github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/api/panic_handler_test.go (about)

     1  //  Copyright (c) 2017-2018 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package api
    16  
    17  import (
    18  	"errors"
    19  	"fmt"
    20  	"io/ioutil"
    21  	"net/http"
    22  	"net/http/httptest"
    23  
    24  	"github.com/gorilla/mux"
    25  	"github.com/onsi/ginkgo"
    26  	. "github.com/onsi/gomega"
    27  )
    28  
    29  // panicProducer is for test panic handler.
    30  var panicProducer = func(w http.ResponseWriter, r *http.Request) {
    31  	panic(errors.New("IntentionalError"))
    32  }
    33  
    34  var _ = ginkgo.Describe("HTTPRouter", func() {
    35  
    36  	ginkgo.It("PanicHandler should work", func() {
    37  		testRouter := mux.NewRouter()
    38  		testRouter.HandleFunc("/panic", panicProducer)
    39  		testServer := httptest.NewUnstartedServer(WithPanicHandling(testRouter))
    40  		testServer.Start()
    41  
    42  		resp, _ := http.Get(fmt.Sprintf("http://%s/panic", testServer.Listener.Addr().String()))
    43  		Ω(resp.StatusCode).Should(Equal(http.StatusInternalServerError))
    44  		respBody, err := ioutil.ReadAll(resp.Body)
    45  		Ω(err).Should(BeNil())
    46  		Ω(respBody).Should(Equal([]byte("IntentionalError")))
    47  
    48  		testServer.Close()
    49  	})
    50  })