mirror of
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283 lines
9.7 KiB
Go
283 lines
9.7 KiB
Go
/*
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* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 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 bZy 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 minio
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"io/ioutil"
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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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// Tests validate the Error generator function for http response with error.
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func TestHttpRespToErrorResponse(t *testing.T) {
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// 'genAPIErrorResponse' generates ErrorResponse for given APIError.
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// provides a encodable populated response values.
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genAPIErrorResponse := func(err APIError, bucketName string) ErrorResponse {
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var errResp = ErrorResponse{}
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errResp.Code = err.Code
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errResp.Message = err.Description
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errResp.BucketName = bucketName
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return errResp
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}
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// Encodes the response headers into XML format.
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encodeErr := func(response interface{}) []byte {
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var bytesBuffer bytes.Buffer
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bytesBuffer.WriteString(xml.Header)
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encode := xml.NewEncoder(&bytesBuffer)
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encode.Encode(response)
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return bytesBuffer.Bytes()
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}
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// `createAPIErrorResponse` Mocks XML error response from the server.
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createAPIErrorResponse := func(APIErr APIError, bucketName string) *http.Response {
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// generate error response.
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// response body contains the XML error message.
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resp := &http.Response{}
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errorResponse := genAPIErrorResponse(APIErr, bucketName)
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encodedErrorResponse := encodeErr(errorResponse)
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// write Header.
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resp.StatusCode = APIErr.HTTPStatusCode
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resp.Body = ioutil.NopCloser(bytes.NewBuffer(encodedErrorResponse))
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return resp
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}
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// 'genErrResponse' contructs error response based http Status Code
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genErrResponse := func(resp *http.Response, code, message, bucketName, objectName string) ErrorResponse {
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errResp := ErrorResponse{
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Code: code,
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Message: message,
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BucketName: bucketName,
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Key: objectName,
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RequestID: resp.Header.Get("x-amz-request-id"),
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HostID: resp.Header.Get("x-amz-id-2"),
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Region: resp.Header.Get("x-amz-bucket-region"),
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Headers: resp.Header,
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}
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return errResp
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}
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// Generate invalid argument error.
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genInvalidError := func(message string) error {
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errResp := ErrorResponse{
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Code: "InvalidArgument",
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Message: message,
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RequestID: "minio",
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}
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return errResp
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}
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// Set common http response headers.
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setCommonHeaders := func(resp *http.Response) *http.Response {
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// set headers.
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resp.Header = make(http.Header)
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resp.Header.Set("x-amz-request-id", "xyz")
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resp.Header.Set("x-amz-id-2", "abc")
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resp.Header.Set("x-amz-bucket-region", "us-east-1")
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return resp
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}
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// Generate http response with empty body.
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// Set the StatusCode to the argument supplied.
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// Sets common headers.
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genEmptyBodyResponse := func(statusCode int) *http.Response {
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resp := &http.Response{}
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// set empty response body.
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resp.Body = ioutil.NopCloser(bytes.NewBuffer([]byte("")))
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// set headers.
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setCommonHeaders(resp)
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// set status code.
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resp.StatusCode = statusCode
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return resp
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}
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// Decode XML error message from the http response body.
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decodeXMLError := func(resp *http.Response, t *testing.T) error {
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var errResp ErrorResponse
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err := xmlDecoder(resp.Body, &errResp)
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if err != nil {
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t.Fatal("XML decoding of response body failed")
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}
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return errResp
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}
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// List of APIErrors used to generate/mock server side XML error response.
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APIErrors := []APIError{
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{
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Code: "NoSuchBucketPolicy",
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Description: "The specified bucket does not have a bucket policy.",
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HTTPStatusCode: http.StatusNotFound,
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},
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}
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// List of expected response.
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// Used for asserting the actual response.
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expectedErrResponse := []error{
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genInvalidError("Response is empty. " + "Please report this issue at https://github.com/minio/minio-go/issues."),
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decodeXMLError(createAPIErrorResponse(APIErrors[0], "minio-bucket"), t),
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genErrResponse(setCommonHeaders(&http.Response{}), "NoSuchBucket", "The specified bucket does not exist.", "minio-bucket", ""),
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genErrResponse(setCommonHeaders(&http.Response{}), "NoSuchKey", "The specified key does not exist.", "minio-bucket", "Asia/"),
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genErrResponse(setCommonHeaders(&http.Response{}), "AccessDenied", "Access Denied.", "minio-bucket", ""),
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genErrResponse(setCommonHeaders(&http.Response{}), "Conflict", "Bucket not empty.", "minio-bucket", ""),
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genErrResponse(setCommonHeaders(&http.Response{}), "Bad Request", "Bad Request", "minio-bucket", ""),
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}
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// List of http response to be used as input.
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inputResponses := []*http.Response{
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nil,
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createAPIErrorResponse(APIErrors[0], "minio-bucket"),
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genEmptyBodyResponse(http.StatusNotFound),
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genEmptyBodyResponse(http.StatusNotFound),
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genEmptyBodyResponse(http.StatusForbidden),
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genEmptyBodyResponse(http.StatusConflict),
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genEmptyBodyResponse(http.StatusBadRequest),
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}
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testCases := []struct {
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bucketName string
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objectName string
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inputHTTPResp *http.Response
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// expected results.
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expectedResult error
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// flag indicating whether tests should pass.
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}{
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{"minio-bucket", "", inputResponses[0], expectedErrResponse[0]},
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{"minio-bucket", "", inputResponses[1], expectedErrResponse[1]},
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{"minio-bucket", "", inputResponses[2], expectedErrResponse[2]},
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{"minio-bucket", "Asia/", inputResponses[3], expectedErrResponse[3]},
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{"minio-bucket", "", inputResponses[4], expectedErrResponse[4]},
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{"minio-bucket", "", inputResponses[5], expectedErrResponse[5]},
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}
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for i, testCase := range testCases {
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actualResult := httpRespToErrorResponse(testCase.inputHTTPResp, testCase.bucketName, testCase.objectName)
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if !reflect.DeepEqual(testCase.expectedResult, actualResult) {
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t.Errorf("Test %d: Expected result to be '%#v', but instead got '%#v'", i+1, testCase.expectedResult, actualResult)
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}
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}
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}
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// Test validates 'ErrEntityTooLarge' error response.
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func TestErrEntityTooLarge(t *testing.T) {
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msg := fmt.Sprintf("Your proposed upload size ‘%d’ exceeds the maximum allowed object size ‘%d’ for single PUT operation.", 1000000, 99999)
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expectedResult := ErrorResponse{
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Code: "EntityTooLarge",
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Message: msg,
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BucketName: "minio-bucket",
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Key: "Asia/",
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}
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actualResult := ErrEntityTooLarge(1000000, 99999, "minio-bucket", "Asia/")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Test validates 'ErrEntityTooSmall' error response.
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func TestErrEntityTooSmall(t *testing.T) {
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msg := fmt.Sprintf("Your proposed upload size ‘%d’ is below the minimum allowed object size '0B' for single PUT operation.", -1)
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expectedResult := ErrorResponse{
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Code: "EntityTooLarge",
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Message: msg,
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BucketName: "minio-bucket",
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Key: "Asia/",
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}
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actualResult := ErrEntityTooSmall(-1, "minio-bucket", "Asia/")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Test validates 'ErrUnexpectedEOF' error response.
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func TestErrUnexpectedEOF(t *testing.T) {
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msg := fmt.Sprintf("Data read ‘%s’ is not equal to the size ‘%s’ of the input Reader.",
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strconv.FormatInt(100, 10), strconv.FormatInt(101, 10))
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expectedResult := ErrorResponse{
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Code: "UnexpectedEOF",
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Message: msg,
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BucketName: "minio-bucket",
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Key: "Asia/",
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}
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actualResult := ErrUnexpectedEOF(100, 101, "minio-bucket", "Asia/")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Test validates 'ErrInvalidBucketName' error response.
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func TestErrInvalidBucketName(t *testing.T) {
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expectedResult := ErrorResponse{
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Code: "InvalidBucketName",
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Message: "Invalid Bucket name",
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RequestID: "minio",
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}
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actualResult := ErrInvalidBucketName("Invalid Bucket name")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Test validates 'ErrInvalidObjectName' error response.
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func TestErrInvalidObjectName(t *testing.T) {
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expectedResult := ErrorResponse{
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Code: "NoSuchKey",
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Message: "Invalid Object Key",
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RequestID: "minio",
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}
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actualResult := ErrInvalidObjectName("Invalid Object Key")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Test validates 'ErrInvalidArgument' response.
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func TestErrInvalidArgument(t *testing.T) {
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expectedResult := ErrorResponse{
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Code: "InvalidArgument",
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Message: "Invalid Argument",
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RequestID: "minio",
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}
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actualResult := ErrInvalidArgument("Invalid Argument")
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if !reflect.DeepEqual(expectedResult, actualResult) {
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t.Errorf("Expected result to be '%+v', but instead got '%+v'", expectedResult, actualResult)
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}
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}
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// Tests if the Message field is missing.
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func TestErrWithoutMessage(t *testing.T) {
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errResp := ErrorResponse{
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Code: "AccessDenied",
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RequestID: "minio",
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}
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if errResp.Error() != "Access Denied." {
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t.Errorf("Expected \"Access Denied.\", got %s", errResp)
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}
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errResp = ErrorResponse{
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Code: "InvalidArgument",
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RequestID: "minio",
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}
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if errResp.Error() != "Error response code InvalidArgument." {
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t.Errorf("Expected \"Error response code InvalidArgument.\", got %s", errResp)
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}
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}
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