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use github.com/klauspost/compress/zstd package for zstd compression and decompression remove github.com/Datadog/zstd
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package zstd | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "io" | ||
| "math/rand" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestCompressDecompress(t *testing.T) { | ||
| type testCase struct { | ||
| name string | ||
| input string | ||
| } | ||
|
|
||
| seed := int64(0x1337c0deb357beef) | ||
| if rand, ok := os.LookupEnv("WALG_RANDOMIZE_TEST"); ok { | ||
| if rand != "" && rand != "0" { | ||
| seed = time.Now().UnixNano() | ||
| t.Logf("randomized seed: %x", seed) | ||
| } | ||
| } | ||
|
|
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| var buff = make([]byte, 4096) | ||
| rand.New(rand.NewSource(seed)).Read(buff) | ||
|
|
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| testcases := []*testCase{ | ||
| { | ||
| name: "simple input", | ||
| input: "How much wood could a woodchuck chuck if a woodchuck could chuck wood ?", | ||
| }, | ||
| { | ||
| name: "random data", | ||
| input: string(buff), | ||
| }, | ||
| } | ||
|
|
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| for _, tc := range testcases { | ||
| in := []byte(tc.input) | ||
|
|
||
| var comp bytes.Buffer | ||
| wc := Compressor{}.NewWriter(&comp) | ||
|
|
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| var err error | ||
| _, err = wc.Write(in) | ||
| require.NoError(t, err, tc.name) | ||
|
|
||
| err = wc.Close() | ||
| require.NoError(t, err, tc.name) | ||
|
|
||
| rdr, err := Decompressor{}.Decompress(&comp) | ||
| require.NoError(t, err, tc.name) | ||
|
|
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| var decomp bytes.Buffer | ||
| _, err = io.Copy(&decomp, rdr) | ||
| require.NoError(t, err) | ||
|
|
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| err = rdr.Close() | ||
| require.NoError(t, err) | ||
|
|
||
| if !bytes.Equal(in, decomp.Bytes()) { | ||
| assert.Fail(t, "decompressed data doesn't match expected input", "testCase: %s", tc.name) | ||
| if tc.name == "random data" { | ||
| t.Log("random seed =", seed) | ||
| } | ||
| } | ||
| } | ||
| } |
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