Add test for country model

internal/models/country_test.go

@@ -0,0 +1,21 @@
+package models
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestNewCountry(t *testing.T) {
+	t.Run("name Fantasy code fy", func(t *testing.T) {
+		country := NewCountry("fy", "Fantasy")
+		assert.Equal(t, "fy", country.ID)
+		assert.Equal(t, "Fantasy", country.CountryName)
+		assert.Equal(t, "fantasy", country.CountrySlug)
+	})
+	t.Run("name Unknown code Unknown", func(t *testing.T) {
+		country := NewCountry("", "")
+		assert.Equal(t, "zz", country.ID)
+		assert.Equal(t, "Unknown", country.CountryName)
+		assert.Equal(t, "unknown", country.CountrySlug)
+	})
+}