public async Task Save_overwrites_memento_blob_if_already_exists()
{
// Arrange
var userId = Guid.NewGuid();
FakeUserMemento oldMemento = fixture.Create <FakeUserMemento>();
CloudBlockBlob blob = s_container.GetBlockBlobReference(
AzureMementoStore.GetMementoBlobName <FakeUser>(userId));
await blob.UploadTextAsync(serializer.Serialize(oldMemento));
FakeUserMemento memento = fixture.Create <FakeUserMemento>();
// Act
Func <Task> action = () => sut.Save <FakeUser>(userId, memento, CancellationToken.None);
// Assert
action.ShouldNotThrow();
blob.Exists().Should().BeTrue();
using (Stream s = await blob.OpenReadAsync())
using (var reader = new StreamReader(s))
{
string json = await reader.ReadToEndAsync();
object actual = serializer.Deserialize(json);
actual.Should().BeOfType <FakeUserMemento>();
actual.ShouldBeEquivalentTo(memento);
}
}
public void TestInitialize()
{
if (s_storageEmulatorConnected == false)
{
Assert.Inconclusive("Could not connect to Azure Storage Emulator. See the output for details. Refer to the following URL for more information: http://go.microsoft.com/fwlink/?LinkId=392237");
}
fixture = new Fixture().Customize(new AutoMoqCustomization());
serializer = new JsonMessageSerializer();
sut = new AzureMementoStore(s_container, serializer);
}
public async Task Delete_deletes_memento_blob()
{
var userId = Guid.NewGuid();
FakeUserMemento memento = fixture.Create <FakeUserMemento>();
await sut.Save <FakeUser>(userId, memento, CancellationToken.None);
await sut.Delete <FakeUser>(userId, CancellationToken.None);
CloudBlockBlob blob = s_container.GetBlockBlobReference(
AzureMementoStore.GetMementoBlobName <FakeUser>(userId));
blob.Exists().Should().BeFalse();
}
public async Task Save_sets_ContentType_to_application_json()
{
var userId = Guid.NewGuid();
FakeUserMemento memento = fixture.Create <FakeUserMemento>();
await sut.Save <FakeUser>(userId, memento, CancellationToken.None);
string blobName =
AzureMementoStore.GetMementoBlobName <FakeUser>(userId);
ICloudBlob blob = await
s_container.GetBlobReferenceFromServerAsync(blobName);
blob.Properties.ContentType.Should().Be("application/json");
}
public void GetMementoBlobName_returns_correctly_structured_name()
{
var userId = Guid.NewGuid();
string s = userId.ToString();
string actual =
AzureMementoStore.GetMementoBlobName <FakeUser>(userId);
TestContext.WriteLine("{0}", actual);
var fragments = new[]
{
typeof(FakeUser).FullName,
s.Substring(0, 2),
s.Substring(2, 2),
$"{s}.json"
};
actual.Should().Be(string.Join("/", fragments));
}
public async Task Save_uploads_memento_blob_correctly()
{
// Arrange
var userId = Guid.NewGuid();
FakeUserMemento memento = fixture.Create <FakeUserMemento>();
// Act
await sut.Save <FakeUser>(userId, memento, CancellationToken.None);
// Assert
CloudBlockBlob blob = s_container.GetBlockBlobReference(
AzureMementoStore.GetMementoBlobName <FakeUser>(userId));
blob.Exists().Should().BeTrue();
using (Stream s = await blob.OpenReadAsync())
using (var reader = new StreamReader(s))
{
string json = await reader.ReadToEndAsync();
object actual = serializer.Deserialize(json);
actual.Should().BeOfType <FakeUserMemento>();
actual.ShouldBeEquivalentTo(memento);
}
}
