public async Task save_write_throws()
{
var stream = new Mock <Stream>();
stream.Setup(s => s.Write(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>()))
.Throws(new Exception("Stream.Write"));
stream.Setup(s => s.CanWrite).Returns(true);
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenWriteAsync("test")), stream.Object);
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("0");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
projection.Setup(p => p.TrySaveAsync(It.IsAny <Stream>(), It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Throws(new Exception("Projection.TrySaveAsync"));
var reified = Make(projection.Object, cache.Object);
try
{
await reified.TrySaveAsync(CancellationToken.None);
Assert.Fail("Exception expected.");
}
catch (Exception e)
{
Assert.AreEqual("Stream.Write", e.Message);
}
}
public override async Task save_auto_inconsistent()
{
var ms = new MemoryStream();
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenWriteAsync("test")), ms);
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("0");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
projection.Setup(p => p.TrySaveAsync(It.IsAny <Stream>(), It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Throws(new Exception("Projection.TrySaveAsync"));
projection.Setup(p => p.Apply(It.IsAny <uint>(), It.IsAny <int>(), It.IsAny <string>()))
.Throws(new Exception("Boo."));
var reified = Make(projection.Object, cache.Object);
Assert.Throws <AggregateException>(() => reified.Apply(1U, 13), "Boo."); // Sets 'inconsistent'
await reified.TrySaveAsync(CancellationToken.None);
CollectionAssert.AreEqual(new byte[]
{
// Cut short
}, ms.ToArray());
}
public async Task save_reset_inconsistent()
{
var ms = new MemoryStream();
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenWriteAsync("test")), ms);
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("0");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
projection.Setup(p => p.TrySaveAsync(It.IsAny <Stream>(), It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Returns <Stream, string, CancellationToken>((s, state, c) =>
{
var bytes = Encoding.UTF8.GetBytes((string)state);
s.Write(bytes, 0, bytes.Length);
return(Task.FromResult(true));
});
var reified = Make(projection.Object, cache.Object);
reified.SetPossiblyInconsistent();
reified.Reset();
await reified.TrySaveAsync(CancellationToken.None);
CollectionAssert.AreEqual(new byte[]
{
0x00, 0x00, 0x00, 0x00, // Sequence number (first)
0x30, // Contents "0"
0x00, 0x00, 0x00, 0x00 // Sequence number (last)
}, ms.ToArray());
}
public async Task save_throws()
{
var ms = new MemoryStream();
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenWriteAsync("test")), ms);
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("0");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
projection.Setup(p => p.TrySaveAsync(It.IsAny <Stream>(), It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Throws(new Exception("Projection.TrySaveAsync"));
var reified = Make(projection.Object, cache.Object);
try
{
await reified.TrySaveAsync(CancellationToken.None);
Assert.Fail("Exception expected.");
}
catch (Exception e)
{
Assert.AreEqual("Projection.TrySaveAsync", e.Message);
}
CollectionAssert.AreEqual(new byte[]
{
0x00, 0x00, 0x00, 0x00, // Sequence number (first)
// Cut short
}, ms.ToArray());
}
public async Task load_state_bad_name()
{
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenReadAsync("test")), new MemoryStream(new byte[]
{
0x02, 0x00, 0x00, 0x00, // Current position (beginning)
0x30, 0x30, 0x30, 0x30, // Event data "0000"
0x02, 0x00, 0x00, 0x00 // Current position (end)
}));
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenReadAsync("other")), new MemoryStream(new byte[0]));
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("I");
projection.Setup(p => p.FullName).Returns("other");
projection.Setup(p => p.State).Returns(typeof(string));
ReturnsExtensions.ReturnsAsync(projection.Setup(p => p.TryLoadAsync(It.IsAny <Stream>(), It.IsAny <CancellationToken>())), "bad");
var reified = Make(projection.Object, cache.Object);
await reified.TryLoadAsync(CancellationToken.None);
Assert.AreEqual((uint)0U, (uint)reified.Sequence);
Assert.AreEqual("I", reified.Current);
}
public async Task load_state()
{
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenReadAsync("test")), new MemoryStream(new byte[]
{
0x02, 0x00, 0x00, 0x00, // Current position (beginning)
0x30, 0x30, 0x30, 0x30, // Event data "0000"
0x02, 0x00, 0x00, 0x00 // Current position (end)
}));
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("I");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
projection.Setup(p => p.TryLoadAsync(It.IsAny <Stream>(), It.IsAny <CancellationToken>()))
.Returns <Stream, CancellationToken>((s, c) =>
{
var bytes = new byte[4];
s.Read(bytes, 0, 4);
return(Task.FromResult(Encoding.UTF8.GetString(bytes)));
});
var reified = Make(projection.Object, cache.Object);
await reified.TryLoadAsync(CancellationToken.None);
Assert.AreEqual((uint)2U, (uint)reified.Sequence);
Assert.AreEqual("0000", reified.Current);
}
public async Task load_state_bad_name()
{
var cache = new Testing.InMemoryCache
{
{ "test", new byte[]
{
0x02, 0x00, 0x00, 0x00, // Current position (beginning)
0x30, 0x30, 0x30, 0x30, // Event data "0000"
0x02, 0x00, 0x00, 0x00 // Current position (end)
} },
{ "other", new byte[0] }
};
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("I");
projection.Setup(p => p.FullName).Returns("other");
projection.Setup(p => p.State).Returns(typeof(string));
ReturnsExtensions.ReturnsAsync(projection.Setup(p => p.TryLoadAsync(It.IsAny <Stream>(), It.IsAny <CancellationToken>())), "bad");
var reified = Make(projection.Object, cache);
await reified.TryLoadAsync(CancellationToken.None);
Assert.Equal(0U, reified.Sequence);
Assert.Equal("I", reified.Current);
}
public void GetFailure()
{
ReturnsExtensions.ReturnsAsync(_firebaseRequestManagerMock.Setup(
firebaseRequestManager => firebaseRequestManager.RequestAsync(HttpMethod.Get, "todos", (object)null)),
_failureResponse);
Assert.Throws <FirebaseException>(() => _firebaseClient.Get("todos"));
}
public void DeleteAsyncFailure()
{
ReturnsExtensions.ReturnsAsync(_firebaseRequestManagerMock.Setup(
firebaseRequestManager => firebaseRequestManager.RequestAsync(HttpMethod.Delete, "todos", (object)null)),
_failureResponse);
Assert.Throws <FirebaseException>(async() => await _firebaseClient.DeleteAsync("todos"));
}
public void UpdateAsyncFailure()
{
ReturnsExtensions.ReturnsAsync(_firebaseRequestManagerMock.Setup(
firebaseRequestManager => firebaseRequestManager.RequestAsync(RequestManager.Patch, "todos", _expected)),
_failureResponse);
Assert.Throws <FirebaseException>(async() => await _firebaseClient.UpdateAsync("todos", _expected));
}
public void PushAsyncFailure()
{
ReturnsExtensions.ReturnsAsync(_firebaseRequestManagerMock.Setup(
firebaseRequestManager => firebaseRequestManager.RequestAsync(HttpMethod.Post, "todos", _expected)),
_failureResponse);
Assert.Throws <FirebaseException>(async() => await _firebaseClient.PushAsync("todos", _expected));
}
public async Task multi_apply_separate()
{
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenReadAsync("string")), new MemoryStream(new byte[]
{
0x02, 0x00, 0x00, 0x00, // Current position (beginning)
0x30, 0x30, 0x30, 0x30, // Event data "0000"
0x02, 0x00, 0x00, 0x00 // Current position (end)
}));
var str = MockString();
str.Setup(p => p.TryLoadAsync(It.IsAny <Stream>(), It.IsAny <CancellationToken>()))
.Returns <Stream, CancellationToken>((s, c) =>
{
var bytes = new byte[4];
s.Read(bytes, 0, 4);
return(Task.FromResult(Encoding.UTF8.GetString(bytes)));
});
var reified = new ReifiedProjectionGroup <int, State>(new IProjection <int>[]
{
MockInteger().Object,
str.Object
}, cache.Object);
await reified.TryLoadAsync(CancellationToken.None);
reified.Apply(1U, 10);
reified.Apply(4U, 14);
Assert.AreEqual((uint)4U, (uint)reified.Sequence);
Assert.AreEqual((int)24, (int)reified.Current.I.Value);
Assert.AreEqual("0000(14:4)", reified.Current.S);
}
public async Task load_state_sream_throws()
{
var stream = new Mock <Stream>();
stream.Setup(s => s.Read(It.IsAny <byte[]>(), It.IsAny <int>(), It.IsAny <int>()))
.Throws(new Exception("Stream.Read"));
stream.Setup(s => s.CanRead).Returns(true);
var cache = new Mock <IProjectionCacheProvider>();
ReturnsExtensions.ReturnsAsync(cache.Setup(c => c.OpenReadAsync("test")), stream.Object);
var projection = new Mock <IProjection <int, string> >();
projection.Setup(p => p.Initial).Returns("I");
projection.Setup(p => p.FullName).Returns("test");
projection.Setup(p => p.State).Returns(typeof(string));
ReturnsExtensions.ReturnsAsync(projection.Setup(p => p.TryLoadAsync(It.IsAny <Stream>(), It.IsAny <CancellationToken>())), "bad");
var reified = Make(projection.Object, cache.Object);
try
{
await reified.TryLoadAsync(CancellationToken.None);
Assert.Fail("Expected exception");
}
catch (Exception e)
{
Assert.AreEqual("Stream.Read", e.Message);
}
Assert.AreEqual((uint)0U, (uint)reified.Sequence);
Assert.AreEqual("I", reified.Current);
}