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Add test for watcher log delegation

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Edvard 2018-12-11 15:02:32 +01:00
parent 5d4239de05
commit 9000c6e9f9
2 changed files with 38 additions and 5 deletions
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41
libraries/shared/watcher_test.go
View File

@ -22,6 +22,7 @@ type MockTransformer struct {
executeError error executeError error
passedLogs []types.Log passedLogs []types.Log
passedHeader core.Header passedHeader core.Header
transformerName string
} }
func (mh *MockTransformer) Execute(logs []types.Log, header core.Header) error { func (mh *MockTransformer) Execute(logs []types.Log, header core.Header) error {
@ -35,7 +36,11 @@ func (mh *MockTransformer) Execute(logs []types.Log, header core.Header) error {
} }
func (mh *MockTransformer) Name() string { func (mh *MockTransformer) Name() string {
return "MockTransformer" return mh.transformerName
}
func (mh *MockTransformer) SetTransformerName(name string) {
mh.transformerName = name
} }
func fakeTransformerInitializer(db *postgres.DB) shared2.Transformer { func fakeTransformerInitializer(db *postgres.DB) shared2.Transformer {
@ -49,11 +54,11 @@ var _ = Describe("Watcher", func() {
repository := &mocks.MockWatcherRepository{} repository := &mocks.MockWatcherRepository{}
configA := shared2.TransformerConfig{ configA := shared2.TransformerConfig{
ContractAddresses: []string{"0xA"}, ContractAddresses: []string{"0xA"},
Topic: "0xA", Topic: "0xA",
} }
configB := shared2.TransformerConfig{ configB := shared2.TransformerConfig{
ContractAddresses: []string{"0xB"}, ContractAddresses: []string{"0xB"},
Topic: "0xB", Topic: "0xB",
} }
configs := []shared2.TransformerConfig{configA, configB} configs := []shared2.TransformerConfig{configA, configB}
watcher := shared.NewWatcher(db, &fetcher, repository, configs) watcher := shared.NewWatcher(db, &fetcher, repository, configs)
@ -93,7 +98,7 @@ var _ = Describe("Watcher", func() {
fakeTransformer *MockTransformer fakeTransformer *MockTransformer
headerRepository repositories.HeaderRepository headerRepository repositories.HeaderRepository
mockFetcher mocks.MockLogFetcher mockFetcher mocks.MockLogFetcher
repository mocks.MockWatcherRepository repository mocks.MockWatcherRepository
) )
BeforeEach(func() { BeforeEach(func() {
@ -131,7 +136,33 @@ var _ = Describe("Watcher", func() {
}) })
It("passes only relevant logs to each transformer", func() { It("passes only relevant logs to each transformer", func() {
// TODO Test log delegation transformerA := &MockTransformer{}
transformerA.SetTransformerName("transformerA")
transformerB := &MockTransformer{}
transformerB.SetTransformerName("transformerB")
configA := shared2.TransformerConfig{TransformerName: "transformerA",
ContractAddresses: []string{"0x000000000000000000000000000000000000000A"},
Topic: "0xA"}
configB := shared2.TransformerConfig{TransformerName: "transformerB",
ContractAddresses: []string{"0x000000000000000000000000000000000000000b"},
Topic: "0xB"}
configs := []shared2.TransformerConfig{configA, configB}
logA := types.Log{Address: common.HexToAddress("0xA"),
Topics: []common.Hash{common.HexToHash("0xA")}}
logB := types.Log{Address: common.HexToAddress("0xB"),
Topics: []common.Hash{common.HexToHash("0xB")}}
mockFetcher.SetFetchedLogs([]types.Log{logA, logB})
repository.SetMissingHeaders([]core.Header{fakes.FakeHeader})
watcher = shared.NewWatcher(db, &mockFetcher, &repository, configs)
watcher.Transformers = []shared2.Transformer{transformerA, transformerB}
err := watcher.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(transformerA.passedLogs).To(Equal([]types.Log{logA}))
Expect(transformerB.passedLogs).To(Equal([]types.Log{logB}))
}) })
Describe("uses the repository correctly:", func() { Describe("uses the repository correctly:", func() {

2
pkg/transformers/shared/log_chunker.go
View File

@ -48,6 +48,8 @@ func (chunker LogChunker) ChunkLogs(logs []types.Log) map[string][]types.Log {
for _, log := range logs { for _, log := range logs {
// Topic0 is not unique to each transformer, also need to consider the contract address // Topic0 is not unique to each transformer, also need to consider the contract address
relevantTransformers := chunker.AddressToNames[log.Address.String()] relevantTransformers := chunker.AddressToNames[log.Address.String()]
// TODO What should happen if log can't be assigned?
for _, transformer := range relevantTransformers { for _, transformer := range relevantTransformers {
if chunker.NameToTopic0[transformer] == log.Topics[0] { if chunker.NameToTopic0[transformer] == log.Topics[0] {
chunks[transformer] = append(chunks[transformer], log) chunks[transformer] = append(chunks[transformer], log)