tajniak81andClaude Opus 5
a7719fca6a
ANKER_MQTT_FRAME_LOG logs every inbound cloud frame with its bytes, decoded or not — the ones this package drops are exactly the ones worth naming, so they are logged before the drop. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
package ankersolix
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import (
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"errors"
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"strings"
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"testing"
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)
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// The frame nobody can read is the one worth logging, so its bytes have to be in
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// the line — that is the whole of what a capture is.
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func TestFrameLogLineCarriesTheBytes(t *testing.T) {
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data := []byte{0xff, 0x09, 0x01, 0x02}
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line := frameLogLine("EVSN1", "dt/app/A5191/EVSN1/x", data, "", nil, errors.New("bad marker"))
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if !strings.Contains(line, "hex=ff090102") {
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t.Errorf("unreadable frame: %q, want the bytes in it", line)
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}
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if !strings.Contains(line, "unreadable=") || !strings.Contains(line, "EVSN1") {
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t.Errorf("unreadable frame: %q, want the reason and the serial", line)
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}
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line = frameLogLine("EVSN1", "t", data, "0857", map[string]any{"a": 1}, nil)
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if !strings.Contains(line, "type=0857") || !strings.Contains(line, "fields=1") {
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t.Errorf("readable frame: %q, want its type and field count", line)
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}
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}
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// One long frame must not fill a log file.
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func TestFrameLogLineCapsTheHex(t *testing.T) {
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line := frameLogLine("EVSN1", "t", make([]byte, 4096), "0410", nil, nil)
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if len(line) > 1400 {
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t.Errorf("line is %d chars, want it capped", len(line))
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}
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if !strings.Contains(line, "...") {
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t.Error("a truncated frame should say so")
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}
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}
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