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middleware.go
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middleware.go
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package http
import (
"context"
"github.com/google/uuid"
"net/http/httptest"
"testing"
cloudevents "github.com/cloudevents/sdk-go"
cehttp "github.com/cloudevents/sdk-go/pkg/cloudevents/transport/http"
)
func ClientMiddleware(t *testing.T, tc TapTest, topts ...cehttp.Option) {
tap := NewTap()
server := httptest.NewServer(tap)
defer server.Close()
if len(topts) == 0 {
topts = append(topts, cloudevents.WithBinaryEncoding())
}
topts = append(topts, cloudevents.WithTarget(server.URL))
topts = append(topts, cloudevents.WithPort(0)) // random port
transport, err := cloudevents.NewHTTPTransport(
topts...,
)
if err != nil {
t.Fatal(err)
}
tap.handler = transport
ce, err := cloudevents.NewClient(
transport,
cloudevents.WithEventDefaulter(AlwaysThen(tc.now)),
cloudevents.WithoutTracePropagation(),
)
if err != nil {
t.Fatal(err)
}
testID := uuid.New().String()
ctx := cloudevents.ContextWithHeader(context.Background(), unitTestIDKey, testID)
recvCtx, recvCancel := context.WithCancel(context.Background())
go func() {
if err := ce.StartReceiver(recvCtx, func(event cloudevents.Event, resp *cloudevents.EventResponse) {
resp.RespondWith(200, &event)
}); err != nil {
t.Log(err)
}
}()
_, got, err := ce.Send(ctx, *tc.event)
if err != nil {
t.Fatal(err)
}
recvCancel()
assertEventEquality(t, "response event", tc.want, got)
if req, ok := tap.req[testID]; ok {
assertTappedEquality(t, "http request", tc.asSent, &req)
}
if resp, ok := tap.resp[testID]; ok {
assertTappedEquality(t, "http response", tc.asRecv, &resp)
}
}