62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
// Copyright The OpenTelemetry Authors
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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 otelhttp_test
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import (
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
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)
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func TestResponseWriterImplementsFlusher(t *testing.T) {
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h := otelhttp.NewHandler(
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http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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assert.Implements(t, (*http.Flusher)(nil), w)
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}), "test_handler",
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)
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r, err := http.NewRequest(http.MethodGet, "http://localhost/", nil)
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require.NoError(t, err)
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h.ServeHTTP(httptest.NewRecorder(), r)
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}
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// This use case is important as we make sure the body isn't mutated
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// when it is nil. This is a common use case for tests where the request
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// is directly passed to the handler.
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func TestHandlerReadingNilBodySuccess(t *testing.T) {
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h := otelhttp.NewHandler(
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http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Body != nil {
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_, err := ioutil.ReadAll(r.Body)
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assert.NoError(t, err)
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}
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}), "test_handler",
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)
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r, err := http.NewRequest(http.MethodGet, "http://localhost/", nil)
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require.NoError(t, err)
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rr := httptest.NewRecorder()
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h.ServeHTTP(rr, r)
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assert.Equal(t, 200, rr.Result().StatusCode)
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}
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