public void AttemptToLoadDataWithFilesInForLoading_AgreementBetweenForLoadingAndCache()
{
var tempDirPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
var tempDir = Directory.CreateDirectory(tempDirPath);
try
{
// File in cache is the same file as in ForLoading (20160101.zip)
var loadDirectory = LoadDirectory.CreateDirectoryStructure(tempDir, "CachedFileRetriever");
var cachedFilePath = Path.Combine(loadDirectory.Cache.FullName, "2016-01-01.zip");
File.WriteAllText(cachedFilePath, "");
File.WriteAllText(Path.Combine(loadDirectory.ForLoading.FullName, "2016-01-01.zip"), "");
// Set up retriever
var cacheLayout = new ZipCacheLayoutOnePerDay(loadDirectory.Cache, new NoSubdirectoriesCachePathResolver());
var retriever = new TestCachedFileRetriever()
{
ExtractFilesFromArchive = false,
LoadProgress = _lpMock,
Layout = cacheLayout
};
// Set up job
var job = CreateTestJob(loadDirectory);
job.DatesToRetrieve = new List <DateTime>
{
new DateTime(2016, 01, 01)
};
// Should complete successfully, the file in ForLoading matches the job specification
retriever.Fetch(job, new GracefulCancellationToken());
// And ForLoading should still have the file in it (i.e. it hasn't mysteriously disappeared)
Assert.IsTrue(File.Exists(Path.Combine(loadDirectory.ForLoading.FullName, "2016-01-01.zip")));
}
finally
{
tempDir.Delete(true);
}
}
public void AttemptToLoadDataWithoutFilesInForLoading()
{
var tempDirPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
var tempDir = Directory.CreateDirectory(tempDirPath);
try
{
// File in cache only, no files in ForLoading
var loadDirectory = LoadDirectory.CreateDirectoryStructure(tempDir, "CachedFileRetriever");
var cachedFilePath = Path.Combine(loadDirectory.Cache.FullName, "2016-01-01.zip");
File.WriteAllText(cachedFilePath, "");
// Set up retriever
var cacheLayout = new ZipCacheLayoutOnePerDay(loadDirectory.Cache, new NoSubdirectoriesCachePathResolver());
var retriever = new TestCachedFileRetriever()
{
ExtractFilesFromArchive = false,
LoadProgress = _lpMock,
Layout = cacheLayout
};
// Set up job
var job = CreateTestJob(loadDirectory);
job.DatesToRetrieve = new List <DateTime>
{
new DateTime(2016, 01, 01)
};
// Should complete successfully, there are no files in ForLoading to worry about
retriever.Fetch(job, new GracefulCancellationToken());
// And the retriever should have copied the cached archive file into ForLoading
Assert.IsTrue(File.Exists(Path.Combine(loadDirectory.ForLoading.FullName, "2016-01-01.zip")));
}
finally
{
tempDir.Delete(true);
}
}
public void AttemptToLoadDataWithFilesInForLoading_DisagreementBetweenCacheAndForLoading()
{
var tempDirPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
var tempDir = Directory.CreateDirectory(tempDirPath);
try
{
// Different file in ForLoading than exists in cache
var loadDirectory = LoadDirectory.CreateDirectoryStructure(tempDir, "CachedFileRetriever");
var cachedFilePath = Path.Combine(loadDirectory.Cache.FullName, "2016-01-02.zip");
File.WriteAllText(cachedFilePath, "");
File.WriteAllText(Path.Combine(loadDirectory.ForLoading.FullName, "2016-01-01.zip"), "");
// Set up retriever
var cacheLayout = new ZipCacheLayoutOnePerDay(loadDirectory.Cache, new NoSubdirectoriesCachePathResolver());
var retriever = new TestCachedFileRetriever()
{
ExtractFilesFromArchive = false,
LoadProgress = _lpMock,
Layout = cacheLayout
};
// Set up job
var job = CreateTestJob(loadDirectory);
job.DatesToRetrieve = new List <DateTime>
{
new DateTime(2016, 01, 02)
};
// Should fail after determining that the files in ForLoading do not match the job specification
var ex = Assert.Throws <InvalidOperationException>(() => retriever.Fetch(job, new GracefulCancellationToken()));
Assert.IsTrue(ex.Message.StartsWith("The files in ForLoading do not match what this job expects to be loading from the cache."), ex.Message + Environment.NewLine + Environment.NewLine + ex.StackTrace);
}
finally
{
tempDir.Delete(true);
}
}