public ConnectedProjectionScenarioWrapper(ConnectedProjectionScenario <TContext> inner, Func <TContext> contextFactory, Random random, Action <string> logAction)
{
_inner = inner;
_contextFactory = contextFactory;
_random = random;
_logAction = logAction;
}
public void SetUp()
{
_resolver = Resolve.
WhenEqualToHandlerMessageType(new ConnectedProjectionHandler <object> [0]);
_messages = new[] { new object(), new object() };
_sut = new ConnectedProjectionScenario <object>(_resolver).Given(_messages);
}
public static async Task ExpectNone(this ConnectedProjectionScenario <ProductContext> scenario)
{
var database = Guid.NewGuid().ToString("N");
var specification = scenario.Verify(async context =>
{
var actualRecords = await context.AllRecords();
return(actualRecords.Length == 0
? VerificationResult.Pass()
: VerificationResult.Fail($"Expected 0 records but found {actualRecords.Length}."));
});
using (var context = CreateContextFor(database))
{
var projector = new ConnectedProjector <ProductContext>(specification.Resolver);
foreach (var message in specification.Messages)
{
var envelope = new Envelope(message, new Dictionary <string, object>()).ToGenericEnvelope();
await projector.ProjectAsync(context, envelope);
}
await context.SaveChangesAsync();
}
using (var context = CreateContextFor(database))
{
var result = await specification.Verification(context, CancellationToken.None);
if (result.Failed)
{
throw specification.CreateFailedScenarioExceptionFor(result);
}
}
}
public static Task ExpectNone(this ConnectedProjectionScenario <IAsyncDocumentSession> scenario)
{
return(scenario
.Verify(async session =>
{
using (var streamer = await session.Advanced.StreamAsync <RavenJObject>(Etag.Empty))
{
if (await streamer.MoveNextAsync())
{
var storedDocumentIdentifiers = new List <string>();
do
{
storedDocumentIdentifiers.Add(streamer.Current.Key);
} while (await streamer.MoveNextAsync());
return VerificationResult.Fail(
string.Format("Expected no documents, but found {0} document(s) ({1}).",
storedDocumentIdentifiers.Count,
string.Join(",", storedDocumentIdentifiers)));
}
return VerificationResult.Pass();
}
})
.Assert());
}
//DO NOT MOVE TO LIB
public ConnectedProjectionScenarioWrapper <TContext> Project <T>(IGenerator <T> eventGenerator)
{
var @event = eventGenerator.Generate(_random);
_logAction($"Projecting event\r\n{@event.ToLoggableString(Formatting.Indented)}");
_inner = _inner.Given(new Envelope <T>(new Envelope(@event, new ConcurrentDictionary <string, object>())));
return(this);
}
public static Task Expect(this ConnectedProjectionScenario <MemoryCache> scenario, params CacheItem[] items)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
if (items.Length == 0)
{
return(scenario.ExpectNone());
}
return(scenario.
Verify(cache =>
{
if (cache.GetCount() != items.Length)
{
if (cache.GetCount() == 0)
{
return Task.FromResult(
VerificationResult.Fail(
string.Format("Expected {0} cache item(s), but found 0 cache items.",
items.Length)));
}
return Task.FromResult(
VerificationResult.Fail(
string.Format("Expected {0} cache item(s), but found {1} cache item(s) ({2}).",
items.Length,
cache.GetCount(),
string.Join(",", cache.Select(pair => pair.Key)))));
}
if (!cache.Select(pair => cache.GetCacheItem(pair.Key)).SequenceEqual(items, new CacheItemEqualityComparer()))
{
var builder = new StringBuilder();
builder.AppendLine("Expected the following cache items:");
foreach (var expectedItem in items)
{
builder.AppendLine(expectedItem.Key + ": " + JToken.FromObject(expectedItem.Value).ToString());
}
builder.AppendLine();
builder.AppendLine("But found the following cache items:");
foreach (var actualItem in cache)
{
builder.AppendLine(actualItem.Key + ": " + JToken.FromObject(actualItem.Value).ToString());
}
return Task.FromResult(VerificationResult.Fail(builder.ToString()));
}
return Task.FromResult(VerificationResult.Pass());
}).
Assert());
}
public static async Task Expect(
this ConnectedProjectionScenario <ProductContext> scenario,
params object[] records)
{
var database = Guid.NewGuid().ToString("N");
var specification = scenario.Verify(async context =>
{
var comparisonConfig = new ComparisonConfig {
MaxDifferences = 5
};
var comparer = new CompareLogic(comparisonConfig);
var actualRecords = await context.AllRecords();
var result = comparer.Compare(
actualRecords,
records
);
return(result.AreEqual
? VerificationResult.Pass()
: VerificationResult.Fail(result.CreateDifferenceMessage(actualRecords, records)));
});
using (var context = CreateContextFor(database))
{
var projector = new ConnectedProjector <ProductContext>(specification.Resolver);
var position = 0L;
foreach (var message in specification.Messages)
{
var envelope = new Envelope(message, new Dictionary <string, object> {
{ "Position", position }
}).ToGenericEnvelope();
await projector.ProjectAsync(context, envelope);
position++;
}
await context.SaveChangesAsync();
}
using (var context = CreateContextFor(database))
{
var result = await specification.Verification(context, CancellationToken.None);
if (result.Failed)
{
throw specification.CreateFailedScenarioExceptionFor(result);
}
}
}
public static Task ExpectNone(this ConnectedProjectionScenario <MemoryCache> scenario)
{
return(scenario.
Verify(cache =>
{
if (cache.GetCount() != 0)
{
return Task.FromResult(
VerificationResult.Fail(
string.Format("Expected no cache items, but found {0} cache item(s) ({1}).",
cache.GetCount(),
string.Join(",", cache.Select(pair => pair.Key)))));
}
return Task.FromResult(VerificationResult.Pass());
}).
Assert());
}
public static Task Expect(
this ConnectedProjectionScenario <ProductContext> scenario,
IEnumerable <object> records)
{
return(scenario.Expect(records.ToArray()));
}
public static Task Expect(
this ConnectedProjectionScenario <ApiProjectionsContext> scenario,
ITestOutputHelper testOutputHelper,
IEnumerable <object> records) => scenario.Expect(testOutputHelper, records.ToArray());
public static Task Expect(this ConnectedProjectionScenario <IAsyncDocumentSession> scenario, params object[] documents)
{
if (documents == null)
{
throw new ArgumentNullException("documents");
}
if (documents.Length == 0)
{
return(scenario.ExpectNone());
}
return(scenario
.Verify(async session =>
{
using (var streamer = await session.Advanced.StreamAsync <object>(Etag.Empty))
{
var storedDocuments = new List <object>();
var storedDocumentIdentifiers = new List <string>();
while (await streamer.MoveNextAsync())
{
storedDocumentIdentifiers.Add(streamer.Current.Key);
storedDocuments.Add(streamer.Current.Document);
}
if (documents.Length != storedDocumentIdentifiers.Count)
{
if (storedDocumentIdentifiers.Count == 0)
{
return VerificationResult.Fail(
string.Format("Expected {0} document(s), but found 0 documents.",
documents.Length));
}
return VerificationResult.Fail(
string.Format("Expected {0} document(s), but found {1} document(s) ({2}).",
documents.Length,
storedDocumentIdentifiers.Count,
string.Join(",", storedDocumentIdentifiers)));
}
var expectedDocuments = documents.Select(JToken.FromObject).ToArray();
var actualDocuments = storedDocuments.Select(JToken.FromObject).ToArray();
if (!expectedDocuments.SequenceEqual(actualDocuments, new JTokenEqualityComparer()))
{
var builder = new StringBuilder();
builder.AppendLine("Expected the following documents:");
foreach (var expectedDocument in expectedDocuments)
{
builder.AppendLine(expectedDocument.ToString());
}
builder.AppendLine();
builder.AppendLine("But found the following documents:");
foreach (var actualDocument in actualDocuments)
{
builder.AppendLine(actualDocument.ToString());
}
return VerificationResult.Fail(builder.ToString());
}
return VerificationResult.Pass();
}
})
.Assert());
}
