Files
chaisql/internal/query/statement/drop_test.go
2021-05-30 12:47:17 +04:00

69 lines
1.7 KiB
Go

package statement_test
import (
"testing"
"github.com/genjidb/genji"
"github.com/genjidb/genji/document"
"github.com/genjidb/genji/internal/testutil"
"github.com/stretchr/testify/require"
)
func TestDropTable(t *testing.T) {
db, err := genji.Open(":memory:")
require.NoError(t, err)
defer db.Close()
err = db.Exec("CREATE TABLE test1; CREATE TABLE test2; CREATE TABLE test3")
require.NoError(t, err)
err = db.Exec("DROP TABLE test1")
require.NoError(t, err)
err = db.Exec("DROP TABLE IF EXISTS test1")
require.NoError(t, err)
// Dropping a table that doesn't exist without "IF EXISTS"
// should return an error.
err = db.Exec("DROP TABLE test1")
require.Error(t, err)
// Assert that only the table `test1` has been dropped.
res, err := db.Query("SELECT table_name FROM __genji_tables")
require.NoError(t, err)
var tables []string
err = res.Iterate(func(d document.Document) error {
v, err := d.GetByField("table_name")
if err != nil {
return err
}
tables = append(tables, v.V.(string))
return nil
})
require.NoError(t, err)
require.NoError(t, res.Close())
require.Len(t, tables, 2)
// Dropping a read-only table should fail.
err = db.Exec("DROP TABLE __genji_tables")
require.Error(t, err)
}
func TestDropIndex(t *testing.T) {
_, tx, cleanup := testutil.NewTestTx(t)
defer cleanup()
testutil.MustExec(t, tx, `
CREATE TABLE test1(foo text); CREATE INDEX idx_test1_foo ON test1(foo);
CREATE TABLE test2(bar text); CREATE INDEX idx_test2_bar ON test2(bar);
`)
testutil.MustExec(t, tx, "DROP INDEX idx_test2_bar")
// Assert that the good index has been dropped.
indexes := tx.Catalog.ListIndexes("")
require.Len(t, indexes, 1)
require.Equal(t, "idx_test1_foo", indexes[0])
}