Add the option to autoincrement integer values

5 files changed, 41 insertions, 3 deletions

diff --git a/tests/data/complex/items/5084bc6e94f24dc6976629282ef30419.yaml b/tests/data/complex/items/5084bc6e94f24dc6976629282ef30419.yaml
index bb97781..3132884 100644
--- a/tests/data/complex/items/5084bc6e94f24dc6976629282ef30419.yaml
+++ b/tests/data/complex/items/5084bc6e94f24dc6976629282ef30419.yaml
@@ -16,4 +16,5 @@ order: delta
 created:
 updated:
 epoch:
+version: 0
 # and a comment at the end
diff --git a/tests/data/complex/items/8e9fa1ed3c1b4a30a6be7a98eda0cfa7.yaml b/tests/data/complex/items/8e9fa1ed3c1b4a30a6be7a98eda0cfa7.yaml
index 44d8b89..690b680 100644
--- a/tests/data/complex/items/8e9fa1ed3c1b4a30a6be7a98eda0cfa7.yaml
+++ b/tests/data/complex/items/8e9fa1ed3c1b4a30a6be7a98eda0cfa7.yaml
@@ -14,3 +14,4 @@ order:
 created:
 updated:
 epoch:
+version: 2
diff --git a/tests/data/complex/settings.yaml b/tests/data/complex/settings.yaml
index bf64934..7aaf47b 100644
--- a/tests/data/complex/settings.yaml
+++ b/tests/data/complex/settings.yaml
@@ -48,3 +48,7 @@ fields:
     - name: epoch
       type: datetime
       auto: false
+    - name: version
+      type: integer
+      auto: increment
+      increment: 2
diff --git a/tests/test_collection.py b/tests/test_collection.py
index 527acf9..84c535d 100644
--- a/tests/test_collection.py
+++ b/tests/test_collection.py
@@ -297,7 +297,7 @@ class testComplexCollection(unittest.TestCase):
             self.collection.settings['name'],
             "Fully featured lesana collection",
         )
-        self.assertEqual(len(self.collection.settings['fields']), 13)
+        self.assertEqual(len(self.collection.settings['fields']), 14)
         self.assertIsNotNone(self.collection.stemmer)
         self.assertEqual(len(self.collection.indexed_fields), 8)
 
@@ -424,21 +424,24 @@ class testComplexCollection(unittest.TestCase):
         eid = '5084bc6e94f24dc6976629282ef30419'
         entry = self.collection.entry_from_eid(eid)
         # we keep the old data, and check that the updated field is
-        # empty
+        # empty and the version field is 0
         old_data = entry.data.copy()
         self.assertEqual(entry.data['updated'], None)
+        self.assertEqual(entry.data['version'], 0)
 
         entry.update()
 
         # after the update, fields that were not supposed to be updated
         # are equal to what they were before, while updated has been
         # changed to a datetime in this year (we don't check too deeply
-        # to avoid breaking tests too often with race conditions).
+        # to avoid breaking tests too often with race conditions) and
+        # version has grown to 2.
         for field in ('created', 'epoch'):
             self.assertEqual(old_data[field], entry.data[field])
         now = datetime.datetime.now(datetime.timezone.utc)
         self.assertIsInstance(entry.data['updated'], datetime.datetime)
         self.assertEqual(entry.data['updated'].year, now.year)
+        self.assertEqual(entry.data['version'], 2)
 
 
 class testCollectionWithErrors(unittest.TestCase):
diff --git a/tests/test_types.py b/tests/test_types.py
index 260167c..1efcde1 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -82,6 +82,35 @@ class testTypes(unittest.TestCase):
         v = checker.update(10)
         self.assertEqual(v, 10)
 
+    def test_datetime_auto_increment(self):
+        field_def = self._get_field_def('integer')
+        field_def['auto'] = 'increment'
+        checker = types.LesanaInt(field_def, {})
+
+        v = checker.empty()
+        self.assertEqual(v, 0)
+
+        v = checker.update(0)
+        self.assertEqual(v, 1)
+
+        field_def['increment'] = -1
+        checker = types.LesanaInt(field_def, {})
+        v = checker.update(0)
+        self.assertEqual(v, -1)
+
+        field_def['increment'] = 0.5
+        checker = types.LesanaInt(field_def, {})
+        with self.assertLogs() as cm:
+            v = checker.update(0)
+        self.assertIn('WARNING', cm.output[0])
+        self.assertIn('Invalid configuration value', cm.output[0])
+        self.assertEqual(v, 0)
+
+        field_def['auto'] = 'false'
+        checker = types.LesanaInt(field_def, {})
+        v = checker.update(0)
+        self.assertEqual(v, 0)
+
     def test_float(self):
         checker = types.LesanaFloat(self._get_field_def('float'), {})