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registry.go
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72 lines (62 loc) · 1.31 KB
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package httpmock
import (
"fmt"
"net/http"
"sync"
)
type Registry struct {
mu sync.Mutex
stubs []*Stub
Requests []*http.Request
}
func (r *Registry) Register(m Matcher, resp Responder) {
r.stubs = append(r.stubs, &Stub{
Matcher: m,
Responder: resp,
})
}
type Testing interface {
Errorf(string, ...interface{})
Helper()
}
func (r *Registry) Verify(t Testing) {
n := 0
for _, s := range r.stubs {
if !s.matched {
n++
}
}
if n > 0 {
t.Helper()
// NOTE: stubs offer no useful reflection, so we can't print details
// about dead stubs and what they were trying to match
t.Errorf("%d unmatched HTTP stubs", n)
}
}
// RoundTrip satisfies http.RoundTripper
func (r *Registry) RoundTrip(req *http.Request) (*http.Response, error) {
var stub *Stub
r.mu.Lock()
for _, s := range r.stubs {
if s.matched || !s.Matcher(req) {
continue
}
// TODO: reinstate this check once the legacy layer has been cleaned up
// if stub != nil {
// r.mu.Unlock()
// return nil, fmt.Errorf("more than 1 stub matched %v", req)
// }
stub = s
break // TODO: remove
}
if stub != nil {
stub.matched = true
}
if stub == nil {
r.mu.Unlock()
return nil, fmt.Errorf("no registered stubs matched %v", req)
}
r.Requests = append(r.Requests, req)
r.mu.Unlock()
return stub.Responder(req)
}