1 files changed, 45 insertions, 0 deletions
diff --git a/toolkit/crashreporter/client/app/src/std/env.rs b/toolkit/crashreporter/client/app/src/std/env.rs
new file mode 100644
index 0000000000..edc22ded8d
--- /dev/null
+++ b/toolkit/crashreporter/client/app/src/std/env.rs
@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use super::mock::{mock_key, MockKey};
+pub use std::env::VarError;
+use std::ffi::{OsStr, OsString};
+
+mock_key! {
+    pub struct MockCurrentExe => std::path::PathBuf
+}
+
+pub struct ArgsOs {
+    argv0: Option<OsString>,
+}
+
+impl Iterator for ArgsOs {
+    type Item = OsString;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        Some(
+            self.argv0
+                .take()
+                .expect("only argv[0] is available when mocked"),
+        )
+    }
+}
+
+pub fn var<K: AsRef<OsStr>>(_key: K) -> Result<String, VarError> {
+    unimplemented!("no var access in tests")
+}
+
+pub fn var_os<K: AsRef<OsStr>>(_key: K) -> Option<OsString> {
+    unimplemented!("no var access in tests")
+}
+
+pub fn args_os() -> ArgsOs {
+    MockCurrentExe.get(|r| ArgsOs {
+        argv0: Some(r.clone().into()),
+    })
+}
+
+pub fn current_exe() -> std::io::Result<super::path::PathBuf> {
+    Ok(MockCurrentExe.get(|r| r.clone().into()))
+}