2 files changed, 58 insertions, 0 deletions
diff --git a/src/garage/tests/common/ext/mod.rs b/src/garage/tests/common/ext/mod.rs
new file mode 100644
index 00000000..6090dd96
--- /dev/null
+++ b/src/garage/tests/common/ext/mod.rs
@@ -0,0 +1,3 @@
+pub use process::*;
+
+mod process;
diff --git a/src/garage/tests/common/ext/process.rs b/src/garage/tests/common/ext/process.rs
new file mode 100644
index 00000000..ba533b6c
--- /dev/null
+++ b/src/garage/tests/common/ext/process.rs
@@ -0,0 +1,55 @@
+use std::process;
+
+pub trait CommandExt {
+	fn quiet(&mut self) -> &mut Self;
+
+	fn expect_success_status(&mut self, msg: &str) -> process::ExitStatus;
+	fn expect_success_output(&mut self, msg: &str) -> process::Output;
+}
+
+impl CommandExt for process::Command {
+	fn quiet(&mut self) -> &mut Self {
+		self.stdout(process::Stdio::null())
+			.stderr(process::Stdio::null())
+	}
+
+	fn expect_success_status(&mut self, msg: &str) -> process::ExitStatus {
+		let status = self.status().expect(msg);
+		status.expect_success(msg);
+		status
+	}
+	fn expect_success_output(&mut self, msg: &str) -> process::Output {
+		let output = self.output().expect(msg);
+		output.expect_success(msg);
+		output
+	}
+}
+
+pub trait OutputExt {
+	fn expect_success(&self, msg: &str);
+}
+
+impl OutputExt for process::Output {
+	fn expect_success(&self, msg: &str) {
+		self.status.expect_success(msg)
+	}
+}
+
+pub trait ExitStatusExt {
+	fn expect_success(&self, msg: &str);
+}
+
+impl ExitStatusExt for process::ExitStatus {
+	fn expect_success(&self, msg: &str) {
+		if !self.success() {
+			match self.code() {
+				Some(code) => panic!(
+					"Command exited with code {code}: {msg}",
+					code = code,
+					msg = msg
+				),
+				None => panic!("Command exited with signal: {msg}", msg = msg),
+			}
+		}
+	}
+}