1 files changed, 180 insertions, 0 deletions
diff --git a/test/test_collections.py b/test/test_collections.py
new file mode 100644
index 0000000..4d173ac
--- /dev/null
+++ b/test/test_collections.py
@@ -0,0 +1,180 @@
+import unittest
+
+from urllib3._collections import (
+    HTTPHeaderDict,
+    RecentlyUsedContainer as Container
+)
+from urllib3.packages import six
+xrange = six.moves.xrange
+
+
+class TestLRUContainer(unittest.TestCase):
+    def test_maxsize(self):
+        d = Container(5)
+
+        for i in xrange(5):
+            d[i] = str(i)
+
+        self.assertEqual(len(d), 5)
+
+        for i in xrange(5):
+            self.assertEqual(d[i], str(i))
+
+        d[i+1] = str(i+1)
+
+        self.assertEqual(len(d), 5)
+        self.assertFalse(0 in d)
+        self.assertTrue(i+1 in d)
+
+    def test_expire(self):
+        d = Container(5)
+
+        for i in xrange(5):
+            d[i] = str(i)
+
+        for i in xrange(5):
+            d.get(0)
+
+        # Add one more entry
+        d[5] = '5'
+
+        # Check state
+        self.assertEqual(list(d.keys()), [2, 3, 4, 0, 5])
+
+    def test_same_key(self):
+        d = Container(5)
+
+        for i in xrange(10):
+            d['foo'] = i
+
+        self.assertEqual(list(d.keys()), ['foo'])
+        self.assertEqual(len(d), 1)
+
+    def test_access_ordering(self):
+        d = Container(5)
+
+        for i in xrange(10):
+            d[i] = True
+
+        # Keys should be ordered by access time
+        self.assertEqual(list(d.keys()), [5, 6, 7, 8, 9])
+
+        new_order = [7,8,6,9,5]
+        for k in new_order:
+            d[k]
+
+        self.assertEqual(list(d.keys()), new_order)
+
+    def test_delete(self):
+        d = Container(5)
+
+        for i in xrange(5):
+            d[i] = True
+
+        del d[0]
+        self.assertFalse(0 in d)
+
+        d.pop(1)
+        self.assertFalse(1 in d)
+
+        d.pop(1, None)
+
+    def test_get(self):
+        d = Container(5)
+
+        for i in xrange(5):
+            d[i] = True
+
+        r = d.get(4)
+        self.assertEqual(r, True)
+
+        r = d.get(5)
+        self.assertEqual(r, None)
+
+        r = d.get(5, 42)
+        self.assertEqual(r, 42)
+
+        self.assertRaises(KeyError, lambda: d[5])
+
+    def test_disposal(self):
+        evicted_items = []
+
+        def dispose_func(arg):
+            # Save the evicted datum for inspection
+            evicted_items.append(arg)
+
+        d = Container(5, dispose_func=dispose_func)
+        for i in xrange(5):
+            d[i] = i
+        self.assertEqual(list(d.keys()), list(xrange(5)))
+        self.assertEqual(evicted_items, []) # Nothing disposed
+
+        d[5] = 5
+        self.assertEqual(list(d.keys()), list(xrange(1, 6)))
+        self.assertEqual(evicted_items, [0])
+
+        del d[1]
+        self.assertEqual(evicted_items, [0, 1])
+
+        d.clear()
+        self.assertEqual(evicted_items, [0, 1, 2, 3, 4, 5])
+
+    def test_iter(self):
+        d = Container()
+
+        self.assertRaises(NotImplementedError, d.__iter__)
+
+
+class TestHTTPHeaderDict(unittest.TestCase):
+    def setUp(self):
+        self.d = HTTPHeaderDict(A='foo')
+        self.d.add('a', 'bar')
+
+    def test_overwriting_with_setitem_replaces(self):
+        d = HTTPHeaderDict()
+
+        d['A'] = 'foo'
+        self.assertEqual(d['a'], 'foo')
+
+        d['a'] = 'bar'
+        self.assertEqual(d['A'], 'bar')
+
+    def test_copy(self):
+        h = self.d.copy()
+        self.assertTrue(self.d is not h)
+        self.assertEqual(self.d, h)
+
+    def test_add(self):
+        d = HTTPHeaderDict()
+
+        d['A'] = 'foo'
+        d.add('a', 'bar')
+
+        self.assertEqual(d['a'], 'foo, bar')
+        self.assertEqual(d['A'], 'foo, bar')
+
+    def test_getlist(self):
+        self.assertEqual(self.d.getlist('a'), ['foo', 'bar'])
+        self.assertEqual(self.d.getlist('A'), ['foo', 'bar'])
+        self.assertEqual(self.d.getlist('b'), [])
+
+    def test_delitem(self):
+        del self.d['a']
+        self.assertFalse('a' in self.d)
+        self.assertFalse('A' in self.d)
+
+    def test_equal(self):
+        b = HTTPHeaderDict({'a': 'foo, bar'})
+        self.assertEqual(self.d, b)
+        c = [('a', 'foo, bar')]
+        self.assertNotEqual(self.d, c)
+
+    def test_len(self):
+        self.assertEqual(len(self.d), 1)
+
+    def test_repr(self):
+        rep = "HTTPHeaderDict({'A': 'foo, bar'})"
+        self.assertEqual(repr(self.d), rep)
+
+if __name__ == '__main__':
+    unittest.main()