github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/api/health_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  	"fmt"
    19  	"io/ioutil"
    20  	"net/http"
    21  	"net/http/httptest"
    22  
    23  	"github.com/gorilla/mux"
    24  	"github.com/onsi/ginkgo"
    25  	. "github.com/onsi/gomega"
    26  )
    27  
    28  var _ = ginkgo.Describe("HealthCheck", func() {
    29  	healthCheckHandler := NewHealthCheckHandler()
    30  	var testServer *httptest.Server
    31  	ginkgo.BeforeEach(func() {
    32  		testRouter := mux.NewRouter()
    33  		testRouter.HandleFunc("/health", healthCheckHandler.HealthCheck)
    34  		testServer = httptest.NewUnstartedServer(WithPanicHandling(testRouter))
    35  		testServer.Start()
    36  	})
    37  
    38  	ginkgo.AfterEach(func() {
    39  		testServer.Close()
    40  	})
    41  
    42  	ginkgo.It("HealthCheck should work", func() {
    43  		hostPort := testServer.Listener.Addr().String()
    44  		resp, err := http.Post(fmt.Sprintf("http://%s/health", hostPort), "", nil)
    45  		Ω(err).Should(BeNil())
    46  		b, err := ioutil.ReadAll(resp.Body)
    47  		Ω(string(b)).Should(Equal("OK"))
    48  		Ω(err).Should(BeNil())
    49  		Ω(resp.StatusCode).Should(Equal(http.StatusOK))
    50  
    51  		healthCheckHandler.disable = true
    52  
    53  		resp, err = http.Post(fmt.Sprintf("http://%s/health", hostPort), "", nil)
    54  		Ω(err).Should(BeNil())
    55  		b, err = ioutil.ReadAll(resp.Body)
    56  		Ω(string(b)).Should(Equal("Health check disabled"))
    57  		Ω(err).Should(BeNil())
    58  		Ω(resp.StatusCode).Should(Equal(http.StatusServiceUnavailable))
    59  	})
    60  })