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334 lines
12 KiB
334 lines
12 KiB
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"bytes"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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)
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// Wrapper for calling GetObject API handler tests for both XL multiple disks and FS single drive setup.
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func TestAPIGetOjectHandler(t *testing.T) {
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ExecObjectLayerTest(t, testAPIGetOjectHandler)
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}
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func testAPIGetOjectHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
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// get random bucket name.
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bucketName := getRandomBucketName()
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objectName := "test-object"
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// Create bucket.
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err := obj.MakeBucket(bucketName)
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if err != nil {
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// failed to create newbucket, abort.
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t.Fatalf("%s : %s", instanceType, err)
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}
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// Register the API end points with XL/FS object layer.
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// Registering only the GetObject handler.
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apiRouter := initTestAPIEndPoints(obj, []string{"GetObject"})
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// initialize the server and obtain the credentials and root.
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// credentials are necessary to sign the HTTP request.
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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credentials := serverConfig.GetCredential()
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// set of byte data for PutObject.
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// object has to be inserted before running tests for GetObject.
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// this is required even to assert the GetObject data,
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// since dataInserted === dataFetched back is a primary criteria for any object storage this assertion is critical.
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bytesData := []struct {
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byteData []byte
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}{
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{generateBytesData(6 * 1024 * 1024)},
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}
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// set of inputs for uploading the objects before tests for downloading is done.
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putObjectInputs := []struct {
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bucketName string
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objectName string
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contentLength int64
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textData []byte
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metaData map[string]string
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}{
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// case - 1.
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{bucketName, objectName, int64(len(bytesData[0].byteData)), bytesData[0].byteData, make(map[string]string)},
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}
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// iterate through the above set of inputs and upload the object.
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for i, input := range putObjectInputs {
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// uploading the object.
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_, err = obj.PutObject(input.bucketName, input.objectName, input.contentLength, bytes.NewBuffer(input.textData), input.metaData)
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// if object upload fails stop the test.
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if err != nil {
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t.Fatalf("Put Object case %d: Error uploading object: <ERROR> %v", i+1, err)
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}
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}
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// test cases with inputs and expected result for GetObject.
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testCases := []struct {
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bucketName string
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objectName string
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byteRange string // range of bytes to be fetched from GetObject.
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// expected output.
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expectedContent []byte // expected response body.
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expectedRespStatus int // expected response status body.
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}{
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// Test case - 1.
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// Fetching the entire object and validating its contents.
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{
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bucketName: bucketName,
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objectName: objectName,
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byteRange: "",
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expectedContent: bytesData[0].byteData,
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expectedRespStatus: http.StatusOK,
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},
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// Test case - 2.
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// Case with non-existent object name.
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{
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bucketName: bucketName,
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objectName: "abcd",
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byteRange: "",
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expectedContent: encodeResponse(getAPIErrorResponse(getAPIError(ErrNoSuchKey), getGetObjectURL("", bucketName, "abcd"))),
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expectedRespStatus: http.StatusNotFound,
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},
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// Test case - 3.
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// Requesting from range 10-100.
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{
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bucketName: bucketName,
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objectName: objectName,
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byteRange: "bytes=10-100",
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expectedContent: bytesData[0].byteData[10:101],
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expectedRespStatus: http.StatusPartialContent,
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},
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// Test case - 4.
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// Test case with invalid range.
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{
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bucketName: bucketName,
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objectName: objectName,
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byteRange: "bytes=-0",
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expectedContent: encodeResponse(getAPIErrorResponse(getAPIError(ErrInvalidRange), getGetObjectURL("", bucketName, objectName))),
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expectedRespStatus: http.StatusRequestedRangeNotSatisfiable,
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},
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// Test case - 5.
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// Test case with byte range exceeding the object size.
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// Expected to read till end of the object.
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{
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bucketName: bucketName,
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objectName: objectName,
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byteRange: "bytes=10-1000000000000000",
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expectedContent: bytesData[0].byteData[10:],
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expectedRespStatus: http.StatusPartialContent,
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},
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}
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// Iterating over the cases, fetching the object validating the response.
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for i, testCase := range testCases {
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// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
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rec := httptest.NewRecorder()
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// construct HTTP request for Get Object end point.
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req, err := newTestSignedRequest("GET", getGetObjectURL("", testCase.bucketName, testCase.objectName),
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0, nil, credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d: Failed to create HTTP request for Get Object: <ERROR> %v", i+1, err)
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}
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if testCase.byteRange != "" {
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req.Header.Add("Range", testCase.byteRange)
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}
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// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
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// Call the ServeHTTP to execute the handler,`func (api objectAPIHandlers) GetObjectHandler` handles the request.
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apiRouter.ServeHTTP(rec, req)
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// Assert the response code with the expected status.
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if rec.Code != testCase.expectedRespStatus {
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t.Fatalf("Case %d: Expected the response status to be `%d`, but instead found `%d`", i+1, testCase.expectedRespStatus, rec.Code)
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}
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// read the response body.
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actualContent, err := ioutil.ReadAll(rec.Body)
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if err != nil {
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t.Fatalf("Test %d: %s: Failed parsing response body: <ERROR> %v", i+1, instanceType, err)
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}
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// Verify whether the bucket obtained object is same as the one inserted.
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if !bytes.Equal(testCase.expectedContent, actualContent) {
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t.Errorf("Test %d: %s: Object content differs from expected value.: %s", i+1, instanceType, string(actualContent))
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}
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}
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}
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// Wrapper for calling Copy Object API handler tests for both XL multiple disks and single node setup.
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func TestAPICopyObjectHandler(t *testing.T) {
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ExecObjectLayerTest(t, testAPICopyObjectHandler)
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}
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func testAPICopyObjectHandler(obj ObjectLayer, instanceType string, t TestErrHandler) {
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// get random bucket name.
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bucketName := getRandomBucketName()
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objectName := "test-object"
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// Create bucket.
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err := obj.MakeBucket(bucketName)
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if err != nil {
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// failed to create newbucket, abort.
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t.Fatalf("%s : %s", instanceType, err)
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}
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// Register the API end points with XL/FS object layer.
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// Registering only the Copy Object handler.
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apiRouter := initTestAPIEndPoints(obj, []string{"CopyObject"})
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// initialize the server and obtain the credentials and root.
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// credentials are necessary to sign the HTTP request.
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rootPath, err := newTestConfig("us-east-1")
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if err != nil {
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t.Fatalf("Init Test config failed")
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}
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// remove the root folder after the test ends.
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defer removeAll(rootPath)
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err = initEventNotifier(obj)
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if err != nil {
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t.Fatalf("Initializing event notifiers failed")
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}
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credentials := serverConfig.GetCredential()
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// set of byte data for PutObject.
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// object has to be inserted before running tests for Copy Object.
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// this is required even to assert the copied object,
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bytesData := []struct {
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byteData []byte
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}{
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{generateBytesData(6 * 1024 * 1024)},
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}
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buffers := []*bytes.Buffer{
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new(bytes.Buffer),
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new(bytes.Buffer),
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}
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// set of inputs for uploading the objects before tests for downloading is done.
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putObjectInputs := []struct {
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bucketName string
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objectName string
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contentLength int64
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textData []byte
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metaData map[string]string
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}{
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// case - 1.
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{bucketName, objectName, int64(len(bytesData[0].byteData)), bytesData[0].byteData, make(map[string]string)},
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}
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// iterate through the above set of inputs and upload the object.
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for i, input := range putObjectInputs {
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// uploading the object.
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_, err = obj.PutObject(input.bucketName, input.objectName, input.contentLength, bytes.NewBuffer(input.textData), input.metaData)
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// if object upload fails stop the test.
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if err != nil {
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t.Fatalf("Put Object case %d: Error uploading object: <ERROR> %v", i+1, err)
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}
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}
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// test cases with inputs and expected result for Copy Object.
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testCases := []struct {
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bucketName string
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newObjectName string // name of the newly copied object.
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copySourceHeader string // data for "X-Amz-Copy-Source" header. Contains the object to be copied in the URL.
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// expected output.
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expectedRespStatus int
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}{
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// Test case - 1.
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{
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bucketName: bucketName,
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newObjectName: "newObject1",
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copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
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expectedRespStatus: http.StatusOK,
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},
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// Test case - 2.
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// Test case with invalid source object.
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{
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bucketName: bucketName,
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newObjectName: "newObject1",
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copySourceHeader: url.QueryEscape("/"),
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expectedRespStatus: http.StatusBadRequest,
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},
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// Test case - 3.
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// Test case with new object name is same as object to be copied.
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{
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bucketName: bucketName,
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newObjectName: objectName,
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copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
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expectedRespStatus: http.StatusBadRequest,
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},
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// Test case - 4.
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// Test case with non-existent source file.
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// Case for the purpose of failing `api.ObjectAPI.GetObjectInfo`.
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// Expecting the response status code to http.StatusNotFound (404).
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{
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bucketName: bucketName,
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newObjectName: objectName,
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copySourceHeader: url.QueryEscape("/" + bucketName + "/" + "non-existent-object"),
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expectedRespStatus: http.StatusNotFound,
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},
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// Test case - 5.
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// Test case with non-existent source file.
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// Case for the purpose of failing `api.ObjectAPI.PutObject`.
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// Expecting the response status code to http.StatusNotFound (404).
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{
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bucketName: "non-existent-destination-bucket",
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newObjectName: objectName,
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copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
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expectedRespStatus: http.StatusNotFound,
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},
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}
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for i, testCase := range testCases {
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// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
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rec := httptest.NewRecorder()
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// construct HTTP request for copy object.
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req, err := newTestSignedRequest("PUT", getCopyObjectURL("", testCase.bucketName, testCase.newObjectName),
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0, nil, credentials.AccessKeyID, credentials.SecretAccessKey)
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if err != nil {
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t.Fatalf("Test %d: Failed to create HTTP request for copy Object: <ERROR> %v", i+1, err)
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}
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// "X-Amz-Copy-Source" header contains the information about the source bucket and the object to copied.
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if testCase.copySourceHeader != "" {
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req.Header.Set("X-Amz-Copy-Source", testCase.copySourceHeader)
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}
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// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
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// Call the ServeHTTP to execute the handler, `func (api objectAPIHandlers) CopyObjectHandler` handles the request.
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apiRouter.ServeHTTP(rec, req)
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// Assert the response code with the expected status.
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if rec.Code != testCase.expectedRespStatus {
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t.Fatalf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`", i+1, instanceType, testCase.expectedRespStatus, rec.Code)
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}
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if rec.Code == http.StatusOK {
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// See if the new object is formed.
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// testing whether the copy was successful.
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err = obj.GetObject(testCase.bucketName, testCase.newObjectName, 0, int64(len(bytesData[0].byteData)), buffers[0])
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if err != nil {
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t.Fatalf("Test %d: %s: Failed to fetch the copied object: <ERROR> %s", i+1, instanceType, err)
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}
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if !bytes.Equal(bytesData[0].byteData, buffers[0].Bytes()) {
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t.Errorf("Test %d: %s: Data Mismatch: Data fetched back from the copied object doesn't match the original one.", i+1, instanceType)
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}
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buffers[0].Reset()
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}
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}
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}
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