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// Copyright (c) 2023, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package cache
import (
"bytes"
"io"
"os"
"path/filepath"
"testing"
"github.com/opencontainers/go-digest"
)
func TestHandle_PutOciCacheBlob(t *testing.T) {
tmpDir := t.TempDir()
content := []byte("BLOB CONTENT")
contentDigest := digest.FromBytes(content)
tests := []struct {
name string
disableCache bool
cacheType string
blobDigest digest.Digest
content []byte
wantErr bool
}{
{
name: "Success",
disableCache: false,
cacheType: OciBlobCacheType,
blobDigest: contentDigest,
content: content,
wantErr: false,
},
{
name: "Disabled",
disableCache: true,
cacheType: OciBlobCacheType,
blobDigest: contentDigest,
content: content,
wantErr: true,
},
{
name: "BadCacheType",
disableCache: false,
cacheType: LibraryCacheType,
blobDigest: contentDigest,
content: content,
wantErr: true,
},
{
name: "BadDigest",
disableCache: false,
cacheType: OciBlobCacheType,
blobDigest: "NOT A DIGEST",
content: content,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
h, err := New(Config{
ParentDir: tmpDir,
Disable: tt.disableCache,
})
if err != nil {
t.Fatal(err)
}
err = h.PutOciCacheBlob(tt.cacheType, tt.blobDigest, io.NopCloser(bytes.NewBuffer(tt.content)))
if (err != nil) != tt.wantErr {
t.Errorf("Handle.PutOciCacheBlob() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !tt.wantErr {
cacheFile := filepath.Join(tmpDir, "cache", "blob", "blobs", tt.blobDigest.Algorithm().String(), tt.blobDigest.Hex())
cacheContent, err := os.ReadFile(cacheFile)
if err != nil {
t.Errorf("Couldn't read expected cache file: %v", err)
}
if string(cacheContent) != string(tt.content) {
t.Errorf("Content was %q, expected %q", cacheContent, tt.content)
}
}
})
}
}
func TestHandle_GetOciCacheBlob(t *testing.T) {
tmpDir := t.TempDir()
content := []byte("BLOB CONTENT")
contentDigest := digest.FromBytes(content)
PutHandle, err := New(Config{
ParentDir: tmpDir,
Disable: false,
})
if err != nil {
t.Fatal(err)
}
err = PutHandle.PutOciCacheBlob(
OciBlobCacheType,
contentDigest,
io.NopCloser(bytes.NewBuffer(content)))
if err != nil {
t.Fatal(err)
}
tests := []struct {
name string
disableCache bool
cacheType string
blobDigest digest.Digest
wantContent []byte
wantErr bool
}{
{
name: "Success",
disableCache: false,
cacheType: OciBlobCacheType,
blobDigest: contentDigest,
wantContent: nil,
wantErr: false,
},
{
name: "Disabled",
disableCache: true,
cacheType: OciBlobCacheType,
blobDigest: contentDigest,
wantContent: nil,
wantErr: true,
},
{
name: "BadCacheType",
disableCache: false,
cacheType: LibraryCacheType,
blobDigest: contentDigest,
wantContent: nil,
wantErr: true,
},
{
name: "BadDigest",
disableCache: false,
cacheType: OciBlobCacheType,
blobDigest: "NOT A DIGEST",
wantContent: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
h, err := New(Config{
ParentDir: tmpDir,
Disable: tt.disableCache,
})
if err != nil {
t.Fatal(err)
}
r, err := h.GetOciCacheBlob(tt.cacheType, tt.blobDigest)
if (err != nil) != tt.wantErr {
t.Errorf("Handle.PutOciCacheBlob() error = %v, wantErr %v", err, tt.wantErr)
return
}
if tt.wantContent != nil {
cacheContent, err := io.ReadAll(r)
if err != nil {
t.Errorf("Couldn't read from cache: %v", err)
}
if string(cacheContent) != string(tt.wantContent) {
t.Errorf("Content was %q, expected %q", cacheContent, tt.wantContent)
}
}
})
}
}
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