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author | Christopher Speller <crspeller@gmail.com> | 2016-05-12 23:56:07 -0400 |
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committer | Christopher Speller <crspeller@gmail.com> | 2016-05-12 23:56:07 -0400 |
commit | 38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8 (patch) | |
tree | a4fde09672192b97d453ad605b030bd5a10c5a45 /vendor/github.com/go-sql-driver/mysql/driver_test.go | |
parent | 84d2482ddbff9564c9ad75b2d30af66e3ddfd44d (diff) | |
download | chat-38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8.tar.gz chat-38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8.tar.bz2 chat-38ee83e45b4de7edf89bf9f0ef629eb4c6ad0fa8.zip |
Moving to glide
Diffstat (limited to 'vendor/github.com/go-sql-driver/mysql/driver_test.go')
-rw-r--r-- | vendor/github.com/go-sql-driver/mysql/driver_test.go | 1857 |
1 files changed, 1857 insertions, 0 deletions
diff --git a/vendor/github.com/go-sql-driver/mysql/driver_test.go b/vendor/github.com/go-sql-driver/mysql/driver_test.go new file mode 100644 index 000000000..efbc4925c --- /dev/null +++ b/vendor/github.com/go-sql-driver/mysql/driver_test.go @@ -0,0 +1,1857 @@ +// Go MySQL Driver - A MySQL-Driver for Go's database/sql package +// +// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved. +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this file, +// You can obtain one at http://mozilla.org/MPL/2.0/. + +package mysql + +import ( + "bytes" + "crypto/tls" + "database/sql" + "database/sql/driver" + "fmt" + "io" + "io/ioutil" + "log" + "net" + "net/url" + "os" + "strings" + "sync" + "sync/atomic" + "testing" + "time" +) + +var ( + user string + pass string + prot string + addr string + dbname string + dsn string + netAddr string + available bool +) + +var ( + tDate = time.Date(2012, 6, 14, 0, 0, 0, 0, time.UTC) + sDate = "2012-06-14" + tDateTime = time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC) + sDateTime = "2011-11-20 21:27:37" + tDate0 = time.Time{} + sDate0 = "0000-00-00" + sDateTime0 = "0000-00-00 00:00:00" +) + +// See https://github.com/go-sql-driver/mysql/wiki/Testing +func init() { + // get environment variables + env := func(key, defaultValue string) string { + if value := os.Getenv(key); value != "" { + return value + } + return defaultValue + } + user = env("MYSQL_TEST_USER", "root") + pass = env("MYSQL_TEST_PASS", "") + prot = env("MYSQL_TEST_PROT", "tcp") + addr = env("MYSQL_TEST_ADDR", "localhost:3306") + dbname = env("MYSQL_TEST_DBNAME", "gotest") + netAddr = fmt.Sprintf("%s(%s)", prot, addr) + dsn = fmt.Sprintf("%s:%s@%s/%s?timeout=30s&strict=true", user, pass, netAddr, dbname) + c, err := net.Dial(prot, addr) + if err == nil { + available = true + c.Close() + } +} + +type DBTest struct { + *testing.T + db *sql.DB +} + +func runTestsWithMultiStatement(t *testing.T, dsn string, tests ...func(dbt *DBTest)) { + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + dsn += "&multiStatements=true" + var db *sql.DB + if _, err := ParseDSN(dsn); err != errInvalidDSNUnsafeCollation { + db, err = sql.Open("mysql", dsn) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db.Close() + } + + dbt := &DBTest{t, db} + for _, test := range tests { + test(dbt) + dbt.db.Exec("DROP TABLE IF EXISTS test") + } +} + +func runTests(t *testing.T, dsn string, tests ...func(dbt *DBTest)) { + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + db, err := sql.Open("mysql", dsn) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db.Close() + + db.Exec("DROP TABLE IF EXISTS test") + + dsn2 := dsn + "&interpolateParams=true" + var db2 *sql.DB + if _, err := ParseDSN(dsn2); err != errInvalidDSNUnsafeCollation { + db2, err = sql.Open("mysql", dsn2) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db2.Close() + } + + dsn3 := dsn + "&multiStatements=true" + var db3 *sql.DB + if _, err := ParseDSN(dsn3); err != errInvalidDSNUnsafeCollation { + db3, err = sql.Open("mysql", dsn3) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db3.Close() + } + + dbt := &DBTest{t, db} + dbt2 := &DBTest{t, db2} + dbt3 := &DBTest{t, db3} + for _, test := range tests { + test(dbt) + dbt.db.Exec("DROP TABLE IF EXISTS test") + if db2 != nil { + test(dbt2) + dbt2.db.Exec("DROP TABLE IF EXISTS test") + } + if db3 != nil { + test(dbt3) + dbt3.db.Exec("DROP TABLE IF EXISTS test") + } + } +} + +func (dbt *DBTest) fail(method, query string, err error) { + if len(query) > 300 { + query = "[query too large to print]" + } + dbt.Fatalf("error on %s %s: %s", method, query, err.Error()) +} + +func (dbt *DBTest) mustExec(query string, args ...interface{}) (res sql.Result) { + res, err := dbt.db.Exec(query, args...) + if err != nil { + dbt.fail("exec", query, err) + } + return res +} + +func (dbt *DBTest) mustQuery(query string, args ...interface{}) (rows *sql.Rows) { + rows, err := dbt.db.Query(query, args...) + if err != nil { + dbt.fail("query", query, err) + } + return rows +} + +func TestEmptyQuery(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + // just a comment, no query + rows := dbt.mustQuery("--") + // will hang before #255 + if rows.Next() { + dbt.Errorf("next on rows must be false") + } + }) +} + +func TestCRUD(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + // Create Table + dbt.mustExec("CREATE TABLE test (value BOOL)") + + // Test for unexpected data + var out bool + rows := dbt.mustQuery("SELECT * FROM test") + if rows.Next() { + dbt.Error("unexpected data in empty table") + } + + // Create Data + res := dbt.mustExec("INSERT INTO test VALUES (1)") + count, err := res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 1 { + dbt.Fatalf("expected 1 affected row, got %d", count) + } + + id, err := res.LastInsertId() + if err != nil { + dbt.Fatalf("res.LastInsertId() returned error: %s", err.Error()) + } + if id != 0 { + dbt.Fatalf("expected InsertId 0, got %d", id) + } + + // Read + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if true != out { + dbt.Errorf("true != %t", out) + } + + if rows.Next() { + dbt.Error("unexpected data") + } + } else { + dbt.Error("no data") + } + + // Update + res = dbt.mustExec("UPDATE test SET value = ? WHERE value = ?", false, true) + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 1 { + dbt.Fatalf("expected 1 affected row, got %d", count) + } + + // Check Update + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if false != out { + dbt.Errorf("false != %t", out) + } + + if rows.Next() { + dbt.Error("unexpected data") + } + } else { + dbt.Error("no data") + } + + // Delete + res = dbt.mustExec("DELETE FROM test WHERE value = ?", false) + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 1 { + dbt.Fatalf("expected 1 affected row, got %d", count) + } + + // Check for unexpected rows + res = dbt.mustExec("DELETE FROM test") + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 0 { + dbt.Fatalf("expected 0 affected row, got %d", count) + } + }) +} + +func TestMultiQuery(t *testing.T) { + runTestsWithMultiStatement(t, dsn, func(dbt *DBTest) { + // Create Table + dbt.mustExec("CREATE TABLE `test` (`id` int(11) NOT NULL, `value` int(11) NOT NULL) ") + + // Create Data + res := dbt.mustExec("INSERT INTO test VALUES (1, 1)") + count, err := res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 1 { + dbt.Fatalf("expected 1 affected row, got %d", count) + } + + // Update + res = dbt.mustExec("UPDATE test SET value = 3 WHERE id = 1; UPDATE test SET value = 4 WHERE id = 1; UPDATE test SET value = 5 WHERE id = 1;") + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 1 { + dbt.Fatalf("expected 1 affected row, got %d", count) + } + + // Read + var out int + rows := dbt.mustQuery("SELECT value FROM test WHERE id=1;") + if rows.Next() { + rows.Scan(&out) + if 5 != out { + dbt.Errorf("5 != %d", out) + } + + if rows.Next() { + dbt.Error("unexpected data") + } + } else { + dbt.Error("no data") + } + + }) +} + +func TestInt(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + types := [5]string{"TINYINT", "SMALLINT", "MEDIUMINT", "INT", "BIGINT"} + in := int64(42) + var out int64 + var rows *sql.Rows + + // SIGNED + for _, v := range types { + dbt.mustExec("CREATE TABLE test (value " + v + ")") + + dbt.mustExec("INSERT INTO test VALUES (?)", in) + + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if in != out { + dbt.Errorf("%s: %d != %d", v, in, out) + } + } else { + dbt.Errorf("%s: no data", v) + } + + dbt.mustExec("DROP TABLE IF EXISTS test") + } + + // UNSIGNED ZEROFILL + for _, v := range types { + dbt.mustExec("CREATE TABLE test (value " + v + " ZEROFILL)") + + dbt.mustExec("INSERT INTO test VALUES (?)", in) + + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if in != out { + dbt.Errorf("%s ZEROFILL: %d != %d", v, in, out) + } + } else { + dbt.Errorf("%s ZEROFILL: no data", v) + } + + dbt.mustExec("DROP TABLE IF EXISTS test") + } + }) +} + +func TestFloat32(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + types := [2]string{"FLOAT", "DOUBLE"} + in := float32(42.23) + var out float32 + var rows *sql.Rows + for _, v := range types { + dbt.mustExec("CREATE TABLE test (value " + v + ")") + dbt.mustExec("INSERT INTO test VALUES (?)", in) + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if in != out { + dbt.Errorf("%s: %g != %g", v, in, out) + } + } else { + dbt.Errorf("%s: no data", v) + } + dbt.mustExec("DROP TABLE IF EXISTS test") + } + }) +} + +func TestFloat64(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + types := [2]string{"FLOAT", "DOUBLE"} + var expected float64 = 42.23 + var out float64 + var rows *sql.Rows + for _, v := range types { + dbt.mustExec("CREATE TABLE test (value " + v + ")") + dbt.mustExec("INSERT INTO test VALUES (42.23)") + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if expected != out { + dbt.Errorf("%s: %g != %g", v, expected, out) + } + } else { + dbt.Errorf("%s: no data", v) + } + dbt.mustExec("DROP TABLE IF EXISTS test") + } + }) +} + +func TestFloat64Placeholder(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + types := [2]string{"FLOAT", "DOUBLE"} + var expected float64 = 42.23 + var out float64 + var rows *sql.Rows + for _, v := range types { + dbt.mustExec("CREATE TABLE test (id int, value " + v + ")") + dbt.mustExec("INSERT INTO test VALUES (1, 42.23)") + rows = dbt.mustQuery("SELECT value FROM test WHERE id = ?", 1) + if rows.Next() { + rows.Scan(&out) + if expected != out { + dbt.Errorf("%s: %g != %g", v, expected, out) + } + } else { + dbt.Errorf("%s: no data", v) + } + dbt.mustExec("DROP TABLE IF EXISTS test") + } + }) +} + +func TestString(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + types := [6]string{"CHAR(255)", "VARCHAR(255)", "TINYTEXT", "TEXT", "MEDIUMTEXT", "LONGTEXT"} + in := "κόσμε üöäßñóùéàâÿœ'îë Árvíztűrő いろはにほへとちりぬるを イロハニホヘト דג סקרן чащах น่าฟังเอย" + var out string + var rows *sql.Rows + + for _, v := range types { + dbt.mustExec("CREATE TABLE test (value " + v + ") CHARACTER SET utf8") + + dbt.mustExec("INSERT INTO test VALUES (?)", in) + + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if in != out { + dbt.Errorf("%s: %s != %s", v, in, out) + } + } else { + dbt.Errorf("%s: no data", v) + } + + dbt.mustExec("DROP TABLE IF EXISTS test") + } + + // BLOB + dbt.mustExec("CREATE TABLE test (id int, value BLOB) CHARACTER SET utf8") + + id := 2 + in = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " + + "sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " + + "sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " + + "Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. " + + "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, " + + "sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, " + + "sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. " + + "Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet." + dbt.mustExec("INSERT INTO test VALUES (?, ?)", id, in) + + err := dbt.db.QueryRow("SELECT value FROM test WHERE id = ?", id).Scan(&out) + if err != nil { + dbt.Fatalf("Error on BLOB-Query: %s", err.Error()) + } else if out != in { + dbt.Errorf("BLOB: %s != %s", in, out) + } + }) +} + +type timeTests struct { + dbtype string + tlayout string + tests []timeTest +} + +type timeTest struct { + s string // leading "!": do not use t as value in queries + t time.Time +} + +type timeMode byte + +func (t timeMode) String() string { + switch t { + case binaryString: + return "binary:string" + case binaryTime: + return "binary:time.Time" + case textString: + return "text:string" + } + panic("unsupported timeMode") +} + +func (t timeMode) Binary() bool { + switch t { + case binaryString, binaryTime: + return true + } + return false +} + +const ( + binaryString timeMode = iota + binaryTime + textString +) + +func (t timeTest) genQuery(dbtype string, mode timeMode) string { + var inner string + if mode.Binary() { + inner = "?" + } else { + inner = `"%s"` + } + return `SELECT cast(` + inner + ` as ` + dbtype + `)` +} + +func (t timeTest) run(dbt *DBTest, dbtype, tlayout string, mode timeMode) { + var rows *sql.Rows + query := t.genQuery(dbtype, mode) + switch mode { + case binaryString: + rows = dbt.mustQuery(query, t.s) + case binaryTime: + rows = dbt.mustQuery(query, t.t) + case textString: + query = fmt.Sprintf(query, t.s) + rows = dbt.mustQuery(query) + default: + panic("unsupported mode") + } + defer rows.Close() + var err error + if !rows.Next() { + err = rows.Err() + if err == nil { + err = fmt.Errorf("no data") + } + dbt.Errorf("%s [%s]: %s", dbtype, mode, err) + return + } + var dst interface{} + err = rows.Scan(&dst) + if err != nil { + dbt.Errorf("%s [%s]: %s", dbtype, mode, err) + return + } + switch val := dst.(type) { + case []uint8: + str := string(val) + if str == t.s { + return + } + if mode.Binary() && dbtype == "DATETIME" && len(str) == 26 && str[:19] == t.s { + // a fix mainly for TravisCI: + // accept full microsecond resolution in result for DATETIME columns + // where the binary protocol was used + return + } + dbt.Errorf("%s [%s] to string: expected %q, got %q", + dbtype, mode, + t.s, str, + ) + case time.Time: + if val == t.t { + return + } + dbt.Errorf("%s [%s] to string: expected %q, got %q", + dbtype, mode, + t.s, val.Format(tlayout), + ) + default: + fmt.Printf("%#v\n", []interface{}{dbtype, tlayout, mode, t.s, t.t}) + dbt.Errorf("%s [%s]: unhandled type %T (is '%v')", + dbtype, mode, + val, val, + ) + } +} + +func TestDateTime(t *testing.T) { + afterTime := func(t time.Time, d string) time.Time { + dur, err := time.ParseDuration(d) + if err != nil { + panic(err) + } + return t.Add(dur) + } + // NOTE: MySQL rounds DATETIME(x) up - but that's not included in the tests + format := "2006-01-02 15:04:05.999999" + t0 := time.Time{} + tstr0 := "0000-00-00 00:00:00.000000" + testcases := []timeTests{ + {"DATE", format[:10], []timeTest{ + {t: time.Date(2011, 11, 20, 0, 0, 0, 0, time.UTC)}, + {t: t0, s: tstr0[:10]}, + }}, + {"DATETIME", format[:19], []timeTest{ + {t: time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC)}, + {t: t0, s: tstr0[:19]}, + }}, + {"DATETIME(0)", format[:21], []timeTest{ + {t: time.Date(2011, 11, 20, 21, 27, 37, 0, time.UTC)}, + {t: t0, s: tstr0[:19]}, + }}, + {"DATETIME(1)", format[:21], []timeTest{ + {t: time.Date(2011, 11, 20, 21, 27, 37, 100000000, time.UTC)}, + {t: t0, s: tstr0[:21]}, + }}, + {"DATETIME(6)", format, []timeTest{ + {t: time.Date(2011, 11, 20, 21, 27, 37, 123456000, time.UTC)}, + {t: t0, s: tstr0}, + }}, + {"TIME", format[11:19], []timeTest{ + {t: afterTime(t0, "12345s")}, + {s: "!-12:34:56"}, + {s: "!-838:59:59"}, + {s: "!838:59:59"}, + {t: t0, s: tstr0[11:19]}, + }}, + {"TIME(0)", format[11:19], []timeTest{ + {t: afterTime(t0, "12345s")}, + {s: "!-12:34:56"}, + {s: "!-838:59:59"}, + {s: "!838:59:59"}, + {t: t0, s: tstr0[11:19]}, + }}, + {"TIME(1)", format[11:21], []timeTest{ + {t: afterTime(t0, "12345600ms")}, + {s: "!-12:34:56.7"}, + {s: "!-838:59:58.9"}, + {s: "!838:59:58.9"}, + {t: t0, s: tstr0[11:21]}, + }}, + {"TIME(6)", format[11:], []timeTest{ + {t: afterTime(t0, "1234567890123000ns")}, + {s: "!-12:34:56.789012"}, + {s: "!-838:59:58.999999"}, + {s: "!838:59:58.999999"}, + {t: t0, s: tstr0[11:]}, + }}, + } + dsns := []string{ + dsn + "&parseTime=true", + dsn + "&parseTime=false", + } + for _, testdsn := range dsns { + runTests(t, testdsn, func(dbt *DBTest) { + microsecsSupported := false + zeroDateSupported := false + var rows *sql.Rows + var err error + rows, err = dbt.db.Query(`SELECT cast("00:00:00.1" as TIME(1)) = "00:00:00.1"`) + if err == nil { + rows.Scan(µsecsSupported) + rows.Close() + } + rows, err = dbt.db.Query(`SELECT cast("0000-00-00" as DATE) = "0000-00-00"`) + if err == nil { + rows.Scan(&zeroDateSupported) + rows.Close() + } + for _, setups := range testcases { + if t := setups.dbtype; !microsecsSupported && t[len(t)-1:] == ")" { + // skip fractional second tests if unsupported by server + continue + } + for _, setup := range setups.tests { + allowBinTime := true + if setup.s == "" { + // fill time string whereever Go can reliable produce it + setup.s = setup.t.Format(setups.tlayout) + } else if setup.s[0] == '!' { + // skip tests using setup.t as source in queries + allowBinTime = false + // fix setup.s - remove the "!" + setup.s = setup.s[1:] + } + if !zeroDateSupported && setup.s == tstr0[:len(setup.s)] { + // skip disallowed 0000-00-00 date + continue + } + setup.run(dbt, setups.dbtype, setups.tlayout, textString) + setup.run(dbt, setups.dbtype, setups.tlayout, binaryString) + if allowBinTime { + setup.run(dbt, setups.dbtype, setups.tlayout, binaryTime) + } + } + } + }) + } +} + +func TestTimestampMicros(t *testing.T) { + format := "2006-01-02 15:04:05.999999" + f0 := format[:19] + f1 := format[:21] + f6 := format[:26] + runTests(t, dsn, func(dbt *DBTest) { + // check if microseconds are supported. + // Do not use timestamp(x) for that check - before 5.5.6, x would mean display width + // and not precision. + // Se last paragraph at http://dev.mysql.com/doc/refman/5.6/en/fractional-seconds.html + microsecsSupported := false + if rows, err := dbt.db.Query(`SELECT cast("00:00:00.1" as TIME(1)) = "00:00:00.1"`); err == nil { + rows.Scan(µsecsSupported) + rows.Close() + } + if !microsecsSupported { + // skip test + return + } + _, err := dbt.db.Exec(` + CREATE TABLE test ( + value0 TIMESTAMP NOT NULL DEFAULT '` + f0 + `', + value1 TIMESTAMP(1) NOT NULL DEFAULT '` + f1 + `', + value6 TIMESTAMP(6) NOT NULL DEFAULT '` + f6 + `' + )`, + ) + if err != nil { + dbt.Error(err) + } + defer dbt.mustExec("DROP TABLE IF EXISTS test") + dbt.mustExec("INSERT INTO test SET value0=?, value1=?, value6=?", f0, f1, f6) + var res0, res1, res6 string + rows := dbt.mustQuery("SELECT * FROM test") + if !rows.Next() { + dbt.Errorf("test contained no selectable values") + } + err = rows.Scan(&res0, &res1, &res6) + if err != nil { + dbt.Error(err) + } + if res0 != f0 { + dbt.Errorf("expected %q, got %q", f0, res0) + } + if res1 != f1 { + dbt.Errorf("expected %q, got %q", f1, res1) + } + if res6 != f6 { + dbt.Errorf("expected %q, got %q", f6, res6) + } + }) +} + +func TestNULL(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + nullStmt, err := dbt.db.Prepare("SELECT NULL") + if err != nil { + dbt.Fatal(err) + } + defer nullStmt.Close() + + nonNullStmt, err := dbt.db.Prepare("SELECT 1") + if err != nil { + dbt.Fatal(err) + } + defer nonNullStmt.Close() + + // NullBool + var nb sql.NullBool + // Invalid + if err = nullStmt.QueryRow().Scan(&nb); err != nil { + dbt.Fatal(err) + } + if nb.Valid { + dbt.Error("valid NullBool which should be invalid") + } + // Valid + if err = nonNullStmt.QueryRow().Scan(&nb); err != nil { + dbt.Fatal(err) + } + if !nb.Valid { + dbt.Error("invalid NullBool which should be valid") + } else if nb.Bool != true { + dbt.Errorf("Unexpected NullBool value: %t (should be true)", nb.Bool) + } + + // NullFloat64 + var nf sql.NullFloat64 + // Invalid + if err = nullStmt.QueryRow().Scan(&nf); err != nil { + dbt.Fatal(err) + } + if nf.Valid { + dbt.Error("valid NullFloat64 which should be invalid") + } + // Valid + if err = nonNullStmt.QueryRow().Scan(&nf); err != nil { + dbt.Fatal(err) + } + if !nf.Valid { + dbt.Error("invalid NullFloat64 which should be valid") + } else if nf.Float64 != float64(1) { + dbt.Errorf("unexpected NullFloat64 value: %f (should be 1.0)", nf.Float64) + } + + // NullInt64 + var ni sql.NullInt64 + // Invalid + if err = nullStmt.QueryRow().Scan(&ni); err != nil { + dbt.Fatal(err) + } + if ni.Valid { + dbt.Error("valid NullInt64 which should be invalid") + } + // Valid + if err = nonNullStmt.QueryRow().Scan(&ni); err != nil { + dbt.Fatal(err) + } + if !ni.Valid { + dbt.Error("invalid NullInt64 which should be valid") + } else if ni.Int64 != int64(1) { + dbt.Errorf("unexpected NullInt64 value: %d (should be 1)", ni.Int64) + } + + // NullString + var ns sql.NullString + // Invalid + if err = nullStmt.QueryRow().Scan(&ns); err != nil { + dbt.Fatal(err) + } + if ns.Valid { + dbt.Error("valid NullString which should be invalid") + } + // Valid + if err = nonNullStmt.QueryRow().Scan(&ns); err != nil { + dbt.Fatal(err) + } + if !ns.Valid { + dbt.Error("invalid NullString which should be valid") + } else if ns.String != `1` { + dbt.Error("unexpected NullString value:" + ns.String + " (should be `1`)") + } + + // nil-bytes + var b []byte + // Read nil + if err = nullStmt.QueryRow().Scan(&b); err != nil { + dbt.Fatal(err) + } + if b != nil { + dbt.Error("non-nil []byte wich should be nil") + } + // Read non-nil + if err = nonNullStmt.QueryRow().Scan(&b); err != nil { + dbt.Fatal(err) + } + if b == nil { + dbt.Error("nil []byte wich should be non-nil") + } + // Insert nil + b = nil + success := false + if err = dbt.db.QueryRow("SELECT ? IS NULL", b).Scan(&success); err != nil { + dbt.Fatal(err) + } + if !success { + dbt.Error("inserting []byte(nil) as NULL failed") + } + // Check input==output with input==nil + b = nil + if err = dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil { + dbt.Fatal(err) + } + if b != nil { + dbt.Error("non-nil echo from nil input") + } + // Check input==output with input!=nil + b = []byte("") + if err = dbt.db.QueryRow("SELECT ?", b).Scan(&b); err != nil { + dbt.Fatal(err) + } + if b == nil { + dbt.Error("nil echo from non-nil input") + } + + // Insert NULL + dbt.mustExec("CREATE TABLE test (dummmy1 int, value int, dummy2 int)") + + dbt.mustExec("INSERT INTO test VALUES (?, ?, ?)", 1, nil, 2) + + var out interface{} + rows := dbt.mustQuery("SELECT * FROM test") + if rows.Next() { + rows.Scan(&out) + if out != nil { + dbt.Errorf("%v != nil", out) + } + } else { + dbt.Error("no data") + } + }) +} + +func TestUint64(t *testing.T) { + const ( + u0 = uint64(0) + uall = ^u0 + uhigh = uall >> 1 + utop = ^uhigh + s0 = int64(0) + sall = ^s0 + shigh = int64(uhigh) + stop = ^shigh + ) + runTests(t, dsn, func(dbt *DBTest) { + stmt, err := dbt.db.Prepare(`SELECT ?, ?, ? ,?, ?, ?, ?, ?`) + if err != nil { + dbt.Fatal(err) + } + defer stmt.Close() + row := stmt.QueryRow( + u0, uhigh, utop, uall, + s0, shigh, stop, sall, + ) + + var ua, ub, uc, ud uint64 + var sa, sb, sc, sd int64 + + err = row.Scan(&ua, &ub, &uc, &ud, &sa, &sb, &sc, &sd) + if err != nil { + dbt.Fatal(err) + } + switch { + case ua != u0, + ub != uhigh, + uc != utop, + ud != uall, + sa != s0, + sb != shigh, + sc != stop, + sd != sall: + dbt.Fatal("unexpected result value") + } + }) +} + +func TestLongData(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + var maxAllowedPacketSize int + err := dbt.db.QueryRow("select @@max_allowed_packet").Scan(&maxAllowedPacketSize) + if err != nil { + dbt.Fatal(err) + } + maxAllowedPacketSize-- + + // don't get too ambitious + if maxAllowedPacketSize > 1<<25 { + maxAllowedPacketSize = 1 << 25 + } + + dbt.mustExec("CREATE TABLE test (value LONGBLOB)") + + in := strings.Repeat(`a`, maxAllowedPacketSize+1) + var out string + var rows *sql.Rows + + // Long text data + const nonDataQueryLen = 28 // length query w/o value + inS := in[:maxAllowedPacketSize-nonDataQueryLen] + dbt.mustExec("INSERT INTO test VALUES('" + inS + "')") + rows = dbt.mustQuery("SELECT value FROM test") + if rows.Next() { + rows.Scan(&out) + if inS != out { + dbt.Fatalf("LONGBLOB: length in: %d, length out: %d", len(inS), len(out)) + } + if rows.Next() { + dbt.Error("LONGBLOB: unexpexted row") + } + } else { + dbt.Fatalf("LONGBLOB: no data") + } + + // Empty table + dbt.mustExec("TRUNCATE TABLE test") + + // Long binary data + dbt.mustExec("INSERT INTO test VALUES(?)", in) + rows = dbt.mustQuery("SELECT value FROM test WHERE 1=?", 1) + if rows.Next() { + rows.Scan(&out) + if in != out { + dbt.Fatalf("LONGBLOB: length in: %d, length out: %d", len(in), len(out)) + } + if rows.Next() { + dbt.Error("LONGBLOB: unexpexted row") + } + } else { + if err = rows.Err(); err != nil { + dbt.Fatalf("LONGBLOB: no data (err: %s)", err.Error()) + } else { + dbt.Fatal("LONGBLOB: no data (err: <nil>)") + } + } + }) +} + +func TestLoadData(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + verifyLoadDataResult := func() { + rows, err := dbt.db.Query("SELECT * FROM test") + if err != nil { + dbt.Fatal(err.Error()) + } + + i := 0 + values := [4]string{ + "a string", + "a string containing a \t", + "a string containing a \n", + "a string containing both \t\n", + } + + var id int + var value string + + for rows.Next() { + i++ + err = rows.Scan(&id, &value) + if err != nil { + dbt.Fatal(err.Error()) + } + if i != id { + dbt.Fatalf("%d != %d", i, id) + } + if values[i-1] != value { + dbt.Fatalf("%q != %q", values[i-1], value) + } + } + err = rows.Err() + if err != nil { + dbt.Fatal(err.Error()) + } + + if i != 4 { + dbt.Fatalf("rows count mismatch. Got %d, want 4", i) + } + } + file, err := ioutil.TempFile("", "gotest") + defer os.Remove(file.Name()) + if err != nil { + dbt.Fatal(err) + } + file.WriteString("1\ta string\n2\ta string containing a \\t\n3\ta string containing a \\n\n4\ta string containing both \\t\\n\n") + file.Close() + + dbt.db.Exec("DROP TABLE IF EXISTS test") + dbt.mustExec("CREATE TABLE test (id INT NOT NULL PRIMARY KEY, value TEXT NOT NULL) CHARACTER SET utf8") + + // Local File + RegisterLocalFile(file.Name()) + dbt.mustExec(fmt.Sprintf("LOAD DATA LOCAL INFILE %q INTO TABLE test", file.Name())) + verifyLoadDataResult() + // negative test + _, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'doesnotexist' INTO TABLE test") + if err == nil { + dbt.Fatal("load non-existent file didn't fail") + } else if err.Error() != "local file 'doesnotexist' is not registered" { + dbt.Fatal(err.Error()) + } + + // Empty table + dbt.mustExec("TRUNCATE TABLE test") + + // Reader + RegisterReaderHandler("test", func() io.Reader { + file, err = os.Open(file.Name()) + if err != nil { + dbt.Fatal(err) + } + return file + }) + dbt.mustExec("LOAD DATA LOCAL INFILE 'Reader::test' INTO TABLE test") + verifyLoadDataResult() + // negative test + _, err = dbt.db.Exec("LOAD DATA LOCAL INFILE 'Reader::doesnotexist' INTO TABLE test") + if err == nil { + dbt.Fatal("load non-existent Reader didn't fail") + } else if err.Error() != "Reader 'doesnotexist' is not registered" { + dbt.Fatal(err.Error()) + } + }) +} + +func TestFoundRows(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + dbt.mustExec("CREATE TABLE test (id INT NOT NULL ,data INT NOT NULL)") + dbt.mustExec("INSERT INTO test (id, data) VALUES (0, 0),(0, 0),(1, 0),(1, 0),(1, 1)") + + res := dbt.mustExec("UPDATE test SET data = 1 WHERE id = 0") + count, err := res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 2 { + dbt.Fatalf("Expected 2 affected rows, got %d", count) + } + res = dbt.mustExec("UPDATE test SET data = 1 WHERE id = 1") + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 2 { + dbt.Fatalf("Expected 2 affected rows, got %d", count) + } + }) + runTests(t, dsn+"&clientFoundRows=true", func(dbt *DBTest) { + dbt.mustExec("CREATE TABLE test (id INT NOT NULL ,data INT NOT NULL)") + dbt.mustExec("INSERT INTO test (id, data) VALUES (0, 0),(0, 0),(1, 0),(1, 0),(1, 1)") + + res := dbt.mustExec("UPDATE test SET data = 1 WHERE id = 0") + count, err := res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 2 { + dbt.Fatalf("Expected 2 matched rows, got %d", count) + } + res = dbt.mustExec("UPDATE test SET data = 1 WHERE id = 1") + count, err = res.RowsAffected() + if err != nil { + dbt.Fatalf("res.RowsAffected() returned error: %s", err.Error()) + } + if count != 3 { + dbt.Fatalf("Expected 3 matched rows, got %d", count) + } + }) +} + +func TestStrict(t *testing.T) { + // ALLOW_INVALID_DATES to get rid of stricter modes - we want to test for warnings, not errors + relaxedDsn := dsn + "&sql_mode='ALLOW_INVALID_DATES,NO_AUTO_CREATE_USER'" + // make sure the MySQL version is recent enough with a separate connection + // before running the test + conn, err := MySQLDriver{}.Open(relaxedDsn) + if conn != nil { + conn.Close() + } + if me, ok := err.(*MySQLError); ok && me.Number == 1231 { + // Error 1231: Variable 'sql_mode' can't be set to the value of 'ALLOW_INVALID_DATES' + // => skip test, MySQL server version is too old + return + } + runTests(t, relaxedDsn, func(dbt *DBTest) { + dbt.mustExec("CREATE TABLE test (a TINYINT NOT NULL, b CHAR(4))") + + var queries = [...]struct { + in string + codes []string + }{ + {"DROP TABLE IF EXISTS no_such_table", []string{"1051"}}, + {"INSERT INTO test VALUES(10,'mysql'),(NULL,'test'),(300,'Open Source')", []string{"1265", "1048", "1264", "1265"}}, + } + var err error + + var checkWarnings = func(err error, mode string, idx int) { + if err == nil { + dbt.Errorf("expected STRICT error on query [%s] %s", mode, queries[idx].in) + } + + if warnings, ok := err.(MySQLWarnings); ok { + var codes = make([]string, len(warnings)) + for i := range warnings { + codes[i] = warnings[i].Code + } + if len(codes) != len(queries[idx].codes) { + dbt.Errorf("unexpected STRICT error count on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes) + } + + for i := range warnings { + if codes[i] != queries[idx].codes[i] { + dbt.Errorf("unexpected STRICT error codes on query [%s] %s: Wanted %v, Got %v", mode, queries[idx].in, queries[idx].codes, codes) + return + } + } + + } else { + dbt.Errorf("unexpected error on query [%s] %s: %s", mode, queries[idx].in, err.Error()) + } + } + + // text protocol + for i := range queries { + _, err = dbt.db.Exec(queries[i].in) + checkWarnings(err, "text", i) + } + + var stmt *sql.Stmt + + // binary protocol + for i := range queries { + stmt, err = dbt.db.Prepare(queries[i].in) + if err != nil { + dbt.Errorf("error on preparing query %s: %s", queries[i].in, err.Error()) + } + + _, err = stmt.Exec() + checkWarnings(err, "binary", i) + + err = stmt.Close() + if err != nil { + dbt.Errorf("error on closing stmt for query %s: %s", queries[i].in, err.Error()) + } + } + }) +} + +func TestTLS(t *testing.T) { + tlsTest := func(dbt *DBTest) { + if err := dbt.db.Ping(); err != nil { + if err == ErrNoTLS { + dbt.Skip("server does not support TLS") + } else { + dbt.Fatalf("error on Ping: %s", err.Error()) + } + } + + rows := dbt.mustQuery("SHOW STATUS LIKE 'Ssl_cipher'") + + var variable, value *sql.RawBytes + for rows.Next() { + if err := rows.Scan(&variable, &value); err != nil { + dbt.Fatal(err.Error()) + } + + if value == nil { + dbt.Fatal("no Cipher") + } + } + } + + runTests(t, dsn+"&tls=skip-verify", tlsTest) + + // Verify that registering / using a custom cfg works + RegisterTLSConfig("custom-skip-verify", &tls.Config{ + InsecureSkipVerify: true, + }) + runTests(t, dsn+"&tls=custom-skip-verify", tlsTest) +} + +func TestReuseClosedConnection(t *testing.T) { + // this test does not use sql.database, it uses the driver directly + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + md := &MySQLDriver{} + conn, err := md.Open(dsn) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + stmt, err := conn.Prepare("DO 1") + if err != nil { + t.Fatalf("error preparing statement: %s", err.Error()) + } + _, err = stmt.Exec(nil) + if err != nil { + t.Fatalf("error executing statement: %s", err.Error()) + } + err = conn.Close() + if err != nil { + t.Fatalf("error closing connection: %s", err.Error()) + } + + defer func() { + if err := recover(); err != nil { + t.Errorf("panic after reusing a closed connection: %v", err) + } + }() + _, err = stmt.Exec(nil) + if err != nil && err != driver.ErrBadConn { + t.Errorf("unexpected error '%s', expected '%s'", + err.Error(), driver.ErrBadConn.Error()) + } +} + +func TestCharset(t *testing.T) { + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + mustSetCharset := func(charsetParam, expected string) { + runTests(t, dsn+"&"+charsetParam, func(dbt *DBTest) { + rows := dbt.mustQuery("SELECT @@character_set_connection") + defer rows.Close() + + if !rows.Next() { + dbt.Fatalf("error getting connection charset: %s", rows.Err()) + } + + var got string + rows.Scan(&got) + + if got != expected { + dbt.Fatalf("expected connection charset %s but got %s", expected, got) + } + }) + } + + // non utf8 test + mustSetCharset("charset=ascii", "ascii") + + // when the first charset is invalid, use the second + mustSetCharset("charset=none,utf8", "utf8") + + // when the first charset is valid, use it + mustSetCharset("charset=ascii,utf8", "ascii") + mustSetCharset("charset=utf8,ascii", "utf8") +} + +func TestFailingCharset(t *testing.T) { + runTests(t, dsn+"&charset=none", func(dbt *DBTest) { + // run query to really establish connection... + _, err := dbt.db.Exec("SELECT 1") + if err == nil { + dbt.db.Close() + t.Fatalf("connection must not succeed without a valid charset") + } + }) +} + +func TestCollation(t *testing.T) { + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + defaultCollation := "utf8_general_ci" + testCollations := []string{ + "", // do not set + defaultCollation, // driver default + "latin1_general_ci", + "binary", + "utf8_unicode_ci", + "cp1257_bin", + } + + for _, collation := range testCollations { + var expected, tdsn string + if collation != "" { + tdsn = dsn + "&collation=" + collation + expected = collation + } else { + tdsn = dsn + expected = defaultCollation + } + + runTests(t, tdsn, func(dbt *DBTest) { + var got string + if err := dbt.db.QueryRow("SELECT @@collation_connection").Scan(&got); err != nil { + dbt.Fatal(err) + } + + if got != expected { + dbt.Fatalf("expected connection collation %s but got %s", expected, got) + } + }) + } +} + +func TestColumnsWithAlias(t *testing.T) { + runTests(t, dsn+"&columnsWithAlias=true", func(dbt *DBTest) { + rows := dbt.mustQuery("SELECT 1 AS A") + defer rows.Close() + cols, _ := rows.Columns() + if len(cols) != 1 { + t.Fatalf("expected 1 column, got %d", len(cols)) + } + if cols[0] != "A" { + t.Fatalf("expected column name \"A\", got \"%s\"", cols[0]) + } + rows.Close() + + rows = dbt.mustQuery("SELECT * FROM (SELECT 1 AS one) AS A") + cols, _ = rows.Columns() + if len(cols) != 1 { + t.Fatalf("expected 1 column, got %d", len(cols)) + } + if cols[0] != "A.one" { + t.Fatalf("expected column name \"A.one\", got \"%s\"", cols[0]) + } + }) +} + +func TestRawBytesResultExceedsBuffer(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + // defaultBufSize from buffer.go + expected := strings.Repeat("abc", defaultBufSize) + + rows := dbt.mustQuery("SELECT '" + expected + "'") + defer rows.Close() + if !rows.Next() { + dbt.Error("expected result, got none") + } + var result sql.RawBytes + rows.Scan(&result) + if expected != string(result) { + dbt.Error("result did not match expected value") + } + }) +} + +func TestTimezoneConversion(t *testing.T) { + zones := []string{"UTC", "US/Central", "US/Pacific", "Local"} + + // Regression test for timezone handling + tzTest := func(dbt *DBTest) { + + // Create table + dbt.mustExec("CREATE TABLE test (ts TIMESTAMP)") + + // Insert local time into database (should be converted) + usCentral, _ := time.LoadLocation("US/Central") + reftime := time.Date(2014, 05, 30, 18, 03, 17, 0, time.UTC).In(usCentral) + dbt.mustExec("INSERT INTO test VALUE (?)", reftime) + + // Retrieve time from DB + rows := dbt.mustQuery("SELECT ts FROM test") + if !rows.Next() { + dbt.Fatal("did not get any rows out") + } + + var dbTime time.Time + err := rows.Scan(&dbTime) + if err != nil { + dbt.Fatal("Err", err) + } + + // Check that dates match + if reftime.Unix() != dbTime.Unix() { + dbt.Errorf("times do not match.\n") + dbt.Errorf(" Now(%v)=%v\n", usCentral, reftime) + dbt.Errorf(" Now(UTC)=%v\n", dbTime) + } + } + + for _, tz := range zones { + runTests(t, dsn+"&parseTime=true&loc="+url.QueryEscape(tz), tzTest) + } +} + +// Special cases + +func TestRowsClose(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + rows, err := dbt.db.Query("SELECT 1") + if err != nil { + dbt.Fatal(err) + } + + err = rows.Close() + if err != nil { + dbt.Fatal(err) + } + + if rows.Next() { + dbt.Fatal("unexpected row after rows.Close()") + } + + err = rows.Err() + if err != nil { + dbt.Fatal(err) + } + }) +} + +// dangling statements +// http://code.google.com/p/go/issues/detail?id=3865 +func TestCloseStmtBeforeRows(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + stmt, err := dbt.db.Prepare("SELECT 1") + if err != nil { + dbt.Fatal(err) + } + + rows, err := stmt.Query() + if err != nil { + stmt.Close() + dbt.Fatal(err) + } + defer rows.Close() + + err = stmt.Close() + if err != nil { + dbt.Fatal(err) + } + + if !rows.Next() { + dbt.Fatal("getting row failed") + } else { + err = rows.Err() + if err != nil { + dbt.Fatal(err) + } + + var out bool + err = rows.Scan(&out) + if err != nil { + dbt.Fatalf("error on rows.Scan(): %s", err.Error()) + } + if out != true { + dbt.Errorf("true != %t", out) + } + } + }) +} + +// It is valid to have multiple Rows for the same Stmt +// http://code.google.com/p/go/issues/detail?id=3734 +func TestStmtMultiRows(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + stmt, err := dbt.db.Prepare("SELECT 1 UNION SELECT 0") + if err != nil { + dbt.Fatal(err) + } + + rows1, err := stmt.Query() + if err != nil { + stmt.Close() + dbt.Fatal(err) + } + defer rows1.Close() + + rows2, err := stmt.Query() + if err != nil { + stmt.Close() + dbt.Fatal(err) + } + defer rows2.Close() + + var out bool + + // 1 + if !rows1.Next() { + dbt.Fatal("first rows1.Next failed") + } else { + err = rows1.Err() + if err != nil { + dbt.Fatal(err) + } + + err = rows1.Scan(&out) + if err != nil { + dbt.Fatalf("error on rows.Scan(): %s", err.Error()) + } + if out != true { + dbt.Errorf("true != %t", out) + } + } + + if !rows2.Next() { + dbt.Fatal("first rows2.Next failed") + } else { + err = rows2.Err() + if err != nil { + dbt.Fatal(err) + } + + err = rows2.Scan(&out) + if err != nil { + dbt.Fatalf("error on rows.Scan(): %s", err.Error()) + } + if out != true { + dbt.Errorf("true != %t", out) + } + } + + // 2 + if !rows1.Next() { + dbt.Fatal("second rows1.Next failed") + } else { + err = rows1.Err() + if err != nil { + dbt.Fatal(err) + } + + err = rows1.Scan(&out) + if err != nil { + dbt.Fatalf("error on rows.Scan(): %s", err.Error()) + } + if out != false { + dbt.Errorf("false != %t", out) + } + + if rows1.Next() { + dbt.Fatal("unexpected row on rows1") + } + err = rows1.Close() + if err != nil { + dbt.Fatal(err) + } + } + + if !rows2.Next() { + dbt.Fatal("second rows2.Next failed") + } else { + err = rows2.Err() + if err != nil { + dbt.Fatal(err) + } + + err = rows2.Scan(&out) + if err != nil { + dbt.Fatalf("error on rows.Scan(): %s", err.Error()) + } + if out != false { + dbt.Errorf("false != %t", out) + } + + if rows2.Next() { + dbt.Fatal("unexpected row on rows2") + } + err = rows2.Close() + if err != nil { + dbt.Fatal(err) + } + } + }) +} + +// Regression test for +// * more than 32 NULL parameters (issue 209) +// * more parameters than fit into the buffer (issue 201) +func TestPreparedManyCols(t *testing.T) { + const numParams = defaultBufSize + runTests(t, dsn, func(dbt *DBTest) { + query := "SELECT ?" + strings.Repeat(",?", numParams-1) + stmt, err := dbt.db.Prepare(query) + if err != nil { + dbt.Fatal(err) + } + defer stmt.Close() + // create more parameters than fit into the buffer + // which will take nil-values + params := make([]interface{}, numParams) + rows, err := stmt.Query(params...) + if err != nil { + stmt.Close() + dbt.Fatal(err) + } + defer rows.Close() + }) +} + +func TestConcurrent(t *testing.T) { + if enabled, _ := readBool(os.Getenv("MYSQL_TEST_CONCURRENT")); !enabled { + t.Skip("MYSQL_TEST_CONCURRENT env var not set") + } + + runTests(t, dsn, func(dbt *DBTest) { + var max int + err := dbt.db.QueryRow("SELECT @@max_connections").Scan(&max) + if err != nil { + dbt.Fatalf("%s", err.Error()) + } + dbt.Logf("testing up to %d concurrent connections \r\n", max) + + var remaining, succeeded int32 = int32(max), 0 + + var wg sync.WaitGroup + wg.Add(max) + + var fatalError string + var once sync.Once + fatalf := func(s string, vals ...interface{}) { + once.Do(func() { + fatalError = fmt.Sprintf(s, vals...) + }) + } + + for i := 0; i < max; i++ { + go func(id int) { + defer wg.Done() + + tx, err := dbt.db.Begin() + atomic.AddInt32(&remaining, -1) + + if err != nil { + if err.Error() != "Error 1040: Too many connections" { + fatalf("error on conn %d: %s", id, err.Error()) + } + return + } + + // keep the connection busy until all connections are open + for remaining > 0 { + if _, err = tx.Exec("DO 1"); err != nil { + fatalf("error on conn %d: %s", id, err.Error()) + return + } + } + + if err = tx.Commit(); err != nil { + fatalf("error on conn %d: %s", id, err.Error()) + return + } + + // everything went fine with this connection + atomic.AddInt32(&succeeded, 1) + }(i) + } + + // wait until all conections are open + wg.Wait() + + if fatalError != "" { + dbt.Fatal(fatalError) + } + + dbt.Logf("reached %d concurrent connections\r\n", succeeded) + }) +} + +// Tests custom dial functions +func TestCustomDial(t *testing.T) { + if !available { + t.Skipf("MySQL server not running on %s", netAddr) + } + + // our custom dial function which justs wraps net.Dial here + RegisterDial("mydial", func(addr string) (net.Conn, error) { + return net.Dial(prot, addr) + }) + + db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@mydial(%s)/%s?timeout=30s&strict=true", user, pass, addr, dbname)) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db.Close() + + if _, err = db.Exec("DO 1"); err != nil { + t.Fatalf("connection failed: %s", err.Error()) + } +} + +func TestSQLInjection(t *testing.T) { + createTest := func(arg string) func(dbt *DBTest) { + return func(dbt *DBTest) { + dbt.mustExec("CREATE TABLE test (v INTEGER)") + dbt.mustExec("INSERT INTO test VALUES (?)", 1) + + var v int + // NULL can't be equal to anything, the idea here is to inject query so it returns row + // This test verifies that escapeQuotes and escapeBackslash are working properly + err := dbt.db.QueryRow("SELECT v FROM test WHERE NULL = ?", arg).Scan(&v) + if err == sql.ErrNoRows { + return // success, sql injection failed + } else if err == nil { + dbt.Errorf("sql injection successful with arg: %s", arg) + } else { + dbt.Errorf("error running query with arg: %s; err: %s", arg, err.Error()) + } + } + } + + dsns := []string{ + dsn, + dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'", + } + for _, testdsn := range dsns { + runTests(t, testdsn, createTest("1 OR 1=1")) + runTests(t, testdsn, createTest("' OR '1'='1")) + } +} + +// Test if inserted data is correctly retrieved after being escaped +func TestInsertRetrieveEscapedData(t *testing.T) { + testData := func(dbt *DBTest) { + dbt.mustExec("CREATE TABLE test (v VARCHAR(255))") + + // All sequences that are escaped by escapeQuotes and escapeBackslash + v := "foo \x00\n\r\x1a\"'\\" + dbt.mustExec("INSERT INTO test VALUES (?)", v) + + var out string + err := dbt.db.QueryRow("SELECT v FROM test").Scan(&out) + if err != nil { + dbt.Fatalf("%s", err.Error()) + } + + if out != v { + dbt.Errorf("%q != %q", out, v) + } + } + + dsns := []string{ + dsn, + dsn + "&sql_mode='NO_BACKSLASH_ESCAPES,NO_AUTO_CREATE_USER'", + } + for _, testdsn := range dsns { + runTests(t, testdsn, testData) + } +} + +func TestUnixSocketAuthFail(t *testing.T) { + runTests(t, dsn, func(dbt *DBTest) { + // Save the current logger so we can restore it. + oldLogger := errLog + + // Set a new logger so we can capture its output. + buffer := bytes.NewBuffer(make([]byte, 0, 64)) + newLogger := log.New(buffer, "prefix: ", 0) + SetLogger(newLogger) + + // Restore the logger. + defer SetLogger(oldLogger) + + // Make a new DSN that uses the MySQL socket file and a bad password, which + // we can make by simply appending any character to the real password. + badPass := pass + "x" + socket := "" + if prot == "unix" { + socket = addr + } else { + // Get socket file from MySQL. + err := dbt.db.QueryRow("SELECT @@socket").Scan(&socket) + if err != nil { + t.Fatalf("error on SELECT @@socket: %s", err.Error()) + } + } + t.Logf("socket: %s", socket) + badDSN := fmt.Sprintf("%s:%s@unix(%s)/%s?timeout=30s&strict=true", user, badPass, socket, dbname) + db, err := sql.Open("mysql", badDSN) + if err != nil { + t.Fatalf("error connecting: %s", err.Error()) + } + defer db.Close() + + // Connect to MySQL for real. This will cause an auth failure. + err = db.Ping() + if err == nil { + t.Error("expected Ping() to return an error") + } + + // The driver should not log anything. + if actual := buffer.String(); actual != "" { + t.Errorf("expected no output, got %q", actual) + } + }) +} |