+#
+# Test our constraints parser
+#
+
+import unittest
+
+from juju import constraints
+
+class TestConstraints(unittest.TestCase):
+
+ def test_mem_regex(self):
+ m = constraints.MEM
+ self.assertTrue(m.match("10G"))
+ self.assertTrue(m.match("1G"))
+ self.assertFalse(m.match("1Gb"))
+ self.assertFalse(m.match("a1G"))
+ self.assertFalse(m.match("1000"))
+
+ def test_normalize_key(self):
+ _ = constraints.normalize_key
+
+ self.assertEqual(_("test-key"), "test_key")
+ self.assertEqual(_("test-key "), "test_key")
+ self.assertEqual(_(" test-key"), "test_key")
+
+ def test_normalize_val(self):
+ _ = constraints.normalize_value
+
+ self.assertEqual(_("10G"), 10 * 1024)
+ self.assertEqual(_("10M"), 10)
+ self.assertEqual(_("10"), "10")
+ self.assertEqual(_("foo,bar"), ["foo", "bar"])
+
+ def test_parse_constraints(self):
+ _ = constraints.parse
+
+ self.assertEqual(
+ _("mem=10G"),
+ {"mem": 10 * 1024}
+ )
+
+ self.assertEqual(
+ _("mem=10G foo=bar,baz"),
+ {"mem": 10 * 1024, "foo": ["bar", "baz"]}
+ )