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filter_test.go
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filter_test.go
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package restful
import (
"io"
"net/http"
"net/http/httptest"
"testing"
)
func setupServices(addGlobalFilter bool, addServiceFilter bool, addRouteFilter bool) {
if addGlobalFilter {
Filter(globalFilter)
}
Add(newTestService(addServiceFilter, addRouteFilter))
}
func tearDown() {
DefaultContainer.webServices = []*WebService{}
DefaultContainer.isRegisteredOnRoot = true // this allows for setupServices multiple times
DefaultContainer.containerFilters = []FilterFunction{}
}
func newTestService(addServiceFilter bool, addRouteFilter bool) *WebService {
ws := new(WebService).Path("")
if addServiceFilter {
ws.Filter(serviceFilter)
}
rb := ws.GET("/foo").To(foo)
if addRouteFilter {
rb.Filter(routeFilter)
}
ws.Route(rb)
ws.Route(ws.GET("/bar").To(bar))
return ws
}
func foo(req *Request, resp *Response) {
io.WriteString(resp.ResponseWriter, "foo")
}
func bar(req *Request, resp *Response) {
io.WriteString(resp.ResponseWriter, "bar")
}
func fail(req *Request, resp *Response) {
http.Error(resp.ResponseWriter, "something failed", http.StatusInternalServerError)
}
func globalFilter(req *Request, resp *Response, chain *FilterChain) {
io.WriteString(resp.ResponseWriter, "global-")
chain.ProcessFilter(req, resp)
}
func serviceFilter(req *Request, resp *Response, chain *FilterChain) {
io.WriteString(resp.ResponseWriter, "service-")
chain.ProcessFilter(req, resp)
}
func routeFilter(req *Request, resp *Response, chain *FilterChain) {
io.WriteString(resp.ResponseWriter, "route-")
chain.ProcessFilter(req, resp)
}
func TestNoFilter(t *testing.T) {
tearDown()
setupServices(false, false, false)
actual := sendIt("http://example.com/foo")
if "foo" != actual {
t.Fatal("expected: foo but got:" + actual)
}
}
func TestGlobalFilter(t *testing.T) {
tearDown()
setupServices(true, false, false)
actual := sendIt("http://example.com/foo")
if "global-foo" != actual {
t.Fatal("expected: global-foo but got:" + actual)
}
}
func TestWebServiceFilter(t *testing.T) {
tearDown()
setupServices(true, true, false)
actual := sendIt("http://example.com/foo")
if "global-service-foo" != actual {
t.Fatal("expected: global-service-foo but got:" + actual)
}
}
func TestRouteFilter(t *testing.T) {
tearDown()
setupServices(true, true, true)
actual := sendIt("http://example.com/foo")
if "global-service-route-foo" != actual {
t.Fatal("expected: global-service-route-foo but got:" + actual)
}
}
func TestRouteFilterOnly(t *testing.T) {
tearDown()
setupServices(false, false, true)
actual := sendIt("http://example.com/foo")
if "route-foo" != actual {
t.Fatal("expected: route-foo but got:" + actual)
}
}
func TestBar(t *testing.T) {
tearDown()
setupServices(false, true, false)
actual := sendIt("http://example.com/bar")
if "service-bar" != actual {
t.Fatal("expected: service-bar but got:" + actual)
}
}
func TestAllFiltersBar(t *testing.T) {
tearDown()
setupServices(true, true, true)
actual := sendIt("http://example.com/bar")
if "global-service-bar" != actual {
t.Fatal("expected: global-service-bar but got:" + actual)
}
}
func sendIt(address string) string {
httpRequest, _ := http.NewRequest("GET", address, nil)
httpRequest.Header.Set("Accept", "*/*")
httpWriter := httptest.NewRecorder()
DefaultContainer.dispatch(httpWriter, httpRequest)
return httpWriter.Body.String()
}
func sendItTo(address string, container *Container) string {
httpRequest, _ := http.NewRequest("GET", address, nil)
httpRequest.Header.Set("Accept", "*/*")
httpWriter := httptest.NewRecorder()
container.dispatch(httpWriter, httpRequest)
return httpWriter.Body.String()
}