howmuch/internal/pkg/middleware/requestid_test.go

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// MIT License
//
// Copyright (c) 2024 vinchent <vinchent@vinchent.xyz>
//
// 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.
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package middleware
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/stretchr/testify/assert"
)
type header struct {
Key string
Value string
}
func performRequest(
r http.Handler,
method, path string,
headers ...header,
) *httptest.ResponseRecorder {
req := httptest.NewRequest(method, path, nil)
for _, h := range headers {
req.Header.Add(h.Key, h.Value)
}
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
return w
}
func TestRequestID(t *testing.T) {
r := gin.New()
r.Use(RequestID())
var got string
wanted := "123"
r.GET("/example", func(c *gin.Context) {
got = c.GetHeader(requestID)
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c.Status(http.StatusOK)
})
r.POST("/example", func(c *gin.Context) {
got = c.GetHeader(requestID)
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c.String(http.StatusAccepted, "ok")
})
// Test with Request ID
_ = performRequest(r, "GET", "/example?a=100", header{requestID, wanted})
assert.Equal(t, "123", got)
res := performRequest(r, "GET", "/example?a=100")
assert.NotEqual(t, "", got)
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assert.NoError(t, uuid.Validate(got))
assert.Equal(t, res.Header()[requestID][0], got)
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}