bsd: upgrade support (#305)

Implement the upgrade support:

- FreeBSD: using `pkg upgrade`
- NetBSD: with `pkgin`

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/unittests/test_distros/test_netbsd.py b/tests/unittests/test_distros/test_netbsd.py
new file mode 100644
index 00000000..11a68d2a
--- /dev/null
+++ b/tests/unittests/test_distros/test_netbsd.py
@@ -0,0 +1,17 @@
+import cloudinit.distros.netbsd
+
+import pytest
+import unittest.mock as mock
+
+
+@pytest.mark.parametrize('with_pkgin', (True, False))
+@mock.patch("cloudinit.distros.netbsd.os")
+def test_init(m_os, with_pkgin):
+    print(with_pkgin)
+    m_os.path.exists.return_value = with_pkgin
+    cfg = {}
+
+    distro = cloudinit.distros.netbsd.NetBSD("netbsd", cfg, None)
+    expectation = ['pkgin', '-y', 'full-upgrade'] if with_pkgin else None
+    assert distro.pkg_cmd_upgrade_prefix == expectation
+    assert [mock.call('/usr/pkg/bin/pkgin')] == m_os.path.exists.call_args_list