filebrowser/diskcache/file_cache_test.go
2024-04-01 18:24:06 +02:00

56 lines
1.4 KiB
Go

package diskcache
import (
"context"
"path/filepath"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
)
func TestFileCache(t *testing.T) {
ctx := context.Background()
const (
key = "key"
value = "some text"
newValue = "new text"
cacheRoot = "/cache"
cachedFilePath = "a/62/a62f2225bf70bfaccbc7f1ef2a397836717377de"
)
fs := afero.NewMemMapFs()
cache := New(fs, "/cache")
// store new key
err := cache.Store(ctx, key, []byte(value))
require.NoError(t, err)
checkValue(t, ctx, fs, filepath.Join(cacheRoot, cachedFilePath), cache, key, value)
// update existing key
err = cache.Store(ctx, key, []byte(newValue))
require.NoError(t, err)
checkValue(t, ctx, fs, filepath.Join(cacheRoot, cachedFilePath), cache, key, newValue)
// delete key
err = cache.Delete(ctx, key)
require.NoError(t, err)
exists, err := afero.Exists(fs, filepath.Join(cacheRoot, cachedFilePath))
require.NoError(t, err)
require.False(t, exists)
}
func checkValue(t *testing.T, ctx context.Context, fs afero.Fs, fileFullPath string, cache *FileCache, key, wantValue string) { //nolint:revive
t.Helper()
// check actual file content
b, err := afero.ReadFile(fs, fileFullPath)
require.NoError(t, err)
require.Equal(t, wantValue, string(b))
// check cache content
b, ok, err := cache.Load(ctx, key)
require.NoError(t, err)
require.True(t, ok)
require.Equal(t, wantValue, string(b))
}