github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/mysql/enum_test.go (about)

     1  // Copyright 2015 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package mysql
    15  
    16  import (
    17  	. "github.com/insionng/yougam/libraries/pingcap/check"
    18  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/testleak"
    19  )
    20  
    21  var _ = Suite(&testEnumSuite{})
    22  
    23  type testEnumSuite struct {
    24  }
    25  
    26  func (s *testEnumSuite) TestEnum(c *C) {
    27  	defer testleak.AfterTest(c)()
    28  	tbl := []struct {
    29  		Elems    []string
    30  		Name     string
    31  		Expected int
    32  	}{
    33  		{[]string{"a", "b"}, "a", 1},
    34  		{[]string{"a"}, "b", 0},
    35  		{[]string{"a"}, "1", 1},
    36  	}
    37  
    38  	for _, t := range tbl {
    39  		e, err := ParseEnumName(t.Elems, t.Name)
    40  		if t.Expected == 0 {
    41  			c.Assert(err, NotNil)
    42  			c.Assert(e.ToNumber(), Equals, float64(0))
    43  			c.Assert(e.String(), Equals, "")
    44  			continue
    45  		}
    46  
    47  		c.Assert(err, IsNil)
    48  		c.Assert(e.String(), Equals, t.Elems[t.Expected-1])
    49  		c.Assert(e.ToNumber(), Equals, float64(t.Expected))
    50  	}
    51  
    52  	tblNumber := []struct {
    53  		Elems    []string
    54  		Number   uint64
    55  		Expected int
    56  	}{
    57  		{[]string{"a"}, 1, 1},
    58  		{[]string{"a"}, 0, 0},
    59  	}
    60  
    61  	for _, t := range tblNumber {
    62  		e, err := ParseEnumValue(t.Elems, t.Number)
    63  		if t.Expected == 0 {
    64  			c.Assert(err, NotNil)
    65  			continue
    66  		}
    67  
    68  		c.Assert(err, IsNil)
    69  		c.Assert(e.ToNumber(), Equals, float64(t.Expected))
    70  	}
    71  }