Add further PNA test for coverage

api/handlers_e2e_test.go

@@ -2613,3 +2613,39 @@ func TestAccounts(t *testing.T) {
 	assert.Equal(t, uint64(1000000000000), (*acctA.Account.CreatedAssets)[0].Params.Total)
 	assert.Equal(t, "bogo", *(*acctA.Account.CreatedAssets)[0].Params.UnitName)
 }
+
+func TestPNAHeader(t *testing.T) {
+	db, shutdownFunc := setupIdb(t, test.MakeGenesis())
+	defer shutdownFunc()
+
+	//////////
+	// When // We preflight an endpoint with the PNA "Request" header set
+	//////////
+
+	serverCtx, serverCancel := context.WithCancel(context.Background())
+	defer serverCancel()
+	opts := defaultOpts
+	opts.EnablePrivateNetworkAccessHeader = true
+	listenAddr := "localhost:8894"
+	go Serve(serverCtx, listenAddr, db, nil, logrus.New(), opts)
+
+	waitForServer(t, listenAddr)
+
+	path := "/health"
+	client := &http.Client{}
+	req, err := http.NewRequest("OPTIONS", "http://"+listenAddr+path, nil)
+	require.NoError(t, err)
+	req.Header.Add("Access-Control-Request-Private-Network", "true")
+
+	t.Log("making HTTP request path", req.URL)
+
+	resp, err := client.Do(req)
+	require.NoError(t, err)
+
+	//////////
+	// Then // We expect the PNA "Allow" header to be set
+	//////////
+
+	require.Equal(t, resp.Header.Get("Access-Control-Allow-Private-Network"), "true")
+	defer resp.Body.Close()
+}