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106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
package requestid
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func newRequest(t *testing.T) *http.Request {
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t.Helper()
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r, err := http.NewRequest(http.MethodGet, "https://example.com", http.NoBody)
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require.NoError(t, err)
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return r
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}
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func Test_Middleware(t *testing.T) {
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requestWithID := newRequest(t)
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requestWithID.Header.Set("X-Request-Id", "reqID")
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requestWithoutID := newRequest(t)
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requestWithEmptyHeader := newRequest(t)
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requestWithEmptyHeader.Header.Set("X-Request-Id", "")
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requestWithSmallstepID := newRequest(t)
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requestWithSmallstepID.Header.Set("X-Smallstep-Id", "smallstepID")
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tests := []struct {
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name string
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traceHeader string
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next http.HandlerFunc
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req *http.Request
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}{
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{
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name: "default-request-id",
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traceHeader: defaultTraceHeader,
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next: func(w http.ResponseWriter, r *http.Request) {
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assert.Empty(t, r.Header.Get("X-Smallstep-Id"))
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assert.Equal(t, "reqID", r.Header.Get("X-Request-Id"))
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reqID, ok := FromContext(r.Context())
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if assert.True(t, ok) {
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assert.Equal(t, "reqID", reqID)
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}
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assert.Equal(t, "reqID", w.Header().Get("X-Request-Id"))
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},
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req: requestWithID,
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},
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{
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name: "no-request-id",
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traceHeader: "X-Request-Id",
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next: func(w http.ResponseWriter, r *http.Request) {
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assert.Empty(t, r.Header.Get("X-Smallstep-Id"))
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value := r.Header.Get("X-Request-Id")
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assert.NotEmpty(t, value)
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reqID, ok := FromContext(r.Context())
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if assert.True(t, ok) {
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assert.Equal(t, value, reqID)
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}
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assert.Equal(t, value, w.Header().Get("X-Request-Id"))
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},
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req: requestWithoutID,
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},
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{
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name: "empty-header",
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traceHeader: "",
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next: func(w http.ResponseWriter, r *http.Request) {
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assert.Empty(t, r.Header.Get("X-Request-Id"))
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value := r.Header.Get("X-Smallstep-Id")
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assert.NotEmpty(t, value)
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reqID, ok := FromContext(r.Context())
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if assert.True(t, ok) {
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assert.Equal(t, value, reqID)
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}
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assert.Equal(t, value, w.Header().Get("X-Request-Id"))
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},
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req: requestWithEmptyHeader,
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},
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{
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name: "fallback-header-name",
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traceHeader: defaultTraceHeader,
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next: func(w http.ResponseWriter, r *http.Request) {
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assert.Empty(t, r.Header.Get("X-Request-Id"))
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assert.Equal(t, "smallstepID", r.Header.Get("X-Smallstep-Id"))
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reqID, ok := FromContext(r.Context())
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if assert.True(t, ok) {
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assert.Equal(t, "smallstepID", reqID)
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}
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assert.Equal(t, "smallstepID", w.Header().Get("X-Request-Id"))
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},
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req: requestWithSmallstepID,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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handler := New(tt.traceHeader).Middleware(tt.next)
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w := httptest.NewRecorder()
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handler.ServeHTTP(w, tt.req)
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assert.NotEmpty(t, w.Header().Get("X-Request-Id"))
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})
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}
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}
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