github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/evaluator/builtin_info_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 evaluator
    15  
    16  import (
    17  	. "github.com/insionng/yougam/libraries/pingcap/check"
    18  	"github.com/insionng/yougam/libraries/pingcap/tidb/mysql"
    19  	"github.com/insionng/yougam/libraries/pingcap/tidb/sessionctx/db"
    20  	"github.com/insionng/yougam/libraries/pingcap/tidb/sessionctx/variable"
    21  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/mock"
    22  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/testleak"
    23  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/types"
    24  )
    25  
    26  func (s *testEvaluatorSuite) TestDatabase(c *C) {
    27  	defer testleak.AfterTest(c)()
    28  	ctx := mock.NewContext()
    29  	d, err := builtinDatabase(types.MakeDatums(), ctx)
    30  	c.Assert(err, IsNil)
    31  	c.Assert(d.Kind(), Equals, types.KindNull)
    32  
    33  	db.BindCurrentSchema(ctx, "test")
    34  	d, err = builtinDatabase(types.MakeDatums(), ctx)
    35  	c.Assert(err, IsNil)
    36  	c.Assert(d.GetString(), Equals, "test")
    37  }
    38  
    39  func (s *testEvaluatorSuite) TestFoundRows(c *C) {
    40  	defer testleak.AfterTest(c)()
    41  	ctx := mock.NewContext()
    42  	d, err := builtinFoundRows(types.MakeDatums(), ctx)
    43  	c.Assert(err, NotNil)
    44  
    45  	variable.BindSessionVars(ctx)
    46  
    47  	d, err = builtinFoundRows(types.MakeDatums(), ctx)
    48  	c.Assert(err, IsNil)
    49  	c.Assert(d.GetUint64(), Equals, uint64(0))
    50  }
    51  
    52  func (s *testEvaluatorSuite) TestUser(c *C) {
    53  	defer testleak.AfterTest(c)()
    54  	ctx := mock.NewContext()
    55  	variable.BindSessionVars(ctx)
    56  	sessionVars := variable.GetSessionVars(ctx)
    57  	sessionVars.User = "root@localhost"
    58  
    59  	d, err := builtinUser(types.MakeDatums(), ctx)
    60  	c.Assert(err, IsNil)
    61  	c.Assert(d.GetString(), Equals, "root@localhost")
    62  }
    63  
    64  func (s *testEvaluatorSuite) TestCurrentUser(c *C) {
    65  	defer testleak.AfterTest(c)()
    66  	ctx := mock.NewContext()
    67  	variable.BindSessionVars(ctx)
    68  	sessionVars := variable.GetSessionVars(ctx)
    69  	sessionVars.User = "root@localhost"
    70  
    71  	d, err := builtinCurrentUser(types.MakeDatums(), ctx)
    72  	c.Assert(err, IsNil)
    73  	c.Assert(d.GetString(), Equals, "root@localhost")
    74  }
    75  
    76  func (s *testEvaluatorSuite) TestConnectionID(c *C) {
    77  	defer testleak.AfterTest(c)()
    78  	ctx := mock.NewContext()
    79  	variable.BindSessionVars(ctx)
    80  	sessionVars := variable.GetSessionVars(ctx)
    81  	sessionVars.ConnectionID = uint64(1)
    82  
    83  	d, err := builtinConnectionID(types.MakeDatums(), ctx)
    84  	c.Assert(err, IsNil)
    85  	c.Assert(d.GetUint64(), Equals, uint64(1))
    86  }
    87  
    88  func (s *testEvaluatorSuite) TestVersion(c *C) {
    89  	defer testleak.AfterTest(c)()
    90  	ctx := mock.NewContext()
    91  	v, err := builtinVersion(nil, ctx)
    92  	c.Assert(err, IsNil)
    93  	c.Assert(v.GetString(), Equals, mysql.ServerVersion)
    94  }