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Match more payable-amount labels by priority and accept DE/EN/plain number formats, normalising to a dot-separated 2-decimal string. Adds unit tests with synthetic DKV-style and Diashop-style lines.
131 lines
3.0 KiB
Go
131 lines
3.0 KiB
Go
package main
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import "testing"
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func TestExtractAmount(t *testing.T) {
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tests := []struct {
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name, text, want string
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}{
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{
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name: "rechnungsbetrag de format",
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text: "Rechnungsbetrag: 1.234,56 €",
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want: "1234.56",
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},
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{
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name: "rechnungsbetrag en thousands and dot",
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text: "Rechnungsbetrag: 1,234.56",
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want: "1234.56",
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},
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{
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name: "rechnungsbetrag plain dot",
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text: "Rechnungsbetrag: 1234.56",
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want: "1234.56",
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},
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{
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name: "rechnungsbetrag de comma only",
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text: "Rechnungsbetrag: 1234,56",
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want: "1234.56",
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},
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{
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name: "currency suffix eur",
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text: "Rechnungsbetrag: 1.234,56 EUR",
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want: "1234.56",
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},
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{
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name: "zu zahlender betrag wins over rechnungsbetrag",
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text: "Zu zahlender Betrag: 10,00\nRechnungsbetrag: 99,00",
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want: "10.00",
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},
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{
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name: "rechnungsbetrag wins over endbetrag",
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text: "Endbetrag: 20,00\nRechnungsbetrag: 30,00",
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want: "30.00",
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},
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{
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name: "bruttobetrag wins over bare betrag",
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text: "Bruttobetrag: 50,00\nBetrag: 10,00",
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want: "50.00",
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},
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{
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name: "gesamtbetrag wins over bare betrag",
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text: "Gesamtbetrag: 80,00\nBetrag: 10,00",
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want: "80.00",
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},
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{
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name: "last occurrence of same label wins",
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text: "Rechnungsbetrag: 10,00\nRechnungsbetrag: 20,00",
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want: "20.00",
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},
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{
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name: "endbetrag fallback",
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text: "Endbetrag: 42,00",
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want: "42.00",
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},
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{
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name: "zahlbetrag fallback without colon",
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text: "Zahlbetrag 7,50 €",
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want: "7.50",
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},
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{
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name: "rechnungsendbetrag beats endbetrag",
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text: "Rechnungsendbetrag: 12,00\nEndbetrag: 13,00",
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want: "12.00",
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},
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{
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name: "dkv style total line",
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text: "Kundenbezogene Daten\n» TOTAL: 123,45 100,00 23,45 123,45\n",
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want: "123.45",
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},
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{
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name: "diashop style gesamtsumme with comment",
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text: "Zwischensumme\n12,34 €\nZwischensumme\n12,34 €\nVersand & Bearbeitung\n4,95 €\nGesamtsumme (inkl. Steuern)\n17,29 €\n",
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want: "17.29",
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},
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{
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name: "diashop picks inclusive total last",
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text: "Gesamtsumme (exkl. Steuern)\n12,34 €\nGesamtsumme (inkl. Steuern)\n17,29 €",
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want: "17.29",
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},
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{
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name: "no label",
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text: "some text without any amount label 12,34",
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want: "",
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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if got := extractAmount(tc.text); got != tc.want {
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t.Fatalf("extractAmount()=%q want %q", got, tc.want)
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}
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})
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}
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}
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func TestNormalizeAmount(t *testing.T) {
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tests := []struct {
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in string
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want string
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ok bool
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}{
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{"1.234,56", "1234.56", true},
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{"1,234.56", "1234.56", true},
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{"1234.56", "1234.56", true},
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{"1234,56", "1234.56", true},
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{"1.234.567,89", "1234567.89", true},
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{"1,234,567.89", "1234567.89", true},
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{"1.234", "1234.00", true},
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{"12,5", "12.50", true},
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{"12", "12.00", true},
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{"", "0.00", false},
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}
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for _, tc := range tests {
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got, ok := normalizeAmount(tc.in)
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if ok != tc.ok {
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t.Fatalf("normalizeAmount(%q) ok=%v want %v", tc.in, ok, tc.ok)
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}
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if ok && got != tc.want {
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t.Fatalf("normalizeAmount(%q)=%q want %q", tc.in, got, tc.want)
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}
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}
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}
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