|
| 1 | +package cache |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "runtime" |
| 6 | + "testing" |
| 7 | + "time" |
| 8 | + |
| 9 | + "github.com/benbjohnson/clock" |
| 10 | + "github.com/cschleiden/go-workflows/backend" |
| 11 | + "github.com/cschleiden/go-workflows/internal/core" |
| 12 | + "github.com/cschleiden/go-workflows/internal/history" |
| 13 | + "github.com/cschleiden/go-workflows/internal/logger" |
| 14 | + wf "github.com/cschleiden/go-workflows/internal/workflow" |
| 15 | + "github.com/cschleiden/go-workflows/workflow" |
| 16 | + "github.com/stretchr/testify/require" |
| 17 | + "go.opentelemetry.io/otel/trace" |
| 18 | +) |
| 19 | + |
| 20 | +func Test_Cache_StoreAndGet(t *testing.T) { |
| 21 | + c := NewWorkflowExecutorLRUCache(1, time.Second*10) |
| 22 | + |
| 23 | + r := wf.NewRegistry() |
| 24 | + r.RegisterWorkflow(workflowWithActivity) |
| 25 | + |
| 26 | + i := core.NewWorkflowInstance("instanceID", "executionID") |
| 27 | + e, err := wf.NewExecutor( |
| 28 | + logger.NewDefaultLogger(), trace.NewNoopTracerProvider().Tracer(backend.TracerName), r, &testHistoryProvider{}, i, clock.New()) |
| 29 | + require.NoError(t, err) |
| 30 | + |
| 31 | + i2 := core.NewWorkflowInstance("instanceID2", "executionID2") |
| 32 | + e2, err := wf.NewExecutor( |
| 33 | + logger.NewDefaultLogger(), trace.NewNoopTracerProvider().Tracer(backend.TracerName), r, &testHistoryProvider{}, i, clock.New()) |
| 34 | + require.NoError(t, err) |
| 35 | + |
| 36 | + err = c.Store(context.Background(), i, e) |
| 37 | + require.NoError(t, err) |
| 38 | + |
| 39 | + re, ok, err := c.Get(context.Background(), i) |
| 40 | + require.NoError(t, err) |
| 41 | + require.True(t, ok) |
| 42 | + require.Equal(t, e, re) |
| 43 | + |
| 44 | + // Store another executor, this should evict the first one |
| 45 | + err = c.Store(context.Background(), i2, e2) |
| 46 | + require.NoError(t, err) |
| 47 | + |
| 48 | + re, ok, err = c.Get(context.Background(), i) |
| 49 | + require.NoError(t, err) |
| 50 | + require.False(t, ok) |
| 51 | +} |
| 52 | + |
| 53 | +func Test_Cache_Evict(t *testing.T) { |
| 54 | + c := NewWorkflowExecutorLRUCache(128, |
| 55 | + 1, // Should evict immediately |
| 56 | + ) |
| 57 | + |
| 58 | + i := core.NewWorkflowInstance("instanceID", "executionID") |
| 59 | + r := wf.NewRegistry() |
| 60 | + r.RegisterWorkflow(workflowWithActivity) |
| 61 | + e, err := wf.NewExecutor( |
| 62 | + logger.NewDefaultLogger(), trace.NewNoopTracerProvider().Tracer(backend.TracerName), r, &testHistoryProvider{}, i, clock.New()) |
| 63 | + require.NoError(t, err) |
| 64 | + |
| 65 | + err = c.Store(context.Background(), i, e) |
| 66 | + require.NoError(t, err) |
| 67 | + |
| 68 | + go c.StartEviction(context.Background()) |
| 69 | + time.Sleep(1 * time.Millisecond) |
| 70 | + runtime.Gosched() |
| 71 | + |
| 72 | + e2, ok, err := c.Get(context.Background(), i) |
| 73 | + require.NoError(t, err) |
| 74 | + require.False(t, ok) |
| 75 | + require.Nil(t, e2) |
| 76 | +} |
| 77 | + |
| 78 | +func workflowWithActivity(ctx workflow.Context) (int, error) { |
| 79 | + r, err := workflow.ExecuteActivity[int](ctx, workflow.ActivityOptions{ |
| 80 | + RetryOptions: workflow.RetryOptions{ |
| 81 | + MaxAttempts: 2, |
| 82 | + }, |
| 83 | + }, activity1).Get(ctx) |
| 84 | + if err != nil { |
| 85 | + return 0, err |
| 86 | + } |
| 87 | + |
| 88 | + return r, nil |
| 89 | +} |
| 90 | + |
| 91 | +func activity1(ctx context.Context) (int, error) { |
| 92 | + return 23, nil |
| 93 | +} |
| 94 | + |
| 95 | +type testHistoryProvider struct { |
| 96 | + history []history.Event |
| 97 | +} |
| 98 | + |
| 99 | +func (t *testHistoryProvider) GetWorkflowInstanceHistory(ctx context.Context, instance *core.WorkflowInstance, lastSequenceID *int64) ([]history.Event, error) { |
| 100 | + return t.history, nil |
| 101 | +} |
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