github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/tequilapi/client/client_test.go (about)

     1  /*
     2   * Copyright (C) 2019 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package client
    19  
    20  import (
    21  	"io"
    22  	"net/http"
    23  	"net/http/httptest"
    24  	"strings"
    25  	"testing"
    26  
    27  	"github.com/mysteriumnetwork/node/core/monitoring"
    28  
    29  	"github.com/mysteriumnetwork/node/tequilapi/contract"
    30  	"github.com/stretchr/testify/assert"
    31  )
    32  
    33  const errorMessage = `
    34  {
    35  	"message" : "me haz faild"
    36  }
    37  `
    38  
    39  func Test_NATStatus_ReturnsStatus(t *testing.T) {
    40  	httpClient := mockHTTPClient(
    41  		t,
    42  		http.MethodGet,
    43  		"/node/monitoring-status",
    44  		http.StatusOK,
    45  		`{"status": "failed"}`,
    46  	)
    47  	client := Client{http: httpClient}
    48  
    49  	status, err := client.NATStatus()
    50  
    51  	assert.NoError(t, err)
    52  	assert.Equal(t, monitoring.Failed, status.Status)
    53  }
    54  
    55  func Test_NATStatus_ReturnsError(t *testing.T) {
    56  	httpClient := mockHTTPClient(
    57  		t,
    58  		http.MethodGet,
    59  		"/node/monitoring-status",
    60  		http.StatusInternalServerError,
    61  		``,
    62  	)
    63  	client := Client{http: httpClient}
    64  
    65  	_, err := client.NATStatus()
    66  	assert.Error(t, err)
    67  }
    68  
    69  func TestConnectionErrorIsReturnedByClientInsteadOfDoubleParsing(t *testing.T) {
    70  	responseBody := &trackingCloser{
    71  		Reader: strings.NewReader(errorMessage),
    72  	}
    73  
    74  	client := Client{
    75  		http: &httpClient{
    76  			http: onAnyRequestReturn(&http.Response{
    77  				Status:     "Internal server error",
    78  				StatusCode: 500,
    79  				Body:       responseBody,
    80  			}),
    81  			baseURL: "http://test-api-whatever",
    82  			ua:      "test-agent",
    83  		},
    84  	}
    85  
    86  	_, err := client.ConnectionCreate("consumer", "provider", "hermes", "service", contract.ConnectOptions{})
    87  	assert.Error(t, err)
    88  	assert.EqualError(t, err, "server responded with an error: 500 (http://test-api-whatever/connection) [internal] \n{\n\t\"message\" : \"me haz faild\"\n}\n")
    89  	//when doing http request, response body should always be closed by client - otherwise persistent connections are leaking
    90  	assert.True(t, responseBody.Closed)
    91  }
    92  
    93  func mockHTTPClient(t *testing.T, method, url string, statusCode int, response string) httpClientInterface {
    94  	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    95  		assert.Equal(t, method, r.Method)
    96  		assert.Equal(t, url, r.URL.Path)
    97  		w.Write([]byte(response))
    98  		w.WriteHeader(statusCode)
    99  	}))
   100  	return newHTTPClient(server.URL, "")
   101  }
   102  
   103  type requestDoer func(req *http.Request) (*http.Response, error)
   104  
   105  func (f requestDoer) Do(req *http.Request) (*http.Response, error) {
   106  	return f(req)
   107  }
   108  
   109  func onAnyRequestReturn(response *http.Response) requestDoer {
   110  	return func(req *http.Request) (*http.Response, error) {
   111  		response.Request = req
   112  		return response, nil
   113  	}
   114  }
   115  
   116  type trackingCloser struct {
   117  	io.Reader
   118  	Closed bool
   119  }
   120  
   121  func (tc *trackingCloser) Close() error {
   122  	tc.Closed = true
   123  	return nil
   124  }
   125  
   126  var _ io.ReadCloser = (*trackingCloser)(nil)