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minio/cmd/utils_test.go

501 lines
12 KiB

/*
* MinIO Cloud Storage, (C) 2016, 2017 MinIO, Inc.
*
* Licensed 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 cmd
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"os"
"reflect"
"strings"
"testing"
)
// Tests maximum object size.
func TestMaxObjectSize(t *testing.T) {
sizes := []struct {
isMax bool
size int64
}{
// Test - 1 - maximum object size.
{
true,
globalMaxObjectSize + 1,
},
// Test - 2 - not maximum object size.
{
false,
globalMaxObjectSize - 1,
},
}
for i, s := range sizes {
isMax := isMaxObjectSize(s.size)
if isMax != s.isMax {
t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMax, isMax)
}
}
}
// Tests minimum allowed part size.
func TestMinAllowedPartSize(t *testing.T) {
sizes := []struct {
isMin bool
size int64
}{
// Test - 1 - within minimum part size.
{
true,
globalMinPartSize + 1,
},
// Test - 2 - smaller than minimum part size.
{
false,
globalMinPartSize - 1,
},
}
for i, s := range sizes {
isMin := isMinAllowedPartSize(s.size)
if isMin != s.isMin {
t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMin, isMin)
}
}
}
// Tests maximum allowed part number.
func TestMaxPartID(t *testing.T) {
sizes := []struct {
isMax bool
partN int
}{
// Test - 1 part number within max part number.
{
false,
globalMaxPartID - 1,
},
// Test - 2 part number bigger than max part number.
{
true,
globalMaxPartID + 1,
},
}
for i, s := range sizes {
isMax := isMaxPartID(s.partN)
if isMax != s.isMax {
t.Errorf("Test %d: Expected %t, got %t", i+1, s.isMax, isMax)
}
}
}
// Tests extracting bucket and objectname from various types of URL paths.
func TestURL2BucketObjectName(t *testing.T) {
testCases := []struct {
u *url.URL
bucket, object string
}{
// Test case 1 normal case.
{
u: &url.URL{
Path: "/bucket/object",
},
bucket: "bucket",
object: "object",
},
// Test case 2 where url only has separator.
{
u: &url.URL{
Path: SlashSeparator,
},
bucket: "",
object: "",
},
// Test case 3 only bucket is present.
{
u: &url.URL{
Path: "/bucket",
},
bucket: "bucket",
object: "",
},
// Test case 4 many separators and object is a directory.
{
u: &url.URL{
Path: "/bucket/object/1/",
},
bucket: "bucket",
object: "object/1/",
},
// Test case 5 object has many trailing separators.
{
u: &url.URL{
Path: "/bucket/object/1///",
},
bucket: "bucket",
object: "object/1///",
},
// Test case 6 object has only trailing separators.
{
u: &url.URL{
Path: "/bucket/object///////",
},
bucket: "bucket",
object: "object///////",
},
// Test case 7 object has preceding separators.
{
u: &url.URL{
Path: "/bucket////object////",
},
bucket: "bucket",
object: "///object////",
},
// Test case 9 url path is empty.
{
u: &url.URL{},
bucket: "",
object: "",
},
}
// Validate all test cases.
for i, testCase := range testCases {
bucketName, objectName := urlPath2BucketObjectName(testCase.u.Path)
if bucketName != testCase.bucket {
t.Errorf("Test %d: failed expected bucket name \"%s\", got \"%s\"", i+1, testCase.bucket, bucketName)
}
if objectName != testCase.object {
t.Errorf("Test %d: failed expected bucket name \"%s\", got \"%s\"", i+1, testCase.object, objectName)
}
}
}
// Add tests for starting and stopping different profilers.
func TestStartProfiler(t *testing.T) {
_, err := startProfiler("")
if err == nil {
t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
}
}
// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
if urlStr == "" {
return nil, errors.New("Address cannot be empty")
}
u, err := url.Parse(urlStr)
if err != nil {
return nil, fmt.Errorf("`%s` invalid: %s", urlStr, err.Error())
}
return u, nil
}
// TestCheckURL tests valid url.
func TestCheckURL(t *testing.T) {
testCases := []struct {
urlStr string
shouldPass bool
}{
{"", false},
{":", false},
{"http://localhost/", true},
{"http://127.0.0.1/", true},
{"proto://myhostname/path", true},
}
// Validates fetching local address.
for i, testCase := range testCases {
_, err := checkURL(testCase.urlStr)
if testCase.shouldPass && err != nil {
t.Errorf("Test %d: expected to pass but got an error: %v\n", i+1, err)
}
if !testCase.shouldPass && err == nil {
t.Errorf("Test %d: expected to fail but passed.", i+1)
}
}
}
// Testing dumping request function.
func TestDumpRequest(t *testing.T) {
req, err := http.NewRequest("GET", "http://localhost:9000?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=USWUXHGYZQYFYFFIT3RE%2F20170529%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20170529T190139Z&X-Amz-Expires=600&X-Amz-Signature=19b58080999df54b446fc97304eb8dda60d3df1812ae97f3e8783351bfd9781d&X-Amz-SignedHeaders=host&prefix=Hello%2AWorld%2A", nil)
if err != nil {
t.Fatal(err)
}
req.RequestURI = "/?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=USWUXHGYZQYFYFFIT3RE%2F20170529%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20170529T190139Z&X-Amz-Expires=600&X-Amz-Signature=19b58080999df54b446fc97304eb8dda60d3df1812ae97f3e8783351bfd9781d&X-Amz-SignedHeaders=host&prefix=Hello%2AWorld%2A"
req.Header.Set("content-md5", "====test")
jsonReq := dumpRequest(req)
type jsonResult struct {
Method string `json:"method"`
RequestURI string `json:"reqURI"`
Header http.Header `json:"header"`
}
jsonReq = strings.Replace(jsonReq, "%%", "%", -1)
res := jsonResult{}
if err = json.Unmarshal([]byte(jsonReq), &res); err != nil {
t.Fatal(err)
}
// Look for expected method.
if res.Method != "GET" {
t.Fatalf("Unexpected method %s, expected 'GET'", res.Method)
}
// Look for expected query values
expectedQuery := url.Values{}
expectedQuery.Set("prefix", "Hello*World*")
expectedQuery.Set("X-Amz-Algorithm", "AWS4-HMAC-SHA256")
expectedQuery.Set("X-Amz-Credential", "USWUXHGYZQYFYFFIT3RE/20170529/us-east-1/s3/aws4_request")
expectedQuery.Set("X-Amz-Date", "20170529T190139Z")
expectedQuery.Set("X-Amz-Expires", "600")
expectedQuery.Set("X-Amz-SignedHeaders", "host")
expectedQuery.Set("X-Amz-Signature", "19b58080999df54b446fc97304eb8dda60d3df1812ae97f3e8783351bfd9781d")
expectedRequestURI := "/?" + expectedQuery.Encode()
if !reflect.DeepEqual(res.RequestURI, expectedRequestURI) {
t.Fatalf("Expected %#v, got %#v", expectedRequestURI, res.RequestURI)
}
// Look for expected header.
expectedHeader := http.Header{}
expectedHeader.Set("content-md5", "====test")
expectedHeader.Set("host", "localhost:9000")
if !reflect.DeepEqual(res.Header, expectedHeader) {
t.Fatalf("Expected %#v, got %#v", expectedHeader, res.Header)
}
}
// Test ToS3ETag()
func TestToS3ETag(t *testing.T) {
testCases := []struct {
etag string
expectedETag string
}{
{`"8019e762"`, `8019e762-1`},
{"5d57546eeb86b3eba68967292fba0644", "5d57546eeb86b3eba68967292fba0644-1"},
{`"8019e762-1"`, `8019e762-1`},
{"5d57546eeb86b3eba68967292fba0644-1", "5d57546eeb86b3eba68967292fba0644-1"},
}
for i, testCase := range testCases {
etag := ToS3ETag(testCase.etag)
if etag != testCase.expectedETag {
t.Fatalf("test %v: expected: %v, got: %v", i+1, testCase.expectedETag, etag)
}
}
}
// Test contains
func TestContains(t *testing.T) {
testErr := errors.New("test err")
testCases := []struct {
slice interface{}
elem interface{}
found bool
}{
{nil, nil, false},
{"1", "1", false},
{nil, "1", false},
{[]string{"1"}, nil, false},
{[]string{}, "1", false},
{[]string{"1"}, "1", true},
{[]string{"2"}, "1", false},
{[]string{"1", "2"}, "1", true},
{[]string{"2", "1"}, "1", true},
{[]string{"2", "1", "3"}, "1", true},
{[]int{1, 2, 3}, "1", false},
{[]int{1, 2, 3}, 2, true},
{[]int{1, 2, 3, 4, 5, 6}, 7, false},
{[]error{errors.New("new err")}, testErr, false},
{[]error{errors.New("new err"), testErr}, testErr, true},
}
for i, testCase := range testCases {
found := contains(testCase.slice, testCase.elem)
if found != testCase.found {
t.Fatalf("Test %v: expected: %v, got: %v", i+1, testCase.found, found)
}
}
}
// Test jsonLoad.
func TestJSONLoad(t *testing.T) {
format := newFormatFSV1()
b, err := json.Marshal(format)
if err != nil {
t.Fatal(err)
}
var gotFormat formatFSV1
if err = jsonLoad(bytes.NewReader(b), &gotFormat); err != nil {
t.Fatal(err)
}
if *format != gotFormat {
t.Fatal("jsonLoad() failed to decode json")
}
}
// Test jsonSave.
func TestJSONSave(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Fatal(err)
}
defer os.Remove(f.Name())
// Test to make sure formatFSSave overwrites and does not append.
format := newFormatFSV1()
if err = jsonSave(f, format); err != nil {
t.Fatal(err)
}
fi1, err := f.Stat()
if err != nil {
t.Fatal(err)
}
if err = jsonSave(f, format); err != nil {
t.Fatal(err)
}
fi2, err := f.Stat()
if err != nil {
t.Fatal(err)
}
if fi1.Size() != fi2.Size() {
t.Fatal("Size should not differ after jsonSave()", fi1.Size(), fi2.Size(), f.Name())
}
}
// Test ceilFrac
func TestCeilFrac(t *testing.T) {
cases := []struct {
numerator, denominator, ceiling int64
}{
{0, 1, 0},
{-1, 2, 0},
{1, 2, 1},
{1, 1, 1},
{3, 2, 2},
{54, 11, 5},
{45, 11, 5},
{-4, 3, -1},
{4, -3, -1},
{-4, -3, 2},
{3, 0, 0},
}
for i, testCase := range cases {
ceiling := ceilFrac(testCase.numerator, testCase.denominator)
if ceiling != testCase.ceiling {
t.Errorf("Case %d: Unexpected result: %d", i, ceiling)
}
}
}
// Test if isErrIgnored works correctly.
func TestIsErrIgnored(t *testing.T) {
var errIgnored = fmt.Errorf("ignored error")
ignoredErrs := append(baseIgnoredErrs, errIgnored)
var testCases = []struct {
err error
ignored bool
}{
{
err: nil,
ignored: false,
},
{
err: errIgnored,
ignored: true,
},
{
err: errFaultyDisk,
ignored: true,
},
}
for i, testCase := range testCases {
if ok := IsErrIgnored(testCase.err, ignoredErrs...); ok != testCase.ignored {
t.Errorf("Test: %d, Expected %t, got %t", i+1, testCase.ignored, ok)
}
}
}
// Test queries()
func TestQueries(t *testing.T) {
var testCases = []struct {
keys []string
keyvalues []string
}{
{
[]string{"aaaa", "bbbb"},
[]string{"aaaa", "{aaaa:.*}", "bbbb", "{bbbb:.*}"},
},
}
for i, test := range testCases {
keyvalues := restQueries(test.keys...)
for j := range keyvalues {
if keyvalues[j] != test.keyvalues[j] {
t.Fatalf("test %d: keyvalues[%d] does not match", i+1, j)
}
}
}
}
func TestLCP(t *testing.T) {
var testCases = []struct {
prefixes []string
commonPrefix string
}{
{[]string{"", ""}, ""},
{[]string{"a", "b"}, ""},
{[]string{"a", "a"}, "a"},
{[]string{"a/", "a/"}, "a/"},
{[]string{"abcd/", ""}, ""},
{[]string{"abcd/foo/", "abcd/bar/"}, "abcd/"},
{[]string{"abcd/foo/bar/", "abcd/foo/bar/zoo"}, "abcd/foo/bar/"},
}
for i, test := range testCases {
foundPrefix := lcp(test.prefixes)
if foundPrefix != test.commonPrefix {
t.Fatalf("Test %d: Common prefix found: `%v`, expected: `%v`", i+1, foundPrefix, test.commonPrefix)
}
}
}
func TestGetMinioMode(t *testing.T) {
testMinioMode := func(expected string) {
if mode := getMinioMode(); mode != expected {
t.Fatalf("Expected %s got %s", expected, mode)
}
}
globalIsDistXL = true
testMinioMode(globalMinioModeDistXL)
globalIsDistXL = false
globalIsXL = true
testMinioMode(globalMinioModeXL)
globalIsDistXL, globalIsXL = false, false
testMinioMode(globalMinioModeFS)
globalIsGateway, globalGatewayName = true, "azure"
testMinioMode(globalMinioModeGatewayPrefix + globalGatewayName)
}