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			650 lines
		
	
	
		
			18 KiB
		
	
	
	
		
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			650 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright (c) 2015-2021 MinIO, Inc.
 | ||
| //
 | ||
| // This file is part of MinIO Object Storage stack
 | ||
| //
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| // This program is free software: you can redistribute it and/or modify
 | ||
| // it under the terms of the GNU Affero General Public License as published by
 | ||
| // the Free Software Foundation, either version 3 of the License, or
 | ||
| // (at your option) any later version.
 | ||
| //
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| // This program is distributed in the hope that it will be useful
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
 | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | ||
| // GNU Affero General Public License for more details.
 | ||
| //
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| // You should have received a copy of the GNU Affero General Public License
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| // along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| 
 | ||
| package cmd
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| 
 | ||
| import (
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| 	"bytes"
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| 	"fmt"
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| 	"io"
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| 	"net/http"
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| 	"reflect"
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| 	"strconv"
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| 	"testing"
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| 
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| 	"github.com/klauspost/compress/s2"
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| 	"github.com/minio/minio/cmd/config/compress"
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| 	"github.com/minio/minio/cmd/crypto"
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| 	"github.com/minio/minio/pkg/trie"
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| )
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| 
 | ||
| // Tests validate bucket name.
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| func TestIsValidBucketName(t *testing.T) {
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| 	testCases := []struct {
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| 		bucketName string
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| 		shouldPass bool
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| 	}{
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| 		// cases which should pass the test.
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| 		// passing in valid bucket names.
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| 		{"lol", true},
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| 		{"1-this-is-valid", true},
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| 		{"1-this-too-is-valid-1", true},
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| 		{"this.works.too.1", true},
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| 		{"1234567", true},
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| 		{"123", true},
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| 		{"s3-eu-west-1.amazonaws.com", true},
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| 		{"ideas-are-more-powerful-than-guns", true},
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| 		{"testbucket", true},
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| 		{"1bucket", true},
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| 		{"bucket1", true},
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| 		{"a.b", true},
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| 		{"ab.a.bc", true},
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| 		// cases for which test should fail.
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| 		// passing invalid bucket names.
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| 		{"------", false},
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| 		{"my..bucket", false},
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| 		{"192.168.1.1", false},
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| 		{"$this-is-not-valid-too", false},
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| 		{"contains-$-dollar", false},
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| 		{"contains-^-carret", false},
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| 		{"contains-$-dollar", false},
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| 		{"contains-$-dollar", false},
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| 		{"......", false},
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| 		{"", false},
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| 		{"a", false},
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| 		{"ab", false},
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| 		{".starts-with-a-dot", false},
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| 		{"ends-with-a-dot.", false},
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| 		{"ends-with-a-dash-", false},
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| 		{"-starts-with-a-dash", false},
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| 		{"THIS-BEGINS-WITH-UPPERCASe", false},
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| 		{"tHIS-ENDS-WITH-UPPERCASE", false},
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| 		{"ThisBeginsAndEndsWithUpperCasE", false},
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| 		{"una ñina", false},
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| 		{"dash-.may-not-appear-next-to-dot", false},
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| 		{"dash.-may-not-appear-next-to-dot", false},
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| 		{"dash-.-may-not-appear-next-to-dot", false},
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| 		{"lalalallalallalalalallalallalala-thestring-size-is-greater-than-63", false},
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| 	}
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| 
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| 	for i, testCase := range testCases {
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| 		isValidBucketName := IsValidBucketName(testCase.bucketName)
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| 		if testCase.shouldPass && !isValidBucketName {
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| 			t.Errorf("Test case %d: Expected \"%s\" to be a valid bucket name", i+1, testCase.bucketName)
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| 		}
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| 		if !testCase.shouldPass && isValidBucketName {
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| 			t.Errorf("Test case %d: Expected bucket name \"%s\" to be invalid", i+1, testCase.bucketName)
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| 		}
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| 	}
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| }
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| 
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| // Tests for validate object name.
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| func TestIsValidObjectName(t *testing.T) {
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| 	testCases := []struct {
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| 		objectName string
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| 		shouldPass bool
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| 	}{
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| 		// cases which should pass the test.
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| 		// passing in valid object name.
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| 		{"object", true},
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| 		{"The Shining Script <v1>.pdf", true},
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| 		{"Cost Benefit Analysis (2009-2010).pptx", true},
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| 		{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", true},
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| 		{"SHØRT", true},
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| 		{"f*le", true},
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| 		{"contains-^-carret", true},
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| 		{"contains-|-pipe", true},
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| 		{"contains-`-tick", true},
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| 		{"..test", true},
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| 		{".. test", true},
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| 		{". test", true},
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| 		{".test", true},
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| 		{"There are far too many object names, and far too few bucket names!", true},
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| 		{"!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~/!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~)", true},
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| 		{"!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~", true},
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| 		{"␀␁␂␃␄␅␆␇␈␉␊␋␌␍␎␏␐␑␒␓␔␕␖␗␘␙␚␛␜␝␞␟␡", true},
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| 		{"trailing VT␋/trailing VT␋", true},
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| 		{"␋leading VT/␋leading VT", true},
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| 		{"~leading tilde", true},
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| 		{"\rleading CR", true},
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| 		{"\nleading LF", true},
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| 		{"\tleading HT", true},
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| 		{"trailing CR\r", true},
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| 		{"trailing LF\n", true},
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| 		{"trailing HT\t", true},
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| 		// cases for which test should fail.
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| 		// passing invalid object names.
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| 		{"", false},
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| 		{"a/b/c/", false},
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| 		{"../../etc", false},
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| 		{"../../", false},
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| 		{"/../../etc", false},
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| 		{" ../etc", false},
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| 		{"./././", false},
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| 		{"./etc", false},
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| 		{`contains//double/forwardslash`, false},
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| 		{`//contains/double-forwardslash-prefix`, false},
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| 		{string([]byte{0xff, 0xfe, 0xfd}), false},
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| 	}
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| 
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| 	for i, testCase := range testCases {
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| 		isValidObjectName := IsValidObjectName(testCase.objectName)
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| 		if testCase.shouldPass && !isValidObjectName {
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| 			t.Errorf("Test case %d: Expected \"%s\" to be a valid object name", i+1, testCase.objectName)
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| 		}
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| 		if !testCase.shouldPass && isValidObjectName {
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| 			t.Errorf("Test case %d: Expected object name \"%s\" to be invalid", i+1, testCase.objectName)
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| 		}
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| 	}
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| }
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| 
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| // Tests getCompleteMultipartMD5
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| func TestGetCompleteMultipartMD5(t *testing.T) {
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| 	testCases := []struct {
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| 		parts          []CompletePart
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| 		expectedResult string
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| 		expectedErr    string
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| 	}{
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| 		// Wrong MD5 hash string, returns md5um of hash
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| 		{[]CompletePart{{ETag: "wrong-md5-hash-string"}}, "0deb8cb07527b4b2669c861cb9653607-1", ""},
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| 
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| 		// Single CompletePart with valid MD5 hash string.
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| 		{[]CompletePart{{ETag: "cf1f738a5924e645913c984e0fe3d708"}}, "10dc1617fbcf0bd0858048cb96e6bd77-1", ""},
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| 
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| 		// Multiple CompletePart with valid MD5 hash string.
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| 		{[]CompletePart{{ETag: "cf1f738a5924e645913c984e0fe3d708"}, {ETag: "9ccbc9a80eee7fb6fdd22441db2aedbd"}}, "0239a86b5266bb624f0ac60ba2aed6c8-2", ""},
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| 	}
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| 
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| 	for i, test := range testCases {
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| 		result := getCompleteMultipartMD5(test.parts)
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| 		if result != test.expectedResult {
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| 			t.Fatalf("test %d failed: expected: result=%v, got=%v", i+1, test.expectedResult, result)
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| 		}
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| 	}
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| }
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| 
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| // TestIsMinioBucketName - Tests isMinioBucketName helper function.
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| func TestIsMinioMetaBucketName(t *testing.T) {
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| 	testCases := []struct {
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| 		bucket string
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| 		result bool
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| 	}{
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| 		// MinIO meta bucket.
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| 		{
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| 			bucket: minioMetaBucket,
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| 			result: true,
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| 		},
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| 		// MinIO meta bucket.
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| 		{
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| 			bucket: minioMetaMultipartBucket,
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| 			result: true,
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| 		},
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| 		// MinIO meta bucket.
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| 		{
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| 			bucket: minioMetaTmpBucket,
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| 			result: true,
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| 		},
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| 		// Normal bucket
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| 		{
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| 			bucket: "mybucket",
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| 			result: false,
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| 		},
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| 	}
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| 
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| 	for i, test := range testCases {
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| 		actual := isMinioMetaBucketName(test.bucket)
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| 		if actual != test.result {
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| 			t.Errorf("Test %d - expected %v but received %v",
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| 				i+1, test.result, actual)
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| 		}
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| 	}
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| }
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| 
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| // Tests RemoveStandardStorageClass method. Expectation is metadata map
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| // should be cleared of x-amz-storage-class, if it is set to STANDARD
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| func TestRemoveStandardStorageClass(t *testing.T) {
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| 	tests := []struct {
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| 		name     string
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| 		metadata map[string]string
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| 		want     map[string]string
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| 	}{
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| 		{
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| 			name:     "1",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "STANDARD"},
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| 			want:     map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86"},
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| 		},
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| 		{
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| 			name:     "2",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
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| 			want:     map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
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| 		},
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| 		{
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| 			name:     "3",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86"},
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| 			want:     map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86"},
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| 		},
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| 	}
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| 	for _, tt := range tests {
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| 		if got := removeStandardStorageClass(tt.metadata); !reflect.DeepEqual(got, tt.want) {
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| 			t.Errorf("Test %s failed, expected %v, got %v", tt.name, tt.want, got)
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| 		}
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| 	}
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| }
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| 
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| // Tests CleanMetadata method. Expectation is metadata map
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| // should be cleared of etag, md5Sum and x-amz-storage-class, if it is set to STANDARD
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| func TestCleanMetadata(t *testing.T) {
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| 	tests := []struct {
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| 		name     string
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| 		metadata map[string]string
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| 		want     map[string]string
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| 	}{
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| 		{
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| 			name:     "1",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "STANDARD"},
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| 			want:     map[string]string{"content-type": "application/octet-stream"},
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| 		},
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| 		{
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| 			name:     "2",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
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| 			want:     map[string]string{"content-type": "application/octet-stream", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
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| 		},
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| 		{
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| 			name:     "3",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "md5Sum": "abcde"},
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| 			want:     map[string]string{"content-type": "application/octet-stream"},
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| 		},
 | ||
| 	}
 | ||
| 	for _, tt := range tests {
 | ||
| 		if got := cleanMetadata(tt.metadata); !reflect.DeepEqual(got, tt.want) {
 | ||
| 			t.Errorf("Test %s failed, expected %v, got %v", tt.name, tt.want, got)
 | ||
| 		}
 | ||
| 	}
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| }
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| 
 | ||
| // Tests CleanMetadataKeys method. Expectation is metadata map
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| // should be cleared of keys passed to CleanMetadataKeys method
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| func TestCleanMetadataKeys(t *testing.T) {
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| 	tests := []struct {
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| 		name     string
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| 		metadata map[string]string
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| 		keys     []string
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| 		want     map[string]string
 | ||
| 	}{
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| 		{
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| 			name:     "1",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "STANDARD", "md5": "abcde"},
 | ||
| 			keys:     []string{"etag", "md5"},
 | ||
| 			want:     map[string]string{"content-type": "application/octet-stream", "x-amz-storage-class": "STANDARD"},
 | ||
| 		},
 | ||
| 		{
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| 			name:     "2",
 | ||
| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "REDUCED_REDUNDANCY", "md5sum": "abcde"},
 | ||
| 			keys:     []string{"etag", "md5sum"},
 | ||
| 			want:     map[string]string{"content-type": "application/octet-stream", "x-amz-storage-class": "REDUCED_REDUNDANCY"},
 | ||
| 		},
 | ||
| 		{
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| 			name:     "3",
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| 			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "xyz": "abcde"},
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| 			keys:     []string{"etag", "xyz"},
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| 			want:     map[string]string{"content-type": "application/octet-stream"},
 | ||
| 		},
 | ||
| 	}
 | ||
| 	for _, tt := range tests {
 | ||
| 		if got := cleanMetadataKeys(tt.metadata, tt.keys...); !reflect.DeepEqual(got, tt.want) {
 | ||
| 			t.Errorf("Test %s failed, expected %v, got %v", tt.name, tt.want, got)
 | ||
| 		}
 | ||
| 	}
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| }
 | ||
| 
 | ||
| // Tests isCompressed method
 | ||
| func TestIsCompressed(t *testing.T) {
 | ||
| 	testCases := []struct {
 | ||
| 		objInfo ObjectInfo
 | ||
| 		result  bool
 | ||
| 		err     bool
 | ||
| 	}{
 | ||
| 		0: {
 | ||
| 			objInfo: ObjectInfo{
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| 				UserDefined: map[string]string{"X-Minio-Internal-compression": compressionAlgorithmV1,
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| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 		},
 | ||
| 		1: {
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| 			objInfo: ObjectInfo{
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| 				UserDefined: map[string]string{"X-Minio-Internal-compression": compressionAlgorithmV2,
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| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 		},
 | ||
| 		2: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-compression": "unknown/compression/type",
 | ||
| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 			err:    true,
 | ||
| 		},
 | ||
| 		3: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-compression": compressionAlgorithmV2,
 | ||
| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2",
 | ||
| 					crypto.MetaIV:  "yes",
 | ||
| 				},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 			err:    false,
 | ||
| 		},
 | ||
| 		4: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-XYZ": "klauspost/compress/s2",
 | ||
| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 			},
 | ||
| 			result: false,
 | ||
| 		},
 | ||
| 		5: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"content-type": "application/octet-stream",
 | ||
| 					"etag": "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 			},
 | ||
| 			result: false,
 | ||
| 		},
 | ||
| 	}
 | ||
| 	for i, test := range testCases {
 | ||
| 		t.Run(strconv.Itoa(i), func(t *testing.T) {
 | ||
| 			got := test.objInfo.IsCompressed()
 | ||
| 			if got != test.result {
 | ||
| 				t.Errorf("IsCompressed: Expected %v but received %v",
 | ||
| 					test.result, got)
 | ||
| 			}
 | ||
| 			got, gErr := test.objInfo.IsCompressedOK()
 | ||
| 			if got != test.result {
 | ||
| 				t.Errorf("IsCompressedOK: Expected %v but received %v",
 | ||
| 					test.result, got)
 | ||
| 			}
 | ||
| 			if gErr != nil != test.err {
 | ||
| 				t.Errorf("IsCompressedOK: want error: %t, got error: %v", test.err, gErr)
 | ||
| 			}
 | ||
| 		})
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| // Tests excludeForCompression.
 | ||
| func TestExcludeForCompression(t *testing.T) {
 | ||
| 	testCases := []struct {
 | ||
| 		object string
 | ||
| 		header http.Header
 | ||
| 		result bool
 | ||
| 	}{
 | ||
| 		{
 | ||
| 			object: "object.txt",
 | ||
| 			header: http.Header{
 | ||
| 				"Content-Type": []string{"application/zip"},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			object: "object.zip",
 | ||
| 			header: http.Header{
 | ||
| 				"Content-Type": []string{"application/XYZ"},
 | ||
| 			},
 | ||
| 			result: true,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			object: "object.json",
 | ||
| 			header: http.Header{
 | ||
| 				"Content-Type": []string{"application/json"},
 | ||
| 			},
 | ||
| 			result: false,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			object: "object.txt",
 | ||
| 			header: http.Header{
 | ||
| 				"Content-Type": []string{"text/plain"},
 | ||
| 			},
 | ||
| 			result: false,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			object: "object",
 | ||
| 			header: http.Header{
 | ||
| 				"Content-Type": []string{"text/something"},
 | ||
| 			},
 | ||
| 			result: false,
 | ||
| 		},
 | ||
| 	}
 | ||
| 	for i, test := range testCases {
 | ||
| 		got := excludeForCompression(test.header, test.object, compress.Config{
 | ||
| 			Enabled: true,
 | ||
| 		})
 | ||
| 		if got != test.result {
 | ||
| 			t.Errorf("Test %d - expected %v but received %v",
 | ||
| 				i+1, test.result, got)
 | ||
| 		}
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| func BenchmarkGetPartFileWithTrie(b *testing.B) {
 | ||
| 	b.ResetTimer()
 | ||
| 
 | ||
| 	entriesTrie := trie.NewTrie()
 | ||
| 	for i := 1; i <= 10000; i++ {
 | ||
| 		entriesTrie.Insert(fmt.Sprintf("%.5d.8a034f82cb9cb31140d87d3ce2a9ede3.67108864", i))
 | ||
| 	}
 | ||
| 
 | ||
| 	for i := 1; i <= 10000; i++ {
 | ||
| 		partFile := getPartFile(entriesTrie, i, "8a034f82cb9cb31140d87d3ce2a9ede3")
 | ||
| 		if partFile == "" {
 | ||
| 			b.Fatal("partFile returned is empty")
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	b.ReportAllocs()
 | ||
| }
 | ||
| 
 | ||
| func TestGetActualSize(t *testing.T) {
 | ||
| 	testCases := []struct {
 | ||
| 		objInfo ObjectInfo
 | ||
| 		result  int64
 | ||
| 	}{
 | ||
| 		{
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-compression": "klauspost/compress/s2",
 | ||
| 					"X-Minio-Internal-actual-size": "100000001",
 | ||
| 					"content-type":                 "application/octet-stream",
 | ||
| 					"etag":                         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 				Parts: []ObjectPartInfo{
 | ||
| 					{
 | ||
| 						Size:       39235668,
 | ||
| 						ActualSize: 67108864,
 | ||
| 					},
 | ||
| 					{
 | ||
| 						Size:       19177372,
 | ||
| 						ActualSize: 32891137,
 | ||
| 					},
 | ||
| 				},
 | ||
| 			},
 | ||
| 			result: 100000001,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-compression": "klauspost/compress/s2",
 | ||
| 					"X-Minio-Internal-actual-size": "841",
 | ||
| 					"content-type":                 "application/octet-stream",
 | ||
| 					"etag":                         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 				Parts: []ObjectPartInfo{},
 | ||
| 			},
 | ||
| 			result: 841,
 | ||
| 		},
 | ||
| 		{
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				UserDefined: map[string]string{"X-Minio-Internal-compression": "klauspost/compress/s2",
 | ||
| 					"content-type": "application/octet-stream",
 | ||
| 					"etag":         "b3ff3ef3789147152fbfbc50efba4bfd-2"},
 | ||
| 				Parts: []ObjectPartInfo{},
 | ||
| 			},
 | ||
| 			result: -1,
 | ||
| 		},
 | ||
| 	}
 | ||
| 	for i, test := range testCases {
 | ||
| 		got, _ := test.objInfo.GetActualSize()
 | ||
| 		if got != test.result {
 | ||
| 			t.Errorf("Test %d - expected %d but received %d",
 | ||
| 				i+1, test.result, got)
 | ||
| 		}
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| func TestGetCompressedOffsets(t *testing.T) {
 | ||
| 	testCases := []struct {
 | ||
| 		objInfo           ObjectInfo
 | ||
| 		offset            int64
 | ||
| 		startOffset       int64
 | ||
| 		snappyStartOffset int64
 | ||
| 		firstPart         int
 | ||
| 	}{
 | ||
| 		0: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				Parts: []ObjectPartInfo{
 | ||
| 					{
 | ||
| 						Size:       39235668,
 | ||
| 						ActualSize: 67108864,
 | ||
| 					},
 | ||
| 					{
 | ||
| 						Size:       19177372,
 | ||
| 						ActualSize: 32891137,
 | ||
| 					},
 | ||
| 				},
 | ||
| 			},
 | ||
| 			offset:            79109865,
 | ||
| 			startOffset:       39235668,
 | ||
| 			snappyStartOffset: 12001001,
 | ||
| 			firstPart:         1,
 | ||
| 		},
 | ||
| 		1: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				Parts: []ObjectPartInfo{
 | ||
| 					{
 | ||
| 						Size:       39235668,
 | ||
| 						ActualSize: 67108864,
 | ||
| 					},
 | ||
| 					{
 | ||
| 						Size:       19177372,
 | ||
| 						ActualSize: 32891137,
 | ||
| 					},
 | ||
| 				},
 | ||
| 			},
 | ||
| 			offset:            19109865,
 | ||
| 			startOffset:       0,
 | ||
| 			snappyStartOffset: 19109865,
 | ||
| 		},
 | ||
| 		2: {
 | ||
| 			objInfo: ObjectInfo{
 | ||
| 				Parts: []ObjectPartInfo{
 | ||
| 					{
 | ||
| 						Size:       39235668,
 | ||
| 						ActualSize: 67108864,
 | ||
| 					},
 | ||
| 					{
 | ||
| 						Size:       19177372,
 | ||
| 						ActualSize: 32891137,
 | ||
| 					},
 | ||
| 				},
 | ||
| 			},
 | ||
| 			offset:            0,
 | ||
| 			startOffset:       0,
 | ||
| 			snappyStartOffset: 0,
 | ||
| 		},
 | ||
| 	}
 | ||
| 	for i, test := range testCases {
 | ||
| 		startOffset, snappyStartOffset, firstPart := getCompressedOffsets(test.objInfo, test.offset)
 | ||
| 		if startOffset != test.startOffset {
 | ||
| 			t.Errorf("Test %d - expected startOffset %d but received %d",
 | ||
| 				i, test.startOffset, startOffset)
 | ||
| 		}
 | ||
| 		if snappyStartOffset != test.snappyStartOffset {
 | ||
| 			t.Errorf("Test %d - expected snappyOffset %d but received %d",
 | ||
| 				i, test.snappyStartOffset, snappyStartOffset)
 | ||
| 		}
 | ||
| 		if firstPart != test.firstPart {
 | ||
| 			t.Errorf("Test %d - expected firstPart %d but received %d",
 | ||
| 				i, test.firstPart, firstPart)
 | ||
| 		}
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| func TestS2CompressReader(t *testing.T) {
 | ||
| 	tests := []struct {
 | ||
| 		name string
 | ||
| 		data []byte
 | ||
| 	}{
 | ||
| 		{name: "empty", data: nil},
 | ||
| 		{name: "small", data: []byte("hello, world")},
 | ||
| 		{name: "large", data: bytes.Repeat([]byte("hello, world"), 1000)},
 | ||
| 	}
 | ||
| 
 | ||
| 	for _, tt := range tests {
 | ||
| 		t.Run(tt.name, func(t *testing.T) {
 | ||
| 			buf := make([]byte, 100) // make small buffer to ensure multiple reads are required for large case
 | ||
| 
 | ||
| 			r := newS2CompressReader(bytes.NewReader(tt.data), int64(len(tt.data)))
 | ||
| 			defer r.Close()
 | ||
| 
 | ||
| 			var rdrBuf bytes.Buffer
 | ||
| 			_, err := io.CopyBuffer(&rdrBuf, r, buf)
 | ||
| 			if err != nil {
 | ||
| 				t.Fatal(err)
 | ||
| 			}
 | ||
| 
 | ||
| 			var stdBuf bytes.Buffer
 | ||
| 			w := s2.NewWriter(&stdBuf)
 | ||
| 			_, err = io.CopyBuffer(w, bytes.NewReader(tt.data), buf)
 | ||
| 			if err != nil {
 | ||
| 				t.Fatal(err)
 | ||
| 			}
 | ||
| 			err = w.Close()
 | ||
| 			if err != nil {
 | ||
| 				t.Fatal(err)
 | ||
| 			}
 | ||
| 
 | ||
| 			var (
 | ||
| 				got  = rdrBuf.Bytes()
 | ||
| 				want = stdBuf.Bytes()
 | ||
| 			)
 | ||
| 			if !bytes.Equal(got, want) {
 | ||
| 				t.Errorf("encoded data does not match\n\t%q\n\t%q", got, want)
 | ||
| 			}
 | ||
| 
 | ||
| 			var decBuf bytes.Buffer
 | ||
| 			decRdr := s2.NewReader(&rdrBuf)
 | ||
| 			_, err = io.Copy(&decBuf, decRdr)
 | ||
| 			if err != nil {
 | ||
| 				t.Fatal(err)
 | ||
| 			}
 | ||
| 
 | ||
| 			if !bytes.Equal(tt.data, decBuf.Bytes()) {
 | ||
| 				t.Errorf("roundtrip failed\n\t%q\n\t%q", tt.data, decBuf.Bytes())
 | ||
| 			}
 | ||
| 		})
 | ||
| 	}
 | ||
| }
 |