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package app
import (
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
)
func TestHTTPRedirect(t *testing.T) {
t.Run("no prefix", func(t *testing.T) {
mux := httpRedirect("", "/old/path", "/new/path")(http.NewServeMux())
srv := httptest.NewServer(mux)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode, "Status Code")
loc, err := resp.Location()
assert.Nil(t, err)
assert.Equal(t, srv.URL+"/new/path", loc.String(), "redirect URL")
})
t.Run("with prefix", func(t *testing.T) {
mux := httpRedirect("/foobar", "/old/path", "/new/path")(http.NewServeMux())
srv := httptest.NewServer(mux)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusTemporaryRedirect, resp.StatusCode, "Status Code")
loc, err := resp.Location()
assert.Nil(t, err)
assert.Equal(t, srv.URL+"/foobar/new/path", loc.String(), "redirect URL")
})
}
func TestMuxRewrite(t *testing.T) {
t.Run("simple rewrite", func(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/new/path", func(w http.ResponseWriter, req *http.Request) {
_, _ = io.WriteString(w, req.URL.String())
})
h := httpRewrite("", "/old/path", "/new/path")(mux)
srv := httptest.NewServer(h)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode, "Status Code")
data, err := io.ReadAll(resp.Body)
assert.Nil(t, err)
assert.Equal(t, "/new/path", string(data))
})
t.Run("query params", func(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/new/path", func(w http.ResponseWriter, req *http.Request) {
_, _ = io.WriteString(w, req.URL.String())
})
h := httpRewrite("", "/old/path", "/new/path?a=b")(mux)
srv := httptest.NewServer(h)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path?c=d", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode, "Status Code")
data, err := io.ReadAll(resp.Body)
assert.Nil(t, err)
assert.Equal(t, "/new/path?a=b&c=d", string(data))
})
t.Run("simple rewrite (prefix)", func(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/foobar/new/path", func(w http.ResponseWriter, req *http.Request) {
_, _ = io.WriteString(w, req.URL.String())
})
h := httpRewrite("/foobar", "/old/path", "/new/path")(mux)
srv := httptest.NewServer(h)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode, "Status Code")
data, err := io.ReadAll(resp.Body)
assert.Nil(t, err)
assert.Equal(t, "/foobar/new/path", string(data))
})
t.Run("simple rewrite (prefix+route)", func(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/foobar/new/path", func(w http.ResponseWriter, req *http.Request) {
_, _ = io.WriteString(w, req.URL.String())
})
h := httpRewrite("/foobar", "/old/", "/new/")(mux)
srv := httptest.NewServer(h)
defer srv.Close()
req, err := http.NewRequest("GET", srv.URL+"/old/path", nil)
assert.Nil(t, err)
resp, err := http.DefaultTransport.RoundTrip(req)
assert.Nil(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode, "Status Code")
data, err := io.ReadAll(resp.Body)
assert.Nil(t, err)
assert.Equal(t, "/foobar/new/path", string(data))
})
}
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