1// Copyright (c) 2016 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 21package zap_test 22 23import ( 24 "encoding/json" 25 "fmt" 26 "io" 27 "io/ioutil" 28 "net/http" 29 "net/http/httptest" 30 "strings" 31 "testing" 32 33 . "go.uber.org/zap" 34 "go.uber.org/zap/zapcore" 35 36 "github.com/stretchr/testify/assert" 37 "github.com/stretchr/testify/require" 38) 39 40func newHandler() (AtomicLevel, *Logger) { 41 lvl := NewAtomicLevel() 42 logger := New(zapcore.NewNopCore()) 43 return lvl, logger 44} 45 46func assertCodeOK(t testing.TB, code int) { 47 assert.Equal(t, http.StatusOK, code, "Unexpected response status code.") 48} 49 50func assertCodeBadRequest(t testing.TB, code int) { 51 assert.Equal(t, http.StatusBadRequest, code, "Unexpected response status code.") 52} 53 54func assertCodeMethodNotAllowed(t testing.TB, code int) { 55 assert.Equal(t, http.StatusMethodNotAllowed, code, "Unexpected response status code.") 56} 57 58func assertResponse(t testing.TB, expectedLevel zapcore.Level, actualBody string) { 59 assert.Equal(t, fmt.Sprintf(`{"level":"%s"}`, expectedLevel)+"\n", actualBody, "Unexpected response body.") 60} 61 62func assertJSONError(t testing.TB, body string) { 63 // Don't need to test exact error message, but one should be present. 64 var payload map[string]interface{} 65 require.NoError(t, json.Unmarshal([]byte(body), &payload), "Expected error response to be JSON.") 66 67 msg, ok := payload["error"] 68 require.True(t, ok, "Error message is an unexpected type.") 69 assert.NotEqual(t, "", msg, "Expected an error message in response.") 70} 71 72func makeRequest(t testing.TB, method string, handler http.Handler, reader io.Reader) (int, string) { 73 ts := httptest.NewServer(handler) 74 defer ts.Close() 75 76 req, err := http.NewRequest(method, ts.URL, reader) 77 require.NoError(t, err, "Error constructing %s request.", method) 78 79 res, err := http.DefaultClient.Do(req) 80 require.NoError(t, err, "Error making %s request.", method) 81 defer res.Body.Close() 82 83 body, err := ioutil.ReadAll(res.Body) 84 require.NoError(t, err, "Error reading request body.") 85 86 return res.StatusCode, string(body) 87} 88 89func TestHTTPHandlerGetLevel(t *testing.T) { 90 lvl, _ := newHandler() 91 code, body := makeRequest(t, "GET", lvl, nil) 92 assertCodeOK(t, code) 93 assertResponse(t, lvl.Level(), body) 94} 95 96func TestHTTPHandlerPutLevel(t *testing.T) { 97 lvl, _ := newHandler() 98 99 code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{"level":"warn"}`)) 100 101 assertCodeOK(t, code) 102 assertResponse(t, lvl.Level(), body) 103} 104 105func TestHTTPHandlerPutUnrecognizedLevel(t *testing.T) { 106 lvl, _ := newHandler() 107 code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{"level":"unrecognized-level"}`)) 108 assertCodeBadRequest(t, code) 109 assertJSONError(t, body) 110} 111 112func TestHTTPHandlerNotJSON(t *testing.T) { 113 lvl, _ := newHandler() 114 code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{`)) 115 assertCodeBadRequest(t, code) 116 assertJSONError(t, body) 117} 118 119func TestHTTPHandlerNoLevelSpecified(t *testing.T) { 120 lvl, _ := newHandler() 121 code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{}`)) 122 assertCodeBadRequest(t, code) 123 assertJSONError(t, body) 124} 125 126func TestHTTPHandlerMethodNotAllowed(t *testing.T) { 127 lvl, _ := newHandler() 128 code, body := makeRequest(t, "POST", lvl, strings.NewReader(`{`)) 129 assertCodeMethodNotAllowed(t, code) 130 assertJSONError(t, body) 131} 132