145 lines
2.8 KiB
Go
145 lines
2.8 KiB
Go
package healthfile_test
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import (
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"context"
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"errors"
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"path"
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"sync"
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"testing"
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"time"
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"gitea.dwysokinski.me/twhelp/corev3/internal/health"
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"gitea.dwysokinski.me/twhelp/corev3/internal/health/healthfile"
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"gitea.dwysokinski.me/twhelp/corev3/internal/health/healthtest"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestLiveObserver(t *testing.T) {
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t.Parallel()
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testObserver(t, func(t *testing.T) *healthfile.Observer {
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t.Helper()
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h := health.New(
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health.WithLiveCheck(healthtest.Checker{Nam: "test"}),
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health.WithLiveCheck(healthtest.Checker{Nam: "test2"}),
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)
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dir := t.TempDir()
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livePath := path.Join(dir, "live")
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o := healthfile.LiveObserver(h, livePath)
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t.Cleanup(func() {
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_ = o.Close()
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})
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return o
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})
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}
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func TestReadyObserver(t *testing.T) {
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t.Parallel()
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testObserver(t, func(t *testing.T) *healthfile.Observer {
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t.Helper()
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h := health.New(
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health.WithReadyCheck(healthtest.Checker{Nam: "test"}),
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health.WithReadyCheck(healthtest.Checker{Nam: "test2"}),
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)
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dir := t.TempDir()
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readyPath := path.Join(dir, "ready")
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o := healthfile.ReadyObserver(h, readyPath)
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t.Cleanup(func() {
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_ = o.Close()
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})
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return o
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})
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}
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func testObserver(t *testing.T, newObserver func(t *testing.T) *healthfile.Observer) {
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t.Helper()
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t.Run("standard run/close path", func(t *testing.T) {
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t.Parallel()
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o := newObserver(t)
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observerStopped := make(chan struct{})
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go func() {
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defer close(observerStopped)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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_ = o.Run(ctx)
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}()
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assert.EventuallyWithT(t, func(collect *assert.CollectT) {
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assert.FileExists(collect, o.Path())
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}, time.Second, 10*time.Millisecond)
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require.NoError(t, o.Close())
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select {
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case <-observerStopped:
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// OK
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default:
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assert.Fail(t, "Run goroutine not stopped")
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}
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})
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t.Run("observer respects ctx.Done", func(t *testing.T) {
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t.Parallel()
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o := newObserver(t)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Millisecond)
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defer cancel()
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require.ErrorIs(t, o.Run(ctx), context.DeadlineExceeded)
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})
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t.Run("run can only be called once", func(t *testing.T) {
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t.Parallel()
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expectedErrs := 2
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o := newObserver(t)
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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var wg sync.WaitGroup
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errCh := make(chan error)
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for i := 1; i <= 1+expectedErrs; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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errCh <- o.Run(ctx)
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}()
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}
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go func() {
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wg.Wait()
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close(errCh)
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}()
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var cnt int
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for err := range errCh {
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if errors.Is(err, healthfile.ErrAlreadyRunning) {
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cnt++
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}
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if cnt == expectedErrs {
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require.NoError(t, o.Close())
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}
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}
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assert.Equal(t, expectedErrs, cnt)
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})
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}
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