Initial commit

test/node_test.dart

@@ -0,0 +1,132 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter_treeview/src/models/node.dart';
+
+class Person {
+  final int age;
+
+  Person({required this.age});
+}
+
+class Animal {
+  final int legs;
+
+  Animal({required this.legs});
+}
+
+void main() {
+  group('instantiate', () {
+    test('from string', () {
+      final Node node = Node.fromLabel('Home');
+      expect(node.key.isNotEmpty, true);
+      expect(node.label, 'Home');
+      expect(node.icon, null);
+      expect(node.expanded, false);
+      expect(node.children.length, 0);
+    });
+    test('copyWith', () {
+      final Node node = Node.fromLabel('Home');
+      expect(node.label, 'Home');
+      expect(node.icon, null);
+      expect(node.expanded, false);
+      expect(node.children.length, 0);
+      final Node newNode = node.copyWith(label: 'New Home');
+      expect(newNode.label, 'New Home');
+      expect(newNode.icon, null);
+      expect(newNode.expanded, false);
+      expect(newNode.children.length, 0);
+    });
+    test('from map', () {
+      final map = {
+        "key": "12345",
+        "label": "Home",
+      };
+      final expectedMap = {
+        "key": "12345",
+        "label": "Home",
+        "icon": null,
+        "expanded": false,
+        "parent": false,
+        "children": [],
+      };
+      final Node node = Node.fromMap(map);
+      expect(node.key, '12345');
+      expect(node.label, 'Home');
+      expect(node.icon, null);
+      expect(node.expanded, false);
+      expect(node.children.length, 0);
+      expect(node.isParent, false);
+      expect(node.asMap, expectedMap);
+    });
+    test('from nested map', () {
+      final map = {
+        "label": "Home",
+        "expanded": 1,
+        "icon": Icons.home.codePoint.toString(),
+        "children": [
+          {
+            "key": "12345b",
+            "label": "Basement",
+          },
+          {
+            "key": "12345k",
+            "label": "Kitchen",
+          }
+        ],
+      };
+      final expectedMap = {
+        "label": "Home",
+        "icon": null,
+        "expanded": true,
+        "parent": false,
+        "children": [
+          {
+            "key": "12345b",
+            "label": "Basement",
+            "icon": null,
+            "expanded": false,
+            "parent": false,
+            "children": [],
+          },
+          {
+            "key": "12345k",
+            "label": "Kitchen",
+            "icon": null,
+            "expanded": false,
+            "parent": false,
+            "children": [],
+          }
+        ],
+      };
+      final Node node = Node.fromMap(map);
+      expect(node.key.isNotEmpty, true);
+      expect(node.label, 'Home');
+      expect(node.icon, null);
+      expect(node.expanded, true);
+      expect(node.children.length, 2);
+      expect(node.isParent, true);
+      Map nodeMap = node.asMap;
+      nodeMap.remove('key');
+      expect(nodeMap, expectedMap);
+    });
+    test('with data', () {
+      Person lukas = Person(age: 3);
+      Animal otis = Animal(legs: 4);
+      final Node node1 =
+          Node<Person>(label: 'Lukas', key: 'lukas', data: lukas);
+      Node node2 = Node.fromLabel('Friend');
+      expect(node1.hasData, true);
+      expect(node1.data.runtimeType, Person);
+
+      expect(node2.hasData, false);
+      expect(node2.data.runtimeType, Null);
+      node2 = node2.copyWith(data: otis);
+      expect(node2.data.runtimeType, Animal);
+      expect(node2.hasData, true);
+      final Node node3 =
+          Node<double>(label: 'Building Height', key: 'bldghgt', data: 100.4);
+      expect(node3.hasData, true);
+      expect(node3.data.runtimeType, double);
+    });
+  });
+}