Jan Novak
54a783ea00
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SHA-256 dedup hash from sync_fio_to_sheets.py generate_sync_id. Key subtlety: Python str(float) emits "500.0" for whole-valued floats and switches to scientific notation at |f|>=1e16 or |f|<1e-4 — replicated via formatAmount using 'f'/'e' format selection. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
120 lines
3.7 KiB
Go
120 lines
3.7 KiB
Go
package synch
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import (
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"testing"
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)
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// All expected digests verified against the live Python implementation on 2026-05-06:
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//
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// PYTHONPATH=scripts:. python -c '
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// from sync_fio_to_sheets import generate_sync_id
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// cases = [
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// {"date":"2026-01-15","amount":500.0,"currency":"CZK","sender":"Jan Novak","vs":"123","message":"clenske 1/2026","bank_id":"abc123"},
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// {"date":"2026-01-15","amount":500.0,"sender":"Jan Novak","vs":"123","message":"clenske 1/2026","bank_id":"abc123"},
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// {"date":"2026-02-10","amount":1234.56,"currency":"CZK","sender":"ABC SRO","vs":"","message":"FAKTURA 42","bank_id":"xyz"},
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// {"date":"2026-03-01","amount":-500.0,"currency":"CZK","sender":"refund","vs":"","message":"","bank_id":""},
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// {"date":"2026-04-01","amount":0.0,"currency":"CZK","sender":"","vs":"","message":"","bank_id":""},
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// {"date":"","amount":0.0,"currency":"CZK","sender":"","vs":"","message":"","bank_id":""},
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// ]
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// for c in cases: print(generate_sync_id(c))
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// '
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func TestGenerateSyncID(t *testing.T) {
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t.Parallel()
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cases := []struct {
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name string
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tx Transaction
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want string
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}{
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{
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name: "all fields set",
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tx: Transaction{
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Date: "2026-01-15", Amount: 500.0, Currency: "CZK",
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Sender: "Jan Novak", VS: "123", Message: "clenske 1/2026", BankID: "abc123",
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},
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want: "4ac26598b6f23965380690172156a438a7e97a97dcedf222e5afe1afbe2c1bc4",
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},
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{
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name: "currency empty defaults to CZK",
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tx: Transaction{
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Date: "2026-01-15", Amount: 500.0, Currency: "",
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Sender: "Jan Novak", VS: "123", Message: "clenske 1/2026", BankID: "abc123",
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},
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want: "4ac26598b6f23965380690172156a438a7e97a97dcedf222e5afe1afbe2c1bc4",
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},
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{
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name: "mixed-case fields lowercased before hashing",
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tx: Transaction{
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Date: "2026-02-10", Amount: 1234.56, Currency: "CZK",
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Sender: "ABC SRO", VS: "", Message: "FAKTURA 42", BankID: "xyz",
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},
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want: "d40fa224d4fa572ffcd58e308e5c6508c4d5ca087b24ef6ff9284528fc128250",
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},
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{
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name: "negative amount",
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tx: Transaction{
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Date: "2026-03-01", Amount: -500.0, Currency: "CZK",
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Sender: "refund", VS: "", Message: "", BankID: "",
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},
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want: "0c630a407160367c396a2beec08efb94c319b4d84a8b90cc2be89e6ea10c391f",
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},
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{
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name: "zero amount",
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tx: Transaction{
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Date: "2026-04-01", Amount: 0.0, Currency: "CZK",
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Sender: "", VS: "", Message: "", BankID: "",
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},
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want: "6a23ce53717cd539064d550d2c2ec5de2e9bf81016d16852820ca9b8e259331f",
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},
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{
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// Python equivalent: {"date":"","amount":0.0,"currency":"CZK","sender":"","vs":"","message":"","bank_id":""}
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// Note: Python generate_sync_id({}) hashes "" for missing amount, not "0.0".
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name: "zero-value Transaction",
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tx: Transaction{},
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want: "d33d7e391f5a43f0192bb5a34c0ec15715139125678ecef8e1324af7d943b21d",
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},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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got := GenerateSyncID(tc.tx)
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if got != tc.want {
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t.Errorf("GenerateSyncID(%+v) = %q, want %q", tc.tx, got, tc.want)
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}
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})
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}
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}
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// All expected strings verified against the live Python implementation on 2026-05-06:
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//
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// PYTHONPATH=scripts:. python -c '
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// for v in [0.0, 500.0, -500.0, 0.1, 1234.56, 99999.99, 1500000.0, 1e16, 1e-5]:
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// print(repr(v), "->", repr(str(v)))
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// '
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func TestFormatAmount(t *testing.T) {
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t.Parallel()
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cases := []struct {
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in float64
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want string
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}{
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{0.0, "0.0"},
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{500.0, "500.0"},
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{-500.0, "-500.0"},
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{0.1, "0.1"},
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{1234.56, "1234.56"},
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{99999.99, "99999.99"},
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{1500000.0, "1500000.0"},
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{1e16, "1e+16"},
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{1e-5, "1e-05"},
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}
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for _, tc := range cases {
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got := formatAmount(tc.in)
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if got != tc.want {
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t.Errorf("formatAmount(%v) = %q, want %q", tc.in, got, tc.want)
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}
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}
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}
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