Reorganize unit test locations under tests/unittests (#1126)

This attempts to standardize unit test file location under test/unittests/
such that any source file located at cloudinit/path/to/file.py may have a
corresponding unit test file at test/unittests/path/to/test_file.py.

Noteworthy Comments:
====================
Four different duplicate test files existed:
test_{gpg,util,cc_mounts,cc_resolv_conf}.py
Each of these duplicate file pairs has been merged together. This is a
break in git history for these files.

The test suite appears to have a dependency on test order. Changing test
order causes some tests to fail. This should be rectified, but for now
some tests have been modified in
tests/unittests/config/test_set_passwords.py.

A helper class name starts with "Test" which causes pytest to try
executing it as a test case, which then throws warnings "due to Class
having __init__()".  Silence by changing the name of the class.

# helpers.py is imported in many test files, import paths change
cloudinit/tests/helpers.py -> tests/unittests/helpers.py

# Move directories:
cloudinit/distros/tests -> tests/unittests/distros
cloudinit/cmd/devel/tests -> tests/unittests/cmd/devel
cloudinit/cmd/tests -> tests/unittests/cmd/
cloudinit/sources/helpers/tests -> tests/unittests/sources/helpers
cloudinit/sources/tests -> tests/unittests/sources
cloudinit/net/tests -> tests/unittests/net
cloudinit/config/tests -> tests/unittests/config
cloudinit/analyze/tests/ -> tests/unittests/analyze/

# Standardize tests already in tests/unittests/
test_datasource -> sources
test_distros -> distros
test_vmware -> sources/vmware
test_handler -> config        # this contains cloudconfig module tests
test_runs -> runs

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/unittests/distros/test_freebsd.py b/tests/unittests/distros/test_freebsd.py
new file mode 100644
index 00000000..0279e86f
--- /dev/null
+++ b/tests/unittests/distros/test_freebsd.py
@@ -0,0 +1,45 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+
+from cloudinit.util import (find_freebsd_part, get_path_dev_freebsd)
+from tests.unittests.helpers import (CiTestCase, mock)
+
+import os
+
+
+class TestDeviceLookUp(CiTestCase):
+
+    @mock.patch('cloudinit.subp.subp')
+    def test_find_freebsd_part_label(self, mock_subp):
+        glabel_out = '''
+gptid/fa52d426-c337-11e6-8911-00155d4c5e47  N/A  da0p1
+                              label/rootfs  N/A  da0p2
+                                label/swap  N/A  da0p3
+'''
+        mock_subp.return_value = (glabel_out, "")
+        res = find_freebsd_part("/dev/label/rootfs")
+        self.assertEqual("da0p2", res)
+
+    @mock.patch('cloudinit.subp.subp')
+    def test_find_freebsd_part_gpt(self, mock_subp):
+        glabel_out = '''
+                                gpt/bootfs  N/A  vtbd0p1
+gptid/3f4cbe26-75da-11e8-a8f2-002590ec6166  N/A  vtbd0p1
+                                gpt/swapfs  N/A  vtbd0p2
+                                gpt/rootfs  N/A  vtbd0p3
+                            iso9660/cidata  N/A  vtbd2
+'''
+        mock_subp.return_value = (glabel_out, "")
+        res = find_freebsd_part("/dev/gpt/rootfs")
+        self.assertEqual("vtbd0p3", res)
+
+    def test_get_path_dev_freebsd_label(self):
+        mnt_list = '''
+/dev/label/rootfs  /                ufs     rw              1 1
+devfs              /dev             devfs   rw,multilabel   0 0
+fdescfs            /dev/fd          fdescfs rw              0 0
+/dev/da1s1         /mnt/resource    ufs     rw              2 2
+'''
+        with mock.patch.object(os.path, 'exists',
+                               return_value=True):
+            res = get_path_dev_freebsd('/etc', mnt_list)
+            self.assertIsNotNone(res)