test: added unit tests for chainsync filter plugin

Signed-off-by: Jenita <jkawan@blinklabs.io>

Author: jkawan

filter/chainsync/chainsync_test.go

@@ -14,11 +14,116 @@
 
 package chainsync
 
-import "testing"
+import (
+	"encoding/hex"
+	"testing"
+	"time"
+
+	"github.com/blinklabs-io/adder/event"
+	"github.com/blinklabs-io/adder/input/chainsync"
+	"github.com/blinklabs-io/gouroboros/cbor"
+	"github.com/blinklabs-io/gouroboros/ledger"
+	"github.com/blinklabs-io/gouroboros/ledger/common"
+	"github.com/stretchr/testify/assert"
+	"github.com/utxorpc/go-codegen/utxorpc/v1alpha/cardano"
+)
 
 // MockLogger is a mock implementation of the plugin.Logger interface
 type MockLogger struct{}
 
+// MockAddress is a mock implementation of the ledger.Address interface
+type MockAddress struct {
+	common.Address // Embed the common.Address struct
+}
+
+func (m MockAddress) ByronAttr() common.ByronAddressAttributes {
+	return common.ByronAddressAttributes{}
+}
+
+func (m MockAddress) ByronType() uint64 {
+	return 0
+}
+
+func (m MockAddress) Bytes() []byte {
+	return []byte("mockAddressBytes")
+}
+
+func (m *MockAddress) MarshalCBOR() ([]byte, error) {
+	return []byte{}, nil
+}
+
+func (m MockAddress) MarshalJSON() ([]byte, error) {
+	return []byte("{}"), nil
+}
+
+func (m MockAddress) NetworkId() uint {
+	return 1
+}
+
+func (m MockAddress) PaymentAddress() *common.Address {
+	return &common.Address{}
+}
+
+func (m *MockAddress) PaymentKeyHash() common.Blake2b224 {
+	return common.Blake2b224Hash([]byte("paymentKeyHash"))
+}
+
+func (m MockAddress) StakeAddress() *common.Address {
+	return &common.Address{}
+}
+
+func (m *MockAddress) StakeKeyHash() common.Blake2b224 {
+	return common.Blake2b224Hash([]byte("stakeKeyHash"))
+}
+
+func (m MockAddress) String() string {
+	return hex.EncodeToString(m.Bytes())
+}
+
+func (m MockAddress) Type() uint8 {
+	return 0
+}
+
+func (m *MockAddress) UnmarshalCBOR(data []byte) error {
+	return nil
+}
+
+// MockOutput is a mock implementation of the TransactionOutput interface
+type MockOutput struct {
+	address ledger.Address
+	amount  uint64
+	assets  *common.MultiAsset[common.MultiAssetTypeOutput]
+	datum   *cbor.LazyValue
+}
+
+func (m MockOutput) Address() ledger.Address {
+	return m.address
+}
+
+func (m MockOutput) Amount() uint64 {
+	return m.amount
+}
+
+func (m MockOutput) Assets() *common.MultiAsset[common.MultiAssetTypeOutput] {
+	return m.assets
+}
+
+func (m MockOutput) Datum() *cbor.LazyValue {
+	return m.datum
+}
+
+func (m MockOutput) DatumHash() *common.Blake2b256 {
+	return nil
+}
+
+func (m MockOutput) Cbor() []byte {
+	return []byte{}
+}
+
+func (m MockOutput) Utxorpc() *cardano.TxOutput {
+	return nil
+}
+
 func (l *MockLogger) Info(msg string, args ...interface{})  {}
 func (l *MockLogger) Error(msg string, args ...interface{}) {}
 func (l *MockLogger) Debug(msg string, args ...interface{}) {}
@@ -85,3 +190,162 @@ func TestChainSync_OutputChan(t *testing.T) {
 		t.Fatalf("expected non-nil outputChan")
 	}
 }
+
+func TestFilterByAddress(t *testing.T) {
+	// Setup ChainSync with address filter
+	cs := New(WithAddresses([]string{"addr_test1qqjwq357"}))
+
+	// Create a mock address using the methods
+	mockAddr := common.Address{}
+
+	// Mock transaction event
+	output := MockOutput{
+		address: mockAddr,
+		amount:  1000000,
+		assets:  nil,
+		datum:   nil,
+	}
+	evt := event.Event{
+		Payload: chainsync.TransactionEvent{
+			Outputs:        []ledger.TransactionOutput{output},
+			ResolvedInputs: []ledger.TransactionOutput{output},
+		},
+	}
+
+	// Start the filter
+	err := cs.Start()
+	assert.NoError(t, err, "ChainSync filter should start without error")
+	defer cs.Stop()
+
+	// Send event to input channel
+	cs.InputChan() <- evt
+
+	// Wait for the event to be processed
+	select {
+	case filteredEvt := <-cs.OutputChan():
+		assert.Equal(t, evt, filteredEvt, "Filtered event should match the input event")
+	case <-time.After(10 * time.Second):
+		t.Fatal("Test timed out waiting for filtered event")
+	}
+}
+
+func TestFilterByPolicyId(t *testing.T) {
+	// Setup ChainSync with policy ID filter
+	filterPolicyId := "random_policy_id"
+	policyIdHash := common.Blake2b224Hash([]byte(filterPolicyId))
+	cs := New(WithPolicies([]string{policyIdHash.String()}))
+
+	// Mock transaction event
+	policyId := policyIdHash // Use the same hash as the filter
+
+	// Create a new MultiAsset with pre-populated data
+	assetsData := make(map[common.Blake2b224]map[cbor.ByteString]common.MultiAssetTypeOutput)
+	assetName := cbor.NewByteString([]byte("asset1"))
+	assetsData[policyId] = map[cbor.ByteString]common.MultiAssetTypeOutput{
+		assetName: 1, // Add asset with quantity 1
+	}
+	assets := common.NewMultiAsset(assetsData)
+
+	output := MockOutput{
+		address: ledger.Address{},
+		amount:  1000000,
+		assets:  &assets,
+		datum:   nil,
+	}
+	evt := event.Event{
+		Payload: chainsync.TransactionEvent{
+			Outputs:        []ledger.TransactionOutput{output},
+			ResolvedInputs: []ledger.TransactionOutput{output},
+		},
+	}
+
+	// Start the filter
+	err := cs.Start()
+	assert.NoError(t, err, "ChainSync filter should start without error")
+	defer cs.Stop()
+
+	// Send event to input channel
+	cs.InputChan() <- evt
+
+	// Wait for the event to be processed
+	select {
+	case filteredEvt := <-cs.OutputChan():
+		assert.Equal(t, evt, filteredEvt, "Filtered event should match the input event")
+	case <-time.After(5 * time.Second):
+		t.Fatal("Test timed out waiting for filtered event")
+	}
+}
+
+func TestFilterByAssetFingerprint(t *testing.T) {
+	// Setup ChainSync with asset fingerprint filter
+	filterAssetFingerprint := "asset1e58wmplshqdkkq97tz02chq980456wgt35tfjr"
+	cs := New(WithAssetFingerprints([]string{filterAssetFingerprint}))
+
+	// Mock transaction event
+	policyId := common.Blake2b224Hash([]byte("policy1"))
+
+	// Create a new MultiAsset with pre-populated data
+	assetsData := make(map[common.Blake2b224]map[cbor.ByteString]common.MultiAssetTypeOutput)
+	assetName := cbor.NewByteString([]byte("asset1"))
+	assetsData[policyId] = map[cbor.ByteString]common.MultiAssetTypeOutput{
+		assetName: 1, // Add asset with quantity 1
+	}
+	assets := common.NewMultiAsset(assetsData)
+
+	output := MockOutput{
+		address: ledger.Address{},
+		amount:  1000000,
+		assets:  &assets,
+		datum:   nil,
+	}
+	evt := event.Event{
+		Payload: chainsync.TransactionEvent{
+			Outputs:        []ledger.TransactionOutput{output},
+			ResolvedInputs: []ledger.TransactionOutput{output},
+		},
+	}
+
+	// Start the filter
+	err := cs.Start()
+	assert.NoError(t, err, "ChainSync filter should start without error")
+	defer cs.Stop()
+
+	// Send event to input channel
+	cs.InputChan() <- evt
+
+	// Wait for the event to be processed
+	select {
+	case filteredEvt := <-cs.OutputChan():
+		assert.Equal(t, evt, filteredEvt, "Filtered event should match the input event")
+	case <-time.After(5 * time.Second):
+		t.Fatal("Test timed out waiting for filtered event")
+	}
+}
+
+func TestFilterByPoolId(t *testing.T) {
+	// Setup ChainSync with pool ID filter
+	cs := New(WithPoolIds([]string{"pool1"}))
+
+	// Mock block event
+	evt := event.Event{
+		Payload: chainsync.BlockEvent{
+			IssuerVkey: "pool1", // Match the filterPoolIds
+		},
+	}
+
+	// Start the filter
+	err := cs.Start()
+	assert.NoError(t, err, "ChainSync filter should start without error")
+	defer cs.Stop()
+
+	// Send event to input channel
+	cs.InputChan() <- evt
+
+	// Wait for the event to be processed
+	select {
+	case filteredEvt := <-cs.OutputChan():
+		assert.Equal(t, evt, filteredEvt, "Filtered event should match the input event")
+	case <-time.After(5 * time.Second):
+		t.Fatal("Test timed out waiting for filtered event")
+	}
+}