test: add test for Track ToHTTPResponse (#102)

cassette/track/track.go

@@ -101,7 +101,7 @@ func (trk *Track) toHTTPRequest() *http.Request {
 		ProtoMinor:       trk.Request.ProtoMinor,
 		Header:           trk.Request.Header,
 		Body:             bodyReadCloser,
-		ContentLength:    int64(len(trk.Request.Body)),
+		ContentLength:    trk.Request.ContentLength,
 		TransferEncoding: trk.Request.TransferEncoding,
 		Close:            trk.Request.Close,
 		Host:             trk.Request.Host,

cassette/track/track_test.go

@@ -0,0 +1,165 @@
+package track_test
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"io"
+	"math/big"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/seborama/govcr/v12/cassette/track"
+)
+
+func TestTrack_ToHTTPResponse(t *testing.T) {
+	trk := track.Track{
+		Request: track.Request{
+			Method: http.MethodConnect,
+			URL: &url.URL{
+				Scheme:      "req_url_scheme",
+				Opaque:      "req_url_opaque",
+				User:        url.UserPassword("req_url_user", "req_url_passw"),
+				Host:        "req_url_host",
+				Path:        "req_url_path",
+				RawPath:     "req_url_rawpath",
+				ForceQuery:  true,
+				RawQuery:    "req_url_rawquery",
+				Fragment:    "req_url_fragment",
+				RawFragment: "req_url_rawfragment",
+			},
+			Proto:            "req_proto",
+			ProtoMajor:       17,
+			ProtoMinor:       32,
+			Header:           http.Header{"req header": {"req header value"}},
+			Body:             []byte("req body"),
+			ContentLength:    273,
+			TransferEncoding: []string{"req_tsfencoding"},
+			Close:            true,
+			Host:             "req_host",
+			Form: map[string][]string{
+				"req_fo1": {"req_fov11", "req_fov22"},
+			},
+			PostForm: map[string][]string{
+				"req_pofo1": {"req_pofov11", "req_pofov22"},
+			},
+			MultipartForm: &multipart.Form{
+				Value: map[string][]string{
+					"req_mupafova1": {"req_mupafovava11", "req_mupafovava22"},
+				},
+				File: map[string][]*multipart.FileHeader{
+					"req_mupafofi1": {{
+						Filename: "req_mupafofifi1",
+						Header: map[string][]string{
+							"req_mupafofihe1": {"req_mupafofiheva11", "req_mupafofiheva22"},
+						},
+						Size: 4974,
+					}},
+				},
+			},
+			Trailer: map[string][]string{
+				"tr1": {"trva11", "trva22"},
+			},
+			RemoteAddr: "req_remoteaddr",
+			RequestURI: "req_requri",
+		},
+		Response: &track.Response{
+			Status:           "resp status",
+			StatusCode:       56,
+			Proto:            "resp proto",
+			ProtoMajor:       28,
+			ProtoMinor:       85,
+			Header:           http.Header{"resp header": {"resp header value"}},
+			Body:             []byte("resp body"),
+			ContentLength:    826,
+			TransferEncoding: []string{"resp tsf_encoding"},
+			Trailer: map[string][]string{
+				"resptr1": {"resptrva11", "resptrva22"},
+			},
+			TLS:     &tls.ConnectionState{PeerCertificates: []*x509.Certificate{{SerialNumber: big.NewInt(1234)}}},
+			Request: nil,
+		},
+	}
+
+	httpResp := trk.ToHTTPResponse()
+
+	respBody, err := io.ReadAll(httpResp.Body)
+	require.NoError(t, err)
+	httpResp.Body.Close()
+
+	assert.Equal(t, []byte("resp body"), respBody)
+	httpResp.Body = nil // now we've asserted the body, clear it for the next steps to succeed
+
+	expectedhttpResp := http.Response{
+		Status:           "resp status",
+		StatusCode:       56,
+		Proto:            "resp proto",
+		ProtoMajor:       28,
+		ProtoMinor:       85,
+		Header:           http.Header{"resp header": {"resp header value"}},
+		Body:             nil, // we assert Body separately because it's an io.Reader
+		ContentLength:    826,
+		TransferEncoding: []string{"resp tsf_encoding"},
+		Close:            false,
+		Uncompressed:     false,
+		Trailer: map[string][]string{
+			"resptr1": {"resptrva11", "resptrva22"},
+		},
+		Request: &http.Request{
+			Method: http.MethodConnect,
+			URL: &url.URL{
+				Scheme:      "req_url_scheme",
+				Opaque:      "req_url_opaque",
+				User:        url.UserPassword("req_url_user", "req_url_passw"),
+				Host:        "req_url_host",
+				Path:        "req_url_path",
+				RawPath:     "req_url_rawpath",
+				ForceQuery:  true,
+				RawQuery:    "req_url_rawquery",
+				Fragment:    "req_url_fragment",
+				RawFragment: "req_url_rawfragment",
+			},
+			Proto:            "req_proto",
+			ProtoMajor:       17,
+			ProtoMinor:       32,
+			Header:           http.Header{"req header": {"req header value"}},
+			Body:             nil, // as per http.Response.Request comment in Go sources
+			ContentLength:    273,
+			TransferEncoding: []string{"req_tsfencoding"},
+			Close:            true,
+			Host:             "req_host",
+			Form: map[string][]string{
+				"req_fo1": {"req_fov11", "req_fov22"},
+			},
+			PostForm: map[string][]string{
+				"req_pofo1": {"req_pofov11", "req_pofov22"},
+			},
+			MultipartForm: &multipart.Form{
+				Value: map[string][]string{
+					"req_mupafova1": {"req_mupafovava11", "req_mupafovava22"},
+				},
+				File: map[string][]*multipart.FileHeader{
+					"req_mupafofi1": {{
+						Filename: "req_mupafofifi1",
+						Header: map[string][]string{
+							"req_mupafofihe1": {"req_mupafofiheva11", "req_mupafofiheva22"},
+						},
+						Size: 4974,
+					}},
+				},
+			},
+			Trailer: map[string][]string{
+				"tr1": {"trva11", "trva22"},
+			},
+			RemoteAddr: "req_remoteaddr",
+			RequestURI: "req_requri",
+		},
+		TLS: &tls.ConnectionState{PeerCertificates: []*x509.Certificate{{SerialNumber: big.NewInt(1234)}}},
+	}
+
+	assert.Equal(t, &expectedhttpResp, httpResp)
+}