Merge with lp:~soren/ec2-init/appliancexml

This gives us the bulk of the magic needed on the instance side
to implement http://wiki.ubuntu.com/VirtualApplianceSpec

1 files changed, 134 insertions, 0 deletions

diff --git a/tests.py b/tests.py
new file mode 100644
index 00000000..84103745
--- /dev/null
+++ b/tests.py
@@ -0,0 +1,134 @@
+#!/usr/bin/python
+#
+#    Unit tests for EC2-init
+#    Copyright (C) 2008-2009 Canonical Ltd.
+#
+#    Author: Soren Hansen <soren@canonical.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License version 3, as
+#    published by the Free Software Foundation.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import re
+import os
+import unittest
+
+class RunUserDataApplianceTestCase(unittest.TestCase):
+    def handle_xml(self, xml):
+        msg = self.ec2_run_user_data.parse_user_data(xml)
+        self.ec2_run_user_data.handle_part(msg)
+
+class RunUserDataApplianceConfigEBS(RunUserDataApplianceTestCase):
+    def setUp(self):
+        self.ec2_run_user_data = __import__('ec2-run-user-data')
+        reload(self.ec2_run_user_data) 
+        self.real_mount_ebs_volume = self.ec2_run_user_data.mount_ebs_volume
+        self.ec2_run_user_data.mount_ebs_volume  = self.fake_mount_ebs_volume
+    
+    def fake_mount_ebs_volume(self, device, paths):
+        self.assertEqual(device, '/dev/sdc')
+        self.assertEqual(paths, ['/etc/alfresco', '/var/lib/mysql'])
+
+    def testApplianceConfigEBS(self):
+        os.environ['EBSMOUNT_DEBUG'] = 'yes, please'
+        xml = '<appliance><storage device="/dev/sdc"><path>/etc/alfresco</path><path>/var/lib/mysql</path></storage></appliance>'
+        self.handle_xml(xml)
+
+    def testMountEBSVolume(self):
+        output = self.real_mount_ebs_volume('/dev/sdh', ['/foo', '/bar'])
+        lines = output.strip().split('\n')
+        self.assertEqual(len(lines), 11)
+        match = re.match('mount /dev/sdh (/var/run/ec2-init/tmp.[a-zA-Z0-9]+)', lines[0])
+        self.assertNotEqual(match, None)
+        tmpdir = match.group(1)
+        for (i, s) in zip(range(10), ['mkdir %s/_foo', 'cp -a /foo %s/_foo', 'chown --reference /foo %s/_foo', 'chmod --reference /foo %s/_foo', 'mount --bind %s/_foo /foo', 'mkdir %s/_bar', 'cp -a /bar %s/_bar', 'chown --reference /bar %s/_bar', 'chmod --reference /bar %s/_bar', 'mount --bind %s/_bar /bar']):
+            self.assertEqual(s % tmpdir, lines[i+1])
+
+class RunUserDataApplianceConfigScript(RunUserDataApplianceTestCase):
+    def setUp(self):
+        self.ec2_run_user_data = __import__('ec2-run-user-data')
+        self.fake_handle_shell_script_counter = 0
+        self.expected_scripts = []
+        # Override install_remove_package 
+        self.ec2_run_user_data.content_type_handlers['text/x-shellscript'] = self.fake_handle_shell_script
+
+    def fake_handle_shell_script(self, txt):
+        self.fake_handle_shell_script_counter += 1
+        self.assertEqual(self.expected_scripts.pop(0), txt)
+
+    def handle_xml(self, xml):
+        msg = self.ec2_run_user_data.parse_user_data(xml)
+        self.ec2_run_user_data.handle_part(msg)
+
+    def testApplianceConfigPackageScriptSingle(self):
+        script = '''#!/bin/sh
+echo hey'''
+        xml = '<appliance><script>%s</script></appliance>' % script
+        self.expected_scripts += [script]
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_handle_shell_script_counter, 1) 
+
+    def testApplianceConfigPackageScriptMultiple(self):
+        script1 = '''#!/bin/sh
+echo hey'''
+        script2 = '''#!/usr/bin/python
+print "hey"'''
+        xml = '<appliance><script>%s</script><script>%s</script></appliance>' % (script1, script2)
+        self.expected_scripts += [script1, script2]
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_handle_shell_script_counter, 2) 
+
+    def testApplianceConfigPackageScriptCDATA(self):
+        script = '''#!/bin/sh
+echo hey'''
+        xml = '<appliance><script><![CDATA[%s]]></script></appliance>' % (script, )
+        self.expected_scripts += [script]
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_handle_shell_script_counter, 1) 
+
+class RunUserDataApplianceConfigPackageHandling(RunUserDataApplianceTestCase):
+    def setUp(self):
+        self.fake_install_remove_package_counter = 0
+
+        self.ec2_run_user_data = __import__('ec2-run-user-data')
+
+        # Override install_remove_package 
+        self.ec2_run_user_data.install_remove_package = self.fake_install_remove_package
+
+    def fake_install_remove_package(self, package, action):
+        self.fake_install_remove_package_counter += 1
+        mapping = { 'foobarplus': 'install',
+                    'foobarminus': 'remove' }
+        self.assert_(package in mapping)
+        self.assertEqual(action, mapping[package])
+
+    def handle_xml(self, xml):
+        msg = self.ec2_run_user_data.parse_user_data(xml)
+        self.ec2_run_user_data.handle_part(msg)
+
+    def testApplianceConfigPackageInstall(self):
+        xml = '<appliance><package>foobarplus</package></appliance>'
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_install_remove_package_counter, 1) 
+
+    def testApplianceConfigPackageRemove(self):
+        xml = '<appliance><package action="remove">foobarminus</package></appliance>'
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_install_remove_package_counter, 1) 
+
+    def testApplianceConfigPackageInstallAndRemove(self):
+        xml = '<appliance><package>foobarplus</package><package action="remove">foobarminus</package></appliance>'
+        self.handle_xml(xml)
+        self.assertEqual(self.fake_install_remove_package_counter, 2) 
+
+if __name__ == "__main__":
+    unittest.main()