[tests] Tests for command validation and execution

Checks if arguments validation occurs properly and command execution
brings back status code and stdout or stderr on some scenarios.

1 files changed, 53 insertions, 0 deletions

diff --git a/common/src/leap/soledad/common/tests/test_command.py b/common/src/leap/soledad/common/tests/test_command.py
new file mode 100644
index 00000000..af4903eb
--- /dev/null
+++ b/common/src/leap/soledad/common/tests/test_command.py
@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+# test_command.py
+# Copyright (C) 2015 LEAP
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+"""
+Tests for command execution using a validator function for arguments.
+"""
+from twisted.trial import unittest
+from leap.soledad.common.command import exec_validated_cmd
+
+
+class ExecuteValidatedCommandTest(unittest.TestCase):
+
+    def test_argument_validation(self):
+        validator = lambda arg: True if arg is 'valid' else False
+        status, out = exec_validated_cmd("command", "invalid arg", validator)
+        self.assertEquals(status, 1)
+        self.assertEquals(out, "invalid argument")
+        status, out = exec_validated_cmd("echo", "valid", validator)
+        self.assertEquals(status, 0)
+        self.assertEquals(out, "valid\n")
+
+    def test_return_status_code_success(self):
+        status, out = exec_validated_cmd("echo", "arg")
+        self.assertEquals(status, 0)
+        self.assertEquals(out, "arg\n")
+
+    def test_handle_command_with_spaces(self):
+        status, out = exec_validated_cmd("echo I am", "an argument")
+        self.assertEquals(status, 0, out)
+        self.assertEquals(out, "I am an argument\n")
+
+    def test_handle_oserror_on_invalid_command(self):
+        status, out = exec_validated_cmd("inexistent command with", "args")
+        self.assertEquals(status, 1)
+        self.assertIn("No such file or directory", out)
+
+    def test_return_status_code_number_on_failure(self):
+        status, out = exec_validated_cmd("ls", "user-bebacafe")
+        self.assertEquals(status, 2)
+        self.assertIn('ls: cannot access user-bebacafe: No such file or directory\n', out)