Unit tests for node package + small refactoring & fixes

node/external/logs/logsFacade_test.go

@@ -4,7 +4,6 @@ import (
 	"testing"
 
 	"github.com/multiversx/mx-chain-core-go/core"
-	"github.com/multiversx/mx-chain-core-go/core/check"
 	"github.com/multiversx/mx-chain-core-go/data/transaction"
 	"github.com/multiversx/mx-chain-core-go/marshal"
 	"github.com/multiversx/mx-chain-go/testscommon"
@@ -23,7 +22,7 @@ func TestNewLogsFacade(t *testing.T) {
 		facade, err := NewLogsFacade(arguments)
 		require.ErrorIs(t, err, errCannotCreateLogsFacade)
 		require.ErrorContains(t, err, core.ErrNilStore.Error())
-		require.True(t, check.IfNil(facade))
+		require.Nil(t, facade)
 	})
 
 	t.Run("NilMarshaller", func(t *testing.T) {
@@ -36,7 +35,7 @@ func TestNewLogsFacade(t *testing.T) {
 		facade, err := NewLogsFacade(arguments)
 		require.ErrorIs(t, err, errCannotCreateLogsFacade)
 		require.ErrorContains(t, err, core.ErrNilMarshalizer.Error())
-		require.True(t, check.IfNil(facade))
+		require.Nil(t, facade)
 	})
 
 	t.Run("NilPubKeyConverter", func(t *testing.T) {
@@ -49,7 +48,7 @@ func TestNewLogsFacade(t *testing.T) {
 		facade, err := NewLogsFacade(arguments)
 		require.ErrorIs(t, err, errCannotCreateLogsFacade)
 		require.ErrorContains(t, err, core.ErrNilPubkeyConverter.Error())
-		require.True(t, check.IfNil(facade))
+		require.Nil(t, facade)
 	})
 }
 
@@ -144,3 +143,18 @@ func TestLogsFacade_IncludeLogsInTransactionsShouldWork(t *testing.T) {
 	require.Nil(t, transactions[2].Logs)
 	require.Equal(t, "fourth", transactions[3].Logs.Events[0].Identifier)
 }
+
+func TestLogsFacade_IsInterfaceNil(t *testing.T) {
+	t.Parallel()
+
+	var lf *logsFacade
+	require.True(t, lf.IsInterfaceNil())
+
+	arguments := ArgsNewLogsFacade{
+		StorageService:  genericMocks.NewChainStorerMock(7),
+		Marshaller:      &marshal.GogoProtoMarshalizer{},
+		PubKeyConverter: testscommon.NewPubkeyConverterMock(32),
+	}
+	lf, _ = NewLogsFacade(arguments)
+	require.False(t, lf.IsInterfaceNil())
+}

node/external/nodeApiResolver_test.go

@@ -7,7 +7,6 @@ import (
 	"math/big"
 	"testing"
 
-	"github.com/multiversx/mx-chain-core-go/core/check"
 	"github.com/multiversx/mx-chain-core-go/data/api"
 	"github.com/multiversx/mx-chain-core-go/data/transaction"
 	"github.com/multiversx/mx-chain-go/common"
@@ -127,7 +126,7 @@ func TestNewNodeApiResolver_ShouldWork(t *testing.T) {
 	nar, err := external.NewNodeApiResolver(arg)
 
 	assert.Nil(t, err)
-	assert.False(t, check.IfNil(nar))
+	assert.NotNil(t, nar)
 }
 
 func TestNodeApiResolver_CloseShouldReturnNil(t *testing.T) {
@@ -676,3 +675,14 @@ func TestNodeApiResolver_GetGasConfigs(t *testing.T) {
 	_ = nar.GetGasConfigs()
 	require.True(t, wasCalled)
 }
+
+func TestNodeApiResolver_IsInterfaceNil(t *testing.T) {
+	t.Parallel()
+
+	nar, _ := external.NewNodeApiResolver(external.ArgNodeApiResolver{})
+	require.True(t, nar.IsInterfaceNil())
+
+	arg := createMockArgs()
+	nar, _ = external.NewNodeApiResolver(arg)
+	require.False(t, nar.IsInterfaceNil())
+}

node/external/timemachine/fee/feeComputer_test.go

@@ -6,7 +6,6 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/multiversx/mx-chain-core-go/core/check"
 	"github.com/multiversx/mx-chain-core-go/data/transaction"
 	"github.com/multiversx/mx-chain-go/config"
 	"github.com/multiversx/mx-chain-go/process"
@@ -24,7 +23,7 @@ func TestNewFeeComputer(t *testing.T) {
 
 		computer, err := NewFeeComputer(arguments)
 		require.Equal(t, process.ErrNilBuiltInFunctionsCostHandler, err)
-		require.True(t, check.IfNil(computer))
+		require.Nil(t, computer)
 	})
 
 	t.Run("AllArgumentsProvided", func(t *testing.T) {
@@ -216,3 +215,18 @@ func TestFeeComputer_InHighConcurrency(t *testing.T) {
 
 	wg.Wait()
 }
+
+func TestFeeComputer_IsInterfaceNil(t *testing.T) {
+	t.Parallel()
+
+	var fc *feeComputer
+	require.True(t, fc.IsInterfaceNil())
+
+	arguments := ArgsNewFeeComputer{
+		BuiltInFunctionsCostHandler: &testscommon.BuiltInCostHandlerStub{},
+		EconomicsConfig:             testscommon.GetEconomicsConfig(),
+	}
+
+	fc, _ = NewFeeComputer(arguments)
+	require.False(t, fc.IsInterfaceNil())
+}

node/metrics/metrics.go

@@ -2,6 +2,7 @@ package metrics
 
 import (
 	"fmt"
+	"runtime/debug"
 	"sort"
 	"strconv"
 
@@ -10,6 +11,7 @@ import (
 	"github.com/multiversx/mx-chain-go/common"
 	"github.com/multiversx/mx-chain-go/config"
 	"github.com/multiversx/mx-chain-go/sharding"
+	logger "github.com/multiversx/mx-chain-logger-go"
 )
 
 const millisecondsInSecond = 1000
@@ -18,6 +20,8 @@ const initInt = int64(0)
 const initString = ""
 const initZeroString = "0"
 
+var log = logger.GetOrCreate("node/metrics")
+
 // InitBaseMetrics will initialize base, default metrics to 0 values
 func InitBaseMetrics(appStatusHandler core.AppStatusHandler) error {
 	if check.IfNil(appStatusHandler) {
@@ -271,10 +275,20 @@ func InitMetrics(
 
 // SaveUint64Metric will save an uint64 metric in status handler
 func SaveUint64Metric(ash core.AppStatusHandler, key string, value uint64) {
+	if check.IfNil(ash) {
+		log.Error("programming error: nil AppStatusHandler in SaveUint64Metric", "stack", string(debug.Stack()))
+		return
+	}
+
 	ash.SetUInt64Value(key, value)
 }
 
 // SaveStringMetric will save a string metric in status handler
 func SaveStringMetric(ash core.AppStatusHandler, key, value string) {
+	if check.IfNil(ash) {
+		log.Error("programming error: nil AppStatusHandler in SaveStringMetric", "stack", string(debug.Stack()))
+		return
+	}
+
 	ash.SetStringValue(key, value)
 }