private void Init(TestContext testContext, bool keyframeMode = false) { this.testContext = testContext; if (!Directory.Exists(CurrentTestLKGPath)) { Directory.CreateDirectory(CurrentTestLKGPath); } if (!Directory.Exists(CurrentTestTempPath)) { Directory.CreateDirectory(CurrentTestTempPath); } if (keyframeMode) { this.keyFrameRecorder = new ConsoleBitmapVideoWriter(s => File.WriteAllText(CurrentTestRecordingFilePath, s)); } else { this.Recorder = new ConsoleBitmapVideoWriter(s => File.WriteAllText(CurrentTestRecordingFilePath, s)); } this.Stopped.SubscribeOnce(() => { var metadata = new CliLKGTestMetadata() { Paints = this.TotalPaints, }; Console.WriteLine("Total paints: " + metadata.Paints); var json = JsonConvert.SerializeObject(metadata); File.WriteAllText(CurrentTestMetadataFilePath, json); }); }
public void TestRecordVideoLargeVideo() { ConsoleBitmap bitmap = new ConsoleBitmap(1, 1); var numFrames = 10000; using (var sharedStream = new MemoryStream()) { var bitmapVideoWriter = new ConsoleBitmapVideoWriter(s => sharedStream.Write(Encoding.Default.GetBytes(s))); for (var i = 0; i < numFrames; i++) { bitmapVideoWriter.WriteFrame(bitmap, true, TimeSpan.FromMilliseconds(i)); } bitmapVideoWriter.Finish(); sharedStream.Position = 0; // rewind the stream to the beginning to read it back var destination = TimeSpan.Zero; var reader = new ConsoleBitmapStreamReader(sharedStream); var video = reader.ReadToEnd(); var lastFrameIndex = 0; var sw = Stopwatch.StartNew(); InMemoryConsoleBitmapFrame frame; while ((lastFrameIndex = video.Seek(destination, out frame, lastFrameIndex >= 0 ? lastFrameIndex : 0)) != numFrames - 1) { destination = destination.Add(TimeSpan.FromMilliseconds(1)); } sw.Stop(); Assert.IsTrue(sw.ElapsedMilliseconds < 10); Console.WriteLine($"Playback took {sw.ElapsedMilliseconds} ms"); } }
public void TestRecordVideoBasic() { ConsoleBitmap bitmap = new ConsoleBitmap(4, 2), redBitmap = null, greenBitmap = null, magentaPixelBitmap = null; using (var sharedStream = new MemoryStream()) { var bitmapVideoWriter = new ConsoleBitmapVideoWriter(s => sharedStream.Write(Encoding.Default.GetBytes(s))); bitmap = new ConsoleBitmap(4, 2); bitmap.Fill(ConsoleCharacter.RedBG()); redBitmap = bitmapVideoWriter.WriteFrame(bitmap).Clone(); bitmap.Fill(ConsoleCharacter.GreenBG()); greenBitmap = bitmapVideoWriter.WriteFrame(bitmap).Clone(); bitmap.DrawPoint(ConsoleCharacter.MagentaBG(), 0, 0); magentaPixelBitmap = bitmapVideoWriter.WriteFrame(bitmap).Clone(); bitmapVideoWriter.Finish(); sharedStream.Position = 0; // rewind the stream to the beginning to read it back // create a reader and make sure we can read each frame back exactly as they were written var bitmapVideoReader = new ConsoleBitmapStreamReader(sharedStream); Assert.AreEqual(redBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap); Assert.AreEqual(greenBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap); Assert.AreEqual(magentaPixelBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap); Assert.IsNull(bitmapVideoReader.ReadFrame().CurrentFrame); } }
public void TestPlaybackEndToEnd() { var app = new CliTestHarness(this.TestContext, 80, 30); app.InvokeNextCycle(async() => { int w = 10, h = 1; var temp = Path.GetTempFileName(); using (var stream = File.OpenWrite(temp)) { var writer = new ConsoleBitmapVideoWriter(s => stream.Write(Encoding.Default.GetBytes(s))); var bitmap = new ConsoleBitmap(w, h); for (var i = 0; i < bitmap.Width; i++) { bitmap.Fill(new ConsoleCharacter(' ')); bitmap.DrawPoint(new ConsoleCharacter(' ', backgroundColor: ConsoleColor.Red), i, 0); writer.WriteFrame(bitmap, true, TimeSpan.FromSeconds(.1 * i)); } writer.Finish(); } var player = app.LayoutRoot.Add(new ConsoleBitmapPlayer()).Fill(); Assert.IsFalse(player.Width == 0); Assert.IsFalse(player.Height == 0); player.Load(File.OpenRead(temp)); var playStarted = false; player.SubscribeForLifetime(nameof(player.State), () => { if (player.State == PlayerState.Playing) { playStarted = true; } else if (player.State == PlayerState.Stopped && playStarted) { app.Stop(); } }, app); await Task.Delay(100); await app.SendKey(new ConsoleKeyInfo('p', ConsoleKey.P, false, false, false)); }); app.Start().Wait(); Thread.Sleep(100); app.AssertThisTestMatchesLKGFirstAndLastFrame(); }
private async void SaveCommon(string destination) { if (saveInProgress) { return; } try { saveInProgress = true; ConsoleBitmapVideoWriter writer = null; var tempFile = Path.GetTempFileName(); bool tempWriteSuccess = false; try { writer = new ConsoleBitmapVideoWriter(s => File.WriteAllText(tempFile, s)); foreach (var frame in animation.Frames) { writer.WriteFrame(frame.Bitmap, desiredFrameTime: frame.FrameTime); } tempWriteSuccess = true; } catch (Exception) { await Dialog.ShowMessage($"Failed to save file to {destination}".ToRed()); return; } finally { writer?.Finish(); if (tempWriteSuccess == false) { try { File.Delete(tempFile); } catch (Exception) { } } } try { // If we can't read this back then don't finalize the save. // This ensures that if we wrote garbage (which should never happen) // then we won't corrupt whatever was on disk. using (var testStream = File.OpenRead(tempFile)) { var testReader = new ConsoleBitmapStreamReader(testStream); testReader.ReadToEnd(); } } catch (Exception) { try { File.Delete(tempFile); } catch (Exception) { } await Dialog.ShowMessage($"Failed to save file to {destination}".ToRed()); return; } File.Delete(destination); File.Move(tempFile, destination); currentlyOpenedFile = destination; undoRedo.Do(new ClearPendingChangesAction(this)); } finally { saveInProgress = false; } }