56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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Copyright 2018 The containerd Authors.
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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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    http://www.apache.org/licenses/LICENSE-2.0
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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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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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*/
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package server
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import (
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	"testing"
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	"github.com/containerd/cgroups"
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	"github.com/stretchr/testify/assert"
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)
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func TestGetWorkingSet(t *testing.T) {
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	for desc, test := range map[string]struct {
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		memory   *cgroups.MemoryStat
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		expected uint64
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	}{
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		"nil memory usage": {
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			memory:   &cgroups.MemoryStat{},
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			expected: 0,
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		},
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		"memory usage higher than inactive_total_file": {
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			memory: &cgroups.MemoryStat{
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				TotalInactiveFile: 1000,
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				Usage:             &cgroups.MemoryEntry{Usage: 2000},
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			},
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			expected: 1000,
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		},
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		"memory usage lower than inactive_total_file": {
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			memory: &cgroups.MemoryStat{
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				TotalInactiveFile: 2000,
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				Usage:             &cgroups.MemoryEntry{Usage: 1000},
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			},
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			expected: 0,
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		},
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	} {
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		t.Run(desc, func(t *testing.T) {
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			got := getWorkingSet(test.memory)
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			assert.Equal(t, test.expected, got)
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		})
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	}
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}
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