add small test for verification

Author: EmreDET

test/uninitialized_controls_state_test.dart

@@ -0,0 +1,114 @@
+import 'package:chewie/chewie.dart';
+import 'package:chewie/src/center_play_button.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:video_player/video_player.dart';
+
+List<String> srcs = [
+  "https://assets.mixkit.co/videos/preview/mixkit-spinning-around-the-earth-29351-large.mp4",
+  "https://assets.mixkit.co/videos/preview/mixkit-daytime-city-traffic-aerial-view-56-large.mp4",
+  "https://assets.mixkit.co/videos/preview/mixkit-a-girl-blowing-a-bubble-gum-at-an-amusement-park-1226-large.mp4"
+];
+
+main() {
+  testWidgets("MaterialControls state test", (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    var videoPlayerController = VideoPlayerController.networkUrl(
+      Uri.parse(srcs[0]),
+    );
+    var materialControlsKey = GlobalKey();
+    var chewieController = ChewieController(
+      videoPlayerController: videoPlayerController,
+      autoPlay: false,
+      looping: false,
+      customControls: MaterialControls(
+        key: materialControlsKey,
+      ),
+    );
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Scaffold(
+          body: Chewie(
+            controller: chewieController,
+          ),
+        ),
+      ),
+    );
+
+    await tester.pump();
+
+    var playButton = find.byType(CenterPlayButton);
+    expect(playButton, findsOneWidget);
+    var btn = playButton.first;
+    var playButtonWidget = tester.widget<CenterPlayButton>(btn);
+    expect(playButtonWidget.isFinished, false);
+  });
+
+  testWidgets("CupertinoControls state test", (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    var videoPlayerController = VideoPlayerController.networkUrl(
+      Uri.parse(srcs[0]),
+    );
+    var materialControlsKey = GlobalKey();
+    var chewieController = ChewieController(
+      videoPlayerController: videoPlayerController,
+      autoPlay: false,
+      looping: false,
+      customControls: CupertinoControls(
+        key: materialControlsKey,
+        backgroundColor: Colors.black,
+        iconColor: Colors.white,
+      ),
+    );
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Scaffold(
+          body: Chewie(
+            controller: chewieController,
+          ),
+        ),
+      ),
+    );
+
+    await tester.pump();
+
+    var playButton = find.byType(CenterPlayButton);
+    expect(playButton, findsOneWidget);
+    var btn = playButton.first;
+    var playButtonWidget = tester.widget<CenterPlayButton>(btn);
+    expect(playButtonWidget.isFinished, false);
+  });
+
+  testWidgets("MaterialDesktopControls state test", (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    var videoPlayerController = VideoPlayerController.networkUrl(
+      Uri.parse(srcs[0]),
+    );
+    var materialControlsKey = GlobalKey();
+    var chewieController = ChewieController(
+      videoPlayerController: videoPlayerController,
+      autoPlay: false,
+      looping: false,
+      customControls: MaterialDesktopControls(
+        key: materialControlsKey,
+      ),
+    );
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Scaffold(
+          body: Chewie(
+            controller: chewieController,
+          ),
+        ),
+      ),
+    );
+
+    await tester.pump();
+
+    var playButton = find.byType(CenterPlayButton);
+    expect(playButton, findsOneWidget);
+    var btn = playButton.first;
+    var playButtonWidget = tester.widget<CenterPlayButton>(btn);
+    expect(playButtonWidget.isFinished, false);
+  });
+}