driver_test.go

package sqlmock

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestDriverOpen(t *testing.T) {
	tests := []struct {
		name     string
		dsn      string
		mockName string
	}{
		{
			name:     "opens_connection_with_empty_dsn",
			dsn:      "",
			mockName: "empty-dsn",
		},
		{
			name:     "opens_connection_with_non_empty_dsn",
			dsn:      "ignored",
			mockName: "non-empty-dsn",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			// Arrange
			mock := NewMock()
			driver := &Driver{mock: mock}

			// Act
			connRaw, err := driver.Open(tt.dsn)

			// Assert
			require.NoError(t, err)
			require.NotNil(t, connRaw)

			conn, ok := connRaw.(*Conn)
			require.True(t, ok)
			assert.Same(t, mock, conn.mock)
		})
	}
}