code refactor

pkg/avatars/gravatar_provider_test.go

@@ -0,0 +1,20 @@
+package avatars
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+func TestGravatarAvatarProvider_GetGravatarUrl(t *testing.T) {
+	avatarProvider := NewGravatarAvatarProvider()
+
+	expectedValue := "https://www.gravatar.com/avatar/0bc83cb571cd1c50ba6f3e8a78ef1346"
+	actualValue := avatarProvider.GetAvatarUrl(&models.User{
+		Email: "MyEmailAddress@example.com",
+	})
+
+	assert.Equal(t, expectedValue, actualValue)
+}