From 2ad9f2c32c4ade313dbefb96235939ad393f5420 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 5 Jun 2011 17:35:28 +0100
Subject: Rough first draft of a systest tool.

---
 systest | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100755 systest

(limited to 'systest')

diff --git a/systest b/systest
new file mode 100755
index 0000000..2b2af1b
--- /dev/null
+++ b/systest
@@ -0,0 +1,116 @@
+#!/usr/bin/python
+
+import cliapp
+import re
+import subprocess
+
+
+class AssertionFailure(cliapp.AppException):
+
+    def __init__(self, msg):
+        self._str = msg
+        
+    def __str__(self):
+        return self._str
+
+
+class SystemTest(cliapp.Application):
+
+    def add_settings(self):
+        self.settings.boolean(['verbose', 'v'], 
+                              'print names of tests when run')
+        self.settings.string(['target'], 'target domain name or IP address')
+        self.settings.string(['user'], 'user on target')
+        self.settings.string(['user-password'], 'password for target user')
+
+    def process_args(self, args):
+        if args:
+            self.execute_tests(args)
+        else:
+            self.execute_tests(self.list_tests())
+
+    def execute_tests(self, testnames):
+        for i, testname in enumerate(testnames):
+            methodname = self.mangle(testname)
+            if hasattr(self, methodname):
+                if self.settings['verbose']:
+                    self.output.write('test %d/%d: %s\n' % 
+                                      (i+1, len(testnames), testname))
+                getattr(self, methodname)()
+            else:
+                raise cliapp.AppException('unknown test: %s' % testname)
+
+    def list_tests(self):
+        return [self.unmangle(x) for x in dir(self) if x.startswith('test')]
+
+    def mangle(self, testname):
+        return 'test_' + testname.replace('-', '_')
+    
+    def unmangle(self, methodname):
+        assert methodname.startswith('test_')
+        methodname = methodname[len('test_'):]
+        return methodname.replace('_', '-')
+
+    def hostcmd(self, argv, stdin=None):
+        p = subprocess.Popen(argv, stdout=subprocess.PIPE, 
+                             stderr=subprocess.PIPE)
+        out, err = p.communicate(stdin)
+        if p.returncode:
+            raise cliapp.AppException('host command failed: %s\n%s' %
+                                       (' '.join(argv), err))
+        return out
+
+    def targetcmd(self, argv, *args, **kwargs):
+        return self.hostcmd(['ssh', '-l', self.settings['user'],
+                              self.settings['target']] + argv,
+                             *args, **kwargs)
+
+    def assert_(self, cond, automsg=None, msg=None):
+        if not cond:
+            output = 'Assertion failed:'
+            if automsg is None:
+                output += ' ' + repr(cond)
+            else:
+                output += ' ' + automsg
+            if msg is not None:
+                output += ' ' + msg
+            raise AssertionFailure(output)
+
+    def assertEqual(self, v1, v2, msg=None):
+        self.assert_(v1 == v2, automsg='%s != %s' % (repr(v1), repr(v2)),
+                     msg=msg)
+
+    def assertMatches(self, pat, text, msg=None):
+        self.assert_(re.match(pat, text),
+                     automsg='pattern %s does not match %s' % (pat, text),
+                     msg=msg)
+
+    def test_only_listens_on_ssh_port_externally(self):
+        out = self.hostcmd(['nmap', self.settings['target']])
+        ports = [line.split()[0]
+                 for line in out.splitlines()
+                 if ' open ' in line]
+        self.assertEqual(ports, ['22/tcp'])
+
+    def test_ssh_login_works(self):
+        user = self.settings['user']
+        out = self.hostcmd(['ssh', '-l', user, self.settings['target'], 'id'])
+        self.assertMatches(r'^uid=1000\(%s\)' % user, out)
+
+    def test_manages_at_least_one_dns_lookup(self):
+        out = self.targetcmd(['host', 'www.debian.org'])
+        self.assert_('www.debian.org' in out)
+        
+    def test_pings_localhost(self):
+        self.targetcmd(['ping', '-c1', 'localhost'])
+        
+    def test_ping_localhost_using_ipv6(self):
+        self.targetcmd(['ping6', '-c1', 'ip6-localhost'])
+
+#    def test_sudo_works(self):
+#        out = self.targetcmd(['sudo', 'id'], stdin=self.password)
+#        self.assertMatches(r'^uid=0\(root\)', out)
+
+
+if __name__ == '__main__':
+    SystemTest().run()
-- 
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