| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package sqlquery |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/DATA-DOG/go-sqlmock" |
| 11 | "github.com/stretchr/testify/assert" |
| 12 | "github.com/stretchr/testify/require" |
| 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()) |
| 73 | }) |
| 74 | |
| 75 | t.Run("nil callback is accepted", func(t *testing.T) { |
| 76 | db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual)) |
| 77 | require.NoError(t, err) |
| 78 | defer func() { _ = db.Close() }() |
| 79 | |
| 80 | mock.ExpectQuery("SELECT a"). |
| 81 | WillReturnRows(sqlmock.NewRows([]string{"a"}).AddRow("x")) |
| 82 | |
| 83 | _, err = QueryRows(context.Background(), db, "SELECT a", nil) |
| 84 | require.NoError(t, err) |
| 85 | assert.NoError(t, mock.ExpectationsWereMet()) |
| 86 | }) |
| 87 | |
| 88 | t.Run("query error is propagated", func(t *testing.T) { |
| 89 | db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual)) |
| 90 | require.NoError(t, err) |
| 91 | defer func() { _ = db.Close() }() |
| 92 | |
| 93 | qerr := errors.New("query failed") |
| 94 | mock.ExpectQuery("SELECT bad").WillReturnError(qerr) |
| 95 | |
| 96 | _, err = QueryRows(context.Background(), db, "SELECT bad", func(_, _ string, _ bool) {}) |
| 97 | require.Error(t, err) |
| 98 | assert.ErrorIs(t, err, qerr) |
| 99 | assert.NoError(t, mock.ExpectationsWereMet()) |
| 100 | }) |
| 101 | |
| 102 | t.Run("rows error is propagated", func(t *testing.T) { |
| 103 | db, mock, err := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual)) |
| 104 | require.NoError(t, err) |
| 105 | defer func() { _ = db.Close() }() |
| 106 | |
| 107 | rerr := errors.New("rows failed") |
| 108 | mock.ExpectQuery("SELECT a"). |
| 109 | WillReturnRows(sqlmock.NewRows([]string{"a"}).AddRow("x").RowError(0, rerr)) |
| 110 | |
| 111 | _, err = QueryRows(context.Background(), db, "SELECT a", func(_, _ string, _ bool) {}) |
| 112 | require.Error(t, err) |
| 113 | assert.ErrorIs(t, err, rerr) |
| 114 | assert.NoError(t, mock.ExpectationsWereMet()) |
| 115 | }) |
| 116 | } |