Implement FloatField; close #4

Author: alexei

adapters/fields.py

@@ -5,7 +5,7 @@
 from .base import BaseField
 
 
-__all__ = ['Field', 'CharField', 'IntField']
+__all__ = ['Field', 'CharField', 'FloatField', 'IntField']
 
 
 class Field(BaseField):
@@ -17,6 +17,11 @@ def adapt(self, data):
         return unicode(data)
 
 
+class FloatField(BaseField):
+    def adapt(self, data):
+        return float(data)
+
+
 class IntField(BaseField):
     def adapt(self, data):
         return int(data)

tests/test_fields.py

@@ -22,3 +22,13 @@ def test_int_field_from_string(self):
         actual = adapters.IntField().adapt('123456')
         expected = 123456
         self.assertEqual(actual, expected)
+
+    def test_float_field(self):
+        actual = adapters.FloatField().adapt(3.14159265359)
+        expected = 3.14159265359
+        self.assertEqual(actual, expected)
+
+    def test_float_field_from_string(self):
+        actual = adapters.FloatField().adapt('3.14159265359')
+        expected = 3.14159265359
+        self.assertEqual(actual, expected)