debian-mirror-gitlab/workhorse/internal/senddata/writer_test.go

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package senddata
import (
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/stretchr/testify/require"
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"gitlab.com/gitlab-org/gitlab/workhorse/internal/headers"
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)
func TestWriter(t *testing.T) {
upstreamResponse := "hello world"
testCases := []struct {
desc string
headerValue string
out string
}{
{
desc: "inject",
headerValue: testInjecterName + ":" + testInjecterName,
out: testInjecterData,
},
{
desc: "pass",
headerValue: "",
out: upstreamResponse,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
recorder := httptest.NewRecorder()
rw := &sendDataResponseWriter{rw: recorder, injecters: []Injecter{&testInjecter{}}}
rw.Header().Set(headers.GitlabWorkhorseSendDataHeader, tc.headerValue)
n, err := rw.Write([]byte(upstreamResponse))
require.NoError(t, err)
require.Equal(t, len(upstreamResponse), n, "bytes written")
recorder.Flush()
body := recorder.Result().Body
data, err := ioutil.ReadAll(body)
require.NoError(t, err)
require.NoError(t, body.Close())
require.Equal(t, tc.out, string(data))
})
}
}
const (
testInjecterName = "test-injecter"
testInjecterData = "hello this is injected data"
)
type testInjecter struct{}
func (ti *testInjecter) Inject(w http.ResponseWriter, r *http.Request, sendData string) {
io.WriteString(w, testInjecterData)
}
func (ti *testInjecter) Match(s string) bool { return strings.HasPrefix(s, testInjecterName+":") }
func (ti *testInjecter) Name() string { return testInjecterName }