public void TestSelect_invalidLayerDigest()
{
CacheStorageFiles cacheStorageFiles =
new CacheStorageFiles(temporaryFolder.NewFolder().ToPath());
CacheStorageReader cacheStorageReader = new CacheStorageReader(cacheStorageFiles);
DescriptorDigest selector = layerDigest1;
SystemPath selectorFile = cacheStorageFiles.GetSelectorFile(selector);
Files.CreateDirectories(selectorFile.GetParent());
Files.Write(selectorFile, Encoding.UTF8.GetBytes("not a valid layer digest"));
try
{
cacheStorageReader.Select(selector);
Assert.Fail("Should have thrown CacheCorruptedException");
}
catch (CacheCorruptedException ex)
{
Assert.That(
ex.Message,
Does.StartWith(
"Expected valid layer digest as contents of selector file `"
+ selectorFile
+ "` for selector `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`, but got: not a valid layer digest"));
}
}
public void TestSelect()
{
CacheStorageFiles cacheStorageFiles =
new CacheStorageFiles(temporaryFolder.NewFolder().ToPath());
CacheStorageReader cacheStorageReader = new CacheStorageReader(cacheStorageFiles);
DescriptorDigest selector = layerDigest1;
SystemPath selectorFile = cacheStorageFiles.GetSelectorFile(selector);
Files.CreateDirectories(selectorFile.GetParent());
Files.Write(selectorFile, Encoding.UTF8.GetBytes(layerDigest2.GetHash()));
Maybe <DescriptorDigest> selectedLayerDigest = cacheStorageReader.Select(selector);
Assert.IsTrue(selectedLayerDigest.IsPresent());
Assert.AreEqual(layerDigest2, selectedLayerDigest.Get());
}
