Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/pkg/mlogger/logger_test.go

@@ -0,0 +1,71 @@
+package mlogger
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zaptest/observer"
+)
+
+func TestNamedAvoidsLoggerNameStutter(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name string
+		base string
+		add  []any
+		want string
+	}{
+		{
+			name: "skips duplicate service name",
+			base: "notification",
+			add:  []any{"notification"},
+			want: "notification",
+		},
+		{
+			name: "overlaps dotted component",
+			base: "vault",
+			add:  []any{"vault.kv"},
+			want: "vault.kv",
+		},
+		{
+			name: "drops child prefix stutter",
+			base: "server.client",
+			add:  []any{"client_v2"},
+			want: "server.client.v2",
+		},
+		{
+			name: "keeps already present module name",
+			base: "payments.quotation.server",
+			add:  []any{"payments.quotation"},
+			want: "payments.quotation.server",
+		},
+		{
+			name: "extends partial overlap",
+			base: "payments",
+			add:  []any{"payments.quotation"},
+			want: "payments.quotation",
+		},
+		{
+			name: "keeps unrelated names",
+			base: "gateway.server",
+			add:  []any{"chain", "storage.mongo"},
+			want: "gateway.server.chain.storage.mongo",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			observed, logs := observer.New(zap.InfoLevel)
+			logger := Named(zap.New(observed).Named(tt.base), tt.add...)
+			logger.Info("test")
+
+			entries := logs.All()
+			require.Len(t, entries, 1)
+			require.Equal(t, tt.want, entries[0].LoggerName)
+		})
+	}
+}