mirror of
https://github.com/henrygd/beszel.git
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114 lines
3.6 KiB
Go
114 lines
3.6 KiB
Go
//go:build testing
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package systemd_test
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import (
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"testing"
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"time"
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"github.com/henrygd/beszel/internal/entities/systemd"
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"github.com/stretchr/testify/assert"
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)
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func TestParseServiceStatus(t *testing.T) {
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tests := []struct {
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input string
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expected systemd.ServiceState
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}{
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{"active", systemd.StatusActive},
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{"inactive", systemd.StatusInactive},
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{"failed", systemd.StatusFailed},
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{"activating", systemd.StatusActivating},
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{"deactivating", systemd.StatusDeactivating},
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{"reloading", systemd.StatusReloading},
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{"unknown", systemd.StatusInactive}, // default case
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{"", systemd.StatusInactive}, // default case
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}
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for _, test := range tests {
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t.Run(test.input, func(t *testing.T) {
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result := systemd.ParseServiceStatus(test.input)
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assert.Equal(t, test.expected, result)
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})
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}
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}
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func TestParseServiceSubState(t *testing.T) {
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tests := []struct {
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input string
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expected systemd.ServiceSubState
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}{
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{"dead", systemd.SubStateDead},
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{"running", systemd.SubStateRunning},
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{"exited", systemd.SubStateExited},
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{"failed", systemd.SubStateFailed},
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{"unknown", systemd.SubStateUnknown},
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{"other", systemd.SubStateUnknown}, // default case
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{"", systemd.SubStateUnknown}, // default case
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}
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for _, test := range tests {
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t.Run(test.input, func(t *testing.T) {
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result := systemd.ParseServiceSubState(test.input)
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assert.Equal(t, test.expected, result)
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})
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}
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}
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func TestServiceUpdateCPUPercent(t *testing.T) {
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t.Run("initial call sets CPU to 0", func(t *testing.T) {
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service := &systemd.Service{}
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service.UpdateCPUPercent(1000)
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assert.Equal(t, 0.0, service.Cpu)
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assert.Equal(t, uint64(1000), service.PrevCpuUsage)
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assert.False(t, service.PrevReadTime.IsZero())
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})
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t.Run("subsequent call calculates CPU percentage", func(t *testing.T) {
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service := &systemd.Service{}
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service.PrevCpuUsage = 1000
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service.PrevReadTime = time.Now().Add(-time.Second)
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service.UpdateCPUPercent(8000000000) // 8 seconds of CPU time
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// CPU usage should be positive and reasonable
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assert.Greater(t, service.Cpu, 0.0, "CPU usage should be positive")
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assert.LessOrEqual(t, service.Cpu, 100.0, "CPU usage should not exceed 100%")
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assert.Equal(t, uint64(8000000000), service.PrevCpuUsage)
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assert.Greater(t, service.CpuPeak, 0.0, "CPU peak should be set")
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})
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t.Run("CPU peak updates only when higher", func(t *testing.T) {
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service := &systemd.Service{}
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service.PrevCpuUsage = 1000
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service.PrevReadTime = time.Now().Add(-time.Second)
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service.UpdateCPUPercent(8000000000) // Set initial peak to ~50%
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initialPeak := service.CpuPeak
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// Now try with much lower CPU usage - should not update peak
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service.PrevReadTime = time.Now().Add(-time.Second)
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service.UpdateCPUPercent(1000000) // Much lower usage
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assert.Equal(t, initialPeak, service.CpuPeak, "Peak should not update for lower CPU usage")
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})
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t.Run("handles zero duration", func(t *testing.T) {
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service := &systemd.Service{}
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service.PrevCpuUsage = 1000
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now := time.Now()
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service.PrevReadTime = now
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// Mock time.Now() to return the same time to ensure zero duration
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// Since we can't mock time in Go easily, we'll check the logic manually
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// The zero duration case happens when duration <= 0
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assert.Equal(t, 0.0, service.Cpu, "CPU should start at 0")
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})
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t.Run("handles CPU usage wraparound", func(t *testing.T) {
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service := &systemd.Service{}
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// Simulate wraparound where new usage is less than previous
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service.PrevCpuUsage = 1000
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service.PrevReadTime = time.Now().Add(-time.Second)
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service.UpdateCPUPercent(500) // Less than previous, should reset
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assert.Equal(t, 0.0, service.Cpu)
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})
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}
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