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 TestGetSelectorFile()
{
DescriptorDigest selector =
DescriptorDigest.FromHash(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc");
Assert.AreEqual(
Paths.Get(
"cache",
"directory",
"selectors",
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"),
TEST_CACHE_STORAGE_FILES.GetSelectorFile(selector));
}
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());
}
public async Task TestWrite_uncompressedAsync()
{
IBlob uncompressedLayerBlob = Blobs.From("uncompressedLayerBlob");
BlobDescriptor layerDigestDescriptor = await GetDigestAsync(Compress(uncompressedLayerBlob)).ConfigureAwait(false);
DescriptorDigest layerDigest = layerDigestDescriptor.GetDigest();
BlobDescriptor selectorDescriptor = await GetDigestAsync(Blobs.From("selector")).ConfigureAwait(false);
DescriptorDigest selector = selectorDescriptor.GetDigest();
CachedLayer cachedLayer =
await new CacheStorageWriter(cacheStorageFiles)
.WriteUncompressedAsync(uncompressedLayerBlob, selector).ConfigureAwait(false);
await VerifyCachedLayerAsync(cachedLayer, uncompressedLayerBlob).ConfigureAwait(false);
// Verifies that the files are present.
SystemPath selectorFile = cacheStorageFiles.GetSelectorFile(selector);
Assert.IsTrue(Files.Exists(selectorFile));
Assert.AreEqual(layerDigest.GetHash(), await Blobs.WriteToStringAsync(Blobs.From(selectorFile)).ConfigureAwait(false));
}
