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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package zap_test
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
. "go.uber.org/zap"
"go.uber.org/zap/zapcore"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func newHandler() (AtomicLevel, *Logger) {
lvl := NewAtomicLevel()
logger := New(zapcore.NewNopCore())
return lvl, logger
}
func assertCodeOK(t testing.TB, code int) {
assert.Equal(t, http.StatusOK, code, "Unexpected response status code.")
}
func assertCodeBadRequest(t testing.TB, code int) {
assert.Equal(t, http.StatusBadRequest, code, "Unexpected response status code.")
}
func assertCodeMethodNotAllowed(t testing.TB, code int) {
assert.Equal(t, http.StatusMethodNotAllowed, code, "Unexpected response status code.")
}
func assertResponse(t testing.TB, expectedLevel zapcore.Level, actualBody string) {
assert.Equal(t, fmt.Sprintf(`{"level":"%s"}`, expectedLevel)+"\n", actualBody, "Unexpected response body.")
}
func assertJSONError(t testing.TB, body string) {
// Don't need to test exact error message, but one should be present.
var payload map[string]interface{}
require.NoError(t, json.Unmarshal([]byte(body), &payload), "Expected error response to be JSON.")
msg, ok := payload["error"]
require.True(t, ok, "Error message is an unexpected type.")
assert.NotEqual(t, "", msg, "Expected an error message in response.")
}
func makeRequest(t testing.TB, method string, handler http.Handler, reader io.Reader) (int, string) {
ts := httptest.NewServer(handler)
defer ts.Close()
req, err := http.NewRequest(method, ts.URL, reader)
require.NoError(t, err, "Error constructing %s request.", method)
res, err := http.DefaultClient.Do(req)
require.NoError(t, err, "Error making %s request.", method)
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
require.NoError(t, err, "Error reading request body.")
return res.StatusCode, string(body)
}
func TestHTTPHandlerGetLevel(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "GET", lvl, nil)
assertCodeOK(t, code)
assertResponse(t, lvl.Level(), body)
}
func TestHTTPHandlerPutLevel(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{"level":"warn"}`))
assertCodeOK(t, code)
assertResponse(t, lvl.Level(), body)
}
func TestHTTPHandlerPutUnrecognizedLevel(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{"level":"unrecognized-level"}`))
assertCodeBadRequest(t, code)
assertJSONError(t, body)
}
func TestHTTPHandlerNotJSON(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{`))
assertCodeBadRequest(t, code)
assertJSONError(t, body)
}
func TestHTTPHandlerNoLevelSpecified(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "PUT", lvl, strings.NewReader(`{}`))
assertCodeBadRequest(t, code)
assertJSONError(t, body)
}
func TestHTTPHandlerMethodNotAllowed(t *testing.T) {
lvl, _ := newHandler()
code, body := makeRequest(t, "POST", lvl, strings.NewReader(`{`))
assertCodeMethodNotAllowed(t, code)
assertJSONError(t, body)
}
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