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cors_filter_test.go
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cors_filter_test.go
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package restful
import (
"net/http"
"net/http/httptest"
"testing"
)
// go test -v -test.run TestCORSFilter_Preflight ...restful
// http://www.html5rocks.com/en/tutorials/cors/#toc-handling-a-not-so-simple-request
func TestCORSFilter_Preflight(t *testing.T) {
tearDown()
ws := new(WebService)
ws.Route(ws.PUT("/cors").To(dummy))
Add(ws)
cors := CrossOriginResourceSharing{
ExposeHeaders: []string{"X-Custom-Header"},
AllowedHeaders: []string{"X-Custom-Header", "X-Additional-Header"},
CookiesAllowed: true,
Container: DefaultContainer}
Filter(cors.Filter)
// Preflight
httpRequest, _ := http.NewRequest("OPTIONS", "http://api.alice.com/cors", nil)
httpRequest.Method = "OPTIONS"
httpRequest.Header.Set(HEADER_Origin, "http://api.bob.com")
httpRequest.Header.Set(HEADER_AccessControlRequestMethod, "PUT")
httpRequest.Header.Set(HEADER_AccessControlRequestHeaders, "X-Custom-Header, X-Additional-Header")
httpWriter := httptest.NewRecorder()
DefaultContainer.Dispatch(httpWriter, httpRequest)
actual := httpWriter.Header().Get(HEADER_AccessControlAllowOrigin)
if "http://api.bob.com" != actual {
t.Fatal("expected: http://api.bob.com but got:" + actual)
}
actual = httpWriter.Header().Get(HEADER_AccessControlAllowMethods)
if "PUT" != actual {
t.Fatal("expected: PUT but got:" + actual)
}
actual = httpWriter.Header().Get(HEADER_AccessControlAllowHeaders)
if "X-Custom-Header, X-Additional-Header" != actual {
t.Fatal("expected: X-Custom-Header, X-Additional-Header but got:" + actual)
}
if !cors.isOriginAllowed("somewhere") {
t.Fatal("origin expected to be allowed")
}
cors.AllowedDomains = []string{"overthere.com"}
if cors.isOriginAllowed("somewhere") {
t.Fatal("origin [somewhere] expected NOT to be allowed")
}
if !cors.isOriginAllowed("overthere.com") {
t.Fatal("origin [overthere] expected to be allowed")
}
}
// go test -v -test.run TestCORSFilter_Actual ...restful
// http://www.html5rocks.com/en/tutorials/cors/#toc-handling-a-not-so-simple-request
func TestCORSFilter_Actual(t *testing.T) {
tearDown()
ws := new(WebService)
ws.Route(ws.PUT("/cors").To(dummy))
Add(ws)
cors := CrossOriginResourceSharing{
ExposeHeaders: []string{"X-Custom-Header"},
AllowedHeaders: []string{"X-Custom-Header", "X-Additional-Header"},
CookiesAllowed: true,
Container: DefaultContainer}
Filter(cors.Filter)
// Actual
httpRequest, _ := http.NewRequest("PUT", "http://api.alice.com/cors", nil)
httpRequest.Header.Set(HEADER_Origin, "http://api.bob.com")
httpRequest.Header.Set("X-Custom-Header", "value")
httpWriter := httptest.NewRecorder()
DefaultContainer.Dispatch(httpWriter, httpRequest)
actual := httpWriter.Header().Get(HEADER_AccessControlAllowOrigin)
if "http://api.bob.com" != actual {
t.Fatal("expected: http://api.bob.com but got:" + actual)
}
if httpWriter.Body.String() != "dummy" {
t.Fatal("expected: dummy but got:" + httpWriter.Body.String())
}
}
var allowedDomainInput = []struct {
domains []string
origin string
allowed bool
}{
{[]string{}, "http://anything.com", true},
{[]string{"example.com"}, "example.com", true},
{[]string{"example.com"}, "not-allowed", false},
{[]string{"not-matching.com", "example.com"}, "example.com", true},
{[]string{".*"}, "example.com", true},
}
// go test -v -test.run TestCORSFilter_AllowedDomains ...restful
func TestCORSFilter_AllowedDomains(t *testing.T) {
for _, each := range allowedDomainInput {
tearDown()
ws := new(WebService)
ws.Route(ws.PUT("/cors").To(dummy))
Add(ws)
cors := CrossOriginResourceSharing{
AllowedDomains: each.domains,
CookiesAllowed: true,
Container: DefaultContainer}
Filter(cors.Filter)
httpRequest, _ := http.NewRequest("PUT", "http://api.his.com/cors", nil)
httpRequest.Header.Set(HEADER_Origin, each.origin)
httpWriter := httptest.NewRecorder()
DefaultContainer.Dispatch(httpWriter, httpRequest)
actual := httpWriter.Header().Get(HEADER_AccessControlAllowOrigin)
if actual != each.origin && each.allowed {
t.Error("expected to be accepted", each)
}
if actual == each.origin && !each.allowed {
t.Error("did not expect to be accepted")
}
}
}
func TestCORSFilter_AllowedDomainFunc(t *testing.T) {
cors := CrossOriginResourceSharing{
AllowedDomains: []string{"here", "there"},
AllowedDomainFunc: func(origin string) bool {
return "where" == origin
},
}
if got, want := cors.isOriginAllowed("here"), true; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
if got, want := cors.isOriginAllowed("HERE"), true; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
if got, want := cors.isOriginAllowed("there"), true; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
if got, want := cors.isOriginAllowed("where"), true; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
if got, want := cors.isOriginAllowed("nowhere"), false; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
// just func
cors.AllowedDomains = []string{}
if got, want := cors.isOriginAllowed("here"), false; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
if got, want := cors.isOriginAllowed("where"), true; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
// empty domain
if got, want := cors.isOriginAllowed(""), false; got != want {
t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want)
}
}