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package http
import (
"bytes"
"errors"
"net/http"
"testing"
"github.com/spiral/roadrunner/v2/pkg/payload"
httpPlugin "github.com/spiral/roadrunner/v2/plugins/http"
"github.com/stretchr/testify/assert"
)
type testWriter struct {
h http.Header
buf bytes.Buffer
wroteHeader bool
code int
err error
pushErr error
pushes []string
}
func (tw *testWriter) Header() http.Header { return tw.h }
func (tw *testWriter) Write(p []byte) (int, error) {
if !tw.wroteHeader {
tw.WriteHeader(http.StatusOK)
}
n, e := tw.buf.Write(p)
if e == nil {
e = tw.err
}
return n, e
}
func (tw *testWriter) WriteHeader(code int) { tw.wroteHeader = true; tw.code = code }
func (tw *testWriter) Push(target string, opts *http.PushOptions) error {
tw.pushes = append(tw.pushes, target)
return tw.pushErr
}
func TestNewResponse_Error(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{Context: []byte(`invalid payload`)})
assert.Error(t, err)
assert.Nil(t, r)
}
func TestNewResponse_Write(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(`{"headers":{"key":["value"]},"status": 301}`),
Body: []byte(`sample body`),
})
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string))}
assert.NoError(t, r.Write(w))
assert.Equal(t, 301, w.code)
assert.Equal(t, "value", w.h.Get("key"))
assert.Equal(t, "sample body", w.buf.String())
}
func TestNewResponse_Stream(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(`{"headers":{"key":["value"]},"status": 301}`),
})
// r is pointer, so, it might be nil
if r == nil {
t.Fatal("response is nil")
}
r.Body = &bytes.Buffer{}
r.Body.(*bytes.Buffer).WriteString("hello world")
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string))}
assert.NoError(t, r.Write(w))
assert.Equal(t, 301, w.code)
assert.Equal(t, "value", w.h.Get("key"))
assert.Equal(t, "hello world", w.buf.String())
}
func TestNewResponse_StreamError(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(`{"headers":{"key":["value"]},"status": 301}`),
})
// r is pointer, so, it might be nil
if r == nil {
t.Fatal("response is nil")
}
r.Body = &bytes.Buffer{}
r.Body.(*bytes.Buffer).WriteString("hello world")
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string)), err: errors.New("error")}
assert.Error(t, r.Write(w))
}
func TestWrite_HandlesPush(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(`{"headers":{"Http2-Push":["/test.js"],"content-type":["text/html"]},"status": 200}`),
})
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string))}
assert.NoError(t, r.Write(w))
assert.Nil(t, w.h["Http2-Push"])
assert.Equal(t, []string{"/test.js"}, w.pushes)
}
func TestWrite_HandlesTrailers(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(`{"headers":{"Trailer":["foo, bar", "baz"],"foo":["test"],"bar":["demo"]},"status": 200}`),
})
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string))}
assert.NoError(t, r.Write(w))
assert.Nil(t, w.h[httpPlugin.TrailerHeaderKey])
assert.Nil(t, w.h["foo"]) //nolint:staticcheck
assert.Nil(t, w.h["baz"]) //nolint:staticcheck
assert.Equal(t, "test", w.h.Get("Trailer:foo"))
assert.Equal(t, "demo", w.h.Get("Trailer:bar"))
}
func TestWrite_HandlesHandlesWhitespacesInTrailer(t *testing.T) {
r, err := httpPlugin.NewResponse(payload.Payload{
Context: []byte(
`{"headers":{"Trailer":["foo\t,bar , baz"],"foo":["a"],"bar":["b"],"baz":["c"]},"status": 200}`),
})
assert.NoError(t, err)
assert.NotNil(t, r)
w := &testWriter{h: http.Header(make(map[string][]string))}
assert.NoError(t, r.Write(w))
assert.Equal(t, "a", w.h.Get("Trailer:foo"))
assert.Equal(t, "b", w.h.Get("Trailer:bar"))
assert.Equal(t, "c", w.h.Get("Trailer:baz"))
}
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