be9f14ce34
A small helpdesk system: an office Pixel running a patched GrapheneOS Dialer answers technician calls, records both call legs as separate channels, and a Ruby backend transcribes them through Whisper and files an AI summary against the caller. Squashed to a single commit for sharing. No credentials are included; secrets live outside the repo in /etc/helpdesk/env on the server or a gitignored .claude/env.local locally. See .claude/env.local.example for the shape. Start at README.md, then docs/architecture.md.
70 lines
3.6 KiB
Ruby
70 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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# Offline tests for merging two per-speaker transcripts (no gems, no network).
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# Run: ruby components/backend/test/test_dual_transcript.rb
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require_relative "../lib/helpdesk/dual_transcript"
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$pass = 0; $fail = 0
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def ok(d); $pass += 1; puts " ok #{d}"; end
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def bad(d, got = nil); $fail += 1; puts " FAIL #{d}#{got.nil? ? '' : " (got: #{got.inspect})"}"; end
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def eq(a, b, d); a == b ? ok(d) : bad(d, a); end
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def truthy(x, d); x ? ok(d) : bad(d, x); end
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def falsy(x, d); x ? bad(d, x) : ok(d); end
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D = Helpdesk::DualTranscript
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puts "parsing the service's line format"
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p1 = D.parse("[00:00:03] [Speaker 1]: Dobrý den.\n\n[00:01:05] [Speaker 1]: Děkuji.")
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eq(p1.length, 2, "two turns parsed")
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eq(p1[0][:at], 3, "seconds computed from the timestamp")
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eq(p1[1][:at], 65, "minutes carried into seconds")
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eq(p1[0][:text], "Dobrý den.", "text without the markup")
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eq(D.parse("[01:02:03] [Speaker 1]: x")[0][:at], 3723, "hours counted too")
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puts "a wrapped line belongs to the turn above it, not to nobody"
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w = D.parse("[00:00:03] [Speaker 1]: první část\ndruhá část\n")
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eq(w.length, 1, "the continuation does not become its own turn")
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eq(w[0][:text], "první část druhá část", "and its words are kept")
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puts "merging two single-speaker channels into a conversation"
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op = "[00:00:01] [Speaker 1]: Dobrý den, helpdesk.\n[00:00:09] [Speaker 1]: Rozumím."
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cal = "[00:00:05] [Speaker 1]: Dobrý den, mám problém."
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m = D.merge(left: op, right: cal)
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eq(m.lines.reject { |l| l.strip.empty? }.length, 3, "all three turns present")
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truthy(m.include?("[00:00:01] [Operator]: Dobrý den, helpdesk."), "left channel labelled Operator")
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truthy(m.include?("[00:00:05] [Caller]: Dobrý den, mám problém."), "right channel labelled Caller")
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truthy(m.index("[00:00:01]") < m.index("[00:00:05]"), "ordered by time across channels")
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truthy(m.index("[00:00:05]") < m.index("[00:00:09]"), "and interleaved, not concatenated")
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falsy(m.include?("Speaker 1"), "the meaningless per-channel speaker numbers are gone")
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puts "ties resolve to the operator, who normally speaks first"
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t = D.merge(left: "[00:00:04] [Speaker 1]: otázka", right: "[00:00:04] [Speaker 1]: odpověď")
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truthy(t.index("Operator") < t.index("Caller"), "same-second turns read question then answer")
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puts "one silent channel still produces a usable transcript"
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only_op = D.merge(left: "[00:00:02] [Speaker 1]: haló?", right: "")
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truthy(only_op.include?("[Operator]: haló?"), "the speaking side survives")
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falsy(only_op.include?("Caller"), "and no empty turn is invented for the silent side")
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eq(D.merge(left: "", right: ""), "", "two empty channels -> empty transcript")
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puts "output keeps the format everything downstream parses"
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round = D.parse(D.merge(left: "[00:00:07] [Speaker 1]: a", right: "[00:00:08] [Speaker 1]: b"))
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eq(round.length, 2, "the merged text re-parses as turns")
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eq(round.map { |e| e[:at] }, [7, 8], "with the timestamps intact")
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puts "plausible? guards against a split that gained nothing"
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truthy(D.plausible?("[00:00:01] [Speaker 1]: ahoj", "[00:00:02] [Speaker 1]: nazdar"),
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"two different speakers is the good case")
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falsy(D.plausible?("[00:00:01] [Speaker 1]: ahoj", "[00:00:01] [Speaker 1]: ahoj"),
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"identical channels mean the legs were not really separated")
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falsy(D.plausible?("[00:00:01] [Speaker 1]: ahoj", ""), "a silent channel is not a plausible split")
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falsy(D.plausible?("", ""), "nothing at all is not plausible")
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puts "hms formatting"
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eq(D.hms(0), "00:00:00", "zero")
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eq(D.hms(61), "00:01:01", "a minute and a second")
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eq(D.hms(3661), "01:01:01", "an hour in")
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puts
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puts "#{$pass} passed, #{$fail} failed"
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exit($fail.zero? ? 0 : 1)
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