Files
MujicaUI/devtools/system_monitor_test.go

130 lines
3.5 KiB
Go

package devtools
import (
"math"
"strings"
"testing"
"time"
"github.com/egoist/mygo/ui"
"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/data"
)
func monitorSample(n int) ([]time.Time, []MonitorMetric) {
t0 := time.Date(2026, 10, 5, 21, 0, 0, 0, time.UTC)
times := make([]time.Time, n)
cpu, mem := make([]float64, n), make([]float64, n)
for i := range n {
times[i] = t0.Add(time.Duration(i) * 5 * time.Second)
cpu[i] = 40 + 20*math.Sin(float64(i)/4)
mem[i] = 3.2 + float64(i)*0.02
}
return times, []MonitorMetric{{Name: "CPU", Unit: "%", Samples: cpu}, {Name: "Memory", Unit: "GB", Samples: mem}}
}
func TestSystemMonitorLiveAndKeyboard(t *testing.T) {
times, metrics := monitorSample(20)
tt := ui.NewTester(func(c *ui.Context) {
core.Use(c, core.Settings{})
SystemMonitor(c, times, metrics, SystemMonitorOptions{})
}, 600, 420)
if !tt.HasText("3.6 GB") || !tt.HasText("20.0 %") {
t.Fatalf("latest samples missing: %q", tt.Texts())
}
times, metrics = monitorSample(21)
tt.Frame()
if !tt.HasText("20.8 %") || tt.HasText("20.0 %") {
t.Fatalf("new sample: %q", tt.Texts())
}
tt.Key(0, ui.KeyTab) // the legend key
tt.Key(0, ui.KeyTab) // the plot
tt.Key(0, ui.KeyEnd)
found := false
for _, s := range tt.Texts() {
found = found || strings.Contains(s, "21:01:40")
}
if !found {
t.Fatalf("keyboard readout: %q", tt.Texts())
}
}
func TestSystemMonitorStatesAndRules(t *testing.T) {
times, metrics := monitorSample(5)
retries := 0
tt := ui.NewTester(func(c *ui.Context) {
core.Use(c, core.Settings{})
if SystemMonitor(c, times, metrics[:1], SystemMonitorOptions{Status: data.DataFailed, Error: "agent offline"}).Changed() {
retries++
}
}, 600, 300)
if !tt.HasText("agent offline") {
t.Fatalf("error: %q", tt.Texts())
}
_ = tt.Click("Retry")
if retries != 1 {
t.Fatal("retry not reported")
}
defer func() {
if recover() == nil {
t.Fatal("mismatched samples did not panic")
}
}()
ui.NewTester(func(c *ui.Context) {
core.Use(c, core.Settings{})
SystemMonitor(c, times, []MonitorMetric{{Name: "x", Samples: []float64{1}}}, SystemMonitorOptions{})
}, 200, 200)
}
func TestSystemMonitorSnapshot(t *testing.T) {
times, metrics := monitorSample(40)
snapshot(t, "system_monitor", 560, 460, func(c *ui.Context) {
ui.Column(c).Padding(16).Children(func() { SystemMonitor(c, times, metrics, SystemMonitorOptions{}) })
})
}
func TestSystemMonitorEmptyLoadingAndDisabled(t *testing.T) {
status := data.DataReady
retries := 0
tt := ui.NewTester(func(c *ui.Context) {
core.Use(c, core.Settings{})
ui.Column(c).Disabled(true).Children(func() {
if SystemMonitor(c, nil, nil, SystemMonitorOptions{Status: status, Error: "offline"}).Changed() {
retries++
}
})
}, 600, 300)
if !tt.HasText("No resources") {
t.Fatal("empty resources")
}
status = data.DataLoading
tt.Frame()
if !tt.HasText("Loading") {
t.Fatal("loading resources")
}
status = data.DataFailed
tt.Frame()
_ = tt.Click("Retry")
if retries != 0 {
t.Fatal("disabled retry")
}
}
func TestSystemMonitorManySamples(t *testing.T) {
times, metrics := monitorSample(100000)
tt := ui.NewTester(func(c *ui.Context) {
core.Use(c, core.Settings{})
SystemMonitor(c, times, metrics[:1], SystemMonitorOptions{})
}, 600, 420)
tt.Key(0, ui.KeyTab)
tt.Key(0, ui.KeyTab)
tt.Key(0, ui.KeyEnd)
if len(tt.Texts()) > 200 {
t.Fatal("unbounded sample elements")
}
if !tt.HasText(times[len(times)-1].Format("15:04:05")) {
t.Fatal("last sample readout")
}
}