Files
gluetun/internal/healthcheck/checker_test.go
T
Quentin McGaw 4a78989d9d chore: do not use sentinel errors when unneeded
- main reason being it's a burden to always define sentinel errors at global scope, wrap them with `%w` instead of using a string directly
- only use sentinel errors when it has to be checked using `errors.Is`
- replace all usage of these sentinel errors in `fmt.Errorf` with direct strings that were in the sentinel error
- exclude the sentinel error definition requirement from .golangci.yml
- update unit tests to use ContainersError instead of ErrorIs so it stays as a "not a change detector test" without requiring a sentinel error
2026-05-02 03:29:46 +00:00

101 lines
2.1 KiB
Go

package healthcheck
import (
"context"
"net"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func Test_Checker_fullcheck(t *testing.T) {
t.Parallel()
t.Run("canceled real dialer", func(t *testing.T) {
t.Parallel()
dialer := &net.Dialer{}
addresses := []string{"badaddress:9876", "cloudflare.com:443", "google.com:443"}
checker := &Checker{
dialer: dialer,
tlsDialAddrs: addresses,
}
canceledCtx, cancel := context.WithCancel(context.Background())
cancel()
err := checker.fullPeriodicCheck(canceledCtx)
require.Error(t, err)
assert.EqualError(t, err, "TCP+TLS dial: context canceled")
})
t.Run("dial localhost:0", func(t *testing.T) {
t.Parallel()
const timeout = 100 * time.Millisecond
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
listenConfig := &net.ListenConfig{}
listener, err := listenConfig.Listen(ctx, "tcp4", "localhost:0")
require.NoError(t, err)
t.Cleanup(func() {
err = listener.Close()
assert.NoError(t, err)
})
listeningAddress := listener.Addr()
dialer := &net.Dialer{}
checker := &Checker{
dialer: dialer,
tlsDialAddrs: []string{listeningAddress.String()},
}
err = checker.fullPeriodicCheck(ctx)
assert.NoError(t, err)
})
}
func Test_makeAddressToDial(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
address string
addressToDial string
errMessage string
}{
"host without port": {
address: "test.com",
addressToDial: "test.com:443",
},
"host with port": {
address: "test.com:80",
addressToDial: "test.com:80",
},
"bad address": {
address: "test.com::",
errMessage: "splitting host and port from address: address test.com::: too many colons in address",
},
}
for name, testCase := range testCases {
t.Run(name, func(t *testing.T) {
t.Parallel()
addressToDial, err := makeAddressToDial(testCase.address)
assert.Equal(t, testCase.addressToDial, addressToDial)
if testCase.errMessage != "" {
assert.EqualError(t, err, testCase.errMessage)
} else {
assert.NoError(t, err)
}
})
}
}