Create a basic transport

.gometalinter.json

@@ -0,0 +1,26 @@
+{
+	"Disable": [
+		"dupl",
+		"golint",
+		"gocyclo"
+	],
+	"Enable": [
+		"structcheck",
+		"maligned",
+		"deadcode",
+		"ineffassign",
+		"gotype",
+		"goimports",
+		"errcheck",
+		"varcheck",
+		"interfacer",
+		"goconst",
+		"unparam",
+		"megacheck",
+		"misspell",
+		"gas",
+		"safesql"
+	],
+	"LineLength": 120,
+	"Vendor": true
+}

transport.go

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+package oaichecker
+
+import "net/http"
+
+type Transport struct {
+	Transport http.RoundTripper
+}
+
+func NewTransport() *Transport {
+	return &Transport{
+		Transport: http.DefaultTransport,
+	}
+}
+
+func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
+	res, err := t.Transport.RoundTrip(req)
+
+	return res, err
+}

transport_test.go

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+package oaichecker
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func resBody(t *testing.T, res *http.Response) string {
+	body, err := ioutil.ReadAll(res.Body)
+	require.NoError(t, err)
+
+	return string(body)
+}
+
+func newServer(handlerFunc func(http.ResponseWriter, *http.Request)) *httptest.Server {
+	return httptest.NewServer(http.HandlerFunc(handlerFunc))
+}
+
+func Test_Transport_implements_RoundTripper(t *testing.T) {
+	assert.Implements(t, (*http.RoundTripper)(nil), NewTransport())
+}
+
+func Test_Transport_emit_the_request(t *testing.T) {
+	ts := newServer(func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte("some-response"))
+	})
+	defer ts.Close()
+
+	client := http.Client{
+		Transport: NewTransport(),
+	}
+
+	res, err := client.Get(ts.URL)
+
+	assert.NoError(t, err)
+	assert.Equal(t, "some-response", resBody(t, res))
+}