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using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
using Xunit;
using TinyPng.ResizeOperations;
namespace TinyPng.Tests
{
public class TinyPngTests
{
const string apiKey = "lolwat";
internal const string Cat = "Resources/cat.jpg";
internal const string CompressedCat = "Resources/compressedcat.jpg";
internal const string ResizedCat = "Resources/resizedcat.jpg";
internal const string SavedCatPath = "Resources/savedcat.jpg";
[Fact]
public void TinyPngClientThrowsWhenNoApiKeySupplied()
{
Assert.Throws<ArgumentNullException>(() => new TinyPngClient(null));
}
[Fact]
public void TinyPngClientThrowsWhenNoValidS3ConfigurationSupplied()
{
Assert.Throws<ArgumentNullException>(() => new TinyPngClient(null));
Assert.Throws<ArgumentNullException>(() => new TinyPngClient(null, null));
Assert.Throws<ArgumentNullException>(() => new TinyPngClient("apiKey", null));
Assert.Throws<ArgumentNullException>(() => new TinyPngClient(null, new AmazonS3Configuration("a", "b", "c", "d")));
}
[Fact]
public async Task Compression()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
var result = await pngx.Compress(Cat);
Assert.Equal("image/jpeg", result.Input.Type);
Assert.Equal(400, result.Output.Width);
Assert.Equal(400, result.Output.Height);
}
[Fact]
public async Task CanBeCalledMultipleTimesWihtoutExploding()
{
using (var pngx = new TinyPngClient(apiKey))
{
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
var result = await pngx.Compress(Cat);
Assert.Equal("image/jpeg", result.Input.Type);
Assert.Equal(400, result.Output.Width);
Assert.Equal(400, result.Output.Height);
}
using (var pngx = new TinyPngClient(apiKey))
{
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
var result = await pngx.Compress(Cat);
Assert.Equal("image/jpeg", result.Input.Type);
Assert.Equal(400, result.Output.Width);
Assert.Equal(400, result.Output.Height);
}
}
[Fact]
public async Task CompressionCount()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
var result = await pngx.Compress(Cat);
Assert.Equal(99, result.CompressionCount);
}
[Fact]
public async Task CompressionWithBytes()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
var bytes = File.ReadAllBytes(Cat);
var result = await pngx.Compress(bytes);
Assert.Equal("image/jpeg", result.Input.Type);
Assert.Equal(400, result.Output.Width);
Assert.Equal(400, result.Output.Height);
}
[Fact]
public async Task CompressionWithStreams()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
using (var fileStream = File.OpenRead(Cat))
{
var result = await pngx.Compress(fileStream);
Assert.Equal("image/jpeg", result.Input.Type);
Assert.Equal(400, result.Output.Width);
Assert.Equal(400, result.Output.Height);
}
}
[Fact]
public async Task CompressionShouldThrowIfNoPathToFile()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().Compress());
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.Compress(string.Empty));
}
[Fact]
public async Task CompressionShouldThrowIfNoNonSuccessStatusCode()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler().CompressAndFail());
await Assert.ThrowsAsync<TinyPngApiException>(async () => await pngx.Compress(Cat));
}
[Fact]
public async Task CompressionAndDownload()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Download());
var downloadResult = await pngx.Compress(Cat)
.Download()
.GetImageByteData();
Assert.Equal(16646, downloadResult.Length);
}
[Fact]
public async Task CompressionAndDownloadAndGetUnderlyingStream()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Download());
var downloadResult = await pngx.Compress(Cat)
.Download()
.GetImageStreamData();
Assert.Equal(16646, downloadResult.Length);
}
[Fact]
public async Task CompressionAndDownloadAndWriteToDisk()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Download());
try
{
await pngx.Compress(Cat)
.Download()
.SaveImageToDisk(SavedCatPath);
}
finally
{
//try cleanup any saved file
File.Delete(SavedCatPath);
}
}
[Fact]
public async Task ResizingOperationThrows()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.Compress((string)null).Resize(150, 150));
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.Compress((string)null).Resize(null));
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.Compress(Cat).Resize(null));
Task<Responses.TinyPngCompressResponse> nullCompressResponse = null;
await Assert.ThrowsAsync<ArgumentNullException>(async () => await nullCompressResponse.Resize(150, 150));
await Assert.ThrowsAsync<ArgumentOutOfRangeException>(async () => await pngx.Compress(Cat).Resize(0, 150));
await Assert.ThrowsAsync<ArgumentOutOfRangeException>(async () => await pngx.Compress(Cat).Resize(150, 0));
}
[Fact]
public async Task DownloadingOperationThrows()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Download());
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.Compress((string)null).Download());
Task<Responses.TinyPngCompressResponse> nullCompressResponse = null;
await Assert.ThrowsAsync<ArgumentNullException>(async () => await nullCompressResponse.Download());
}
[Fact]
public async Task DownloadingOperationThrowsOnNonSuccessStatusCode()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.DownloadAndFail());
await Assert.ThrowsAsync<TinyPngApiException>(async () => await pngx.Compress(Cat).Download());
}
[Fact]
public async Task ResizingOperation()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
var resizedImageByteData = await pngx.Compress(Cat).Resize(150, 150).GetImageByteData();
Assert.Equal(5970, resizedImageByteData.Length);
}
[Fact]
public async Task ResizingScaleHeightOperation()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
var resizedImageByteData = await pngx.Compress(Cat).Resize(new ScaleHeightResizeOperation(150)).GetImageByteData();
Assert.Equal(5970, resizedImageByteData.Length);
}
[Fact]
public async Task ResizingScaleWidthOperation()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
var resizedImageByteData = await pngx.Compress(Cat).Resize(new ScaleWidthResizeOperation(150)).GetImageByteData();
Assert.Equal(5970, resizedImageByteData.Length);
}
[Fact]
public async Task ResizingFitResizeOperation()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
var result = await pngx.Compress(Cat);
var resizedImageByteData = await pngx.Compress(Cat).Resize(new FitResizeOperation(150, 150)).GetImageByteData();
Assert.Equal(5970, resizedImageByteData.Length);
}
[Fact]
public async Task ResizingCoverResizeOperation()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
var resizedImageByteData = await pngx.Compress(Cat).Resize(new CoverResizeOperation(150, 150)).GetImageByteData();
Assert.Equal(5970, resizedImageByteData.Length);
}
[Fact]
public async Task ResizingCoverResizeOperationThrowsWithInvalidParams()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.Resize());
await Assert.ThrowsAsync<ArgumentException>(async () => await pngx.Compress(Cat).Resize(new CoverResizeOperation(0, 150)));
await Assert.ThrowsAsync<ArgumentException>(async () => await pngx.Compress(Cat).Resize(new CoverResizeOperation(150, 0)));
}
[Fact]
public void CompressAndStoreToS3ShouldThrowIfNoApiKeyProvided()
{
Assert.Throws<ArgumentNullException>(() => new TinyPngClient(string.Empty, new AmazonS3Configuration("a", "b", "c", "d")));
}
[Fact]
public async Task CompressAndStoreToS3ShouldThrowIfS3HasNotBeenConfigured()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.S3());
var result = await pngx.Compress(Cat);
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.SaveCompressedImageToAmazonS3(null, "bucket/path.jpg"));
await Assert.ThrowsAsync<InvalidOperationException>(async () => await pngx.SaveCompressedImageToAmazonS3(result, string.Empty));
await Assert.ThrowsAsync<InvalidOperationException>(async () => await pngx.SaveCompressedImageToAmazonS3(result, "bucket/path.jpg"));
}
private const string ApiKey = "lolwat";
private const string ApiAccessKey = "lolwat";
[Fact]
public async Task CompressAndStoreToS3()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.S3());
var result = await pngx.Compress(Cat);
var sendToAmazon = (await pngx.SaveCompressedImageToAmazonS3(result,
new AmazonS3Configuration(ApiKey, ApiAccessKey, "tinypng-test-bucket", "ap-southeast-2"),
"path.jpg")).ToString();
Assert.Equal("https://s3-ap-southeast-2.amazonaws.com/tinypng-test-bucket/path.jpg", sendToAmazon);
}
[Fact]
public async Task CompressAndStoreToS3FooBar()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.S3AndFail());
var result = await pngx.Compress(Cat);
await Assert.ThrowsAsync<TinyPngApiException>(async () =>
await pngx.SaveCompressedImageToAmazonS3(result,
new AmazonS3Configuration(ApiKey, ApiAccessKey, "tinypng-test-bucket", "ap-southeast-2"), "path"));
}
[Fact]
public async Task CompressAndStoreToS3Throws()
{
var pngx = new TinyPngClient(apiKey);
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.S3());
var result = await pngx.Compress(Cat);
await Assert.ThrowsAsync<ArgumentNullException>(async () => await pngx.SaveCompressedImageToAmazonS3(result, null, string.Empty));
//S3 configuration has not been set
await Assert.ThrowsAsync<InvalidOperationException>(async () => await pngx.SaveCompressedImageToAmazonS3(result, path: string.Empty));
}
[Fact]
public async Task CompressAndStoreToS3WithOptionsPassedIntoConstructor()
{
var pngx = new TinyPngClient(apiKey, new AmazonS3Configuration(ApiKey, ApiAccessKey, "tinypng-test-bucket", "ap-southeast-2"));
TinyPngClient.HttpClient = new HttpClient(new FakeResponseHandler()
.Compress()
.S3());
var result = await pngx.Compress(Cat);
var sendToAmazon = (await pngx.SaveCompressedImageToAmazonS3(result, "path.jpg")).ToString();
Assert.Equal("https://s3-ap-southeast-2.amazonaws.com/tinypng-test-bucket/path.jpg", sendToAmazon);
}
[Fact]
public void TinyPngExceptionPopulatesCorrectData()
{
var StatusCode = 200;
var StatusReasonPhrase = "status";
var ErrorTitle = "title";
var ErrorMessage = "message";
var e = new TinyPngApiException(StatusCode, StatusReasonPhrase, ErrorTitle, "message");
var msg = $"Api Service returned a non-success status code when attempting an operation on an image: {StatusCode} - {StatusReasonPhrase}. {ErrorTitle}, {ErrorMessage}";
Assert.Equal(StatusCode, e.StatusCode);
Assert.Equal(StatusReasonPhrase, e.StatusReasonPhrase);
Assert.Equal(ErrorTitle, e.ErrorTitle);
Assert.Equal(msg, e.Message);
}
[Fact]
public void CallingDisposeDoesNotBlowUpTheWorld()
{
var pngx = new TinyPngClient(apiKey);
pngx.Dispose();
}
}
}
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