Add files from the old svn, r101.

[matthijs/upstream/mobilegtd.git] / tests / specs / model / filtered_list_spec.py

diff --git a/tests/specs/model/filtered_list_spec.py b/tests/specs/model/filtered_list_spec.py
new file mode 100644 (file)
index 0000000..94f3e93
--- /dev/null
+++ b/tests/specs/model/filtered_list_spec.py
@@ -0,0 +1,69 @@
+import unittest
+from mock import Mock
+import random
+from model.filtered_list import FilteredList
+
+class FilteredListBehaviour(unittest.TestCase):
+
+    def setUp(self):
+        self.list = FilteredList([])
+
+    def test_should_return_filtered_lists(self):
+        l = self.list.with_property(lambda x:True)
+        self.assertEqual(type(l),FilteredList)
+        
+
+class EmptyFilteredListBehaviour(FilteredListBehaviour):
+    
+    def test_should_a_new_empty_filtered_list_on_with(self):
+        l = self.list.with_property(lambda x:True)
+        self.assertEqual(l,[])
+
+class NonEmptyFilteredListBehaviour(FilteredListBehaviour):
+
+    def setUp(self):
+        super(NonEmptyFilteredListBehaviour,self).setUp()
+        
+        self.items,self.items_with_property,self.items_without_property = self.create_items(random.randint(0, 20) ,random.randint(0, 20))
+        for item in self.items:
+            self.list.append(item)
+    def property(self):
+        return lambda x:x.has_property(0)
+    def create_items(self,number_of_items_with_property=1,number_of_items_without_property=1):
+        items_with_property = []
+        for i in range(0,number_of_items_with_property):
+            item = Mock()
+            item.has_property.return_value = True
+            items_with_property.append(item)
+        
+        items_without_property = []
+        for i in range(0,number_of_items_without_property):
+            item = Mock()
+            item.has_property.return_value = False
+            items_without_property.append(item)
+        items = items_with_property+items_without_property
+        random.shuffle(items)
+        return (items,items_with_property,items_without_property)
+
+    def filter_results(self):
+        return self.list.with_property(self.property())
+
+    def test_should_test_the_property_on_its_items(self):
+        self.filter_results()
+        for item in self.items:
+            item.has_property.assert_called_with(0)
+
+    def test_should_return_all_items_which_fulfill_the_property(self):
+        filtered = self.filter_results()
+        for item in self.items_with_property:
+            self.assertTrue(item in filtered)
+        for item in filtered:
+            self.assertTrue(item in self.items_with_property)
+            
+
+    def test_should_return_none_of_the_items_which_dont_fulfill_the_property(self):
+        filtered = self.filter_results()
+        for item in self.items_without_property:
+            self.assertFalse(item in filtered)
+        for item in filtered:
+            self.assertFalse(item in self.items_without_property)