initial commit with cache support & example

2022-02-07 00:11:15 +06:00
commit c7169b04c7
65 changed files with 7155 additions and 0 deletions
@@ -0,0 +1,70 @@
+import 'dart:collection';
+
+import 'package:test/test.dart';
+
+import 'package:fl_query/src/utilities/helpers.dart';
+
+void main() {
+  group('deeplyMergeLeft', () {
+    test('shallow', () {
+      expect(
+        deeplyMergeLeft([
+          {'keyA': 'a1'},
+          {'keyA': 'a2', 'keyB': 'b2'},
+          {'keyB': 'b3'}
+        ]),
+        equals({'keyA': 'a2', 'keyB': 'b3'}),
+      );
+    });
+
+    test('deep', () {
+      expect(
+        deeplyMergeLeft([
+          <String, dynamic>{
+            'keyA': 'a1',
+            'keyB': {
+              'keyC': {'keyD': 'd1'}
+            }
+          },
+          <String, dynamic>{
+            'keyA': 'a2',
+            'keyB': {
+              'keyC': {'keyD': 'd2'}
+            }
+          },
+        ]),
+        equals({
+          'keyA': 'a2',
+          'keyB': {
+            'keyC': {'keyD': 'd2'}
+          }
+        }),
+      );
+    });
+
+    test('deep hashmaps are merged', () {
+      expect(
+        deeplyMergeLeft([
+          HashMap<String, dynamic>.from({
+            'keyA': 'a1',
+            'keyB': {
+              'keyC': HashMap.from({'keyD': 'd1'})
+            }
+          }),
+          {
+            'keyA': 'a2',
+            'keyB': {
+              'keyC': HashMap.from({'keyD': 'd2'})
+            }
+          },
+        ]),
+        equals({
+          'keyA': 'a2',
+          'keyB': {
+            'keyC': {'keyD': 'd2'}
+          }
+        }),
+      );
+    });
+  });
+}