mirror of
https://github.com/dutchcoders/transfer.sh.git
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99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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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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package status
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"github.com/google/martian"
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"github.com/google/martian/parse"
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"github.com/google/martian/verify"
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)
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const errFormat = "response(%s) status code verify failure: got %d, want %d"
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// Verifier verifies the status codes of all responses.
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type Verifier struct {
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statusCode int
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err *martian.MultiError
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}
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type verifierJSON struct {
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StatusCode int `json:"statusCode"`
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Scope []parse.ModifierType `json:"scope"`
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}
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func init() {
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parse.Register("status.Verifier", verifierFromJSON)
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}
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// NewVerifier returns a new status.Verifier for statusCode.
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func NewVerifier(statusCode int) verify.ResponseVerifier {
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return &Verifier{
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statusCode: statusCode,
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err: martian.NewMultiError(),
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}
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}
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// ModifyResponse verifies that the status code for all requests
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// matches statusCode.
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func (v *Verifier) ModifyResponse(res *http.Response) error {
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ctx := martian.NewContext(res.Request)
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if ctx.IsAPIRequest() {
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return nil
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}
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if res.StatusCode != v.statusCode {
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v.err.Add(fmt.Errorf(errFormat, res.Request.URL, res.StatusCode, v.statusCode))
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}
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return nil
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}
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// VerifyResponses returns an error if verification for any
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// request failed.
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// If an error is returned it will be of type *martian.MultiError.
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func (v *Verifier) VerifyResponses() error {
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if v.err.Empty() {
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return nil
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}
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return v.err
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}
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// ResetResponseVerifications clears all failed response verifications.
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func (v *Verifier) ResetResponseVerifications() {
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v.err = martian.NewMultiError()
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}
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// verifierFromJSON builds a status.Verifier from JSON.
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//
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// Example JSON:
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// {
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// "status.Verifier": {
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// "scope": ["response"],
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// "statusCode": 401
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// }
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// }
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func verifierFromJSON(b []byte) (*parse.Result, error) {
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msg := &verifierJSON{}
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if err := json.Unmarshal(b, msg); err != nil {
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return nil, err
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}
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return parse.NewResult(NewVerifier(msg.StatusCode), msg.Scope)
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}
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