214: Added ipa_types.Bool.validate() method; added corresponding unit tests

ipalib/ipa_types.py

@@ -102,6 +102,10 @@ class Bool(Type):
             return False
         return None
 
+    def validate(self, value):
+        if not (value is True or value is False):
+            return 'Must be %r or %r' % (self.true, self.false)
+
 
 class Int(Type):
     def __init__(self, min_value=None, max_value=None):

ipalib/tests/test_ipa_types.py

@@ -126,6 +126,15 @@ class test_Bool(ClassChecker):
             # value is not be converted, so None is returned
             assert o(value) is None
 
+    def test_validate(self):
+        t = 'For sure!'
+        f = 'No way!'
+        o = self.cls(true=t, false=f)
+        assert o.validate(True) is None
+        assert o.validate(False) is None
+        for value in (t, f, 0, 1, 'True', 'False', 'Yes', 'No'):
+            assert o.validate(value) == 'Must be %r or %r' % (t, f)
+
 
 class test_Int(ClassChecker):
     _cls = ipa_types.Int