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	Let's have a consistent library for regexp. Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
		
			
				
	
	
		
			66 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2016 The Prometheus Authors
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| // http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package httputil
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| 
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| import (
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| 	"net/http"
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| 	"testing"
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| 
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| 	"github.com/grafana/regexp"
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| 	"github.com/stretchr/testify/require"
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| )
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| 
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| func getCORSHandlerFunc() http.Handler {
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| 	hf := func(w http.ResponseWriter, r *http.Request) {
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| 		reg := regexp.MustCompile(`^https://foo\.com$`)
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| 		SetCORS(w, reg, r)
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| 		w.WriteHeader(http.StatusOK)
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| 	}
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| 	return http.HandlerFunc(hf)
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| }
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| 
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| func TestCORSHandler(t *testing.T) {
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| 	tearDown := setup()
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| 	defer tearDown()
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| 	client := &http.Client{}
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| 
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| 	ch := getCORSHandlerFunc()
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| 	mux.Handle("/any_path", ch)
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| 
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| 	dummyOrigin := "https://foo.com"
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| 
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| 	// OPTIONS with legit origin
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| 	req, err := http.NewRequest("OPTIONS", server.URL+"/any_path", nil)
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| 	require.NoError(t, err, "could not create request")
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| 
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| 	req.Header.Set("Origin", dummyOrigin)
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| 	resp, err := client.Do(req)
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| 	require.NoError(t, err, "client get failed with unexpected error")
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| 
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| 	AccessControlAllowOrigin := resp.Header.Get("Access-Control-Allow-Origin")
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| 
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| 	require.Equal(t, dummyOrigin, AccessControlAllowOrigin, "expected Access-Control-Allow-Origin header")
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| 
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| 	// OPTIONS with bad origin
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| 	req, err = http.NewRequest("OPTIONS", server.URL+"/any_path", nil)
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| 	require.NoError(t, err, "could not create request")
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| 
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| 	req.Header.Set("Origin", "https://not-foo.com")
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| 	resp, err = client.Do(req)
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| 	require.NoError(t, err, "client get failed with unexpected error")
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| 
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| 	AccessControlAllowOrigin = resp.Header.Get("Access-Control-Allow-Origin")
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| 	require.Empty(t, AccessControlAllowOrigin, "Access-Control-Allow-Origin header should not exist but it was set")
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| }
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