Files
weatherreporter/cmd/weatherreporter/main_unix_test.go

59 lines
1.2 KiB
Go

//go:build unix
package main
import (
"context"
"errors"
"io"
"os"
"syscall"
"testing"
"time"
)
func TestRunCommandCancelsActionContextOnSignal(t *testing.T) {
for _, tt := range []struct {
name string
signal os.Signal
}{
{name: "Interrupt", signal: os.Interrupt},
{name: "Terminate", signal: syscall.SIGTERM},
} {
t.Run(tt.name, func(t *testing.T) {
started := make(chan struct{})
done := make(chan error, 1)
go func() {
done <- runCommand(nil, io.Discard, io.Discard, func(ctx context.Context, _ []string, _, _ io.Writer) error {
close(started)
<-ctx.Done()
return ctx.Err()
})
}()
select {
case <-started:
case <-time.After(time.Second):
t.Fatal("runner did not receive an action context")
}
process, err := os.FindProcess(os.Getpid())
if err != nil {
t.Fatalf("FindProcess() error = %v", err)
}
if err := process.Signal(tt.signal); err != nil {
t.Fatalf("Signal(%v) error = %v", tt.signal, err)
}
select {
case err := <-done:
if !errors.Is(err, context.Canceled) {
t.Fatalf("runCommand() error = %v, want context cancellation", err)
}
case <-time.After(time.Second):
t.Fatal("interrupt did not cancel the action context")
}
})
}
}