Merge pull request #559 from awhitford/form_builder_slider_test

Added unit test for FormBuilderSlider.

Author: awhitford

test/fields/form_builder_slider_test.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'form_builder_tester.dart';
+
+void main() {
+  testWidgets('FormBuilderSlider -- 5.0', (WidgetTester tester) async {
+    const widgetName = 'slider1';
+    final testWidget = FormBuilderSlider(
+      name: widgetName,
+      initialValue: 2,
+      min: 0,
+      max: 10,
+      divisions: 20,
+      decoration: const InputDecoration(
+        labelText: 'Number of things',
+      ),
+    );
+    await tester.pumpWidget(buildTestableFieldWidget(testWidget));
+
+    expect(formSave(), isTrue);
+    expect(formValue(widgetName), equals(2.0));
+    await tester.tap(find.byType(Slider));
+    await tester.pumpAndSettle();
+    expect(formSave(), isTrue);
+    expect(formValue(widgetName), equals(5.0));
+  });
+}