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echo/response_test.go

111 lines
2.4 KiB
Go

// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: © 2015 LabStack LLC and Echo contributors
package echo
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
)
func TestResponse(t *testing.T) {
e := New()
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
res := &Response{echo: e, Writer: rec}
// Before
res.Before(func() {
c.Response().Header().Set(HeaderServer, "echo")
})
// After
res.After(func() {
c.Response().Header().Set(HeaderXFrameOptions, "DENY")
})
res.Write([]byte("test"))
assert.Equal(t, "echo", rec.Header().Get(HeaderServer))
assert.Equal(t, "DENY", rec.Header().Get(HeaderXFrameOptions))
}
func TestResponse_Write_FallsBackToDefaultStatus(t *testing.T) {
e := New()
rec := httptest.NewRecorder()
res := &Response{echo: e, Writer: rec}
res.Write([]byte("test"))
assert.Equal(t, http.StatusOK, rec.Code)
}
func TestResponse_Write_UsesSetResponseCode(t *testing.T) {
e := New()
rec := httptest.NewRecorder()
res := &Response{echo: e, Writer: rec}
res.Status = http.StatusBadRequest
res.Write([]byte("test"))
assert.Equal(t, http.StatusBadRequest, rec.Code)
}
func TestResponse_Flush(t *testing.T) {
e := New()
rec := httptest.NewRecorder()
res := &Response{echo: e, Writer: rec}
res.Write([]byte("test"))
res.Flush()
assert.True(t, rec.Flushed)
}
type testResponseWriter struct {
}
func (w *testResponseWriter) WriteHeader(statusCode int) {
}
func (w *testResponseWriter) Write([]byte) (int, error) {
return 0, nil
}
func (w *testResponseWriter) Header() http.Header {
return nil
}
func TestResponse_FlushPanics(t *testing.T) {
e := New()
rw := new(testResponseWriter)
res := &Response{echo: e, Writer: rw}
// we test that we behave as before unwrapping flushers - flushing writer that does not support it causes panic
assert.PanicsWithError(t, "response writer flushing is not supported", func() {
res.Flush()
})
}
func TestResponse_ChangeStatusCodeBeforeWrite(t *testing.T) {
e := New()
rec := httptest.NewRecorder()
res := &Response{echo: e, Writer: rec}
res.Before(func() {
if 200 < res.Status && res.Status < 300 {
res.Status = 200
}
})
res.WriteHeader(209)
assert.Equal(t, http.StatusOK, rec.Code)
}
func TestResponse_Unwrap(t *testing.T) {
e := New()
rec := httptest.NewRecorder()
res := &Response{echo: e, Writer: rec}
assert.Equal(t, rec, res.Unwrap())
}