Add first tests (for NeighborList)

qutebrowser/test/__init__.py

@@ -0,0 +1,18 @@
+# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser 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.
+#
+# qutebrowser 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 qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+"""The qutebrowser test suite."""

qutebrowser/test/test_neighborlist.py

@@ -0,0 +1,246 @@
+# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser 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.
+#
+# qutebrowser 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 qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+# pylint: disable=protected-access,missing-docstring
+
+"""Tests for the NeighborList class."""
+
+import unittest
+from unittest import TestCase
+
+from qutebrowser.utils.usertypes import NeighborList
+
+
+class InitTests(TestCase):
+
+    """Just try to init some neighborlists."""
+
+    def test_empty(self):
+        nl = NeighborList()
+        self.assertEqual(nl.items, [])
+
+    def test_items(self):
+        nl = NeighborList([1, 2, 3])
+        self.assertEqual(nl.items, [1, 2, 3])
+
+
+class DefaultTests(TestCase):
+
+    """Test the default argument."""
+
+    def test_simple(self):
+        nl = NeighborList([1, 2, 3], default=2)
+        self.assertEqual(nl.idx, 1)
+
+    def test_none(self):
+        nl = NeighborList([1, 2, None], default=None)
+        self.assertEqual(nl.idx, 2)
+
+    def test_unset(self):
+        nl = NeighborList([1, 2, 3])
+        self.assertIsNone(nl.idx)
+
+
+class EmptyTests(TestCase):
+
+    """Tests with no items."""
+
+    def setUp(self):
+        self.nl = NeighborList()
+
+    def test_curitem(self):
+        with self.assertRaises(IndexError):
+            self.nl.curitem()
+
+    def test_firstitem(self):
+        with self.assertRaises(IndexError):
+            self.nl.firstitem()
+
+    def test_lastitem(self):
+        with self.assertRaises(IndexError):
+            self.nl.lastitem()
+
+    def test_getitem(self):
+        with self.assertRaises(IndexError):
+            self.nl.getitem(1)
+
+
+class ItemTests(TestCase):
+
+    """Tests with items."""
+
+    def setUp(self):
+        self.nl = NeighborList([1, 2, 3, 4, 5], default=3)
+
+    def test_curitem(self):
+        self.assertEqual(self.nl.idx, 2)
+        self.assertEqual(self.nl.curitem(), 3)
+        self.assertEqual(self.nl.idx, 2)
+
+    def test_nextitem(self):
+        self.assertEqual(self.nl.nextitem(), 4)
+        self.assertEqual(self.nl.idx, 3)
+        self.assertEqual(self.nl.nextitem(), 5)
+        self.assertEqual(self.nl.idx, 4)
+
+    def test_previtem(self):
+        self.assertEqual(self.nl.previtem(), 2)
+        self.assertEqual(self.nl.idx, 1)
+        self.assertEqual(self.nl.previtem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_firstitem(self):
+        self.assertEqual(self.nl.firstitem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_lastitem(self):
+        self.assertEqual(self.nl.lastitem(), 5)
+        self.assertEqual(self.nl.idx, 4)
+
+    def test_reset(self):
+        self.nl.nextitem()
+        self.assertEqual(self.nl.idx, 3)
+        self.nl.reset()
+        self.assertEqual(self.nl.idx, 2)
+
+    def test_getitem(self):
+        self.assertEqual(self.nl.getitem(2), 5)
+        self.assertEqual(self.nl.idx, 4)
+        self.nl.reset()
+        self.assertEqual(self.nl.getitem(-2), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+
+class OneTests(TestCase):
+
+    """Tests with a list with only one item."""
+
+    def setUp(self):
+        self.nl = NeighborList([1], default=1)
+
+    def test_first_wrap(self):
+        self.nl._mode = NeighborList.WRAP
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.previtem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_first_block(self):
+        self.nl._mode = NeighborList.BLOCK
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.previtem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_first_raise(self):
+        self.nl._mode = NeighborList.RAISE
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        with self.assertRaises(IndexError):
+            self.nl.previtem()
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_last_wrap(self):
+        self.nl._mode = NeighborList.WRAP
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.nextitem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_last_block(self):
+        self.nl._mode = NeighborList.BLOCK
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.nextitem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_last_raise(self):
+        self.nl._mode = NeighborList.RAISE
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 0)
+        with self.assertRaises(IndexError):
+            self.nl.nextitem()
+        self.assertEqual(self.nl.idx, 0)
+
+
+class BlockTests(TestCase):
+
+    """Tests with mode=BLOCK."""
+
+    def setUp(self):
+        self.nl = NeighborList([1, 2, 3, 4, 5], default=3,
+                               mode=NeighborList.BLOCK)
+
+    def test_first(self):
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.previtem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_last(self):
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 4)
+        self.assertEqual(self.nl.nextitem(), 5)
+        self.assertEqual(self.nl.idx, 4)
+
+
+class WrapTests(TestCase):
+
+    """Tests with mode=WRAP."""
+
+    def setUp(self):
+        self.nl = NeighborList([1, 2, 3, 4, 5], default=3,
+                               mode=NeighborList.WRAP)
+
+    def test_first(self):
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        self.assertEqual(self.nl.previtem(), 5)
+        self.assertEqual(self.nl.idx, 4)
+
+    def test_last(self):
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 4)
+        self.assertEqual(self.nl.nextitem(), 1)
+        self.assertEqual(self.nl.idx, 0)
+
+
+class RaiseTests(TestCase):
+
+    """Tests with mode=RAISE."""
+
+    def setUp(self):
+        self.nl = NeighborList([1, 2, 3, 4, 5], default=3,
+                               mode=NeighborList.RAISE)
+
+    def test_first(self):
+        self.nl.firstitem()
+        self.assertEqual(self.nl.idx, 0)
+        with self.assertRaises(IndexError):
+            self.nl.previtem()
+        self.assertEqual(self.nl.idx, 0)
+
+    def test_last(self):
+        self.nl.lastitem()
+        self.assertEqual(self.nl.idx, 4)
+        with self.assertRaises(IndexError):
+            self.nl.nextitem()
+        self.assertEqual(self.nl.idx, 4)
+
+
+if __name__ == '__main__':
+    unittest.main()