public async Task Test(ChunkTestCase testCase)
{
var stream = new MockReadRowsStream(
new ReadRowsResponse
{
Chunks = { testCase.Chunks.Select(json => CellChunk.Parser.ParseJson(json)) }
});
List <Row> responses;
if (testCase.ExpectsError)
{
// Do not use ToList() here. We want to get all results before the first failure.
responses = new List <Row>();
await Assert.ThrowsAsync <InvalidOperationException>(
() => stream.AsAsyncEnumerable().ForEachAsync(row => responses.Add(row)));
}
else
{
responses = await stream.AsAsyncEnumerable().ToList();
}
var results = from row in responses
from family in row.Families
from column in family.Columns
from cell in column.Cells
select new TestResult
{
RowKey = row.Key.ToStringUtf8(),
FamilyName = family.Name,
Qualifier = column.Qualifier.ToStringUtf8(),
Timestamp = cell.TimestampMicros,
Value = cell.Value.ToStringUtf8(),
Label = cell.Labels.FirstOrDefault() ?? "",
Error = false
};
var expectedResults = testCase.GetNonExceptionResults();
Assert.True(expectedResults.SequenceEqual(results), testCase.Name);
}
public Enumerator(MockReadRowsStream owner, IAsyncEnumerator <ReadRowsResponse> underlyingStream)
{
_owner = owner;
_underlyingStream = underlyingStream;
}
public static BigtableClient CreateReadRowsMockClient(
ReadRowsRequest initialRequest,
ReadRowsResponse[] initialStreamResponse,
ReadRowsResponse[][] responsesForRetryStreams = null,
bool errorAtEndOfLastStream = false)
{
MockReadRowsStream lastStream = null;
var result = CreateMockClientForStreamingRpc(
initialRequest,
c => c.ReadRows(
It.Is <ReadRowsRequest>(r => ReferenceEquals(r, initialRequest)),
It.IsAny <CallSettings>()),
c => c.ReadRows(
It.IsAny <ReadRowsRequest>(),
It.IsAny <CallSettings>()),
initialStreamResponse,
responsesForRetryStreams,
itemsToStream: entries =>
lastStream = new MockReadRowsStream(entries)
{
ShouldErrorAtEnd = true
},
validator: (request, response) =>
{
// Make sure the request is properly formulated for the mock stream being returned.
// Each response chunk should be a continuation of a previous chunk or from a row
// that was requested.
if (!response.Responses.SelectMany(r => r.Chunks).All(
c => c.RowKey.IsEmpty || IsRequested(request, c.RowKey)))
{
throw new InvalidOperationException("The specified request is invalid for the mock stream about to be returned.");
}
});
// All but the last stream should end with an RpcException which permits retrying with the
// default RetrySettings so the higher level ReadRowsStream keeps retrying
// (see `ShouldErrorAtEnd = true` above). The last stream should end normally, unless
// errorAtEndOfLastStream is true, in which case it should end with an error as well.
lastStream.ShouldErrorAtEnd = errorAtEndOfLastStream;
return(result);
bool IsRequested(ReadRowsRequest request, BigtableByteString rowKey)
{
return
(request.Rows.RowRanges.Any(IsInRange) ||
request.Rows.RowKeys.Contains((ByteString)rowKey));
bool IsInRange(RowRange range)
{
switch (range.StartKeyCase)
{
case RowRange.StartKeyOneofCase.StartKeyClosed:
if (rowKey < range.StartKeyClosed)
{
return(false);
}
break;
case RowRange.StartKeyOneofCase.StartKeyOpen:
if (rowKey <= range.StartKeyOpen)
{
return(false);
}
break;
}
if (!range.EndKeyClosed.IsEmpty)
{
switch (range.EndKeyCase)
{
case RowRange.EndKeyOneofCase.EndKeyClosed:
if (range.EndKeyClosed < rowKey)
{
return(false);
}
break;
case RowRange.EndKeyOneofCase.EndKeyOpen:
if (range.EndKeyOpen <= rowKey)
{
return(false);
}
break;
}
}
return(true);
}
}
}
