Files
tidb/expression/convert_test.go
2015-09-21 18:02:27 +08:00

79 lines
1.6 KiB
Go

// Copyright 2015 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 (
. "github.com/pingcap/check"
)
var _ = Suite(&testConvertSuite{})
type testConvertSuite struct {
}
func (*testConvertSuite) TestConvert(c *C) {
tbl := []struct {
str string
cs string
result string
}{
{"haha", "utf8", "haha"},
{"haha", "ascii", "haha"},
}
for _, v := range tbl {
f := FunctionConvert{
Expr: &Value{Val: v.str},
Charset: v.cs,
}
c.Assert(f.IsStatic(), Equals, true)
fs := f.String()
c.Assert(len(fs), Greater, 0)
f1 := f.Clone()
c.Assert(f1, NotNil)
r, err := f.Eval(nil, nil)
c.Assert(err, IsNil)
s, ok := r.(string)
c.Assert(ok, Equals, true)
c.Assert(s, Equals, v.result)
r1, err := f1.Eval(nil, nil)
c.Assert(err, IsNil)
s1, ok := r1.(string)
c.Assert(ok, Equals, true)
c.Assert(s, Equals, s1)
}
// Test case for error
errTbl := []struct {
str interface{}
cs string
result string
}{
{"haha", "wrongcharset", "haha"},
}
for _, v := range errTbl {
f := FunctionConvert{
Expr: &Value{Val: v.str},
Charset: v.cs,
}
_, err := f.Eval(nil, nil)
c.Assert(err, NotNil)
}
}