80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// Copyright 2025 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testkit_test
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/stretchr/testify/require"
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)
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func TestMockDB(t *testing.T) {
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store := testkit.CreateMockStore(t)
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tk := testkit.NewTestKit(t, store)
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db := testkit.CreateMockDB(tk)
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defer db.Close()
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var err error
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_, err = db.Exec("use test")
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require.NoError(t, err)
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_, err = db.Exec("create table t (id int, v varchar(255))")
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require.NoError(t, err)
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_, err = db.Exec("insert into t values (1, 'a'), (2, 'b')")
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require.NoError(t, err)
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// Test Query
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rows, err := db.Query("select * from t order by id")
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require.NoError(t, err)
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defer rows.Close()
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var id int
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var v string
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require.True(t, rows.Next())
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require.NoError(t, rows.Scan(&id, &v))
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require.Equal(t, 1, id)
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require.Equal(t, "a", v)
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require.True(t, rows.Next())
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require.NoError(t, rows.Scan(&id, &v))
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require.Equal(t, 2, id)
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require.Equal(t, "b", v)
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require.False(t, rows.Next())
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require.NoError(t, rows.Err())
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// Test Exec
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res, err := db.Exec("insert into t values (3, 'c')")
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require.NoError(t, err)
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affected, err := res.RowsAffected()
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require.NoError(t, err)
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require.Equal(t, int64(1), affected)
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// Verify with TestKit
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tk.MustExec("use test")
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tk.MustQuery("select * from t where id = 3").Check(testkit.Rows("3 c"))
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// Test Prepare
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stmt, err := db.Prepare("select v from t where id = ?")
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require.NoError(t, err)
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defer stmt.Close()
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row := stmt.QueryRow(2)
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require.NoError(t, row.Scan(&v))
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require.Equal(t, "b", v)
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}
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