add a test for the hostname parameter

1 files changed, 6 insertions, 0 deletions

diff --git a/test/problem-7.bats b/test/problem-7.bats
index 57d657a..6b5e193 100644
--- a/test/problem-7.bats
+++ b/test/problem-7.bats
@@ -13,3 +13,9 @@ load test_helper
 
   assert_success "unknown is NOT on the network"
 }
+
+@test "invoke without a hostname argument" {
+  run problem-7.sh
+
+  assert_failure "error: a hostname is required"
+}