251 lines
6.6 KiB
Go
251 lines
6.6 KiB
Go
// Copyright 2015 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"database/sql"
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"testing"
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_ "github.com/go-sql-driver/mysql"
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. "github.com/pingcap/check"
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)
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func TestT(t *testing.T) {
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TestingT(t)
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}
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var regression = true
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var dsn = "root@tcp(localhost:4001)/test?strict=true"
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func runTests(c *C, dsn string, tests ...func(dbt *DBTest)) {
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db, err := sql.Open("mysql", dsn)
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c.Assert(err, IsNil, Commentf("Error connecting"))
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defer db.Close()
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db.Exec("DROP TABLE IF EXISTS test")
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dbt := &DBTest{c, db}
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for _, test := range tests {
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test(dbt)
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dbt.db.Exec("DROP TABLE IF EXISTS test")
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}
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}
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type DBTest struct {
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*C
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db *sql.DB
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}
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func (dbt *DBTest) fail(method, query string, err error) {
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if len(query) > 300 {
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query = "[query too large to print]"
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}
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dbt.Fatalf("Error on %s %s: %s", method, query, err.Error())
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}
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func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) {
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res, err := dbt.db.Exec(query, args...)
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dbt.Assert(err, IsNil, Commentf("Exec %s", query))
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return res
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}
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func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) {
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rows, err := dbt.db.Query(query, args...)
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dbt.Assert(err, IsNil, Commentf("Query %s", query))
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return rows
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}
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func (dbt *DBTest) mustQueryRows(query string, args ...interface{}) {
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rows := dbt.mustQuery(query, args...)
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dbt.Assert(rows.Next(), IsTrue)
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rows.Close()
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}
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func runTestRegression(c *C) {
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runTests(c, dsn, func(dbt *DBTest) {
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// Create Table
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dbt.mustExec("CREATE TABLE test (val TINYINT)")
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// Test for unexpected data
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var out bool
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rows := dbt.mustQuery("SELECT * FROM test")
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dbt.Assert(rows.Next(), IsFalse, Commentf("unexpected data in empty table"))
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// Create Data
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res := dbt.mustExec("INSERT INTO test VALUES (1)")
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// res := dbt.mustExec("INSERT INTO test VALUES (?)", 1)
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count, err := res.RowsAffected()
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dbt.Assert(err, IsNil)
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dbt.Check(count, Equals, int64(1))
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id, err := res.LastInsertId()
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dbt.Assert(err, IsNil)
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dbt.Check(id, Equals, int64(0))
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// Read
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rows = dbt.mustQuery("SELECT val FROM test")
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if rows.Next() {
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rows.Scan(&out)
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dbt.Check(out, IsTrue)
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dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
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} else {
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dbt.Error("no data")
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}
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rows.Close()
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// Update
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res = dbt.mustExec("UPDATE test SET val = 0 WHERE val = ?", 1)
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count, err = res.RowsAffected()
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dbt.Assert(err, IsNil)
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dbt.Check(count, Equals, int64(1))
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// Check Update
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rows = dbt.mustQuery("SELECT val FROM test")
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if rows.Next() {
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rows.Scan(&out)
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dbt.Check(out, IsFalse)
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dbt.Check(rows.Next(), IsFalse, Commentf("unexpected data"))
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} else {
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dbt.Error("no data")
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}
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rows.Close()
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// Delete
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res = dbt.mustExec("DELETE FROM test WHERE val = 0")
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// res = dbt.mustExec("DELETE FROM test WHERE val = ?", 0)
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count, err = res.RowsAffected()
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dbt.Assert(err, IsNil)
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dbt.Check(count, Equals, int64(1))
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// Check for unexpected rows
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res = dbt.mustExec("DELETE FROM test")
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count, err = res.RowsAffected()
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dbt.Assert(err, IsNil)
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dbt.Check(count, Equals, int64(0))
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dbt.mustQueryRows("SELECT 1")
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b := []byte{}
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if err := dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil {
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dbt.Fatal(err)
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}
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if b == nil {
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dbt.Error("nil echo from non-nil input")
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}
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})
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}
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func runTestPrepareResultFieldType(t *C) {
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var param int64 = 83
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runTests(t, dsn, func(dbt *DBTest) {
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stmt, err := dbt.db.Prepare(`SELECT ?`)
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if err != nil {
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dbt.Fatal(err)
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}
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defer stmt.Close()
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row := stmt.QueryRow(param)
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var result int64
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err = row.Scan(&result)
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if err != nil {
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dbt.Fatal(err)
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}
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switch {
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case result != param:
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dbt.Fatal("Unexpected result value")
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}
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})
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}
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func runTestSpecialType(t *C) {
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runTests(t, dsn, func(dbt *DBTest) {
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dbt.mustExec("create table test (a decimal(10, 5), b datetime, c time)")
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dbt.mustExec("insert test values (1.4, '2012-12-21 12:12:12', '4:23:34')")
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rows := dbt.mustQuery("select * from test where a > ?", 0)
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t.Assert(rows.Next(), IsTrue)
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var outA float64
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var outB, outC string
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err := rows.Scan(&outA, &outB, &outC)
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t.Assert(err, IsNil)
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t.Assert(outA, Equals, 1.4)
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t.Assert(outB, Equals, "2012-12-21 12:12:12")
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t.Assert(outC, Equals, "04:23:34")
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})
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}
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func runTestPreparedString(t *C) {
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runTests(t, dsn, func(dbt *DBTest) {
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dbt.mustExec("create table test (a char(10), b char(10))")
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dbt.mustExec("insert test values (?, ?)", "abcdeabcde", "abcde")
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rows := dbt.mustQuery("select * from test where 1 = ?", 1)
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t.Assert(rows.Next(), IsTrue)
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var outA, outB string
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err := rows.Scan(&outA, &outB)
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t.Assert(err, IsNil)
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t.Assert(outA, Equals, "abcdeabcde")
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t.Assert(outB, Equals, "abcde")
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})
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}
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func runTestConcurrentUpdate(c *C) {
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runTests(c, dsn, func(dbt *DBTest) {
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dbt.mustExec("create table test (a int, b int)")
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dbt.mustExec("insert test values (1, 1)")
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txn1, err := dbt.db.Begin()
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c.Assert(err, IsNil)
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txn2, err := dbt.db.Begin()
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c.Assert(err, IsNil)
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_, err = txn2.Exec("update test set a = a + 1 where b = 1")
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c.Assert(err, IsNil)
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err = txn2.Commit()
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c.Assert(err, IsNil)
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_, err = txn1.Exec("update test set a = a + 1 where b = 1")
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c.Assert(err, IsNil)
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err = txn1.Commit()
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c.Assert(err, IsNil)
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})
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}
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func runTestAuth(c *C) {
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runTests(c, dsn, func(dbt *DBTest) {
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dbt.mustExec(`CREATE USER 'test'@'127.0.0.1' IDENTIFIED BY '123';`)
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dbt.mustExec(`CREATE USER 'test'@'localhost' IDENTIFIED BY '123';`)
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dbt.mustExec(`CREATE USER 'test'@'::1' IDENTIFIED BY '123';`)
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})
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newDsn := "test:123@tcp(localhost:4001)/test?strict=true"
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runTests(c, newDsn, func(dbt *DBTest) {
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dbt.mustExec(`USE mysql;`)
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})
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db, err := sql.Open("mysql", "test:456@tcp(localhost:4001)/test?strict=true")
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_, err = db.Query("USE mysql;")
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c.Assert(err, NotNil, Commentf("Wrong password should be failed"))
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db.Close()
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}
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func runTestIssues(c *C) {
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// For issue #263
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unExistsSchemaDsn := "root@tcp(localhost:4001)/unexists_schema?strict=true"
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db, err := sql.Open("mysql", unExistsSchemaDsn)
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c.Assert(db, NotNil)
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c.Assert(err, IsNil)
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// Open may just validate its arguments without creating a connection to the database. To verify that the data source name is valid, call Ping.
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err = db.Ping()
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c.Assert(err, NotNil, Commentf("Connecting to an unexists schema should be error"))
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db.Close()
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}
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