public async void FetchAsyncAndCurrentWillReturnPeekedAfterPeek()
{
var result = ResultCursorCreator.CreateResultCursor(1);
var peeked = await result.PeekAsync();
peeked.Should().NotBeNull();
var read = await result.FetchAsync();
read.Should().BeTrue();
var record = result.Current;
record.Should().NotBeNull();
record.Should().Be(peeked);
}
public async void ShouldCallGetSummary()
{
bool getSummaryCalled = false;
var result = ResultCursorCreator.CreateResultCursor(1, 0, () =>
{
getSummaryCalled = true;
return(Task.FromResult((IResultSummary)null));
});
// ReSharper disable once UnusedVariable
var summary = await result.SummaryAsync();
getSummaryCalled.Should().BeTrue();
}
public async void ShouldConsumeSummaryCorrectly()
{
int getSummaryCalled = 0;
var result = ResultCursorCreator.CreateResultReader(1, 0, () => { getSummaryCalled++; return(Task.FromResult((IResultSummary) new FakeSummary())); });
await result.ConsumeAsync();
getSummaryCalled.Should().Be(1);
// the same if we call it multiple times
await result.ConsumeAsync();
getSummaryCalled.Should().Be(1);
}
public async void ShouldGetTheFirstRecordAndMoveToNextPosition()
{
var result = ResultCursorCreator.CreateResultCursor(1, 3);
var read = await result.FetchAsync();
read.Should().BeTrue();
var record = result.Current;
record[0].As <string>().Should().Be("record0:key0");
read = await result.FetchAsync();
read.Should().BeTrue();
record = result.Current;
record[0].As <string>().Should().Be("record1:key0");
}
public async void ShouldReturnExistingSummaryWhenSummaryHasBeenRetrieved()
{
int getSummaryCalled = 0;
var result = ResultCursorCreator.CreateResultCursor(1, 0, () =>
{
getSummaryCalled++;
return(Task.FromResult((IResultSummary) new FakeSummary()));
});
// ReSharper disable once NotAccessedVariable
var summary = await result.SummaryAsync();
// ReSharper disable once RedundantAssignment
summary = await result.SummaryAsync();
getSummaryCalled.Should().Be(1);
}
public async void ShouldAllowKeysAndConsumeAfterConsume()
{
var result = ResultCursorCreator.CreateResultCursor(1, 3);
var summary0 = await result.ConsumeAsync();
var keys1 = await result.KeysAsync();
var summary1 = await result.ConsumeAsync();
var keys2 = await result.KeysAsync();
var summary2 = await result.ConsumeAsync();
summary1.Should().Be(summary0);
summary2.Should().Be(summary0);
keys1.Should().BeEquivalentTo(keys2);
}
