github.com/m3db/m3@v1.5.0/src/x/net/http/response_test.go (about)

     1  // Copyright (c) 2018 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 xhttp
    22  
    23  import (
    24  	"encoding/json"
    25  	"math"
    26  	"net/http"
    27  	"net/http/httptest"
    28  	"testing"
    29  
    30  	"github.com/stretchr/testify/assert"
    31  	"github.com/stretchr/testify/require"
    32  	"go.uber.org/zap"
    33  )
    34  
    35  func TestWriteJSONResponse(t *testing.T) {
    36  	recorder := httptest.NewRecorder()
    37  	WriteJSONResponse(recorder, struct {
    38  		Foo string `json:"foo"`
    39  	}{
    40  		Foo: "bar",
    41  	}, zap.NewNop())
    42  
    43  	assert.Equal(t, http.StatusOK, recorder.Code)
    44  	assert.Equal(t, `{"foo":"bar"}`, recorder.Body.String())
    45  }
    46  
    47  func TestWriteJSONResponseError(t *testing.T) {
    48  	recorder := httptest.NewRecorder()
    49  	WriteJSONResponse(recorder, math.Inf(1), zap.NewNop())
    50  
    51  	assertWroteJSONError(t, recorder, http.StatusInternalServerError)
    52  }
    53  
    54  func TestWriteUninitializedResponse(t *testing.T) {
    55  	recorder := httptest.NewRecorder()
    56  	WriteUninitializedResponse(recorder, zap.NewNop())
    57  
    58  	assertWroteJSONError(t, recorder, http.StatusServiceUnavailable)
    59  }
    60  
    61  func assertWroteJSONError(
    62  	t *testing.T,
    63  	recorder *httptest.ResponseRecorder,
    64  	code int,
    65  ) {
    66  	assert.Equal(t, code, recorder.Code)
    67  	var resp ErrorResponse
    68  	err := json.NewDecoder(recorder.Body).Decode(&resp)
    69  	require.NoError(t, err)
    70  	assert.NotEqual(t, "", resp.Error)
    71  }