public async Task DownloadFile_GivenAvailableDownload_WhenNoExistingFile_ShouldDownloadEntireFile()
{
//---------------Set up test pack-------------------
using (var http = new HttpServer())
{
var folder = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
Directory.CreateDirectory(folder);
var someBytes = RandomValueGen.GetRandomBytes(100, 200);
var srcPath = RandomValueGen.GetRandomString(10, 20);
http.AddFileHandler((processor, stream) => processor.Path == "/" + srcPath ? someBytes : null);
var sut = Create();
var linkUrl = http.GetFullUrlFor(srcPath);
var expectedFile = Path.Combine(folder, srcPath);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = await sut.Download(linkUrl, expectedFile);
//---------------Test Result -----------------------
Assert.That(result, Is.True);
Assert.IsTrue(File.Exists(expectedFile));
CollectionAssert.AreEqual(someBytes, File.ReadAllBytes(expectedFile));
}
}
public async Task Download_GivenUrl_WhenCanDownload_ShouldReturnData()
{
//---------------Set up test pack-------------------
using (var server = new HttpServer())
using (var tempFile = new AutoTempFile())
{
var relativeUrl = GetRandomString();
var expected = GetRandomBytes();
server.AddFileHandler((processor, stream) =>
{
if (processor.Path != "/" + relativeUrl)
{
throw new Exception($"Unexpected request {processor.Path}"); // test should fail if incorrect url is used
}
return(expected);
});
var sut = Create();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = await sut.DownloadDataAsync(server.GetFullUrlFor(relativeUrl));
//---------------Test Result -----------------------
Assert.IsTrue(result.Success);
CollectionAssert.AreEqual(expected, result.Data);
}
}
