feat(cargo-codspeed): add explicit mode with command when no benchmarks are found in run

Author: adriencaccia

crates/cargo-codspeed/src/run.rs

@@ -108,7 +108,7 @@ pub fn run_benches(
     let benches =
         package_filters.benches_to_run(metadata, bench_target_filters, codspeed_target_dir)?;
     if benches.is_empty() {
-        bail!("No benchmarks found. Run `cargo codspeed build` first.");
+        bail!("No benchmarks found for the {measurement_mode} mode. Run `cargo codspeed build -m {measurement_mode}` first.");
     }
 
     eprintln!("Collected {} benchmark suite(s) to run", benches.len());

crates/cargo-codspeed/tests/simple-bencher.rs

@@ -13,7 +13,7 @@ fn test_simple_run_without_build() {
         .arg("run")
         .assert()
         .failure()
-        .stderr(contains("Error: No benchmarks found."));
+        .stderr(contains("Error: No benchmarks found for the instrumentation mode. Run `cargo codspeed build -m instrumentation` first."));
     teardown(dir);
 }
 

crates/cargo-codspeed/tests/simple-criterion.rs

@@ -15,7 +15,7 @@ fn test_criterion_run_without_build() {
         .arg("run")
         .assert()
         .failure()
-        .stderr(contains("Error: No benchmarks found."));
+        .stderr(contains("Error: No benchmarks found for the instrumentation mode. Run `cargo codspeed build -m instrumentation` first."));
     teardown(dir);
 }
 

crates/cargo-codspeed/tests/simple-divan.rs

@@ -15,7 +15,7 @@ fn test_divan_run_without_build() {
         .arg("run")
         .assert()
         .failure()
-        .stderr(contains("Error: No benchmarks found."));
+        .stderr(contains("Error: No benchmarks found for the instrumentation mode. Run `cargo codspeed build -m instrumentation` first."));
     teardown(dir);
 }
 

crates/cargo-codspeed/tests/workspace.rs

@@ -12,7 +12,7 @@ fn test_workspace_run_without_build() {
         .arg("run")
         .assert()
         .failure()
-        .stderr(contains("Error: No benchmarks found."));
+        .stderr(contains("Error: No benchmarks found for the instrumentation mode. Run `cargo codspeed build -m instrumentation` first."));
     teardown(dir);
 }
 
@@ -62,7 +62,7 @@ fn test_workspace_build_subpackage_and_run_other() {
         .args(["--package", "package-b"])
         .assert()
         .failure()
-        .stderr(contains("Error: No benchmarks found."));
+        .stderr(contains("Error: No benchmarks found for the instrumentation mode. Run `cargo codspeed build -m instrumentation` first."));
     teardown(dir);
 }