Include cli tests stderr output

tests/golden_tests.rs

@@ -73,7 +73,7 @@ fn run_golden_test_dir_multiple(test_name: &str, run: &[&dyn Fn(&str, &Path) ->
 
   let walker = WalkDir::new(&root).sort_by_file_name().max_depth(2).into_iter().filter_entry(|e| {
     let path = e.path();
-    path == root || (path.is_file() && path.extension().is_some_and(|x| x == "hvm"))
+    path == root || path.is_dir() || (path.is_file() && path.extension().is_some_and(|x| x == "hvm"))
   });
 
   for entry in walker {
@@ -318,8 +318,9 @@ fn cli() {
     args_file.read_to_string(&mut args_buf).expect("Read args");
     let args = args_buf.lines();
 
-    let output = std::process::Command::new("cargo").arg("run").args(args).output().expect("Run process");
+    let output =
+      std::process::Command::new("cargo").arg("run").arg("-q").args(args).output().expect("Run process");
 
-    Ok(format!("{}", String::from_utf8_lossy(&output.stdout)))
+    Ok(format!("{}\n{}", String::from_utf8_lossy(&output.stderr), String::from_utf8_lossy(&output.stdout)))
   })
 }

tests/golden_tests/cli/compile_no_opts.args

@@ -0,0 +1,11 @@
+compile
+tests/golden_tests/cli/compile_no_opts.hvm
+-Ono-all
+-Ono-eta
+-Ono-prune
+-Ono-ref-to-ref
+-Ono-pre-reduce
+-Ono-float-combinators
+-Ono-simplify-main
+-Ono-merge
+-Ono-inline

tests/golden_tests/cli/compile_no_opts.hvm

@@ -0,0 +1 @@
+main = *

tests/golden_tests/cli/compile_wrong_opt.args

@@ -0,0 +1,3 @@
+compile
+tests/golden_tests/cli/compile_wrong_opt.hvm
+-Ofoo

tests/golden_tests/cli/compile_wrong_opt.hvm

@@ -0,0 +1 @@
+main = *

tests/snapshots/cli__compile_no_opts.hvm.snap

@@ -0,0 +1,5 @@
+---
+source: tests/golden_tests.rs
+input_file: tests/golden_tests/cli/compile_no_opts.hvm
+---
+@main = *

tests/snapshots/cli__compile_pre_reduce.hvm.snap

@@ -2,5 +2,8 @@
 source: tests/golden_tests.rs
 input_file: tests/golden_tests/cli/compile_pre_reduce.hvm
 ---
+Warnings:
+Unused definition 'I'.
+
 @I = #5
 @main = *

tests/snapshots/cli__compile_wrong_opt.hvm.snap

@@ -0,0 +1,10 @@
+---
+source: tests/golden_tests.rs
+input_file: tests/golden_tests/cli/compile_wrong_opt.hvm
+---
+error: invalid value 'foo' for '-O <COMP_OPTS>'
+  [possible values: all, no-all, eta, no-eta, prune, no-prune, ref-to-ref, no-ref-to-ref, pre-reduce, no-pre-reduce, linearize-matches, linearize-matches-extra, no-linearize-matches, float-combinators, no-float-combinators, simplify-main, no-simplify-main, merge, no-merge, inline, no-inline, adt-scott, adt-tagged-scott]
+
+  tip: a similar value exists: 'float-combinators'
+
+For more information, try '--help'.