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