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72 lines
1.9 KiB
72 lines
1.9 KiB
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package variable
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/util/testleak"
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)
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var _ = Suite(&testStatusVarSuite{})
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type testStatusVarSuite struct {
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ms *mockStatistics
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}
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func (s *testStatusVarSuite) SetUpSuite(c *C) {
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s.ms = &mockStatistics{}
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RegisterStatistics(s.ms)
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}
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// mockStatistics represents mocked statistics.
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type mockStatistics struct{}
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const (
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testStatus = "test_status"
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testSessionStatus = "test_session_status"
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testStatusVal = "test_status_val"
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)
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var specificStatusScopes = map[string]ScopeFlag{
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testSessionStatus: ScopeSession,
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}
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func (ms *mockStatistics) GetScope(status string) ScopeFlag {
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scope, ok := specificStatusScopes[status]
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if !ok {
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return DefaultStatusVarScopeFlag
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}
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return scope
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}
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func (ms *mockStatistics) Stats(vars *SessionVars) (map[string]interface{}, error) {
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m := make(map[string]interface{}, len(specificStatusScopes))
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m[testStatus] = testStatusVal
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return m, nil
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}
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func (s *testStatusVarSuite) TestStatusVar(c *C) {
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defer testleak.AfterTest(c)()
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scope := s.ms.GetScope(testStatus)
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c.Assert(scope, Equals, DefaultStatusVarScopeFlag)
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scope = s.ms.GetScope(testSessionStatus)
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c.Assert(scope, Equals, ScopeSession)
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vars, err := GetStatusVars(nil)
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c.Assert(err, IsNil)
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v := &StatusVal{Scope: DefaultStatusVarScopeFlag, Value: testStatusVal}
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c.Assert(v, DeepEquals, vars[testStatus])
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}
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