Added a test for the exec script check

client/driver/executor/checks_linux.go

@@ -10,7 +10,7 @@ func (e *ExecScriptCheck) setChroot(cmd *exec.Cmd) {
 		if cmd.SysProcAttr == nil {
 			cmd.SysProcAttr = &syscall.SysProcAttr{}
 		}
+		cmd.SysProcAttr.Chroot = e.taskDir
 	}
-	cmd.SysProcAttr.Chroot = e.taskDir
 	cmd.Dir = "/"
 }

client/driver/executor/checks_test.go

@@ -0,0 +1,30 @@
+package executor
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestExecScriptCheckNoIsolation(t *testing.T) {
+	check := &ExecScriptCheck{
+		id:          "foo",
+		cmd:         "/bin/echo",
+		args:        []string{"hello", "world"},
+		taskDir:     "/tmp",
+		FSIsolation: false,
+	}
+
+	res := check.Run()
+	expectedOutput := "hello world"
+	expectedExitCode := 0
+	if res.Err != nil {
+		t.Fatalf("err: %v", res.Err)
+	}
+	if strings.TrimSpace(res.Output) != expectedOutput {
+		t.Fatalf("output expected: %v, actual: %v", expectedOutput, res.Output)
+	}
+
+	if res.ExitCode != expectedExitCode {
+		t.Fatalf("exitcode expected: %v, actual: %v", expectedExitCode, res.ExitCode)
+	}
+}