Full rewrite

tests/test_install.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# https://github.com/pgrange/bash_unit
+#
+#     assert "test -e /tmp/the_file"
+#     assert_fails "grep this /tmp/the_file" "should not write 'this' in /tmp/the_file"
+#     assert_status_code 25 code # 127: command not found; 126: command not executable
+#     assert_equals "a string" "another string" "a string should be another string"
+#     assert_not_equals "a string" "a string" "a string should be different from another string"
+#     fake ps echo hello world
+
+src_file="../install.sh"
+
+test_script_execution_should_return_expected_status_code() {
+    # script should be run with root privileges
+    assert_status_code 1 "${src_file}"
+}