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package trace
import (
"bufio"
"bytes"
"crypto/tls"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/vulcand/oxy/v2/testutils"
"github.com/vulcand/oxy/v2/utils"
)
func TestTraceSimple(t *testing.T) {
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Length", "5")
_, _ = w.Write([]byte("hello"))
})
trace := &bytes.Buffer{}
tr, err := New(handler, trace)
require.NoError(t, err)
srv := httptest.NewServer(tr)
t.Cleanup(srv.Close)
re, _, err := testutils.MakeRequest(srv.URL+"/hello", testutils.Method(http.MethodPost), testutils.Body("123456"))
require.NoError(t, err)
assert.Equal(t, http.StatusOK, re.StatusCode)
var r *Record
require.NoError(t, json.Unmarshal(trace.Bytes(), &r))
assert.Equal(t, http.MethodPost, r.Request.Method)
assert.Equal(t, "/hello", r.Request.URL)
assert.Equal(t, http.StatusOK, r.Response.Code)
assert.EqualValues(t, 6, r.Request.BodyBytes)
assert.NotEqual(t, float64(0), r.Response.Roundtrip)
assert.EqualValues(t, 5, r.Response.BodyBytes)
}
func TestTraceCaptureHeaders(t *testing.T) {
respHeaders := http.Header{
"X-Re-1": []string{"6", "7"},
"X-Re-2": []string{"2", "3"},
}
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
utils.CopyHeaders(w.Header(), respHeaders)
_, _ = w.Write([]byte("hello"))
})
trace := &bytes.Buffer{}
tr, err := New(handler, trace, RequestHeaders("X-Req-B", "X-Req-A"), ResponseHeaders("X-Re-1", "X-Re-2"))
require.NoError(t, err)
srv := httptest.NewServer(tr)
t.Cleanup(srv.Close)
reqHeaders := http.Header{"X-Req-A": []string{"1", "2"}, "X-Req-B": []string{"3", "4"}}
re, _, err := testutils.Get(srv.URL+"/hello", testutils.Headers(reqHeaders))
require.NoError(t, err)
assert.Equal(t, http.StatusOK, re.StatusCode)
var r *Record
require.NoError(t, json.Unmarshal(trace.Bytes(), &r))
assert.Equal(t, reqHeaders, r.Request.Headers)
assert.Equal(t, respHeaders, r.Response.Headers)
}
func TestTraceTLS(t *testing.T) {
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
_, _ = w.Write([]byte("hello"))
})
trace := &bytes.Buffer{}
tr, err := New(handler, trace)
require.NoError(t, err)
srv := httptest.NewUnstartedServer(tr)
srv.StartTLS()
t.Cleanup(srv.Close)
config := &tls.Config{
InsecureSkipVerify: true,
}
u, err := url.Parse(srv.URL)
require.NoError(t, err)
conn, err := tls.Dial("tcp", u.Host, config)
require.NoError(t, err)
_, _ = fmt.Fprint(conn, "GET / HTTP/1.0\r\n\r\n")
status, err := bufio.NewReader(conn).ReadString('\n')
require.NoError(t, err)
assert.Equal(t, "HTTP/1.0 200 OK\r\n", status)
state := conn.ConnectionState()
_ = conn.Close()
var r *Record
require.NoError(t, json.Unmarshal(trace.Bytes(), &r))
assert.Equal(t, versionToString(state.Version), r.Request.TLS.Version)
}
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