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package api
import (
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/require"
)
func TestBlocker(t *testing.T) {
upstreamResponse := "hello world"
testCases := []struct {
desc string
contentType string
out string
}{
{
desc: "blocked",
contentType: ResponseContentType,
out: "Internal Server Error\n",
},
{
desc: "pass",
contentType: "text/plain",
out: upstreamResponse,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
r, err := http.NewRequest("GET", "/foo", nil)
require.NoError(t, err)
rw := httptest.NewRecorder()
bl := &blocker{rw: rw, r: r}
bl.Header().Set("Content-Type", tc.contentType)
upstreamBody := []byte(upstreamResponse)
n, err := bl.Write(upstreamBody)
require.NoError(t, err)
require.Len(t, upstreamBody, n, "bytes written")
rw.Flush()
body := rw.Result().Body
data, err := io.ReadAll(body)
require.NoError(t, err)
require.NoError(t, body.Close())
require.Equal(t, tc.out, string(data))
})
}
}
func TestBlockerFlushable(t *testing.T) {
rw := httptest.NewRecorder()
b := blocker{rw: rw}
rc := http.NewResponseController(&b) //nolint:bodyclose
err := rc.Flush()
require.NoError(t, err, "the underlying response writer is not flushable")
require.True(t, rw.Flushed)
}
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