mirror of
https://github.com/kopia/kopia.git
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c7e9c92c74
* content: added tests for contentCacheForMetadata * content: added tests for contentCacheForData
81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
package content
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/kopia/kopia/internal/blobtesting"
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"github.com/kopia/kopia/internal/cache"
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"github.com/kopia/kopia/internal/gather"
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"github.com/kopia/kopia/internal/testlogging"
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"github.com/kopia/kopia/repo/blob"
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)
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func TestContentCacheForData(t *testing.T) {
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ctx := testlogging.Context(t)
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underlyingData := blobtesting.DataMap{}
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underlying := blobtesting.NewMapStorage(underlyingData, nil, nil)
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cacheData := blobtesting.DataMap{}
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metadataCacheStorage := blobtesting.NewMapStorage(cacheData, nil, nil).(cache.Storage)
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dataCache, err := newContentCacheForData(ctx, underlying, metadataCacheStorage, cache.SweepSettings{
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MaxSizeBytes: 100,
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}, []byte{1, 2, 3, 4})
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require.NoError(t, err)
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var tmp gather.WriteBuffer
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defer tmp.Close()
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// get something we don't have in the underlying storage
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require.ErrorIs(t, dataCache.getContent(ctx, "key1", "blob1", 0, 3, &tmp), blob.ErrBlobNotFound)
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require.NoError(t, underlying.PutBlob(ctx, "blob1", gather.FromSlice([]byte{1, 2, 3, 4, 5, 6}), blob.PutOptions{}))
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require.NoError(t, dataCache.getContent(ctx, "xkey1", "blob1", 0, 3, &tmp))
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require.Equal(t, []byte{1, 2, 3}, tmp.ToByteSlice())
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require.NoError(t, dataCache.getContent(ctx, "xkey2", "blob1", 3, 3, &tmp))
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require.Equal(t, []byte{4, 5, 6}, tmp.ToByteSlice())
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// cache has 2 entries, one for each section of the blob.
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require.Len(t, cacheData, 2)
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// keys are mangled so that last character (which is always 0..9 a..f) is the first.
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require.Contains(t, cacheData, blob.ID("key1x"))
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require.Contains(t, cacheData, blob.ID("key2x"))
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dataCache.close(ctx)
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// get slice with cache miss
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require.NoError(t, underlying.PutBlob(ctx, "blob2", gather.FromSlice([]byte{1, 2, 3, 4, 5, 6}), blob.PutOptions{}))
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require.NoError(t, dataCache.getContent(ctx, "aaa1", "blob2", 3, 3, &tmp))
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require.Equal(t, []byte{4, 5, 6}, tmp.ToByteSlice())
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// even-length content IDs are not mangled
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require.Len(t, cacheData, 3)
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require.Contains(t, cacheData, blob.ID("aaa1"))
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}
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func TestContentCacheForData_Passthrough(t *testing.T) {
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underlyingData := blobtesting.DataMap{}
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underlying := blobtesting.NewMapStorage(underlyingData, nil, nil)
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ctx := testlogging.Context(t)
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dataCache, err := newContentCacheForData(ctx, underlying, nil, cache.SweepSettings{
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MaxSizeBytes: 100,
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}, []byte{1, 2, 3, 4})
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require.NoError(t, err)
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require.NoError(t, underlying.PutBlob(ctx, "blob1", gather.FromSlice([]byte{1, 2, 3, 4, 5, 6}), blob.PutOptions{}))
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var tmp gather.WriteBuffer
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defer tmp.Close()
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require.NoError(t, dataCache.getContent(ctx, "key1", "blob1", 0, 5, &tmp))
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require.Equal(t, []byte{1, 2, 3, 4, 5}, tmp.ToByteSlice())
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}
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