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package martiantest
import (
"errors"
"net/http"
"testing"
"github.com/google/martian/proxyutil"
)
func TestTransport(t *testing.T) {
req, err := http.NewRequest("GET", "http://example.com", nil)
if err != nil {
t.Fatalf("http.NewRequest(): got %v, want no error", err)
}
tr := NewTransport()
res, err := tr.RoundTrip(req)
if err != nil {
t.Fatalf("tr.Roundtrip(): got %v, want no error", err)
}
res.Body.Close()
if got, want := res.StatusCode, 200; got != want {
t.Errorf("res.StatusCode: got %d, want %d", got, want)
}
// Respond with 301 response.
tr.Respond(301)
res, err = tr.RoundTrip(req)
if err != nil {
t.Fatalf("tr.Roundtrip(): got %v, want no error", err)
}
res.Body.Close()
if got, want := res.StatusCode, 301; got != want {
t.Errorf("res.StatusCode: got %d, want %d", got, want)
}
// Respond with error.
trerr := errors.New("transport error")
tr.RespondError(trerr)
if _, err := tr.RoundTrip(req); err != trerr {
t.Fatalf("tr.Roundtrip(): got %v, want %v", err, trerr)
}
// Copy headers from request to response.
req.Header.Set("First-Header", "first")
req.Header.Set("Second-Header", "second")
tr.CopyHeaders("First-Header", "Second-Header")
res, err = tr.RoundTrip(req)
if err != nil {
t.Fatalf("tr.Roundtrip(): got %v, want no error", err)
}
res.Body.Close()
if got, want := res.StatusCode, 200; got != want {
t.Errorf("res.StatusCode: got %d, want %d", got, want)
}
if got, want := res.Header.Get("First-Header"), "first"; got != want {
t.Errorf("res.Header.Get(%q): got %q, want %q", "First-Header", got, want)
}
if got, want := res.Header.Get("Second-Header"), "second"; got != want {
t.Errorf("res.Header.Get(%q): got %q, want %q", "Second-Header", got, want)
}
// Custom round trip function.
tr.Func(func(req *http.Request) (*http.Response, error) {
res := proxyutil.NewResponse(200, nil, req)
res.Header.Set("Request-Method", req.Method)
return res, nil
})
res, err = tr.RoundTrip(req)
if err != nil {
t.Fatalf("tr.Roundtrip(): got %v, want no error", err)
}
res.Body.Close()
if got, want := res.StatusCode, 200; got != want {
t.Errorf("res.StatusCode: got %d, want %d", got, want)
}
if got, want := res.Header.Get("Request-Method"), "GET"; got != want {
t.Errorf("res.Header.Get(%q): got %q, want %q", "Request-Method", got, want)
}
}
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