[tor-commits] [bridgedb/master] Add unittests for bridgedb.qrcodes module.

[isis@xxxxxxxxxxxxxx]

commit 129dc997439dfb4c218c482b1838078c51e41f00
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Tue Feb 10 04:27:38 2015 +0000

    Add unittests for bridgedb.qrcodes module.
---
 lib/bridgedb/qrcodes.py           |    4 +-
 lib/bridgedb/test/test_qrcodes.py |   73 +++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 2 deletions(-)

diff --git a/lib/bridgedb/qrcodes.py b/lib/bridgedb/qrcodes.py
index 0b576e3..e09a705 100644
--- a/lib/bridgedb/qrcodes.py
+++ b/lib/bridgedb/qrcodes.py
@@ -18,7 +18,7 @@ import logging
 
 try:
     import qrcode
-except ImportError:
+except ImportError:  # pragma: no cover
     qrcode = False
     logging.warn("Could not import Python qrcode module.")
     logging.debug(("You'll need the qrcode Python module for this to "
@@ -72,6 +72,6 @@ def generateQR(bridgelines, imageFormat=u'JPEG', bridgeSchema=False):
         logging.error(str(error))
         logging.debug(("It seems python-imaging doesn't understand how to "
                        "save in the %s format.") % imageFormat)
-    except Exception as error:
+    except Exception as error:  # pragma: no cover
         logging.error(("There was an error while attempting to generate the "
                        "QRCode: %s") % str(error))
diff --git a/lib/bridgedb/test/test_qrcodes.py b/lib/bridgedb/test/test_qrcodes.py
new file mode 100644
index 0000000..4abe8cc
--- /dev/null
+++ b/lib/bridgedb/test/test_qrcodes.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+#_____________________________________________________________________________
+#
+# This file is part of BridgeDB, a Tor bridge distribution system.
+#
+# :authors: Isis Lovecruft 0xA3ADB67A2CDB8B35 <isis@xxxxxxxxxxxxxx>
+#           please also see AUTHORS file
+# :copyright: (c) 2007-2015, The Tor Project, Inc.
+#             (c) 2014-2015, Isis Lovecruft
+# :license: see LICENSE for licensing information
+#_____________________________________________________________________________
+
+"""Tests for :mod:`bridgedb.qrcodes`."""
+
+
+from twisted.trial import unittest
+
+from bridgedb import qrcodes
+
+
+class GenerateQRTests(unittest.TestCase):
+    """Unittests for :func:`bridgedb.qrcodes.generateQR`."""
+
+    def setUp(self):
+        self.qrcodeModule = qrcodes.qrcode
+        bridgelines = [
+            "obfs4 63.125.48.205:26573 441a151632806a3cc42adfecc2e6e823299db7b2 iat-mode=1 public-key=8d27ba37c5d810106b55f3fd6cdb35842007e88754184bfc0e6035f9bcede633 node-id=42d2a6ad49f93ab4b987b1a9e738425aacb8d2af",
+            "obfs4 103.111.131.45:43288 cb1362f8eaf5d3c2b6fad5da300f66c4197f23e5 iat-mode=0 public-key=c75cb66ae28d8ebc6eded002c28a8ba0d06d3a78c6b5cbf9b2ade051f0775ac4 node-id=4cd66dfabbd964f8c6c4414b07cdb45dae692e19",
+            "obfs4 17.194.28.21:5530 86ef8ab343e76bcd3c57ee32febe4482c98141c7 iat-mode=0 public-key=36ebe205bcdfc499a25e6923f4450fa8d48196ceb4fa0ce077d9d8ec4a36926d node-id=6b6277afcb65d33525545904e95c2fa240632660",
+        ]
+        self.bridgelines = '\n'.join(bridgelines)
+
+    def tearDown(self):
+        """Replace the qrcode module to its original form."""
+        qrcodes.qrcode = self.qrcodeModule
+
+    def test_generateQR(self):
+        """Calling generateQR() should generate an image."""
+        self.assertTrue(qrcodes.generateQR(self.bridgelines))
+
+    def test_generateQR_bad_bridgelines(self):
+        """Calling generateQR() with a bad type for the bridgelines should
+        return None.
+        """
+        self.assertIsNone(qrcodes.generateQR(list()))
+
+    def test_generateQR_no_bridgelines(self):
+        """Calling generateQR() without bridgelines should return None."""
+        self.assertIsNone(qrcodes.generateQR(""))
+
+    def test_generateQR_no_qrcode_module(self):
+        """Calling generateQR() without the qrcode module installed should
+        return None.
+        """
+        qrcodes.qrcode = None
+        self.assertIsNone(qrcodes.generateQR(self.bridgelines))
+
+    def test_generateQR_bridgeSchema(self):
+        """Calling generateQR() with bridgeSchema=True should prepend
+        ``'bridge://`` to each of the QR encoded bridge lines.
+        """
+        # If we were to install the python-qrtools Debian package, we'd be
+        # able to decode the resulting QRCode to check that it contains the
+        # 'bridge://' prefix for each bridge lineâ?¦ but that would add another
+        # Debian dependency just to unittest 5 lines of code.
+        #
+        # Instead:
+        self.assertTrue(qrcodes.generateQR(self.bridgelines, bridgeSchema=True))
+
+    def test_generateQR_save_nonexistent_format(self):
+        """Calling generateQR() with imageFormat=u'FOOBAR' should return None.
+        """
+        self.assertIsNone(qrcodes.generateQR(self.bridgelines, imageFormat=u'FOOBAR'))



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