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builtin_miscellaneous_test.go
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// Copyright 2017 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
// // Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package expression
import (
"math"
"strings"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/testutil"
"github.com/pingcap/tidb/util/types"
)
func (s *testEvaluatorSuite) TestInetAton(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input interface{}
Expected interface{}
}{
{"", nil},
{nil, nil},
{"255.255.255.255", 4294967295},
{"0.0.0.0", 0},
{"127.0.0.1", 2130706433},
{"0.0.0.256", nil},
{"113.14.22.3", 1896748547},
{"127", 127},
{"127.255", 2130706687},
{"127,256", nil},
{"127.2.1", 2130837505},
{"123.2.1.", nil},
{"127.0.0.1.1", nil},
}
dtbl := tblToDtbl(tbl)
fc := funcs[ast.InetAton]
for _, t := range dtbl {
f, err := fc.getFunction(datumsToConstants(t["Input"]), s.ctx)
c.Assert(err, IsNil)
d, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(d, testutil.DatumEquals, t["Expected"][0])
}
}
func (s *testEvaluatorSuite) TestIsIPv4(c *C) {
tests := []struct {
ip string
expect interface{}
}{
{"192.168.1.1", 1},
{"255.255.255.255", 1},
{"10.t.255.255", 0},
{"10.1.2.3.4", 0},
{"2001:250:207:0:0:eef2::1", 0},
{"::ffff:1.2.3.4", 0},
{"1...1", 0},
{"192.168.1.", 0},
{".168.1.2", 0},
{"168.1.2", 0},
{"1.2.3.4.5", 0},
}
fc := funcs[ast.IsIPv4]
for _, test := range tests {
ip := types.NewStringDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
// test NULL input for is_ipv4
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r, testutil.DatumEquals, types.NewDatum(0))
}
func (s *testEvaluatorSuite) TestUUID(c *C) {
defer testleak.AfterTest(c)()
f, err := newFunctionForTest(s.ctx, ast.UUID)
c.Assert(err, IsNil)
d, err := f.Eval(nil)
c.Assert(err, IsNil)
parts := strings.Split(d.GetString(), "-")
c.Assert(len(parts), Equals, 5)
for i, p := range parts {
switch i {
case 0:
c.Assert(len(p), Equals, 8)
case 1:
c.Assert(len(p), Equals, 4)
case 2:
c.Assert(len(p), Equals, 4)
case 3:
c.Assert(len(p), Equals, 4)
case 4:
c.Assert(len(p), Equals, 12)
}
}
bf, err := funcs[ast.UUID].getFunction(datumsToConstants(nil), s.ctx)
c.Assert(err, IsNil)
c.Assert(bf.isDeterministic(), IsFalse)
}
func (s *testEvaluatorSuite) TestAnyValue(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
arg interface{}
ret interface{}
}{
{nil, nil},
{1234, 1234},
{-0x99, -0x99},
{3.1415926, 3.1415926},
{"Hello, World", "Hello, World"},
}
for _, t := range tbl {
fc := funcs[ast.AnyValue]
f, err := fc.getFunction(datumsToConstants(types.MakeDatums(t.arg)), s.ctx)
c.Assert(err, IsNil)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r, testutil.DatumEquals, types.NewDatum(t.ret))
}
}
func (s *testEvaluatorSuite) TestIsIPv6(c *C) {
tests := []struct {
ip string
expect interface{}
}{
{"2001:250:207:0:0:eef2::1", 1},
{"2001:0250:0207:0001:0000:0000:0000:ff02", 1},
{"2001:250:207::eff2::1，", 0},
{"192.168.1.1", 0},
{"::ffff:1.2.3.4", 1},
}
fc := funcs[ast.IsIPv6]
for _, test := range tests {
ip := types.NewStringDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
// test NULL input for is_ipv6
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r, testutil.DatumEquals, types.NewDatum(0))
}
func (s *testEvaluatorSuite) TestInetNtoa(c *C) {
tests := []struct {
ip int
expect interface{}
}{
{167773449, "10.0.5.9"},
{2063728641, "123.2.0.1"},
{0, "0.0.0.0"},
{545460846593, nil},
{-1, nil},
{math.MaxUint32, "255.255.255.255"},
}
fc := funcs[ast.InetNtoa]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestInet6NtoA(c *C) {
tests := []struct {
ip []byte
expect interface{}
}{
// Success cases
{[]byte{0x00, 0x00, 0x00, 0x00}, "0.0.0.0"},
{[]byte{0x0A, 0x00, 0x05, 0x09}, "10.0.5.9"},
{[]byte{0xFD, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0x55, 0xCA, 0xFF, 0xFE,
0xFA, 0x90, 0x89}, "fdfe::5a55:caff:fefa:9089"},
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x01,
0x02, 0x03, 0x04}, "::ffff:1.2.3.4"},
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF}, "::ffff:255.255.255.255"},
// Fail cases
{[]byte{}, nil}, // missing bytes
{[]byte{0x0A, 0x00, 0x05}, nil}, // missing a byte ipv4
{[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF}, nil}, // missing a byte ipv6
}
fc := funcs[ast.Inet6Ntoa]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestInet6AtoN(c *C) {
tests := []struct {
ip string
expect interface{}
}{
{"0.0.0.0", []byte{0x00, 0x00, 0x00, 0x00}},
{"10.0.5.9", []byte{0x0A, 0x00, 0x05, 0x09}},
{"fdfe::5a55:caff:fefa:9089", []byte{0xFD, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0x55, 0xCA, 0xFF, 0xFE, 0xFA, 0x90, 0x89}},
{"::ffff:1.2.3.4", []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04}},
{"", nil},
{"Not IP address", nil},
{"::ffff:255.255.255.255", []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}},
}
fc := funcs[ast.Inet6Aton]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) TestIsIPv4Mapped(c *C) {
tests := []struct {
ip []byte
expect interface{}
}{
{[]byte{}, 0},
{[]byte{0x10, 0x10, 0x10, 0x10}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 1},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6}, 0},
}
fc := funcs[ast.IsIPv4Mapped]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r, testutil.DatumEquals, types.NewDatum(0))
}
func (s *testEvaluatorSuite) TestIsIPv4Compat(c *C) {
tests := []struct {
ip []byte
expect interface{}
}{
{[]byte{}, 0},
{[]byte{0x10, 0x10, 0x10, 0x10}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x4}, 1},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xff, 0xff, 0x1, 0x2, 0x3, 0x4}, 0},
{[]byte{0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6}, 0},
}
fc := funcs[ast.IsIPv4Compat]
for _, test := range tests {
ip := types.NewDatum(test.ip)
f, err := fc.getFunction(datumsToConstants([]types.Datum{ip}), s.ctx)
c.Assert(err, IsNil)
result, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(result, testutil.DatumEquals, types.NewDatum(test.expect))
}
var argNull types.Datum
f, _ := fc.getFunction(datumsToConstants([]types.Datum{argNull}), s.ctx)
r, err := f.eval(nil)
c.Assert(err, IsNil)
c.Assert(r, testutil.DatumEquals, types.NewDatum(0))
}