test(cmd/gnoland): add test to ensure to not import tests/stdlibs (#3589

)

Fixes #3585

gno.land/cmd/gnoland/imports_test.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"os/exec"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNoTestingStdlibImport(t *testing.T) {
+	// See: https://github.com/gnolang/gno/issues/3585
+	// The gno.land binary should not import testing stdlibs, which contain unsafe
+	// code in the respective native bindings.
+
+	res, err := exec.Command("go", "list", "-f", `{{ join .Deps "\n" }}`, ".").CombinedOutput()
+	require.NoError(t, err)
+	assert.Contains(t, string(res), "github.com/gnolang/gno/gnovm/stdlibs\n", "should contain normal stdlibs")
+	assert.NotContains(t, string(res), "github.com/gnolang/gno/gnovm/tests/stdlibs\n", "should not contain test stdlibs")
+}