64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package repository
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import (
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"bytes"
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"io"
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"net"
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"net/http"
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"net/http/httptest"
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"sync"
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"testing"
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)
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type roundTripFunc func(*http.Request) (*http.Response, error)
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func (f roundTripFunc) RoundTrip(r *http.Request) (*http.Response, error) { return f(r) }
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// newInProcessTransport adapts an http.HandlerFunc into an http.RoundTripper without opening sockets.
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// It captures the request body (if any) and then rewinds it before invoking the handler.
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func newInProcessTransport(handler http.HandlerFunc, capture func(r *http.Request, body []byte)) http.RoundTripper {
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return roundTripFunc(func(r *http.Request) (*http.Response, error) {
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var body []byte
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if r.Body != nil {
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body, _ = io.ReadAll(r.Body)
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_ = r.Body.Close()
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r.Body = io.NopCloser(bytes.NewReader(body))
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}
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if capture != nil {
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capture(r, body)
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}
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rec := httptest.NewRecorder()
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handler(rec, r)
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return rec.Result(), nil
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})
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}
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var (
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canListenOnce sync.Once
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canListen bool
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canListenErr error
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)
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func localListenerAvailable() bool {
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canListenOnce.Do(func() {
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ln, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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canListenErr = err
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canListen = false
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return
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}
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_ = ln.Close()
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canListen = true
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})
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return canListen
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}
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func newLocalTestServer(tb testing.TB, handler http.Handler) *httptest.Server {
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tb.Helper()
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if !localListenerAvailable() {
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tb.Skipf("local listeners are not permitted in this environment: %v", canListenErr)
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}
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return httptest.NewServer(handler)
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}
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