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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| package listener_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/big" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/stretchr/testify/suite" | ||
| "github.com/sygmaprotocol/sygma-core/chains/evm/listener" | ||
| "github.com/sygmaprotocol/sygma-core/mock" | ||
| "go.uber.org/mock/gomock" | ||
| ) | ||
|
|
||
| type ListenerTestSuite struct { | ||
| suite.Suite | ||
| listener *listener.EVMListener | ||
| mockClient *mock.MockChainClient | ||
| mockEventHandler *mock.MockEventHandler | ||
| mockBlockStorer *mock.MockBlockStorer | ||
| mockBlockDeltaMeter *mock.MockBlockDeltaMeter | ||
| domainID uint8 | ||
| } | ||
|
|
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| func TestRunTestSuite(t *testing.T) { | ||
| suite.Run(t, new(ListenerTestSuite)) | ||
| } | ||
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| func (s *ListenerTestSuite) SetupTest() { | ||
| ctrl := gomock.NewController(s.T()) | ||
| s.domainID = 1 | ||
| s.mockClient = mock.NewMockChainClient(ctrl) | ||
| s.mockEventHandler = mock.NewMockEventHandler(ctrl) | ||
| s.mockBlockStorer = mock.NewMockBlockStorer(ctrl) | ||
| s.mockBlockDeltaMeter = mock.NewMockBlockDeltaMeter(ctrl) | ||
| s.listener = listener.NewEVMListener( | ||
| s.mockClient, | ||
| []listener.EventHandler{s.mockEventHandler, s.mockEventHandler}, | ||
| s.mockBlockStorer, | ||
| s.mockBlockDeltaMeter, | ||
| s.domainID, | ||
| time.Millisecond*75, | ||
| big.NewInt(5), | ||
| big.NewInt(5)) | ||
| } | ||
|
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_RetriesIfBlockUnavailable() { | ||
| s.mockClient.EXPECT().LatestBlock().Return(big.NewInt(0), fmt.Errorf("error")) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
| go s.listener.ListenToEvents(ctx, big.NewInt(100)) | ||
|
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| time.Sleep(time.Millisecond * 50) | ||
| cancel() | ||
| } | ||
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_SleepsIfBlockTooNew() { | ||
| s.mockClient.EXPECT().LatestBlock().Return(big.NewInt(109), nil) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
| go s.listener.ListenToEvents(ctx, big.NewInt(100)) | ||
|
|
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| time.Sleep(time.Millisecond * 50) | ||
| cancel() | ||
| } | ||
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_RetriesInCaseOfHandlerFailure() { | ||
| startBlock := big.NewInt(100) | ||
| endBlock := big.NewInt(105) | ||
| head := big.NewInt(110) | ||
|
|
||
| // First pass | ||
| s.mockClient.EXPECT().LatestBlock().Return(head, nil) | ||
| s.mockBlockDeltaMeter.EXPECT().TrackBlockDelta(uint8(1), head, endBlock) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(fmt.Errorf("error")) | ||
| // Second pass | ||
| s.mockClient.EXPECT().LatestBlock().Return(head, nil) | ||
| s.mockBlockDeltaMeter.EXPECT().TrackBlockDelta(uint8(1), head, endBlock) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockBlockStorer.EXPECT().StoreBlock(endBlock, s.domainID).Return(nil) | ||
| // third pass | ||
| s.mockClient.EXPECT().LatestBlock().Return(head, nil) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| go s.listener.ListenToEvents(ctx, big.NewInt(100)) | ||
|
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| time.Sleep(time.Millisecond * 50) | ||
| cancel() | ||
| } | ||
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_StoresBlockIfEventHandlingSuccessful() { | ||
| startBlock := big.NewInt(100) | ||
| endBlock := big.NewInt(105) | ||
| head := big.NewInt(110) | ||
|
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| s.mockClient.EXPECT().LatestBlock().Return(head, nil) | ||
| // prevent infinite runs | ||
| s.mockClient.EXPECT().LatestBlock().Return(big.NewInt(95), nil) | ||
| s.mockBlockDeltaMeter.EXPECT().TrackBlockDelta(uint8(1), head, endBlock) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockBlockStorer.EXPECT().StoreBlock(endBlock, s.domainID).Return(nil) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| go s.listener.ListenToEvents(ctx, big.NewInt(100)) | ||
|
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| time.Sleep(time.Millisecond * 50) | ||
| cancel() | ||
| } | ||
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_IgnoresBlockStorerError() { | ||
| startBlock := big.NewInt(100) | ||
| endBlock := big.NewInt(105) | ||
| head := big.NewInt(110) | ||
|
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| s.mockClient.EXPECT().LatestBlock().Return(head, nil) | ||
| s.mockBlockDeltaMeter.EXPECT().TrackBlockDelta(uint8(1), head, endBlock) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockBlockStorer.EXPECT().StoreBlock(endBlock, s.domainID).Return(fmt.Errorf("error")) | ||
|
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| // prevent infinite runs | ||
| s.mockClient.EXPECT().LatestBlock().Return(big.NewInt(95), nil) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| go s.listener.ListenToEvents(ctx, big.NewInt(100)) | ||
|
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| time.Sleep(time.Millisecond * 50) | ||
| cancel() | ||
| } | ||
|
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| func (s *ListenerTestSuite) Test_ListenToEvents_UsesHeadAsStartBlockIfNilPassed() { | ||
| startBlock := big.NewInt(110) | ||
| endBlock := big.NewInt(115) | ||
| oldHead := big.NewInt(110) | ||
| newHead := big.NewInt(120) | ||
|
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| s.mockClient.EXPECT().LatestBlock().Return(oldHead, nil) | ||
| s.mockClient.EXPECT().LatestBlock().Return(newHead, nil) | ||
| s.mockClient.EXPECT().LatestBlock().Return(big.NewInt(65), nil) | ||
|
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| s.mockBlockDeltaMeter.EXPECT().TrackBlockDelta(uint8(1), big.NewInt(120), endBlock) | ||
|
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| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockEventHandler.EXPECT().HandleEvents(startBlock, new(big.Int).Sub(endBlock, big.NewInt(1))).Return(nil) | ||
| s.mockBlockStorer.EXPECT().StoreBlock(endBlock, s.domainID).Return(nil) | ||
|
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| ctx, cancel := context.WithCancel(context.Background()) | ||
|
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| go s.listener.ListenToEvents(ctx, nil) | ||
|
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| time.Sleep(time.Millisecond * 100) | ||
| cancel() | ||
| } |
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