public async Task ReadAllSuccessful()
{
var dataSet = FileDataWorker.ReadAll <BasicData>();
var results = new List <BasicData>();
await foreach (var data in dataSet)
{
results.Add(data);
}
Assert.AreSame(ExpectedBasicData, results.ElementAt(0));
MockFileStreamer.Verify(x => x.UnlockFile("Data\\BasicData\\" + ExpectedBasicData.Id + ".data"),
Times.Once);
}
public async Task ReadAllFailsToGetLockWithRetry()
{
MockFileStreamer
.Setup(x => x.GetLockForFile(It.IsAny <string>()))
.ReturnsAsync(false);
var dataSet = FileDataWorker.ReadAll <BasicData>();
var results = new List <BasicData>();
await foreach (var data in dataSet)
{
results.Add(data);
}
MockFileStreamer.Verify(x => x.ReadDataFromStream <RetryBasicData>(It.IsAny <string>()), Times.Never);
}
public async Task ReadAllFailsDueToReadThrowingAnExceptionWithRetry()
{
MockFileStreamer
.Setup(x => x.ReadDataFromStream <RetryBasicData>(It.IsAny <string>()))
.Throws <Exception>();
var dataSet = FileDataWorker.ReadAll <RetryBasicData>();
var results = new List <RetryBasicData>();
await foreach (var data in dataSet)
{
results.Add(data);
}
MockFileStreamer.Verify(x => x.UnlockFile("Data\\RetryBasicData\\" + ExpectedRetryBasicData.Id + ".data"),
Times.Exactly(3));
}
public async Task ReadAllWhenThereAreNoFiles()
{
MockFileStreamer
.Setup(x => x.GetAllFileNames("Data\\BasicData", "data"))
.Returns(new List <string>().ToArray());
var dataSet = FileDataWorker.ReadAll <BasicData>();
var results = new List <BasicData>();
await foreach (var data in dataSet)
{
results.Add(data);
}
Assert.IsEmpty(results);
MockFileStreamer.Verify(x => x.ReadDataFromStream <BasicData>(It.IsAny <string>()), Times.Never);
}
public async Task ReadAllSuccessfulWithRetry()
{
MockFileStreamer
.SetupSequence(x =>
x.ReadDataFromStream <RetryBasicData>("Data\\RetryBasicData\\" + ExpectedRetryBasicData.Id + ".data"))
.Throws <Exception>()
.ReturnsAsync(ExpectedRetryBasicData);
var dataSet = FileDataWorker.ReadAll <RetryBasicData>();
var results = new List <RetryBasicData>();
await foreach (var data in dataSet)
{
results.Add(data);
}
MockFileStreamer.Verify(x => x.UnlockFile("Data\\RetryBasicData\\" + ExpectedRetryBasicData.Id + ".data"),
Times.Exactly(2));
}