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// Copyright 2025 OpenPubkey
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package providers
import (
"fmt"
"net"
"net/url"
"testing"
"github.com/stretchr/testify/require"
)
func TestFindAvailablePort(t *testing.T) {
redirects := []string{
"http://localhost:21111/login-callback",
"http://localhost:21012/login-callback",
"http://localhost:30125/login-callback",
}
testCases := []struct {
name string
expRedirectURI string
expError string
portsToBlock int
}{
{name: "Happy case", expRedirectURI: "http://localhost:21111/login-callback",
expError: "", portsToBlock: 0},
{name: "Happy case: first port in use", expRedirectURI: "http://localhost:21012/login-callback",
expError: "", portsToBlock: 1},
{name: "Happy case: first and second port in use", expRedirectURI: "http://localhost:30125/login-callback",
expError: "", portsToBlock: 2},
{name: "Check error when all ports in use", expRedirectURI: "",
expError: "failed to start a listener for the callback", portsToBlock: len(redirects)},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
blockedPorts := []net.Listener{}
// Simulate the case where a port is in use and the provider has to use a different redirect URI
for i := 0; i < tc.portsToBlock; i++ {
parsedUrl, err := url.Parse(redirects[i])
require.NoError(t, err)
lnStr := fmt.Sprintf("localhost:%s", parsedUrl.Port())
ln, err := net.Listen("tcp", lnStr)
require.NoError(t, err)
blockedPorts = append(blockedPorts, ln)
}
foundURI, ln, err := FindAvailablePort(redirects)
if tc.expError != "" {
require.Error(t, err)
require.ErrorContains(t, err, tc.expError)
require.Nil(t, ln)
require.Nil(t, foundURI)
} else {
require.NoError(t, err)
require.Equal(t, tc.expRedirectURI, foundURI.String())
require.NotNil(t, ln)
err = ln.Close()
require.NoError(t, err)
}
for _, lis := range blockedPorts {
err := lis.Close()
require.NoError(t, err)
}
})
}
}
func TestConfigCookieHandler(t *testing.T) {
cookieHandler, err := configCookieHandler()
require.NoError(t, err)
require.NotNil(t, cookieHandler)
}
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