go.uber.org/yarpc@v1.72.1/x/debug/debug_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package debug
    22  
    23  import (
    24  	"encoding/json"
    25  	"errors"
    26  	"io/ioutil"
    27  	"net/http"
    28  	"net/http/httptest"
    29  	"testing"
    30  	"text/template"
    31  
    32  	"go.uber.org/yarpc"
    33  
    34  	"github.com/stretchr/testify/require"
    35  	yarpchttp "go.uber.org/yarpc/transport/http"
    36  )
    37  
    38  var (
    39  	_jsonTestTmpl = template.Must(template.New("tmpl").Funcs(template.FuncMap{
    40  		"jsonMarshal": func(v interface{}) (string, error) {
    41  			data, err := json.Marshal(v)
    42  			if err != nil {
    43  				return "", err
    44  			}
    45  			return string(data), nil
    46  		},
    47  	}).Parse(`{{jsonMarshal .}}`))
    48  
    49  	_errorTestTmpl = template.Must(template.New("tmpl").Funcs(template.FuncMap{
    50  		"returnError": func(_ interface{}) (string, error) {
    51  			return "", errors.New("error")
    52  		},
    53  	}).Parse(`{{returnError .}}`))
    54  )
    55  
    56  func TestHandler(t *testing.T) {
    57  	dispatcher := newTestDispatcher()
    58  
    59  	expectedData, err := json.Marshal(newTmplData(dispatcher.Introspect()))
    60  	require.NoError(t, err)
    61  
    62  	responseRecorder := httptest.NewRecorder()
    63  	NewHandler(dispatcher, tmpl(_jsonTestTmpl))(responseRecorder, nil)
    64  
    65  	require.Equal(t, http.StatusOK, responseRecorder.Code)
    66  	data, err := ioutil.ReadAll(responseRecorder.Body)
    67  	require.NoError(t, err)
    68  	require.Equal(t, string(expectedData), string(data))
    69  }
    70  
    71  func TestHandlerError(t *testing.T) {
    72  	dispatcher := newTestDispatcher()
    73  
    74  	responseRecorder := httptest.NewRecorder()
    75  	NewHandler(dispatcher, tmpl(_errorTestTmpl))(responseRecorder, nil)
    76  	require.Equal(t, http.StatusInternalServerError, responseRecorder.Code)
    77  }
    78  
    79  func newTestDispatcher() *yarpc.Dispatcher {
    80  	httpTransport := yarpchttp.NewTransport()
    81  	return yarpc.NewDispatcher(yarpc.Config{
    82  		Name: "test",
    83  		Inbounds: yarpc.Inbounds{
    84  			httpTransport.NewInbound("127.0.0.1:0"),
    85  		},
    86  		Outbounds: yarpc.Outbounds{
    87  			"test-client": {
    88  				Unary:  httpTransport.NewSingleOutbound("http://127.0.0.1:1234"),
    89  				Oneway: httpTransport.NewSingleOutbound("http://127.0.0.1:1234"),
    90  			},
    91  		},
    92  	})
    93  }