github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/soliton/plancodec/codec_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, 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 plancodec
    15  
    16  import (
    17  	. "github.com/whtcorpsinc/check"
    18  	"github.com/whtcorpsinc/milevadb/ekv"
    19  )
    20  
    21  var _ = Suite(&testCausetCodecSuite{})
    22  
    23  type testCausetCodecSuite struct{}
    24  
    25  type encodeTaskTypeCase struct {
    26  	IsRoot     bool
    27  	StoreType  ekv.StoreType
    28  	EncodedStr string
    29  	DecodedStr string
    30  }
    31  
    32  func (s *testCausetCodecSuite) TestEncodeTaskType(c *C) {
    33  	cases := []encodeTaskTypeCase{
    34  		{true, ekv.UnSpecified, "0", "root"},
    35  		{false, ekv.EinsteinDB, "1_0", "cop[einsteindb]"},
    36  		{false, ekv.TiFlash, "1_1", "cop[tiflash]"},
    37  		{false, ekv.MilevaDB, "1_2", "cop[milevadb]"},
    38  	}
    39  	for _, cas := range cases {
    40  		c.Assert(EncodeTaskType(cas.IsRoot, cas.StoreType), Equals, cas.EncodedStr)
    41  		str, err := decodeTaskType(cas.EncodedStr)
    42  		c.Assert(err, IsNil)
    43  		c.Assert(str, Equals, cas.DecodedStr)
    44  	}
    45  
    46  	str, err := decodeTaskType("1")
    47  	c.Assert(err, IsNil)
    48  	c.Assert(str, Equals, "cop")
    49  
    50  	_, err = decodeTaskType("1_x")
    51  	c.Assert(err, NotNil)
    52  }