| 13 | ) |
| 14 | |
| 15 | func TestQueryRows(t *testing.T) { |
| 16 | t.Run("streams rows with rowEnd markers", func(t *testing.T) { |
| 17 | db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual)) |
| 18 | require.NoError(t, err) |
| 19 | defer func() { _ = db.Close() }() |
| 20 | |
| 21 | mock.ExpectQuery("SELECT a, b"). |
| 22 | WillReturnRows(sqlmock.NewRows([]string{"a", "b"}). |
| 23 | AddRow("x", "1"). |
| 24 | AddRow("y", "2")) |
| 25 | |
| 26 | var got []struct { |
| 27 | column string |
| 28 | value string |
| 29 | rowEnd bool |
| 30 | } |
| 31 | dur, err := QueryRows(context.Background(), db, "SELECT a, b", func(column, value string, rowEnd bool) { |
| 32 | got = append(got, struct { |
| 33 | column string |
| 34 | value string |
| 35 | rowEnd bool |
| 36 | }{column: column, value: value, rowEnd: rowEnd}) |
| 37 | }) |
| 38 | require.NoError(t, err) |
| 39 | assert.GreaterOrEqual(t, dur.Milliseconds(), int64(0)) |
| 40 | |
| 41 | require.Len(t, got, 4) |
| 42 | assert.Equal(t, "a", got[0].column) |
| 43 | assert.Equal(t, "x", got[0].value) |
| 44 | assert.False(t, got[0].rowEnd) |
| 45 | assert.Equal(t, "b", got[1].column) |
| 46 | assert.Equal(t, "1", got[1].value) |
| 47 | assert.True(t, got[1].rowEnd) |
| 48 | assert.Equal(t, "a", got[2].column) |
| 49 | assert.Equal(t, "y", got[2].value) |
| 50 | assert.False(t, got[2].rowEnd) |
| 51 | assert.Equal(t, "b", got[3].column) |
| 52 | assert.Equal(t, "2", got[3].value) |
| 53 | assert.True(t, got[3].rowEnd) |
| 54 | assert.NoError(t, mock.ExpectationsWereMet()) |
| 55 | }) |
| 56 | |
| 57 | t.Run("null values are converted to empty string", func(t *testing.T) { |
| 58 | db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual)) |
| 59 | require.NoError(t, err) |
| 60 | defer func() { _ = db.Close() }() |
| 61 | |
| 62 | mock.ExpectQuery("SELECT a"). |
| 63 | WillReturnRows(sqlmock.NewRows([]string{"a"}).AddRow(nil)) |
| 64 | |
| 65 | var values []string |
| 66 | _, err = QueryRows(context.Background(), db, "SELECT a", func(_ string, value string, _ bool) { |
| 67 | values = append(values, value) |
| 68 | }) |
| 69 | require.NoError(t, err) |
| 70 | require.Len(t, values, 1) |
| 71 | assert.Equal(t, "", values[0]) |
| 72 | assert.NoError(t, mock.ExpectationsWereMet()) |