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