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processlist_test.go
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processlist_test.go
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// Copyright 2021 Dolthub, 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sqle
import (
"context"
"sort"
"testing"
"github.com/stretchr/testify/require"
"github.com/dolthub/go-mysql-server/sql"
)
func TestProcessList(t *testing.T) {
require := require.New(t)
clientHostOne := "127.0.0.1:34567"
clientHostTwo := "127.0.0.1:34568"
p := NewProcessList()
p.AddConnection(1, clientHostOne)
sess := sql.NewBaseSessionWithClientServer("0.0.0.0:3306", sql.Client{Address: clientHostOne, User: "foo"}, 1)
p.ConnectionReady(sess)
ctx := sql.NewContext(context.Background(), sql.WithPid(1), sql.WithSession(sess))
ctx, err := p.BeginQuery(ctx, "SELECT foo")
require.NoError(err)
require.Equal(uint64(1), ctx.Pid())
require.Len(p.procs, 1)
p.AddTableProgress(ctx.Pid(), "a", 5)
p.AddTableProgress(ctx.Pid(), "b", 6)
expectedProcess := &sql.Process{
QueryPid: 1,
Connection: 1,
Host: clientHostOne,
Progress: map[string]sql.TableProgress{
"a": {sql.Progress{Name: "a", Done: 0, Total: 5}, map[string]sql.PartitionProgress{}},
"b": {sql.Progress{Name: "b", Done: 0, Total: 6}, map[string]sql.PartitionProgress{}},
},
User: "foo",
Query: "SELECT foo",
Command: sql.ProcessCommandQuery,
StartedAt: p.procs[1].StartedAt,
}
require.NotNil(p.procs[1].Kill)
p.procs[1].Kill = nil
require.Equal(expectedProcess, p.procs[1])
p.AddPartitionProgress(ctx.Pid(), "b", "b-1", -1)
p.AddPartitionProgress(ctx.Pid(), "b", "b-2", -1)
p.AddPartitionProgress(ctx.Pid(), "b", "b-3", -1)
p.UpdatePartitionProgress(ctx.Pid(), "b", "b-2", 1)
p.RemovePartitionProgress(ctx.Pid(), "b", "b-3")
expectedProgress := map[string]sql.TableProgress{
"a": {sql.Progress{Name: "a", Total: 5}, map[string]sql.PartitionProgress{}},
"b": {sql.Progress{Name: "b", Total: 6}, map[string]sql.PartitionProgress{
"b-1": {sql.Progress{Name: "b-1", Done: 0, Total: -1}},
"b-2": {sql.Progress{Name: "b-2", Done: 1, Total: -1}},
}},
}
require.Equal(expectedProgress, p.procs[1].Progress)
p.AddConnection(2, clientHostTwo)
sess = sql.NewBaseSessionWithClientServer("0.0.0.0:3306", sql.Client{Address: clientHostTwo, User: "foo"}, 2)
p.ConnectionReady(sess)
ctx = sql.NewContext(context.Background(), sql.WithPid(2), sql.WithSession(sess))
ctx, err = p.BeginQuery(ctx, "SELECT bar")
require.NoError(err)
p.AddTableProgress(ctx.Pid(), "foo", 2)
require.Equal(uint64(2), ctx.Pid())
require.Len(p.procs, 2)
p.UpdateTableProgress(1, "a", 3)
p.UpdateTableProgress(1, "a", 1)
p.UpdateTableProgress(1, "b", 2)
p.UpdateTableProgress(2, "foo", 1)
require.Equal(int64(4), p.procs[1].Progress["a"].Done)
require.Equal(int64(2), p.procs[1].Progress["b"].Done)
require.Equal(int64(1), p.procs[2].Progress["foo"].Done)
var expected []sql.Process
for _, p := range p.procs {
np := *p
np.Kill = nil
expected = append(expected, np)
}
result := p.Processes()
for i := range result {
result[i].Kill = nil
}
sortById(expected)
sortById(result)
require.Equal(expected, result)
p.EndQuery(ctx)
require.Len(p.procs, 2)
proc, ok := p.procs[2]
require.True(ok)
require.Equal(sql.ProcessCommandSleep, proc.Command)
}
func sortById(slice []sql.Process) {
sort.Slice(slice, func(i, j int) bool {
return slice[i].Connection < slice[j].Connection
})
}
func TestKillConnection(t *testing.T) {
pl := NewProcessList()
pl.AddConnection(1, "")
pl.AddConnection(2, "")
s1 := sql.NewBaseSessionWithClientServer("", sql.Client{}, 1)
s2 := sql.NewBaseSessionWithClientServer("", sql.Client{}, 2)
pl.ConnectionReady(s1)
pl.ConnectionReady(s2)
_, err := pl.BeginQuery(
sql.NewContext(context.Background(), sql.WithPid(3), sql.WithSession(s1)),
"foo",
)
require.NoError(t, err)
_, err = pl.BeginQuery(
sql.NewContext(context.Background(), sql.WithPid(4), sql.WithSession(s2)),
"foo",
)
require.NoError(t, err)
var killed = make(map[uint64]bool)
pl.procs[1].Kill = func() {
killed[1] = true
}
pl.procs[2].Kill = func() {
killed[2] = true
}
pl.Kill(1)
require.Len(t, pl.procs, 2)
require.True(t, killed[1])
require.False(t, killed[2])
}