old_env = env::var_os("RUN_TEST_NEW_ENV");
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env::set_var("RUN_TEST_NEW_ENV", "123");
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// create filtered environment vector
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let filtered_env : Vec<(String, String)> =
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env::vars().filter(|&(ref k, _)| k == "PATH").collect();
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let mut cmd = env_cmd()
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.env_clear()
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.envs(&filtered_env);
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// restore original environment
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match old_env {
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None => env::remove_var("RUN_TEST_NEW_ENV"),
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Some(val) => env::set_var("RUN_TEST_NEW_ENV", &val)
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}
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let prog = cmd.spawn().unwrap();
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let result = prog.wait_with_output().unwrap();
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let output = String::from_utf8_lossy(&result.stdout);
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assert!(!output.contains("RUN_TEST_NEW_ENV"),
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"found RUN_TEST_NEW_ENV inside of:\n\n{}", output);
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}
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