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response_test.go
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response_test.go
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package air
import (
"encoding/xml"
"errors"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"google.golang.org/protobuf/types/known/wrapperspb"
)
func TestResponseHTTPResponseWriter(t *testing.T) {
a := New()
req, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.Equal(t, a, res.Air)
assert.Equal(t, req, res.req)
assert.NotNil(t, res.hrw)
hrw := res.HTTPResponseWriter()
assert.NotNil(t, hrw)
assert.Equal(t, res.Header, hrw.Header())
}
func TestResponseSetHTTPResponseWriter(t *testing.T) {
a := New()
_, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
hrw := httptest.NewRecorder()
res.SetHTTPResponseWriter(hrw)
assert.Equal(t, hrw, res.hrw)
assert.Equal(t, hrw.Header(), res.Header)
assert.Equal(t, hrw, res.Body)
}
func TestResponseSetCookie(t *testing.T) {
a := New()
_, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
res.SetCookie(&http.Cookie{})
assert.Empty(t, res.Header.Get("Set-Cookie"))
res.SetCookie(&http.Cookie{
Name: "foo",
Value: "bar",
})
assert.Equal(t, "foo=bar", res.Header.Get("Set-Cookie"))
}
func TestResponseWrite(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.Write(nil))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Len(t, hrwrb, 0)
_, res, hrw = fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.Write(strings.NewReader("foobar")))
hrwr = hrw.Result()
hrwrb, _ = ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(t, "foobar", string(hrwrb))
_, res, hrw = fakeRRCycle(a, http.MethodHead, "/", nil)
assert.NoError(t, res.Write(nil))
assert.NoError(t, res.Write(strings.NewReader("foobar")))
hrwr = hrw.Result()
hrwrb, _ = ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Len(t, hrwrb, 0)
_, res, _ = fakeRRCycle(a, http.MethodGet, "/", nil)
assert.Error(t, res.Write(&readErrorReader{
Seeker: strings.NewReader("foobar"),
}))
assert.Error(t, res.Write(&seekErrorSeeker{
Reader: strings.NewReader("foobar"),
}))
assert.NoError(t, res.Write(strings.NewReader("foobar")))
assert.Equal(
t,
"text/plain; charset=utf-8",
res.Header.Get("Content-Type"),
)
_, res, _ = fakeRRCycle(a, http.MethodGet, "/", nil)
a.MinifierEnabled = true
res.Header.Set("Content-Type", "text/html; charset=utf-8")
assert.Error(t, res.Write(&readErrorReader{
Seeker: strings.NewReader("<!DOCTYPE html>"),
}))
res.Header.Set("Content-Type", "application/json; charset=utf-8")
assert.Error(t, res.Write(strings.NewReader("{")))
res.Header.Set("Content-Type", "text/html; charset=utf-8")
res.SetHTTPResponseWriter(&nopResponseWriter{
ResponseWriter: res.HTTPResponseWriter(),
})
assert.NoError(t, res.Write(strings.NewReader("<!DOCTYPE html>")))
a.MinifierEnabled = false
req, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
req.Header.Set("Range", "bytes 1-0")
res.Header.Set(
"Last-Modified",
time.Unix(0, 0).UTC().Format(http.TimeFormat),
)
assert.Error(t, res.Write(strings.NewReader("foobar")))
_, res, _ = fakeRRCycle(a, http.MethodGet, "/", nil)
res.Status = http.StatusInternalServerError
res.Header.Set("Content-Type", "text/plain; charset=utf-8")
assert.Error(t, res.Write(&seekEndErrorSeeker{
Reader: strings.NewReader("foobar"),
}))
assert.Error(t, res.Write(&seekStartErrorSeeker{
Reader: strings.NewReader("foobar"),
}))
assert.NoError(t, res.Write(strings.NewReader("foobar")))
_, res, _ = fakeRRCycle(a, http.MethodHead, "/", nil)
res.Status = http.StatusInternalServerError
res.Header.Set("Content-Type", "text/plain; charset=utf-8")
assert.NoError(t, res.Write(strings.NewReader("foobar")))
}
func TestResponseWriteString(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.WriteString("foobar"))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"text/plain; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "foobar", string(hrwrb))
}
func TestResponseWriteHTML(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.WriteHTML("<!DOCTYPE html>"))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"text/html; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "<!DOCTYPE html>", string(hrwrb))
}
func TestResponseWriteJSON(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
var foobar struct {
Foo string `json:"foo"`
}
foobar.Foo = "bar"
assert.Error(t, res.WriteJSON(&errorJSONMarshaler{}))
assert.NoError(t, res.WriteJSON(&foobar))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/json; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, `{"foo":"bar"}`, string(hrwrb))
_, res, hrw = fakeRRCycle(a, http.MethodGet, "/", nil)
a.DebugMode = true
assert.Error(t, res.WriteJSON(&errorJSONMarshaler{}))
assert.NoError(t, res.WriteJSON(&foobar))
hrwr = hrw.Result()
hrwrb, _ = ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/json; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "{\n\t\"foo\": \"bar\"\n}", string(hrwrb))
}
func TestResponseWriteXML(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
var foobar struct {
XMLName xml.Name `xml:"foobar"`
Foo string `xml:"foo"`
}
foobar.Foo = "bar"
assert.Error(t, res.WriteXML(&errorXMLMarshaler{}))
assert.NoError(t, res.WriteXML(&foobar))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/xml; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(
t,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"+
"<foobar><foo>bar</foo></foobar>",
string(hrwrb),
)
_, res, hrw = fakeRRCycle(a, http.MethodGet, "/", nil)
a.DebugMode = true
assert.Error(t, res.WriteXML(&errorXMLMarshaler{}))
assert.NoError(t, res.WriteXML(&foobar))
hrwr = hrw.Result()
hrwrb, _ = ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/xml; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(
t,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"+
"<foobar>\n\t<foo>bar</foo>\n</foobar>",
string(hrwrb),
)
}
func TestResponseWriteProtobuf(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.WriteProtobuf(&wrapperspb.StringValue{
Value: "foobar",
}))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/protobuf",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "\n\x06foobar", string(hrwrb))
}
func TestResponseWriteMsgpack(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
var foobar struct {
Foo string `msgpack:"foo"`
}
foobar.Foo = "bar"
assert.Error(t, res.WriteMsgpack(&errorMsgpackMarshaler{}))
assert.NoError(t, res.WriteMsgpack(&foobar))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/msgpack",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "\x81\xa3foo\xa3bar", string(hrwrb))
}
func TestResponseWriteTOML(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
var foobar struct {
Foo string `toml:"foo"`
}
foobar.Foo = "bar"
assert.Error(t, res.WriteTOML(""))
assert.NoError(t, res.WriteTOML(&foobar))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/toml; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "foo = \"bar\"\n", string(hrwrb))
}
func TestResponseWriteYAML(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
var foobar struct {
Foo string `yaml:"foo"`
}
foobar.Foo = "bar"
assert.Error(t, res.WriteYAML(&errorYAMLMarshaler{}))
assert.NoError(t, res.WriteYAML(&foobar))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"application/yaml; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, "foo: bar\n", string(hrwrb))
}
func TestResponseRender(t *testing.T) {
a := New()
dir, err := ioutil.TempDir("", "air.TestResponseRender")
assert.NoError(t, err)
assert.NotEmpty(t, dir)
defer os.RemoveAll(dir)
a.RendererTemplateRoot = dir
assert.NoError(t, ioutil.WriteFile(
filepath.Join(a.RendererTemplateRoot, "test.html"),
[]byte(`<a href="/">Go Home</a>`),
os.ModePerm,
))
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.Error(t, res.Render(nil, "foobar.html"))
assert.NoError(t, res.Render(nil, "test.html"))
hrwr := hrw.Result()
hrwrb, _ := ioutil.ReadAll(hrwr.Body)
assert.Equal(t, http.StatusOK, hrwr.StatusCode)
assert.Equal(
t,
"text/html; charset=utf-8",
hrw.HeaderMap.Get("Content-Type"),
)
assert.Equal(t, `<a href="/">Go Home</a>`, string(hrwrb))
}
func TestResponseRedihrwt(t *testing.T) {
a := New()
_, res, hrw := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.NoError(t, res.Redirect("http://example.com/foo/bar"))
hrwr := hrw.Result()
assert.Equal(t, http.StatusFound, hrwr.StatusCode)
assert.Equal(
t,
"http://example.com/foo/bar",
hrw.HeaderMap.Get("Location"),
)
}
func TestResponseDefer(t *testing.T) {
a := New()
_, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
res.Defer(nil)
assert.Len(t, res.deferredFuncs, 0)
res.Defer(func() {})
assert.Len(t, res.deferredFuncs, 1)
}
func TestResponseOmittableHeader(t *testing.T) {
a := New()
_, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.False(t, res.omittableHeader("Foobar"))
res.Header.Set("Foobar", "")
assert.False(t, res.omittableHeader("Foobar"))
res.Header.Set("Foobar", "foobar")
assert.False(t, res.omittableHeader("Foobar"))
res.Header["Foobar"] = nil
assert.True(t, res.omittableHeader("Foobar"))
assert.True(t, res.omittableHeader("FooBar"))
res.Header["Foobar"] = []string{}
assert.False(t, res.omittableHeader("Foobar"))
}
func TestResponseGzippable(t *testing.T) {
a := New()
req, res, _ := fakeRRCycle(a, http.MethodGet, "/", nil)
assert.False(t, res.gzippable())
req.Header.Set("Accept-Encoding", "gzip")
assert.True(t, res.gzippable())
req.Header.Set("Accept-Encoding", "br")
assert.False(t, res.gzippable())
req.Header.Set("Accept-Encoding", "gzip, br")
assert.True(t, res.gzippable())
req.Header.Set("Accept-Encoding", "br, gzip")
assert.True(t, res.gzippable())
req.Header.Set("Accept-Encoding", "br;q=1.0, gzip;q=0.8, *;q=0.1")
assert.True(t, res.gzippable())
}
func TestNewReverseProxyBufferPool(t *testing.T) {
assert.NotNil(t, newReverseProxyBufferPool())
}
func TestReverseProxyBufferPoolGet(t *testing.T) {
rpbp := newReverseProxyBufferPool()
assert.Len(t, rpbp.Get(), 32<<20)
}
func TestReverseProxyBufferPoolPut(t *testing.T) {
rpbp := newReverseProxyBufferPool()
rpbp.Put(make([]byte, 32<<20))
}
type nopResponseWriter struct {
http.ResponseWriter
}
func (nrw *nopResponseWriter) WriteHeader(int) {
}
func (nrw *nopResponseWriter) Write([]byte) (int, error) {
return 0, nil
}
type readErrorReader struct {
io.Seeker
}
func (rer *readErrorReader) Read([]byte) (int, error) {
return 0, errors.New("read error")
}
type seekErrorSeeker struct {
io.Reader
}
func (ses *seekErrorSeeker) Seek(int64, int) (int64, error) {
return 0, errors.New("seek error")
}
type seekStartErrorSeeker struct {
io.Reader
}
func (sses *seekStartErrorSeeker) Seek(_ int64, whence int) (int64, error) {
if whence == io.SeekStart {
return 0, errors.New("seek start error")
}
return 0, nil
}
type seekEndErrorSeeker struct {
io.Reader
}
func (sees *seekEndErrorSeeker) Seek(_ int64, whence int) (int64, error) {
if whence == io.SeekEnd {
return 0, errors.New("seek end error")
}
return 0, nil
}
type errorJSONMarshaler struct {
}
func (ejm *errorJSONMarshaler) MarshalJSON() ([]byte, error) {
return nil, errors.New("marshal json error")
}
type errorXMLMarshaler struct {
}
func (exm *errorXMLMarshaler) MarshalXML(*xml.Encoder, xml.StartElement) error {
return errors.New("marshal xml error")
}
type errorMsgpackMarshaler struct {
}
func (emm *errorMsgpackMarshaler) MarshalMsgpack() ([]byte, error) {
return nil, errors.New("marshal msgpack error")
}
type errorYAMLMarshaler struct {
}
func (eym *errorYAMLMarshaler) MarshalYAML() (interface{}, error) {
return nil, errors.New("marshal yaml error")
}