payments/pkg/domain/models/payment_status_test.go

package models_test

import (
	"encoding/json"
	"testing"

	"github.com/hanzo-fi/payments/pkg/domain/models"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestPaymentStatus(t *testing.T) {
	t.Parallel()

	t.Run("String", func(t *testing.T) {
		t.Parallel()

		// Given
		testCases := []struct {
			status   models.PaymentStatus
			expected string
		}{
			{models.PAYMENT_STATUS_UNKNOWN, "UNKNOWN"},
			{models.PAYMENT_STATUS_PENDING, "PENDING"},
			{models.PAYMENT_STATUS_SUCCEEDED, "SUCCEEDED"},
			{models.PAYMENT_STATUS_FAILED, "FAILED"},
			{models.PAYMENT_STATUS_CANCELLED, "CANCELLED"},
			{models.PAYMENT_STATUS_EXPIRED, "EXPIRED"},
			{models.PAYMENT_STATUS_AUTHORISATION, "AUTHORISATION"},
			{models.PAYMENT_STATUS_CAPTURE, "CAPTURE"},
			{models.PAYMENT_STATUS_CAPTURE_FAILED, "CAPTURE_FAILED"},
			{models.PAYMENT_STATUS_AMOUNT_ADJUSTMENT, "AMOUNT_ADJUSTEMENT"},
			{models.PAYMENT_STATUS_REFUNDED, "REFUNDED"},
			{models.PAYMENT_STATUS_REFUNDED_FAILURE, "REFUNDED_FAILURE"},
			{models.PAYMENT_STATUS_REFUND_REVERSED, "REFUND_REVERSED"},
			{models.PAYMENT_STATUS_DISPUTE, "DISPUTE"},
			{models.PAYMENT_STATUS_DISPUTE_WON, "DISPUTE_WON"},
			{models.PAYMENT_STATUS_DISPUTE_LOST, "DISPUTE_LOST"},
			{models.PaymentStatus(999), "UNKNOWN"}, // Test default case
		}

		for _, tc := range testCases {
			// When
			result := tc.status.String()

			// Then
			assert.Equal(t, tc.expected, result)
		}
	})

	t.Run("PaymentStatusFromString", func(t *testing.T) {
		t.Parallel()

		// Given
		testCases := []struct {
			input    string
			expected models.PaymentStatus
			hasError bool
		}{
			{"PENDING", models.PAYMENT_STATUS_PENDING, false},
			{"SUCCEEDED", models.PAYMENT_STATUS_SUCCEEDED, false},
			{"FAILED", models.PAYMENT_STATUS_FAILED, false},
			{"CANCELLED", models.PAYMENT_STATUS_CANCELLED, false},
			{"EXPIRED", models.PAYMENT_STATUS_EXPIRED, false},
			{"AUTHORISATION", models.PAYMENT_STATUS_AUTHORISATION, false},
			{"CAPTURE", models.PAYMENT_STATUS_CAPTURE, false},
			{"CAPTURE_FAILED", models.PAYMENT_STATUS_CAPTURE_FAILED, false},
			{"AMOUNT_ADJUSTEMENT", models.PAYMENT_STATUS_AMOUNT_ADJUSTMENT, false},
			{"REFUNDED", models.PAYMENT_STATUS_REFUNDED, false},
			{"REFUNDED_FAILURE", models.PAYMENT_STATUS_REFUNDED_FAILURE, false},
			{"REFUND_REVERSED", models.PAYMENT_STATUS_REFUND_REVERSED, false},
			{"DISPUTE", models.PAYMENT_STATUS_DISPUTE, false},
			{"DISPUTE_WON", models.PAYMENT_STATUS_DISPUTE_WON, false},
			{"DISPUTE_LOST", models.PAYMENT_STATUS_DISPUTE_LOST, false},
			{"UNKNOWN", models.PAYMENT_STATUS_UNKNOWN, false},
			{"invalid", models.PAYMENT_STATUS_UNKNOWN, true},
			{"", models.PAYMENT_STATUS_UNKNOWN, true},
		}

		for _, tc := range testCases {
			// When
			status, err := models.PaymentStatusFromString(tc.input)

			// Then
			if tc.hasError {
				assert.Error(t, err)
				assert.Contains(t, err.Error(), "unknown payment status")
				assert.Equal(t, models.PAYMENT_STATUS_UNKNOWN, status)
			} else {
				require.NoError(t, err)
				assert.Equal(t, tc.expected, status)
			}
		}
	})

	t.Run("MustPaymentStatusFromString", func(t *testing.T) {
		t.Parallel()

		// Given
		testCases := []struct {
			input    string
			expected models.PaymentStatus
		}{
			{"PENDING", models.PAYMENT_STATUS_PENDING},
			{"SUCCEEDED", models.PAYMENT_STATUS_SUCCEEDED},
			{"FAILED", models.PAYMENT_STATUS_FAILED},
		}

		for _, tc := range testCases {
			// When
			result := models.MustPaymentStatusFromString(tc.input)

			// Then
			assert.Equal(t, tc.expected, result)
		}
	})

	t.Run("JSON", func(t *testing.T) {
		t.Parallel()

		// Given
		statuses := []models.PaymentStatus{
			models.PAYMENT_STATUS_PENDING,
			models.PAYMENT_STATUS_SUCCEEDED,
			models.PAYMENT_STATUS_FAILED,
		}

		for _, status := range statuses {
			// When
			data, err := json.Marshal(status)
			require.NoError(t, err)

			var unmarshaled models.PaymentStatus
			err = json.Unmarshal(data, &unmarshaled)

			// Then
			require.NoError(t, err)
			assert.Equal(t, status, unmarshaled)
		}

		t.Run("invalid string", func(t *testing.T) {
			t.Parallel()

			// Given
			var status1 models.PaymentStatus

			// When
			err := json.Unmarshal([]byte(`"INVALID"`), &status1)

			// Then
			assert.Error(t, err)
			assert.Contains(t, err.Error(), "unknown payment status")
		})
	})

	t.Run("Value", func(t *testing.T) {
		t.Parallel()

		// Given
		status := models.PAYMENT_STATUS_SUCCEEDED

		// When
		val, err := status.Value()

		// Then
		require.NoError(t, err)
		assert.Equal(t, "SUCCEEDED", val)
	})

	t.Run("Scan", func(t *testing.T) {
		t.Parallel()

		t.Run("valid string", func(t *testing.T) {
			t.Parallel()

			// Given
			var status1 models.PaymentStatus

			// When
			err := status1.Scan("SUCCEEDED")

			// Then
			require.NoError(t, err)
			assert.Equal(t, models.PAYMENT_STATUS_SUCCEEDED, status1)
		})

		t.Run("invalid type", func(t *testing.T) {
			t.Parallel()

			// Given
			var status2 models.PaymentStatus

			// When
			err := status2.Scan(123)

			// Then
			assert.Error(t, err)
			assert.Contains(t, err.Error(), "unknown payment status")
		})

		t.Run("nil value", func(t *testing.T) {
			t.Parallel()

			// Given
			var status3 models.PaymentStatus

			// When
			err := status3.Scan(nil)

			// Then
			assert.Error(t, err)
			assert.Contains(t, err.Error(), "payment status is nil")
		})
	})
}