56 lines
2.0 KiB
Go
56 lines
2.0 KiB
Go
package events
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import (
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"encoding/json"
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"strings"
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"testing"
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"unicode/utf8"
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)
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const ping = `{"schema_version":1,"device_id":"sim-001","request_id":"req-001","issued_at":"2026-10-06T10:00:00Z","expires_at":"2026-10-06T10:00:15Z","command":"ping"}`
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func TestSafePreviews(t *testing.T) {
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p := SafePreview("commands", "sim-001", []byte(ping), 4096)
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if p.Omitted || !strings.Contains(p.Text, `"command":"ping"`) || p.Bytes != len(ping) {
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t.Fatal("lost useful preview")
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}
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for _, raw := range []string{`{"password":"SECRET"}`, `{"x":"SECRET`, string([]byte{255, 0}), strings.Replace(ping, `"command":"ping"`, `"command":"ping","token":"SECRET"`, 1)} {
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preview := SafePreview("commands", "sim-001", []byte(raw), 4096)
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encoded, _ := json.Marshal(preview)
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if !preview.Omitted || preview.Text != "" || strings.Contains(string(encoded), "SECRET") {
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t.Fatal("unsafe payload exposed")
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}
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}
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ack := `{"schema_version":1,"device_id":"sim-001","request_id":"req-001","timestamp":"2026-10-06T10:00:00Z","stage":"failed","ok":false,"error":{"code":"error","message":"password=SECRET"}}`
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p = SafePreview("acks", "sim-001", []byte(ack), 4096)
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if p.Omitted || strings.Contains(p.Text, "SECRET") || !strings.Contains(p.Text, "[redacted]") {
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t.Fatal("free-form error not redacted")
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}
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}
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func TestPreviewBounds(t *testing.T) {
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for _, n := range []int{-1, 0, 1, 64, 100, 4096, 99999} {
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p := SafePreview("commands", "sim-001", []byte(ping), n)
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if n <= 0 {
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if !p.Omitted {
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t.Fatal("disabled preview not omitted")
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}
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continue
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}
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if len(p.Text) > n || !utf8.ValidString(p.Text) {
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t.Fatal("invalid preview bounds")
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}
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if n < len(ping) && !p.Truncated {
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t.Fatal("truncation not labeled")
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}
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}
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}
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func TestRawPreviewIsBounded(t *testing.T) {
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for _, data := range [][]byte{[]byte("hello"), []byte("éééé"), {0xff, 0x00}} {
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preview := RawPreview(data, 5)
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if preview.Omitted || len(preview.Text) > 5 || preview.Bytes != len(data) {
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t.Fatal("invalid bounded raw preview")
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}
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}
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}
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