mirror of https://github.com/docker/cli.git
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
package container
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import (
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"fmt"
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"testing"
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"github.com/docker/docker/api/types/container"
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"gotest.tools/v3/assert"
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)
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func TestCalculateMemUsageUnixNoCache(t *testing.T) {
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result := calculateMemUsageUnixNoCache(container.MemoryStats{Usage: 500, Stats: map[string]uint64{"total_inactive_file": 400}})
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assert.Assert(t, inDelta(100.0, result, 1e-6))
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}
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func TestCalculateMemPercentUnixNoCache(t *testing.T) {
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// Given
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someLimit := float64(100.0)
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noLimit := float64(0.0)
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used := float64(70.0)
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// When and Then
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t.Run("Limit is set", func(t *testing.T) {
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result := calculateMemPercentUnixNoCache(someLimit, used)
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assert.Assert(t, inDelta(70.0, result, 1e-6))
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})
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t.Run("No limit, no cgroup data", func(t *testing.T) {
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result := calculateMemPercentUnixNoCache(noLimit, used)
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assert.Assert(t, inDelta(0.0, result, 1e-6))
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})
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}
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func TestCalculateBlockIO(t *testing.T) {
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blkRead, blkWrite := calculateBlockIO(container.BlkioStats{
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IoServiceBytesRecursive: []container.BlkioStatEntry{
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{Major: 8, Minor: 0, Op: "read", Value: 1234},
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{Major: 8, Minor: 1, Op: "read", Value: 4567},
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{Major: 8, Minor: 0, Op: "Read", Value: 6},
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{Major: 8, Minor: 1, Op: "Read", Value: 8},
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{Major: 8, Minor: 0, Op: "write", Value: 123},
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{Major: 8, Minor: 1, Op: "write", Value: 456},
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{Major: 8, Minor: 0, Op: "Write", Value: 6},
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{Major: 8, Minor: 1, Op: "Write", Value: 8},
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{Major: 8, Minor: 1, Op: "", Value: 456},
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},
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})
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if blkRead != 5815 {
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t.Fatalf("blkRead = %d, want 5815", blkRead)
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}
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if blkWrite != 593 {
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t.Fatalf("blkWrite = %d, want 593", blkWrite)
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}
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}
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func inDelta(x, y, delta float64) func() (bool, string) {
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return func() (bool, string) {
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diff := x - y
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if diff < -delta || diff > delta {
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return false, fmt.Sprintf("%f != %f within %f", x, y, delta)
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}
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return true, ""
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}
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}
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