Files
fuj-management/go/internal/domain/matching/infer_test.go
Jan Novak e596f0000e feat(go/M2.7-2.9): port domain/matching package
New go/internal/domain/matching package porting three helpers from
scripts/match_payments.py:

- BuildNameVariants: normalized ASCII variants from a member name (nickname
  in parens, last/first split, len<3 filtered); variants[0] is always the
  full base name — MatchMembers relies on this invariant.
- MatchMembers: auto/review confidence matching with an exact-name
  short-circuit pass that prevents nickname substrings (tov) from firing
  inside longer surnames (ottova); common-surname filter for review tier.
- FormatDate: nil/empty/""/serial int/float64 (since 1899-12-30, fractional
  days supported)/YYYY-MM-DD passthrough/garbage → never errors.
- InferTransactionDetails: composes BuildNameVariants+MatchMembers+
  ParseMonthReferences; falls back to sender-only member match and
  date-derived month when text carries no signal.

21 table-driven tests; all expected values verified against live Python
on 2026-05-06. go-build, go-test, go-lint all clean.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-06 13:19:42 +02:00

109 lines
4.3 KiB
Go

package matching
// Expected values verified against scripts/match_payments.py on 2026-05-06:
//
// PYTHONPATH=scripts:. python3 << 'EOF'
// from match_payments import infer_transaction_details
// MEMBERS = ["Tomáš Němeček (Tov)", "Jana Nováková"]
// cases = [
// ({"sender":"Tomas Nemecek","message":"clenske 04/2026","user_id":"","date":"2026-04-15"}, "full match"),
// ({"sender":"Tomas Nemecek","message":"","user_id":"","date":"2026-04-15"}, "sender fallback month"),
// ({"sender":"Jana Novakova","message":"","user_id":"","date":44197}, "serial int date"),
// ({"sender":"neznamy","message":"","user_id":"","date":""}, "no match"),
// ({"sender":"Tomas Nemecek","message":"","user_id":"","date":44197.5}, "serial float date"),
// ]
// for tx, label in cases:
// r = infer_transaction_details(tx, MEMBERS)
// print(label + ": members=" + repr(r["members"]) + " months=" + repr(r["months"]) + " search_text=" + repr(r["search_text"]))
// EOF
//
// Output:
//
// full match: members=[('Tomáš Němeček (Tov)', 'auto')] months=['2026-04'] search_text='Tomas Nemecek clenske 04/2026 '
// sender fallback month: members=[('Tomáš Němeček (Tov)', 'auto')] months=['2026-04'] search_text='Tomas Nemecek '
// serial int date: members=[('Jana Nováková', 'auto')] months=['2021-01'] search_text='Jana Novakova '
// no match: members=[] months=[] search_text='neznamy '
// serial float date: members=[('Tomáš Němeček (Tov)', 'auto')] months=['2021-01'] search_text='Tomas Nemecek '
import (
"reflect"
"testing"
)
var inferMembers = []string{"Tomáš Němeček (Tov)", "Jana Nováková"}
func TestInferTransactionDetails(t *testing.T) {
t.Parallel()
cases := []struct {
name string
tx Transaction
defaultYear int
wantMembers []Match
wantMonths []string
wantSearchText string
}{
{
name: "full match — members and months from search text",
tx: Transaction{Sender: "Tomas Nemecek", Message: "clenske 04/2026", UserID: "", Date: "2026-04-15"},
defaultYear: 2026,
wantMembers: []Match{{Name: "Tomáš Němeček (Tov)", Confidence: ConfidenceAuto}},
wantMonths: []string{"2026-04"},
// Python: sender + " " + message + " " + user_id (no trim)
wantSearchText: "Tomas Nemecek clenske 04/2026 ",
},
{
// months not in message → fall back to date string
name: "months fall back to date string",
tx: Transaction{Sender: "Tomas Nemecek", Message: "", UserID: "", Date: "2026-04-15"},
defaultYear: 2026,
wantMembers: []Match{{Name: "Tomáš Němeček (Tov)", Confidence: ConfidenceAuto}},
wantMonths: []string{"2026-04"},
wantSearchText: "Tomas Nemecek ",
},
{
// months fall back to Sheets serial int date
name: "months fall back to serial int date",
tx: Transaction{Sender: "Jana Novakova", Message: "", UserID: "", Date: int(44197)},
defaultYear: 2026,
wantMembers: []Match{{Name: "Jana Nováková", Confidence: ConfidenceAuto}},
wantMonths: []string{"2021-01"},
wantSearchText: "Jana Novakova ",
},
{
// months fall back to Sheets serial float64 date
name: "months fall back to serial float date",
tx: Transaction{Sender: "Tomas Nemecek", Message: "", UserID: "", Date: float64(44197.5)},
defaultYear: 2026,
wantMembers: []Match{{Name: "Tomáš Němeček (Tov)", Confidence: ConfidenceAuto}},
wantMonths: []string{"2021-01"},
wantSearchText: "Tomas Nemecek ",
},
{
name: "no match — both slices empty not nil",
tx: Transaction{Sender: "neznamy", Message: "", UserID: "", Date: ""},
defaultYear: 2026,
wantMembers: []Match{},
wantMonths: []string{},
wantSearchText: "neznamy ",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
got := InferTransactionDetails(tc.tx, inferMembers, tc.defaultYear)
if !reflect.DeepEqual(got.Members, tc.wantMembers) {
t.Errorf("Members\n got %v\n want %v", got.Members, tc.wantMembers)
}
if !reflect.DeepEqual(got.Months, tc.wantMonths) {
t.Errorf("Months\n got %v\n want %v", got.Months, tc.wantMonths)
}
if got.SearchText != tc.wantSearchText {
t.Errorf("SearchText\n got %q\n want %q", got.SearchText, tc.wantSearchText)
}
})
}
}