| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| package compression |
| |
| import ( |
| "testing" |
| |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| type testProvider struct { |
| name string |
| provider Provider |
| |
| // Compressed data for "hello" |
| compressedHello []byte |
| } |
| |
| var providers = []testProvider{ |
| {"zlib", ZLibProvider, []byte{0x78, 0x9c, 0xca, 0x48, 0xcd, 0xc9, 0xc9, 0x07, 0x00, 0x00, 0x00, 0xff, 0xff}}, |
| {"lz4", Lz4Provider, []byte{0x50, 0x68, 0x65, 0x6c, 0x6c, 0x6f}}, |
| {"zstd", ZStdProvider, []byte{0x28, 0xb5, 0x2f, 0xfd, 0x20, 0x05, 0x29, 0x00, 0x00, 0x68, 0x65, 0x6c, 0x6c, 0x6f}}, |
| } |
| |
| func TestCompression(t *testing.T) { |
| for _, provider := range providers { |
| p := provider |
| t.Run(p.name, func(t *testing.T) { |
| if !p.provider.CanCompress() { |
| return |
| } |
| |
| hello := []byte("test compression data") |
| compressed := p.provider.Compress(hello) |
| uncompressed, err := p.provider.Decompress(compressed, len(hello)) |
| assert.Nil(t, err) |
| assert.ElementsMatch(t, hello, uncompressed) |
| }) |
| } |
| } |
| |
| func TestJavaCompatibility(t *testing.T) { |
| for _, provider := range providers { |
| p := provider |
| t.Run(p.name, func(t *testing.T) { |
| hello := []byte("hello") |
| uncompressed, err := p.provider.Decompress(p.compressedHello, len(hello)) |
| assert.Nil(t, err) |
| assert.ElementsMatch(t, hello, uncompressed) |
| }) |
| } |
| } |
| |
| func TestDecompressionError(t *testing.T) { |
| for _, provider := range providers { |
| p := provider |
| t.Run(p.name, func(t *testing.T) { |
| _, err := p.provider.Decompress([]byte{0x05}, 10) |
| assert.NotNil(t, err) |
| }) |
| } |
| } |