36 lines
750 B
Go
36 lines
750 B
Go
//go:build linux
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package evidence
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import (
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"context"
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"os"
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"testing"
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"time"
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)
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func TestX11SourceEmitsWhenDisplaySet(t *testing.T) {
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if os.Getenv("DISPLAY") == "" {
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t.Skip("no DISPLAY; skipping live X11 smoke test")
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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got := make(chan WindowSnapshot, 1)
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go NewSource().Watch(ctx, func(s WindowSnapshot) {
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select {
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case got <- s:
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default:
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}
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})
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select {
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case snap := <-got:
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// Either a real window or a clean Unavailable — both are valid; we only
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// assert the sensor produced an observation without panicking.
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t.Logf("first snapshot: %+v", snap)
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case <-ctx.Done():
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t.Fatal("x11 source emitted no snapshot within timeout")
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}
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}
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