add rsyslog tests

reasonable test of reworked rsyslog module

1 files changed, 113 insertions, 0 deletions

diff --git a/tests/unittests/test_handler/test_handler_rsyslog.py b/tests/unittests/test_handler/test_handler_rsyslog.py
new file mode 100644
index 00000000..3501ff95
--- /dev/null
+++ b/tests/unittests/test_handler/test_handler_rsyslog.py
@@ -0,0 +1,113 @@
+import os
+import shutil
+import tempfile
+
+from cloudinit.config.cc_rsyslog import (
+    load_config, DEF_FILENAME, DEF_DIR, DEF_RELOAD, apply_rsyslog_changes)
+from cloudinit import util
+
+from .. import helpers as t_help
+
+
+class TestLoadConfig(t_help.TestCase):
+    def setUp(self):
+        super(TestLoadConfig, self).setUp()
+        self.basecfg = {
+            'config_filename': DEF_FILENAME,
+            'config_dir': DEF_DIR,
+            'service_reload_command': DEF_RELOAD,
+            'configs': [],
+        }
+
+    def test_legacy_full(self):
+        found = load_config({
+            'rsyslog': ['*.* @192.168.1.1'],
+            'rsyslog_dir': "mydir",
+            'rsyslog_filename': "myfilename"})
+        expected = {
+            'configs': ['*.* @192.168.1.1'],
+            'config_dir': "mydir",
+            'config_filename': 'myfilename',
+            'service_reload_command': 'auto'}
+        self.assertEqual(found, expected)
+
+    def test_legacy_defaults(self):
+        found = load_config({
+            'rsyslog': ['*.* @192.168.1.1']})
+        self.basecfg.update({
+            'configs': ['*.* @192.168.1.1']})
+        self.assertEqual(found, self.basecfg)
+
+    def test_new_defaults(self):
+        self.assertEqual(load_config({}), self.basecfg)
+
+    def test_new_configs(self):
+        cfgs = ['*.* myhost', '*.* my2host']
+        self.basecfg.update({'configs': cfgs})
+        self.assertEqual(
+            load_config({'rsyslog': {'configs': cfgs}}),
+            self.basecfg)
+
+
+class TestApplyChanges(t_help.TestCase):
+    def setUp(self):
+        self.tmp = tempfile.mkdtemp()
+        self.addCleanup(shutil.rmtree, self.tmp)
+
+    def test_simple(self):
+        cfgline = "*.* foohost"
+        changed = apply_rsyslog_changes(
+            configs=[cfgline], def_fname="foo.cfg", cfg_dir=self.tmp)
+
+        fname = os.path.join(self.tmp, "foo.cfg")
+        self.assertEqual([fname], changed)
+        self.assertEqual(
+            util.load_file(fname), cfgline + "\n")
+
+    def test_multiple_files(self):
+        configs = [
+            '*.* foohost',
+            {'content': 'abc', 'filename': 'my.cfg'},
+            {'content': 'filefoo-content',
+             'filename': os.path.join(self.tmp, 'mydir/mycfg')},
+        ]
+
+        changed = apply_rsyslog_changes(
+            configs=configs, def_fname="default.cfg", cfg_dir=self.tmp)
+
+        expected = [
+           (os.path.join(self.tmp, "default.cfg"),
+            "*.* foohost\n"),
+           (os.path.join(self.tmp, "my.cfg"), "abc\n"),
+           (os.path.join(self.tmp, "mydir/mycfg"), "filefoo-content\n"),
+        ]
+        self.assertEqual([f[0] for f in expected], changed)
+        actual = []
+        for fname, _content in expected:
+            util.load_file(fname)
+            actual.append((fname, util.load_file(fname),))
+        self.assertEqual(expected, actual)
+
+    def test_repeat_def(self):
+        configs = ['*.* foohost', "*.warn otherhost"]
+
+        changed = apply_rsyslog_changes(
+            configs=configs, def_fname="default.cfg", cfg_dir=self.tmp)
+
+        fname = os.path.join(self.tmp, "default.cfg")
+        self.assertEqual([fname], changed)
+
+        expected_content = '\n'.join([c for c in configs]) + '\n'
+        found_content = util.load_file(fname)
+        self.assertEqual(expected_content, found_content)
+
+    def test_multiline_content(self):
+        configs = ['line1', 'line2\nline3\n']
+
+        changed = apply_rsyslog_changes(
+            configs=configs, def_fname="default.cfg", cfg_dir=self.tmp)
+
+        fname = os.path.join(self.tmp, "default.cfg")
+        expected_content = '\n'.join([c for c in configs]) + '\n'
+        found_content = util.load_file(fname)
+        self.assertEqual(expected_content, found_content)