chore(test): add test for auth headers

cloudflare_test.go

@@ -1,8 +1,12 @@
 package cloudflare
 
 import (
+	"fmt"
 	"net/http"
 	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 var (
@@ -29,3 +33,28 @@ func setup() {
 func teardown() {
 	server.Close()
 }
+
+func TestClient_Auth(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/ips", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "GET", r.Method, "Expected method 'GET', got %s", r.Method)
+		assert.Equal(t, "[email protected]", r.Header.Get("X-Auth-Email"))
+		assert.Equal(t, "deadbeef", r.Header.Get("X-Auth-Token"))
+		w.Header().Set("Content-Type", "application/json")
+		fmt.Fprintf(w, `{
+  "success": true,
+  "errors": [],
+  "messages": [],
+  "response": {
+    "ipv4_cidrs": ["199.27.128.0/21"],
+    "ipv6_cidrs": ["199.27.128.0/21"]
+  }
+}`)
+	})
+
+	_, err := IPs()
+
+	assert.NoError(t, err)
+}