sq/libsq/driver/driver_test.go
Neil O'Toole 26f0c9a381
Refactor source.Files (#363)
* Moved `source.Files` to its own package, thus the type is now `files.Files`.
* Moved much of the location functionality from pkg `source` to its own package `location`.
2024-01-24 23:29:55 -07:00

788 lines
22 KiB
Go

package driver_test
import (
"context"
"errors"
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/sync/errgroup"
"github.com/neilotoole/sq/libsq/core/errz"
"github.com/neilotoole/sq/libsq/core/kind"
"github.com/neilotoole/sq/libsq/core/options"
"github.com/neilotoole/sq/libsq/core/sqlmodel"
"github.com/neilotoole/sq/libsq/core/stringz"
"github.com/neilotoole/sq/libsq/core/tablefq"
"github.com/neilotoole/sq/libsq/driver"
"github.com/neilotoole/sq/libsq/source/drivertype"
"github.com/neilotoole/sq/testh"
"github.com/neilotoole/sq/testh/fixt"
"github.com/neilotoole/sq/testh/sakila"
"github.com/neilotoole/sq/testh/tu"
)
func TestDriver_DropTable(t *testing.T) {
t.Parallel()
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, src, drvr, _, db := testh.NewWith(t, handle)
tblName := stringz.UniqTableName(sakila.TblActor)
// Copy a table that we can play with
tblName = th.CopyTable(false, src, tablefq.From(sakila.TblActor), tablefq.From(tblName), false)
require.NoError(t, drvr.DropTable(th.Context, db, tablefq.From(tblName), true))
// Copy the table again so we can drop it again
tblName = th.CopyTable(false, src, tablefq.From(sakila.TblActor), tablefq.From(tblName), false)
// test with ifExists = false
require.NoError(t, drvr.DropTable(th.Context, db, tablefq.From(tblName), false))
// Check that we get the expected behavior when the table doesn't exist
notTable := tablefq.New(stringz.UniqSuffix("not_a_table"))
require.NoError(t, drvr.DropTable(th.Context, db, notTable, true),
"should be no error when ifExists is true")
require.Error(t, drvr.DropTable(th.Context, db, notTable, false),
"error expected when ifExists is false")
})
}
}
func TestDriver_TableExists(t *testing.T) {
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
th, _, drvr, _, db := testh.NewWith(t, handle)
tblName := sakila.TblActor
exists, err := drvr.TableExists(th.Context, db, tblName)
require.NoError(t, err)
require.True(t, exists)
tblName = stringz.UniqTableName("no_exist")
exists, err = drvr.TableExists(th.Context, db, tblName)
require.NoError(t, err)
require.False(t, exists)
})
}
}
func TestDriver_CopyTable(t *testing.T) {
t.Parallel()
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, src, drvr, _, db := testh.NewWith(t, handle)
require.Equal(t, int64(sakila.TblActorCount), th.RowCount(src, sakila.TblActor),
"fromTable should have ActorCount rows beforehand")
toTable := stringz.UniqTableName(sakila.TblActor)
// First, test with copyData = true
copied, err := drvr.CopyTable(th.Context, db, tablefq.From(sakila.TblActor), tablefq.From(toTable), true)
require.NoError(t, err)
require.Equal(t, int64(sakila.TblActorCount), copied)
require.Equal(t, int64(sakila.TblActorCount), th.RowCount(src, toTable))
defer th.DropTable(src, tablefq.From(toTable))
toTable = stringz.UniqTableName(sakila.TblActor)
// Then, with copyData = false
copied, err = drvr.CopyTable(th.Context, db, tablefq.From(sakila.TblActor), tablefq.From(toTable), false)
require.NoError(t, err)
require.Equal(t, int64(0), copied)
require.Equal(t, int64(0), th.RowCount(src, toTable))
defer th.DropTable(src, tablefq.From(toTable))
})
}
}
// TestDriver_CreateTable_Minimal tests the minimal functionality
// of SQLDriver.CreateTable impls.
func TestDriver_CreateTable_Minimal(t *testing.T) {
t.Parallel()
testCases := sakila.SQLAll()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, src, drvr, _, db := testh.NewWith(t, handle)
tblName := stringz.UniqTableName(t.Name())
colNames, colKinds := fixt.ColNamePerKind(drvr.Dialect().IntBool, false, false)
tblDef := sqlmodel.NewTableDef(tblName, colNames, colKinds)
err := drvr.CreateTable(th.Context, db, tblDef)
require.NoError(t, err)
t.Cleanup(func() { th.DropTable(src, tablefq.From(tblName)) })
colTypes, err := drvr.TableColumnTypes(th.Context, db, tblName, colNames)
require.NoError(t, err)
require.Equal(t, len(colNames), len(colTypes))
recMeta, _, err := drvr.RecordMeta(th.Context, colTypes)
require.NoError(t, err)
require.Equal(t, colNames, recMeta.Names())
require.Equal(t, colKinds, recMeta.Kinds())
})
}
}
func TestDriver_TableColumnTypes(t *testing.T) { //nolint:tparallel
testCases := sakila.SQLAll()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
tu.SkipShort(t, handle == sakila.XLSX)
t.Parallel()
th, src, drvr, _, db := testh.NewWith(t, handle)
// Run the test both with and without data in the target table.
// Some driver implementations of rows.ColumnTypes behave
// differently depending upon whether the query returns rows
// or not.
for _, copyData := range []bool{false, true} {
tblName := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, copyData)
// Note nil colNames, should still get all columns
// as if the query was (SELECT * FROM actualTblName)
colTypes, err := drvr.TableColumnTypes(th.Context, db, tblName, nil)
require.NoError(t, err)
require.Equal(t, len(sakila.TblActorCols()), len(colTypes))
for i := range colTypes {
require.Equal(t, sakila.TblActorCols()[i], colTypes[i].Name())
}
// Try again, but requesting specific col names
wantColNames := []string{sakila.TblActorCols()[0], sakila.TblActorCols()[2]}
colTypes, err = drvr.TableColumnTypes(th.Context, db, tblName, wantColNames)
require.NoError(t, err)
require.Equal(t, len(wantColNames), len(colTypes))
for i := range colTypes {
require.Equal(t, wantColNames[i], colTypes[i].Name())
}
}
})
}
}
func TestSQLDriver_PrepareUpdateStmt(t *testing.T) { //nolint:tparallel
testCases := sakila.SQLAll()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
tu.SkipShort(t, handle == sakila.XLSX)
t.Parallel()
th, src, drvr, _, db := testh.NewWith(t, handle)
tblName := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, true)
const (
actorID int64 = 1
whereClause string = "actor_id = ?"
)
var (
destCols = []string{"first_name", "last_name"}
wantVals = []any{"Kubla", "Khan"}
args = append(wantVals, actorID)
)
stmtExecer, err := drvr.PrepareUpdateStmt(th.Context, db, tblName, destCols, whereClause)
require.NoError(t, err)
require.Equal(t, destCols, stmtExecer.DestMeta().Names())
require.NoError(t, stmtExecer.Munge(wantVals))
affected, err := stmtExecer.Exec(th.Context, args...)
require.NoError(t, err)
assert.Equal(t, int64(1), affected)
sink, err := th.QuerySQL(src, nil, "SELECT * FROM "+tblName+" WHERE actor_id = 1")
require.NoError(t, err)
require.Equal(t, 1, len(sink.Recs))
require.Equal(t, actorID, stringz.Val(sink.Recs[0][0]))
require.Equal(t, wantVals[0], stringz.Val(sink.Recs[0][1]))
require.Equal(t, wantVals[1], stringz.Val(sink.Recs[0][2]))
})
}
}
func TestDriver_Ping(t *testing.T) {
testCases := sakila.AllHandles()
testCases = append(testCases, sakila.CSVActor, sakila.CSVActorHTTP)
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
tu.SkipShort(t, handle == sakila.XLSX)
th := testh.New(t)
src := th.Source(handle)
drvr := th.DriverFor(src)
err := drvr.Ping(th.Context, src)
require.NoError(t, err)
})
}
}
func TestDriver_Open(t *testing.T) {
t.Parallel()
testCases := sakila.AllHandles()
testCases = append(testCases, sakila.CSVActor, sakila.CSVActorHTTP)
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
tu.SkipShort(t, handle == sakila.XLSX)
t.Parallel()
th := testh.New(t)
src := th.Source(handle)
drvr := th.DriverFor(src)
grip, err := drvr.Open(th.Context, src)
require.NoError(t, err)
db, err := grip.DB(th.Context)
require.NoError(t, err)
require.NoError(t, db.PingContext(th.Context))
require.NoError(t, grip.Close())
})
}
}
func TestNewBatchInsert(t *testing.T) {
// This value is chosen as it's not a neat divisor of 200 (sakila.TblActorSize).
const batchSize = 70
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
th, src, drvr, _, db := testh.NewWith(t, handle)
tblName := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, false)
conn, err := db.Conn(th.Context)
require.NoError(t, err)
t.Cleanup(func() {
_ = conn.Close()
})
// Get records from TblActor that we'll write to the new tbl
recMeta, recs := testh.RecordsFromTbl(t, handle, sakila.TblActor)
bi, err := driver.NewBatchInsert(
th.Context,
"Insert records",
drvr,
conn,
tblName,
recMeta.Names(),
batchSize,
)
require.NoError(t, err)
for _, rec := range recs {
err = bi.Munge(rec)
require.NoError(t, err)
select {
case <-th.Context.Done():
close(bi.RecordCh)
// Should never happen
t.Fatal(th.Context.Err())
case err = <-bi.ErrCh:
close(bi.RecordCh)
// Should not happen
t.Fatal(err)
case bi.RecordCh <- rec:
}
}
close(bi.RecordCh) // Indicates end of records
err = <-bi.ErrCh
require.Nil(t, err)
require.NoError(t, conn.Close())
sink, err := th.QuerySQL(src, nil, "SELECT * FROM "+tblName)
require.NoError(t, err)
require.Equal(t, sakila.TblActorCount, len(sink.Recs))
th.TruncateTable(src, tblName) // cleanup
})
}
}
// coreDrivers is a slice of the core driver types.
var coreDrivers = []drivertype.Type{
drivertype.Pg,
drivertype.MSSQL,
drivertype.SQLite,
drivertype.MySQL,
drivertype.CSV,
drivertype.TSV,
drivertype.XLSX,
}
// sqlDrivers is a slice of the SQL driver types.
var sqlDrivers = []drivertype.Type{
drivertype.Pg,
drivertype.MSSQL,
drivertype.SQLite,
drivertype.MySQL,
}
// docDrivers is a slice of the doc driver types.
var docDrivers = []drivertype.Type{
drivertype.CSV,
drivertype.TSV,
drivertype.XLSX,
}
func TestRegistry_DriversMetadata_All(t *testing.T) {
t.Parallel()
reg := testh.New(t).Registry()
metas := reg.DriversMetadata()
require.Equal(t, len(metas), len(reg.Drivers()))
m := map[drivertype.Type]driver.Metadata{}
for i := range metas {
m[metas[i].Type] = metas[i]
}
for _, typ := range coreDrivers {
md, ok := m[typ]
require.True(t, ok)
require.Equal(t, typ, md.Type)
}
}
func TestRegistry_DriversMetadata_SQL(t *testing.T) {
t.Parallel()
for _, typ := range sqlDrivers {
typ := typ
t.Run(typ.String(), func(t *testing.T) {
t.Parallel()
th := testh.New(t)
reg := th.Registry()
drvr, err := reg.DriverFor(typ)
require.NoError(t, err)
meta := drvr.DriverMetadata()
require.Equal(t, typ, meta.Type)
require.True(t, meta.IsSQL)
require.False(t, meta.Monotable, "can't be monotable and SQL")
sqlDrvr, ok := drvr.(driver.SQLDriver)
require.True(t, ok)
dialect := sqlDrvr.Dialect()
require.Equal(t, typ, dialect.Type)
require.NotNil(t, dialect.Placeholders)
})
}
}
func TestRegistry_DriversMetadata_Doc(t *testing.T) {
t.Parallel()
for _, typ := range docDrivers {
typ := typ
t.Run(typ.String(), func(t *testing.T) {
t.Parallel()
th := testh.New(t)
reg := th.Registry()
drvr, err := reg.DriverFor(typ)
require.NoError(t, err)
_, ok := drvr.(driver.SQLDriver)
require.False(t, ok)
meta := drvr.DriverMetadata()
require.Equal(t, typ, meta.Type)
require.False(t, meta.IsSQL)
})
}
}
func TestDatabase_TableMetadata(t *testing.T) { //nolint:tparallel
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, _, _, grip, _ := testh.NewWith(t, handle)
tblMeta, err := grip.TableMetadata(th.Context, sakila.TblActor)
require.NoError(t, err)
require.Equal(t, sakila.TblActor, tblMeta.Name)
require.Equal(t, int64(sakila.TblActorCount), tblMeta.RowCount)
})
}
}
func TestDatabase_SourceMetadata(t *testing.T) {
t.Parallel()
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, _, _, grip, _ := testh.NewWith(t, handle)
md, err := grip.SourceMetadata(th.Context, false)
require.NoError(t, err)
require.Equal(t, sakila.TblActor, md.Tables[0].Name)
require.Equal(t, int64(sakila.TblActorCount), md.Tables[0].RowCount)
})
}
}
// TestDatabase_SourceMetadata_concurrent tests the behavior of the
// drivers when SourceMetadata is invoked concurrently.
func TestDatabase_SourceMetadata_concurrent(t *testing.T) { //nolint:tparallel
const concurrency = 5
handles := sakila.SQLLatest()
for _, handle := range handles {
handle := handle
t.Run(handle, func(t *testing.T) {
t.Parallel()
th, _, _, grip, _ := testh.NewWith(t, handle)
g, gCtx := errgroup.WithContext(th.Context)
for i := 0; i < concurrency; i++ {
g.Go(func() error {
md, err := grip.SourceMetadata(gCtx, false)
require.NoError(t, err)
require.NotNil(t, md)
gotTbl := md.Table(sakila.TblActor)
require.NotNil(t, gotTbl)
require.Equal(t, int64(sakila.TblActorCount), gotTbl.RowCount)
return nil
})
}
require.NoError(t, g.Wait())
})
}
}
func TestSQLDriver_AlterTableAddColumn(t *testing.T) {
testCases := sakila.SQLLatest()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
th, src, drvr, _, db := testh.NewWith(t, handle)
// Make a copy of the table to play with
tbl := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, true)
const wantCol, wantKind = "col_int", kind.Int
wantCols := append(sakila.TblActorCols(), wantCol)
wantKinds := append(sakila.TblActorColKinds(), wantKind)
err := drvr.AlterTableAddColumn(th.Context, db, tbl, wantCol, wantKind)
require.NoError(t, err)
sink, err := th.QuerySQL(src, nil, "SELECT * FROM "+tbl)
require.NoError(t, err)
gotCols := sink.RecMeta.Names()
require.Equal(t, wantCols, gotCols)
gotKinds := sink.RecMeta.Kinds()
require.Equal(t, wantKinds, gotKinds)
})
}
}
func TestSQLDriver_AlterTableRename(t *testing.T) {
testCases := sakila.SQLLatest()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
th, src, drvr, grip, db := testh.NewWith(t, handle)
// Make a copy of the table to play with
tbl := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, true)
defer th.DropTable(src, tablefq.From(tbl))
newName := stringz.UniqSuffix("actor_copy_")
err := drvr.AlterTableRename(th.Context, db, tbl, newName)
require.NoError(t, err)
defer th.DropTable(src, tablefq.From(newName))
md, err := grip.TableMetadata(th.Context, newName)
require.NoError(t, err)
require.Equal(t, newName, md.Name)
sink, err := th.QuerySQL(src, nil, "SELECT * FROM "+newName)
require.NoError(t, err)
require.Equal(t, sakila.TblActorCount, len(sink.Recs))
})
}
}
func TestSQLDriver_AlterTableRenameColumn(t *testing.T) {
testCases := sakila.SQLLatest()
for _, handle := range testCases {
handle := handle
t.Run(handle, func(t *testing.T) {
th, src, drvr, grip, db := testh.NewWith(t, handle)
// Make a copy of the table to play with
tbl := th.CopyTable(true, src, tablefq.From(sakila.TblActor), tablefq.T{}, true)
newName := "given_name"
err := drvr.AlterTableRenameColumn(th.Context, db, tbl, "first_name", newName)
require.NoError(t, err)
md, err := grip.TableMetadata(th.Context, tbl)
require.NoError(t, err)
require.NotNil(t, md.Column(newName))
sink, err := th.QuerySQL(src, nil, fmt.Sprintf("SELECT %s FROM %s", newName, tbl))
require.NoError(t, err)
require.Equal(t, sakila.TblActorCount, len(sink.Recs))
})
}
}
func TestSQLDriver_CurrentCatalog(t *testing.T) {
for _, handle := range sakila.SQLAll() {
handle := handle
t.Run(handle, func(t *testing.T) {
th, _, drvr, _, db := testh.NewWith(t, handle)
if !drvr.Dialect().Catalog {
t.Skipf("driver {%s} does not support catalogs", drvr.DriverMetadata().Type)
return
}
currentCatalog, err := drvr.CurrentCatalog(th.Context, db)
require.NoError(t, err)
require.NotEmpty(t, currentCatalog)
gotCatalogs, err := drvr.ListCatalogs(th.Context, db)
require.NoError(t, err)
require.Equal(t, currentCatalog, gotCatalogs[0])
})
}
}
func TestSQLDriver_CurrentSchemaCatalog(t *testing.T) {
testCases := []struct {
handle string
wantSchema string
wantCatalog string
}{
{sakila.SL3, "main", "default"},
{sakila.Pg, "public", "sakila"},
{sakila.My, "sakila", "def"},
{sakila.MS, "dbo", "sakila"},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.handle, func(t *testing.T) {
th, _, drvr, grip, db := testh.NewWith(t, tc.handle)
gotSchema, err := drvr.CurrentSchema(th.Context, db)
require.NoError(t, err)
require.Equal(t, tc.wantSchema, gotSchema)
md, err := grip.SourceMetadata(th.Context, false)
require.NoError(t, err)
require.NotNil(t, md)
require.Equal(t, md.Schema, tc.wantSchema)
require.Equal(t, md.Catalog, tc.wantCatalog)
gotSchemas, err := drvr.ListSchemas(th.Context, db)
require.NoError(t, err)
require.Contains(t, gotSchemas, gotSchema)
if drvr.Dialect().Catalog {
gotCatalog, err := drvr.CurrentCatalog(th.Context, db)
require.NoError(t, err)
require.Equal(t, tc.wantCatalog, gotCatalog)
gotCatalogs, err := drvr.ListCatalogs(th.Context, db)
require.NoError(t, err)
require.Contains(t, gotCatalogs, gotCatalog)
}
})
}
}
func TestDriverCreateDropSchema(t *testing.T) {
testCases := []struct {
handle string
defaultSchema string
}{
{sakila.SL3, "main"},
{sakila.Pg, "public"},
{sakila.My, "sakila"},
{sakila.MS, "dbo"},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.handle, func(t *testing.T) {
th, src, drvr, _, db := testh.NewWith(t, tc.handle)
ctx := th.Context
conn, err := db.Conn(th.Context)
require.NoError(t, err)
t.Cleanup(func() {
assert.NoError(t, conn.Close())
})
gotSchema1, err := drvr.CurrentSchema(ctx, conn)
require.NoError(t, err)
require.Equal(t, tc.defaultSchema, gotSchema1)
newSchema := "test_schema_" + stringz.Uniq8()
err = drvr.CreateSchema(ctx, conn, newSchema)
require.NoError(t, err)
t.Cleanup(func() {
err = drvr.DropSchema(ctx, conn, newSchema)
assert.NoError(t, err)
})
schemaNames, err := drvr.ListSchemas(ctx, conn)
require.NoError(t, err)
require.Contains(t, schemaNames, tc.defaultSchema)
require.Contains(t, schemaNames, newSchema)
destTblFQ := tablefq.T{Schema: newSchema, Table: stringz.UniqTableName("actor2")}
srcTblFQ := tablefq.From(sakila.TblActor)
copied, err := drvr.CopyTable(ctx, conn, srcTblFQ, destTblFQ, true)
require.NoError(t, err)
require.Equal(t, int64(sakila.TblActorCount), copied)
q := fmt.Sprintf("SELECT * FROM %s.%s", destTblFQ.Schema, destTblFQ.Table)
sink, err := th.QuerySQL(src, conn, q)
require.NoError(t, err)
require.Equal(t, int64(sakila.TblActorCount), int64(len(sink.Recs)))
// Do a second copy for good measure. We want to verify that CopyTable works
// even on the non-default schema (this could probably be its own test).
destTblFQ2 := tablefq.T{Schema: newSchema, Table: stringz.UniqSuffix("actor3_")}
copied, err = drvr.CopyTable(ctx, conn, destTblFQ, destTblFQ2, true)
require.NoError(t, err)
require.Equal(t, int64(sakila.TblActorCount), copied)
q = fmt.Sprintf("SELECT * FROM %s.%s", destTblFQ2.Schema, destTblFQ2.Table)
sink, err = th.QuerySQL(src, conn, q)
require.NoError(t, err)
require.Equal(t, int64(sakila.TblActorCount), int64(len(sink.Recs)))
})
}
}
func TestSQLDriver_ErrWrap_IsErrNotExist(t *testing.T) {
for _, h := range sakila.SQLLatest() {
h := h
t.Run(h, func(t *testing.T) {
th, _, _, _, _ := testh.NewWith(t, h)
_, err := th.QuerySLQ(h+".does_not_exist", nil)
require.Error(t, err)
require.True(t, errz.Has[*driver.NotExistError](err))
})
}
}
func TestMungeColNames(t *testing.T) {
testCases := []struct {
in []string
want []string
}{
{[]string{"a", "b", "c"}, []string{"a", "b", "c"}},
{[]string{"a", "b", "a", "d"}, []string{"a", "b", "a_1", "d"}},
{[]string{"a", "b", "a", "b", "d", "a"}, []string{"a", "b", "a_1", "b_1", "d", "a_2"}},
}
for i, tc := range testCases {
tc := tc
t.Run(tu.Name(i, tc.in), func(t *testing.T) {
ctx := options.NewContext(context.Background(), options.Options{})
got, err := driver.MungeResultColNames(ctx, tc.in)
require.NoError(t, err)
require.Equal(t, tc.want, got)
})
}
}
func TestEmptyDataError(t *testing.T) {
var err error
require.False(t, errz.Has[driver.EmptyDataError](err))
require.False(t, errz.Has[driver.EmptyDataError](errz.New("huzzah")))
var ede1 driver.EmptyDataError
require.True(t, errz.Has[driver.EmptyDataError](ede1))
var ede2 driver.EmptyDataError
require.True(t, errors.As(ede1, &ede2))
err = driver.NewEmptyDataError("huzzah")
require.True(t, errz.Has[driver.EmptyDataError](err))
err = fmt.Errorf("wrap me: %w", err)
require.True(t, errz.Has[driver.EmptyDataError](err))
err = driver.NewEmptyDataError("%s doesn't exist", "me")
require.True(t, errz.Has[driver.EmptyDataError](err))
require.Equal(t, "me doesn't exist", err.Error())
}
func TestNotExistError(t *testing.T) {
var err error
require.False(t, errz.Has[*driver.NotExistError](err))
var nee1 *driver.NotExistError
require.True(t, errz.Has[*driver.NotExistError](nee1))
var nee2 *driver.NotExistError
require.True(t, errors.As(nee1, &nee2))
err = driver.NewNotExistError(errz.New("huzzah"))
require.True(t, errz.Has[*driver.NotExistError](err))
err = fmt.Errorf("wrap me: %w", err)
require.True(t, errz.Has[*driver.NotExistError](err))
}