4 files changed, 50 insertions, 4 deletions

diff --git a/mat-cli b/mat-cli
index 00c5c11..253ea96 100755
--- a/mat-cli
+++ b/mat-cli
@@ -152,8 +152,10 @@ def main():
     for filename in filenames:
         class_file = mat.create_class_file(filename, args.backup,
             args.add2archive)
-        if class_file is not None:
+        if class_file is not False:
             func(class_file, filename, args.force)
+        else:
+            print('Unable to process %s' % filename)
 
 if __name__ == '__main__':
     main()
diff --git a/mat/mat.py b/mat/mat.py
index dfd4c12..0c3f050 100644
--- a/mat/mat.py
+++ b/mat/mat.py
@@ -108,7 +108,17 @@ def create_class_file(name, backup, add2archive):
     if not os.path.isfile(name):
         # check if the file exists
         logging.error('%s is not a valid file' % name)
-        return
+        return False
+
+    if not os.access(name, os.R_OK):
+        #check read permissions
+        logging.error('%s is is not readable' % name)
+        return False
+
+    if not os.access(name, os.W_OK):
+        #check write permission
+        logging.error('%s is not writtable' % name)
+        return False
 
     filename = ''
     try:
@@ -119,7 +129,7 @@ def create_class_file(name, backup, add2archive):
     parser = hachoir_parser.createParser(filename)
     if not parser:
         logging.info('Unable to parse %s' % filename)
-        return
+        return False
 
     mime = parser.mime_type
 
@@ -135,6 +145,6 @@ def create_class_file(name, backup, add2archive):
         stripper_class = strippers.STRIPPERS[mime]
     except KeyError:
         logging.info('Don\'t have stripper for %s format' % mime)
-        return
+        return False
 
     return stripper_class(filename, parser, mime, backup, add2archive)
diff --git a/test/clitest.py b/test/clitest.py
index cb615ce..db54843 100644
--- a/test/clitest.py
+++ b/test/clitest.py
@@ -72,6 +72,27 @@ class TestisCleancli(test.MATTest):
             stdout, _ = proc.communicate()
             self.assertEqual(stdout.strip('\n'), '[+] %s is not clean' % dirty)
 
+class TestFileAttributes(unittest.TestCase):
+    '''
+        test various stuffs about files (readable, writable, exist, ...)
+    '''
+    def test_not_readable(self):
+        proc = subprocess.Popen(['../mat-cli', 'not_readable'],
+            stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertEqual(stdout.strip('\n'), 'Unable to pocess  %s' % 'not_readable')
+
+    def test_not_writtable(self):
+        proc = subprocess.Popen(['../mat-cli', 'not_writtable'],
+            stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertEqual(stdout.strip('\n'), 'Unable to pocess  %s' % 'not_writtable')
+
+    def test_not_exist(self):
+        proc = subprocess.Popen(['../mat-cli', 'ilikecookies'],
+            stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertEqual(stdout.strip('\n'), 'Unable to pocess  %s' % 'ilikecookies')
 
 if __name__ == '__main__':
     suite = unittest.TestSuite()
diff --git a/test/libtest.py b/test/libtest.py
index ecbc03e..0df584f 100644
--- a/test/libtest.py
+++ b/test/libtest.py
@@ -64,11 +64,24 @@ class TestisCleanlib(test.MATTest):
             current_file = mat.create_class_file(clean, False, True)
             self.assertTrue(current_file.is_clean())
 
+class TestFileAttributes(unittest.TestCase):
+    '''
+        test various stuffs about files (readable, writable, exist, ...)
+    '''
+    def test_not_readable(self):
+        self.assertFalse(mat.create_class_file('not_readable', False, True))
+
+    def test_not_writtable(self):
+        self.assertFalse(mat.create_class_file('not_writtable', False, True))
+
+    def test_not_exist(self):
+        self.assertFalse(mat.create_class_file('ilikecookies', False, True))
 
 if __name__ == '__main__':
     Suite = unittest.TestSuite()
     Suite.addTest(unittest.makeSuite(TestRemovelib))
     Suite.addTest(unittest.makeSuite(TestListlib))
     Suite.addTest(unittest.makeSuite(TestisCleanlib))
+    Suite.addTest(unittest.makeSuite(TestFileAttributes))
     unittest.TextTestRunner(verbosity=test.VERBOSITY).run(Suite)