// extractRequestID obtains the request ID either from a goa client or middleware
func extractRequestID(ctx context.Context) string {
reqID := middleware.ContextRequestID(ctx)
if reqID == "" {
return client.ContextRequestID(ctx)
}
return reqID
}
req.Header.Set(middleware.RequestIDHeader, reqID)
rw = new(testResponseWriter)
params = url.Values{"query": []string{"value"}}
service.Encoder.Register(goa.NewJSONEncoder, "*/*")
ctx = newContext(service, rw, req, params)
})
It("sets the request ID in the context", func() {
var newCtx context.Context
h := func(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
newCtx = ctx
return service.Send(ctx, 200, "ok")
}
rg := middleware.RequestID()(h)
Ω(rg(ctx, rw, req)).ShouldNot(HaveOccurred())
Ω(middleware.ContextRequestID(newCtx)).Should(Equal(reqID))
})
It("truncates request ID when it exceeds a default limit", func() {
var newCtx context.Context
h := func(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
newCtx = ctx
return service.Send(ctx, 200, "ok")
}
tooLong := makeRequestID(2 * middleware.DefaultRequestIDLengthLimit)
expected := makeRequestID(middleware.DefaultRequestIDLengthLimit)
req.Header.Set(middleware.RequestIDHeader, tooLong)
rg := middleware.RequestID()(h)
Ω(rg(ctx, rw, req)).ShouldNot(HaveOccurred())
Ω(middleware.ContextRequestID(newCtx)).Should(Equal(expected))
})
var ctx context.Context
var rw http.ResponseWriter
var req *http.Request
var params url.Values
var service *goa.Service
BeforeEach(func() {
service = newService(nil)
var err error
req, err = http.NewRequest("GET", "/goo", nil)
Ω(err).ShouldNot(HaveOccurred())
req.Header.Set("X-Request-Id", reqID)
rw = new(testResponseWriter)
params = url.Values{"query": []string{"value"}}
service.Encoder(goa.NewJSONEncoder, "*/*")
ctx = newContext(service, rw, req, params)
})
It("sets the request ID in the context", func() {
var newCtx context.Context
h := func(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
newCtx = ctx
return service.Send(ctx, 200, "ok")
}
rg := middleware.RequestID()(h)
Ω(rg(ctx, rw, req)).ShouldNot(HaveOccurred())
Ω(middleware.ContextRequestID(newCtx)).Should(Equal(reqID))
})
})