Add tests for get/set options

tiran · encukou · commit 2aa8bca4aadc · 2017-12-04T13:36:02.000+01:00
Signed-off-by: Christian Heimes &lt;cheimes@redhat.com&gt;
diff --git a/Tests/__init__.py b/Tests/__init__.py
@@ -22,3 +22,4 @@
 from . import t_ldap_schema_subentry
 from . import t_untested_mods
 from . import t_ldap_controls_libldap
+from . import t_ldap_options
diff --git a/Tests/t_ldap_options.py b/Tests/t_ldap_options.py
@@ -0,0 +1,106 @@
+import os
+import unittest
+
+# Switch off processing .ldaprc or ldap.conf before importing _ldap
+os.environ['LDAPNOINIT'] = '1'
+
+import ldap
+from ldap.controls import RequestControlTuples
+from ldap.controls.pagedresults import SimplePagedResultsControl
+from ldap.controls.openldap import SearchNoOpControl
+from slapdtest import requires_tls
+
+
+SENTINEL = object()
+
+TEST_CTRL = RequestControlTuples([
+    # with BER data
+    SimplePagedResultsControl(criticality=0, size=5, cookie=b'cookie'),
+    # value-less
+    SearchNoOpControl(criticality=1),
+])
+TEST_CTRL_EXPECTED = [
+    TEST_CTRL[0],
+    # get_option returns empty bytes
+    (TEST_CTRL[1][0], TEST_CTRL[1][1], b''),
+]
+
+
+class TestGlobalOptions(unittest.TestCase):
+    def _check_option(self, option, value, expected=SENTINEL,
+                      nonevalue=None):
+        old = ldap.get_option(option)
+        try:
+            ldap.set_option(option, value)
+            new = ldap.get_option(option)
+            if expected is SENTINEL:
+                self.assertEqual(new, value)
+            else:
+                self.assertEqual(new, expected)
+        finally:
+            ldap.set_option(option, old if old is not None else nonevalue)
+            self.assertEqual(ldap.get_option(option), old)
+
+    def test_invalid(self):
+        with self.assertRaises(ValueError):
+            ldap.get_option(-1)
+        with self.assertRaises(ValueError):
+            ldap.set_option(-1, '')
+
+    def test_timeout(self):
+        self._check_option(ldap.OPT_TIMEOUT, 0, nonevalue=-1)
+        self._check_option(ldap.OPT_TIMEOUT, 10.5, nonevalue=-1)
+        with self.assertRaises(ValueError):
+            self._check_option(ldap.OPT_TIMEOUT, -5, nonevalue=-1)
+        with self.assertRaises(TypeError):
+            ldap.set_option(ldap.OPT_TIMEOUT, object)
+
+    def test_network_timeout(self):
+        self._check_option(ldap.OPT_NETWORK_TIMEOUT, 0, nonevalue=-1)
+        self._check_option(ldap.OPT_NETWORK_TIMEOUT, 10.5, nonevalue=-1)
+        with self.assertRaises(ValueError):
+            self._check_option(ldap.OPT_NETWORK_TIMEOUT, -5, nonevalue=-1)
+
+    def _test_controls(self, option):
+        self._check_option(option, [])
+        self._check_option(option, TEST_CTRL, TEST_CTRL_EXPECTED)
+        self._check_option(option, tuple(TEST_CTRL), TEST_CTRL_EXPECTED)
+        with self.assertRaises(TypeError):
+            ldap.set_option(option, object)
+
+        with self.assertRaises(TypeError):
+            # must contain a tuple
+            ldap.set_option(option, [list(TEST_CTRL[0])])
+        with self.assertRaises(TypeError):
+            # data must be bytes or None
+            ldap.set_option(
+                option,
+                [TEST_CTRL[0][0], TEST_CTRL[0][1], u'data']
+            )
+
+    def test_client_controls(self):
+        self._test_controls(ldap.OPT_CLIENT_CONTROLS)
+
+    def test_server_controls(self):
+        self._test_controls(ldap.OPT_SERVER_CONTROLS)
+
+    def test_uri(self):
+        self._check_option(ldap.OPT_URI, "ldapi:///path/to/socket")
+        with self.assertRaises(TypeError):
+            ldap.set_option(ldap.OPT_URI, object)
+
+    @requires_tls()
+    def test_cafile(self):
+        # None or a distribution or OS-specific path
+        ldap.get_option(ldap.OPT_X_TLS_CACERTFILE)
+
+    def test_readonly(self):
+        value = ldap.get_option(ldap.OPT_API_INFO)
+        self.assertIsInstance(value, dict)
+        with self.assertRaises(ValueError) as e:
+            ldap.set_option(ldap.OPT_API_INFO, value)
+        self.assertIn('read-only', str(e.exception))
+
+
+if __name__ == '__main__':
+    unittest.main()
