1 files changed, 104 insertions, 0 deletions
diff --git a/packages/flutter_calendar_carousel/test/src/header_test.dart b/packages/flutter_calendar_carousel/test/src/header_test.dart
new file mode 100644
index 0000000..2f9b603
--- /dev/null
+++ b/packages/flutter_calendar_carousel/test/src/header_test.dart
@@ -0,0 +1,104 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter_calendar_carousel/src/calendar_header.dart';
+
+import 'package:flutter/material.dart';
+
+void main() {
+  final title = "Test title";
+  final margin = const EdgeInsets.symmetric(vertical: 16.0);
+  final iconColor = Colors.blueAccent;
+
+  testWidgets('Verify Header Defaults', (WidgetTester tester) async {
+    var headerTapped = false;
+    var leftPressed = false;
+    var rightPressed = false;
+
+    await tester.pumpWidget(wrapped(CalendarHeader(
+      headerTitle: title,
+      headerMargin: margin,
+      showHeader: true,
+      showHeaderButtons: true,
+      headerIconColor: iconColor,
+      onHeaderTitlePressed: () => headerTapped = true,
+      onRightButtonPressed: () => rightPressed = true,
+      onLeftButtonPressed: () => leftPressed = true,
+    )));
+
+    expect(find.text(title), findsOneWidget);
+
+    await tester.tap(find.byType(TextButton));
+
+    await tester.pump();
+
+    expect(headerTapped, equals(true));
+
+    await tester.tap(find.widgetWithIcon(IconButton, Icons.chevron_right));
+
+    await tester.pump();
+
+    expect(rightPressed, equals(true));
+
+    await tester.tap(find.widgetWithIcon(IconButton, Icons.chevron_left));
+
+    await tester.pump();
+
+    expect(leftPressed, equals(true));
+  });
+
+  testWidgets('Verify No header Renders', (WidgetTester tester) async {
+    final noHeaderEmpty = CalendarHeader(
+      showHeader: false,
+      headerTitle: '',
+      onLeftButtonPressed: () {},
+      onHeaderTitlePressed: () {},
+      onRightButtonPressed: () {},
+    );
+
+    await tester.pumpWidget(Container(child: noHeaderEmpty));
+
+    expect(find.byWidget(noHeaderEmpty), findsOneWidget);
+  });
+
+  testWidgets('Verify Header Is Not Touchable', (WidgetTester tester) async {
+    await tester.pumpWidget(wrapped(CalendarHeader(
+      headerTitle: title,
+      headerMargin: margin,
+      showHeader: true,
+      showHeaderButtons: true,
+      headerIconColor: iconColor,
+      onHeaderTitlePressed: null,
+      onRightButtonPressed: () {},
+      onLeftButtonPressed: () {},
+    )));
+
+    // the header TextButton Should not render
+    final touchableHeader = find.byType(TextButton);
+
+    expect(touchableHeader, findsNothing);
+  });
+
+  testWidgets('Verify No Header Buttons', (WidgetTester tester) async {
+    await tester.pumpWidget(wrapped(CalendarHeader(
+      headerTitle: title,
+      headerMargin: margin,
+      showHeader: true,
+      showHeaderButtons: false,
+      headerIconColor: iconColor,
+      onHeaderTitlePressed: () {},
+      onRightButtonPressed: () {},
+      onLeftButtonPressed: () {},
+    )));
+
+    // the header IconButtons Should not render
+    final headerButton = find.byType(IconButton);
+
+    expect(headerButton, findsNothing);
+  });
+}
+
+// header uses Row which requires MaterialApp as an ancestor
+Widget wrapped(Widget widget) => MaterialApp(
+      home: Container(
+        child: Material(child: widget),
+      ),
+    );