chore: add populate wallet alias test

pkg/data_fetcher/populate_wallet_alias_test.go

@@ -0,0 +1,61 @@
+package data_fetcher
+
+import (
+	aliasManagerPkg "main/pkg/alias_manager"
+	configPkg "main/pkg/config"
+	"main/pkg/config/types"
+	"main/pkg/fs"
+	loggerPkg "main/pkg/logger"
+	"main/pkg/metrics"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestDataFetcherPopulateWalletAliasNotPresent(t *testing.T) {
+	t.Parallel()
+
+	config := &configPkg.AppConfig{
+		Chains: types.Chains{
+			{Name: "chain"},
+		},
+		Metrics: configPkg.MetricsConfig{Enabled: false},
+	}
+
+	filesystem := &fs.MockFs{}
+	logger := loggerPkg.GetNopLogger()
+	aliasManager := aliasManagerPkg.NewAliasManager(logger, config, filesystem)
+	metricsManager := metrics.NewManager(logger, config.Metrics)
+	dataFetcher := NewDataFetcher(logger, config, aliasManager, metricsManager)
+
+	wallet := &types.Link{Value: "address"}
+
+	dataFetcher.PopulateWalletAlias(config.Chains[0], wallet, "subscription")
+	require.Empty(t, wallet.Title)
+}
+
+func TestDataFetcherPopulateWalletAliasPresent(t *testing.T) {
+	t.Parallel()
+
+	config := &configPkg.AppConfig{
+		Chains: types.Chains{
+			{Name: "chain"},
+		},
+		Metrics:     configPkg.MetricsConfig{Enabled: false},
+		AliasesPath: "path.toml",
+	}
+
+	filesystem := &fs.MockFs{}
+	logger := loggerPkg.GetNopLogger()
+	aliasManager := aliasManagerPkg.NewAliasManager(logger, config, filesystem)
+	metricsManager := metrics.NewManager(logger, config.Metrics)
+	dataFetcher := NewDataFetcher(logger, config, aliasManager, metricsManager)
+
+	err := aliasManager.Set("subscription", "chain", "address", "alias")
+	require.NoError(t, err)
+
+	wallet := &types.Link{Value: "address"}
+
+	dataFetcher.PopulateWalletAlias(config.Chains[0], wallet, "subscription")
+	require.Equal(t, "alias", wallet.Title)
+}