MiFaZhan
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package token
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import (
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"context"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/model"
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)
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func TestTokenManagersShareRefreshFlightByChannel(t *testing.T) {
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ctx := context.Background()
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chanKey := "shared-flight-" + time.Now().Format("150405.000000000")
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var fetchCalls atomic.Int32
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var persistCalls atomic.Int32
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start := make(chan struct{})
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release := make(chan struct{})
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fetcher := TokenFetcherFunc(func(context.Context, string) (OneLinkToken, error) {
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fetchCalls.Add(1)
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close(start)
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<-release
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return OneLinkToken{Value: "fresh-token", CreatedAt: time.Now(), ExpiresAt: time.Now().Add(time.Hour)}, nil
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})
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persister := TokenPersisterFunc(func(context.Context, *model.UpdateAccessTokenInput) error {
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persistCalls.Add(1)
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return nil
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})
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first := NewTokenManager(fetcher, WithPersister(persister))
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second := NewTokenManager(fetcher, WithPersister(persister))
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results := make(chan OneLinkToken, 2)
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errors := make(chan error, 2)
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var wg sync.WaitGroup
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for _, manager := range []TokenManager{first, second} {
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wg.Add(1)
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go func(manager TokenManager) {
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defer wg.Done()
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token, err := manager.Get(ctx, chanKey)
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results <- token
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errors <- err
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}(manager)
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}
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<-start
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close(release)
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wg.Wait()
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close(results)
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close(errors)
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for err := range errors {
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if err != nil {
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t.Fatal(err)
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}
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}
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for token := range results {
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if token.Value != "fresh-token" {
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t.Fatalf("token = %+v", token)
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}
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}
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if fetchCalls.Load() != 1 || persistCalls.Load() != 1 {
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t.Fatalf("fetch calls=%d persist calls=%d, want one each", fetchCalls.Load(), persistCalls.Load())
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}
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}
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