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sessionmapper_test.go
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sessionmapper_test.go
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package sessionmapper
import (
"bytes"
"context"
"fmt"
"net/http"
"net/http/httptest"
"testing"
)
func TestClient(t *testing.T) {
ts := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, `{"upstream":{"me": "too"}}`)
}))
defer ts.Close()
c := ts.Client()
resp, err := c.Get(ts.URL)
if err != nil {
panic(err)
}
fmt.Printf("%s\n", resp.Status)
buf := new(bytes.Buffer)
buf.ReadFrom(resp.Body)
s := buf.String()
assertString(t, `{"upstream":{"me": "too"}}`, s)
}
func TestSessionMapper(t *testing.T) {
cfg := CreateConfig()
cfg.Headers = []string{"me"}
ctx := context.Background()
next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, `{"upstream":{"they": "too", "you": "too", "me": "too"}}`)
}))
defer ts.Close()
c := ts.Client()
handler := &SessionMapper{
headers: []string{"they", "you"},
client: c,
server: ts.URL,
next: next,
}
recorder := httptest.NewRecorder()
req, err := http.NewRequestWithContext(ctx, http.MethodGet, "http://localhost", nil)
if err != nil {
t.Fatal(err)
}
handler.ServeHTTP(recorder, req)
assertString(t, "too", req.Header.Get("they"))
}
func assertString(t *testing.T, expected, value string) {
t.Helper()
if value != expected {
t.Errorf(`invalid value: "%s" - expected: "%s"`, value, expected)
}
}