Better error handling in run_intermediate_command

src/benchmark/scheduler.rs

@@ -24,7 +24,7 @@ use crate::util::exit_code::extract_exit_code;
 use crate::util::min_max::{max, min};
 use crate::util::units::Second;
 
-use anyhow::{bail, Result};
+use anyhow::{anyhow, bail, Result};
 
 /////////////// TODO: refactor the following part
 
@@ -241,17 +241,15 @@ impl<'a> Scheduler<'a> {
         command: &Command<'_>,
         error_output: &'static str,
     ) -> Result<TimingResult> {
-        let res = time_shell_command(
+        time_shell_command(
             &self.options.shell,
             command,
             self.options.command_output_policy,
             CmdFailureAction::RaiseError,
             None,
-        );
+        )
-        if res.is_err() {
+        .map(|r| r.0)
-            bail!(error_output);
+        .map_err(|_| anyhow!(error_output))
-        }
-        return res.map(|r| r.0);
     }
 
     /// Run the command specified by `--setup`.

tests/integration_tests.rs

@@ -83,6 +83,42 @@ fn fails_for_unknown_command() {
         ));
 }
 
+#[test]
+fn fails_for_unknown_setup_command() {
+    hyperfine()
+        .arg("--setup=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
+        .arg("echo test")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "The setup command terminated with a non-zero exit code.",
+        ));
+}
+
+#[test]
+fn fails_for_unknown_cleanup_command() {
+    hyperfine()
+        .arg("--cleanup=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
+        .arg("echo test")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "The cleanup command terminated with a non-zero exit code.",
+        ));
+}
+
+#[test]
+fn fails_for_unknown_prepare_command() {
+    hyperfine()
+        .arg("--prepare=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
+        .arg("echo test")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "The preparation command terminated with a non-zero exit code.",
+        ));
+}
+
 #[cfg(unix)]
 #[test]
 fn can_run_failing_commands_with_ignore_failure_option() {