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minio/cmd/utils_test.go

411 lines
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/*
* 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"
"io/ioutil"
"net/http"
"net/url"
"os"
"reflect"
"strings"
"testing"
)
// Tests http.Header clone.
func TestCloneHeader(t *testing.T) {
headers := []http.Header{
{
"Content-Type": {"text/html; charset=UTF-8"},
"Content-Length": {"0"},
},
{
"Content-Length": {"0", "1", "2"},
},
{
"Expires": {"-1"},
"Content-Length": {"0"},
"Content-Encoding": {"gzip"},
},
}
for i, header := range headers {
clonedHeader := cloneHeader(header)
if !reflect.DeepEqual(header, clonedHeader) {
t.Errorf("Test %d failed", i+1)
}
}
}
// Tests closing http tracing file.
func TestStopHTTPTrace(t *testing.T) {
var err error
globalHTTPTraceFile, err = ioutil.TempFile("", "")
if err != nil {
defer os.Remove(globalHTTPTraceFile.Name())
stopHTTPTrace()
if globalHTTPTraceFile != nil {
t.Errorf("globalHTTPTraceFile is not nil, it is expected to be nil")
}
}
}
// 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: "/",
},
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 8 url is not allocated.
{
u: nil,
bucket: "",
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)
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) {
if startProfiler("") != nil {
t.Fatal("Expected nil, but non-nil value returned for invalid profiler.")
}
}
// 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())
}
}