79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
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// Copyright 2024 The Prometheus Authors
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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 promhttp
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import (
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"net/http"
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"testing"
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"time"
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)
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type responseWriter struct {
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flushErrorCalled bool
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setWriteDeadlineCalled time.Time
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setReadDeadlineCalled time.Time
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}
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func (rw *responseWriter) Header() http.Header {
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return nil
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}
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func (rw *responseWriter) Write(p []byte) (int, error) {
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return 0, nil
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}
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func (rw *responseWriter) WriteHeader(statusCode int) {
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}
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func (rw *responseWriter) FlushError() error {
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rw.flushErrorCalled = true
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return nil
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}
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func (rw *responseWriter) SetWriteDeadline(deadline time.Time) error {
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rw.setWriteDeadlineCalled = deadline
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return nil
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}
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func (rw *responseWriter) SetReadDeadline(deadline time.Time) error {
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rw.setReadDeadlineCalled = deadline
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return nil
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}
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func TestResponseWriterDelegatorUnwrap(t *testing.T) {
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w := &responseWriter{}
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rwd := &responseWriterDelegator{ResponseWriter: w}
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if rwd.Unwrap() != w {
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t.Error("unwrapped responsewriter must equal to the original responsewriter")
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}
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controller := http.NewResponseController(rwd)
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if err := controller.Flush(); err != nil || !w.flushErrorCalled {
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t.Error("FlushError must be propagated to the original responsewriter")
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}
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timeNow := time.Now()
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if err := controller.SetWriteDeadline(timeNow); err != nil || w.setWriteDeadlineCalled != timeNow {
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t.Error("SetWriteDeadline must be propagated to the original responsewriter")
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}
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if err := controller.SetReadDeadline(timeNow); err != nil || w.setReadDeadlineCalled != timeNow {
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t.Error("SetReadDeadline must be propagated to the original responsewriter")
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}
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}
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