Tests: Add tests for uuid equality and hasing

[etc/taskwarrior.git] / tasklib / tests.py

diff --git a/tasklib/tests.py b/tasklib/tests.py
index 2fa1371c199884936b67f8ae5ad43f0aa79db052..76a951430a9fc48d9e26cd07fad2f81dfd4995b2 100644 (file)
--- a/tasklib/tests.py
+++ b/tasklib/tests.py
@@ -70,6 +70,176 @@ class TaskFilterTest(TasklibTest):
         self.assertEqual(no_priority_task['description'], "no priority task")
 
 
         self.assertEqual(no_priority_task['description'], "no priority task")
 
 

+class TaskTest(TasklibTest):
+
+    def test_create_unsaved_task(self):
+        # Make sure a new task is not saved unless explicitly called for
+        t = Task(self.tw, description="test task")
+        self.assertEqual(len(self.tw.tasks.all()), 0)
+
+    # TODO: once python 2.6 compatiblity is over, use context managers here
+    #       and in all subsequent tests for assertRaises
+
+    def test_delete_unsaved_task(self):
+        t = Task(self.tw, description="test task")
+        self.assertRaises(Task.NotSaved, t.delete)
+
+    def test_complete_unsaved_task(self):
+        t = Task(self.tw, description="test task")
+        self.assertRaises(Task.NotSaved, t.done)
+
+    def test_refresh_unsaved_task(self):
+        t = Task(self.tw, description="test task")
+        self.assertRaises(Task.NotSaved, t.refresh)
+
+    def test_delete_deleted_task(self):
+        t = Task(self.tw, description="test task")
+        t.save()
+        t.delete()
+
+        self.assertRaises(Task.DeletedTask, t.delete)
+
+    def test_complete_completed_task(self):
+        t = Task(self.tw, description="test task")
+        t.save()
+        t.done()
+
+        self.assertRaises(Task.CompletedTask, t.done)
+
+    def test_complete_deleted_task(self):
+        t = Task(self.tw, description="test task")
+        t.save()
+        t.delete()
+
+        self.assertRaises(Task.DeletedTask, t.done)
+
+    def test_empty_dependency_set_of_unsaved_task(self):
+        t = Task(self.tw, description="test task")
+        self.assertEqual(t['depends'], set())
+
+    def test_empty_dependency_set_of_saved_task(self):
+        t = Task(self.tw, description="test task")
+        t.save()
+        self.assertEqual(t['depends'], set())
+
+    def test_set_unsaved_task_as_dependency(self):
+        # Adds only one dependency to task with no dependencies
+        t = Task(self.tw, description="test task")
+        dependency = Task(self.tw, description="needs to be done first")
+
+        # We only save the parent task, dependency task is unsaved
+        t.save()
+
+        self.assertRaises(Task.NotSaved,
+                          t.__setitem__, 'depends', set([dependency]))
+
+    def test_set_simple_dependency_set(self):
+        # Adds only one dependency to task with no dependencies
+        t = Task(self.tw, description="test task")
+        dependency = Task(self.tw, description="needs to be done first")
+
+        t.save()
+        dependency.save()
+
+        t['depends'] = set([dependency])
+
+        self.assertEqual(t['depends'], set([dependency]))
+
+    def test_set_complex_dependency_set(self):
+        # Adds two dependencies to task with no dependencies
+        t = Task(self.tw, description="test task")
+        dependency1 = Task(self.tw, description="needs to be done first")
+        dependency2 = Task(self.tw, description="needs to be done second")
+
+        t.save()
+        dependency1.save()
+        dependency2.save()
+
+        t['depends'] = set([dependency1, dependency2])
+
+        self.assertEqual(t['depends'], set([dependency1, dependency2]))
+
+    def test_remove_from_dependency_set(self):
+        # Removes dependency from task with two dependencies
+        t = Task(self.tw, description="test task")
+        dependency1 = Task(self.tw, description="needs to be done first")
+        dependency2 = Task(self.tw, description="needs to be done second")
+
+        dependency1.save()
+        dependency2.save()
+
+        t['depends'] = set([dependency1, dependency2])
+        t.save()
+
+        t['depends'] = t['depends'] - set([dependency2])
+        t.save()
+
+        self.assertEqual(t['depends'], set([dependency1]))
+
+    def test_add_to_dependency_set(self):
+        # Adds dependency to task with one dependencies
+        t = Task(self.tw, description="test task")
+        dependency1 = Task(self.tw, description="needs to be done first")
+        dependency2 = Task(self.tw, description="needs to be done second")
+
+        dependency1.save()
+        dependency2.save()
+
+        t['depends'] = set([dependency1])
+        t.save()
+
+        t['depends'] = t['depends'] | set([dependency2])
+        t.save()
+
+        self.assertEqual(t['depends'], set([dependency1, dependency2]))
+
+    def test_compare_different_tasks(self):
+        # Negative: compare two different tasks
+        t1 = Task(self.tw, description="test task")
+        t2 = Task(self.tw, description="test task")
+
+        t1.save()
+        t2.save()
+
+        self.assertEqual(t1 == t2, False)
+
+    def test_compare_same_task_object(self):
+        # Compare Task object wit itself
+        t = Task(self.tw, description="test task")
+        t.save()
+
+        self.assertEqual(t == t, True)
+
+    def test_compare_same_task(self):
+        # Compare the same task using two different objects
+        t1 = Task(self.tw, description="test task")
+        t1.save()
+
+        t2 = self.tw.tasks.get(uuid=t1['uuid'])
+        self.assertEqual(t1 == t2, True)
+
+    def test_compare_unsaved_tasks(self):
+        # t1 and t2 are unsaved tasks, considered to be unequal
+        # despite the content of data
+        t1 = Task(self.tw, description="test task")
+        t2 = Task(self.tw, description="test task")
+
+        self.assertEqual(t1 == t2, False)
+
+    def test_hash_unsaved_tasks(self):
+        # Considered equal, it's the same object
+        t1 = Task(self.tw, description="test task")
+        t2 = t1
+        self.assertEqual(hash(t1) == hash(t2), True)
+
+    def test_hash_same_task(self):
+        # Compare the hash of the task using two different objects
+        t1 = Task(self.tw, description="test task")
+        t1.save()
+
+        t2 = self.tw.tasks.get(uuid=t1['uuid'])
+        self.assertEqual(t1.__hash__(), t2.__hash__())
+

 class AnnotationTest(TasklibTest):
 
     def setUp(self):
 class AnnotationTest(TasklibTest):
 
     def setUp(self):