1 files changed, 124 insertions, 0 deletions
diff --git a/tests/test_process.py b/tests/test_process.py
new file mode 100644
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+++ b/tests/test_process.py
@@ -0,0 +1,124 @@
+# vim: set fileencoding=utf-8 :
+# (C) 2014 Guido Günther <agx@sigxcpu.org>
+#    This program is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    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, write to the Free Software
+#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+"""Test L{whatmaps.process} config"""
+
+import os
+import sys
+import unittest
+import random
+
+from whatmaps.process import Process
+
+from . import context
+
+class TestWhatmapsProcess(unittest.TestCase):
+    def setUp(self):
+        self.tmpdir = context.new_tmpdir(__name__)
+        self.procfs = str(self.tmpdir)
+        self.pid = random.randint(1, 65535)
+        self.piddir = os.path.join(self.procfs, str(self.pid))
+        os.mkdir(self.piddir)
+        self.exe = os.path.join(self.piddir, 'exe')
+        self.cmdline = os.path.join(self.piddir, 'cmdline')
+        self.maps = os.path.join(self.piddir, 'maps')
+        self._write_cmdline('doesnotmatter') # Write at least an empty cmdline
+        self._write_exe_symlink('acommand')
+        self._write_maps([['f32b43221000-7f32b4522000',
+                           '---p',
+                           '00020000',
+                           'fe:02',
+                           '1704011',
+                           '/lib/x86_64-linux-gnu/libselinux.so.1'],
+                          ['7f32b4521000-7f32b4623000',
+                           'r--p',
+                           '00020000',
+                           'fe:02',
+                           '1704011',
+                           '/lib/x86_64-linux-gnu/libselinux.so.1'],
+                      ])
+
+    def _write_exe_symlink(self, name):
+        exe = os.path.join(str(self.tmpdir), name)
+        os.symlink(exe, self.exe)
+
+    def _write_cmdline(self, text=''):
+        f = open(self.cmdline, 'w')
+        f.write(text)
+        f.close()
+
+    def _write_maps(self, data):
+        f = open(self.maps, 'w')
+        f.write('\n'.join([' '.join(r) for r in data]))
+        f.close()
+
+    def test_nonexistent(self):
+        """No exe link should create an 'empty' object"""
+        os.unlink(self.exe)
+        p = Process(self.pid, self.procfs)
+        self.assertIsNone(p.exe)
+        self.assertIsNone(p.cmdline)
+
+    def test_deleted(self):
+        """Handle symlink to deleted binaries"""
+        exe = '/does/not/matter'
+        os.unlink(self.exe)
+        os.symlink(os.path.join(self.piddir, '%s (deleted)' % exe),
+                   self.exe)
+
+        p = Process(self.pid, procfs=self.procfs)
+        self.assertEqual(p.exe, exe)
+        self.assertTrue(p.deleted, True)
+        self.assertEqual(p.cmdline, 'doesnotmatter')
+
+    def test_existing(self):
+        p = Process(self.pid, procfs=self.procfs)
+        exe = os.path.join(str(self.tmpdir), 'acommand')
+        self.assertEqual(p.exe, exe)
+        self.assertEqual(p.cmdline, 'doesnotmatter')
+        self.assertFalse(p.deleted)
+        self.assertEqual(str(p),
+                         "<Process object pid:%d>" % self.pid)
+
+    def test_maps(self):
+        """Check whether the process maps a shared object at path"""
+        p = Process(self.pid, procfs=self.procfs)
+        self.assertFalse(p.maps('/does/not/exist'))
+        self.assertTrue(p.maps('/lib/x86_64-linux-gnu/libselinux.so.1'))
+
+    def test_no_maps(self):
+        """Check if we don't fail if the process went away"""
+        os.unlink(self.maps)
+        p = Process(self.pid, procfs=self.procfs)
+        self.assertFalse(p.maps('/does/not/exist'))
+        self.assertFalse(p.maps('/lib/x86_64-linux-gnu/libselinux.so.1'))
+
+    def test_broken_maps(self):
+        """Continue on unparseable map file"""
+        # Provoke index error by to few items in line
+        self._write_maps([['do', 'few', 'items']])
+        p = Process(self.pid, procfs=self.procfs)
+        self.assertFalse(p.maps('/does/not/exist'))
+        self.assertFalse(p.maps('/lib/x86_64-linux-gnu/libselinux.so.1'))
+
+    @unittest.skipIf(os.getuid() == 0, "Skip if root")
+    def test_broken_unreadable_map(self):
+        """Raise error if map file is unreadable"""
+        os.chmod(self.maps, 0)
+        p = Process(self.pid, procfs=self.procfs)
+        self.assertRaises(IOError, p.maps, '/does/not/exist')
+
+    def tearDown(self):
+        context.teardown()