add NoteManager and NoteQuerySet, and basic tests

notes/tests.py

@@ -1,3 +1,101 @@
 from django.test import TestCase
-
+from .models import Note
 # Create your tests here.
+
+
+class NoteManagerTestCase(TestCase):
+    """ managers.NoteManager Test Case """
+
+
+    def setUp(self):
+        from notes.managers import NoteManager
+        self.note_manager = NoteManager
+
+    def test_note_default_manager_is_NoteManager(self):
+        self.assertIsInstance(Note.objects, self.note_manager,
+            msg="%s is not Note default manager" % self.note_manager)
+
+    def test_by_date(self):
+        prev_note = None
+        for note in Note.objects.by_date(reverse=False):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_date, note.created_date,
+                            msg="%s is not same date or prior to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_date_reversed(self):
+        prev_note = None
+        for note in Note.objects.by_date(reverse=True):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertGreaterEqual(prev_note.created_date, note.created_date,
+                            msg="%s is not same date or later to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_time(self):
+        prev_note = None
+        for note in Note.objects.by_time(reverse=False):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_time, note.created_time,
+                            msg="%s is not same time or prior to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_time_reversed(self):
+        prev_note = None
+        for note in Note.objects.by_time(reverse=True):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_time, note.created_time,
+                            msg="%s is not same time or later to %s" % (prev_note, note))
+                prev_note = note
+
+class NoteQuerySetTestCase(TestCase):
+
+    def setUp(self):
+        self.qs = Note.objects.all()
+
+    def test_by_date(self):
+        prev_note = None
+        for note in self.qs.by_date(reverse=False):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_date, note.created_date,
+                            msg="%s is not same date or prior to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_date_reversed(self):
+        prev_note = None
+        for note in self.qs.by_date(reverse=True):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertGreaterEqual(prev_note.created_date, note.created_date,
+                            msg="%s is not same date or later to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_time(self):
+        prev_note = None
+        for note in self.qs.by_time(reverse=False):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_time, note.created_time,
+                            msg="%s is not same time or prior to %s" % (prev_note, note))
+                prev_note = note
+
+    def test_by_time_reversed(self):
+        prev_note = None
+        for note in self.qs.by_time(reverse=True):
+            if not prev_note:
+                prev_note = note
+            else:
+                self.assertLessEqual(prev_note.created_time, note.created_time,
+                            msg="%s is not same time or later to %s" % (prev_note, note))
+                prev_note = note