124 lines
4.3 KiB
C#
124 lines
4.3 KiB
C#
using AccountTracking.Api.Data;
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using AccountTracking.Api.Services;
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using Microsoft.EntityFrameworkCore;
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namespace AccountTracking.Api.Tests;
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public class CsvImportServiceTests
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{
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private static AppDbContext CreateDb()
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{
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var opts = new DbContextOptionsBuilder<AppDbContext>()
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.UseInMemoryDatabase(Guid.NewGuid().ToString())
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.Options;
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return new AppDbContext(opts);
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}
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private static CsvImportService CreateService(AppDbContext db)
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=> new(db);
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// Minimal valid CSV with two data rows
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private const string ValidCsv = """
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Pohyby na účtu 216868554/0300 dne 19.03.2026
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číslo účtu;datum zaúčtování;částka;měna;zůstatek;číslo protiúčtu;kód banky protiúčtu;jméno protistrany;adresa protistrany;konstantní symbol;variabilní symbol;specifický symbol;označení operace;název trálého příkazu;vlastní poznámka;zpráva;kategorie;původní transakce;kurz;E2E identifikace;reference plátce;původní plátce;konečný příjemce;ID transakce
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216868554/0300;15.03.2026;-1 740,80;CZK;93 346,57;;;;;;205000001;;Transakce platební kartou;;;Zpráva 1;Potraviny;;;;;;;tx-001
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216868554/0300;14.03.2026;-800,00;CZK;95 087,37;;;;;;205000002;;Transakce platební kartou;;;Zpráva 2;Restaurace;;;;;;;tx-002
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""";
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private const string CsvMissingHeader = """
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Pohyby na účtu
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Nějaky obsah bez správné hlavičky
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datum;částka
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""";
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private const string CsvMissingRequiredColumn = """
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číslo účtu;datum zaúčtování;měna;zůstatek;ID transakce
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216868554/0300;15.03.2026;CZK;93346,57;tx-001
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""";
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[Fact]
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public async Task Import_ParsesRowsCorrectly()
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{
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using var db = CreateDb();
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var svc = CreateService(db);
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var result = await svc.ImportAsync(ValidCsv, "test.csv");
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Assert.True(result.IsSuccess);
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Assert.Equal(2, result.Value!.RecordsImported);
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Assert.Equal(0, result.Value.RecordsSkipped);
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var transactions = await db.Transactions.ToListAsync();
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Assert.Equal(2, transactions.Count);
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var tx = transactions.First(t => t.TransactionId == "tx-001");
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Assert.Equal(-1740.80m, tx.Amount);
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Assert.Equal(93346.57m, tx.Balance);
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Assert.Equal("Potraviny", tx.Category);
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Assert.Equal(new DateOnly(2026, 3, 15), tx.BookingDate);
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}
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[Fact]
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public async Task Import_SkipsDuplicateTransactionIds()
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{
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using var db = CreateDb();
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var svc = CreateService(db);
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await svc.ImportAsync(ValidCsv, "first.csv");
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var result = await svc.ImportAsync(ValidCsv, "second.csv");
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Assert.True(result.IsSuccess);
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Assert.Equal(0, result.Value!.RecordsImported);
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Assert.Equal(2, result.Value.RecordsSkipped);
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Assert.Equal(2, await db.Transactions.CountAsync());
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}
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[Fact]
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public async Task Import_FindsHeaderByScanning_NotByLineNumber()
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{
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// Header is on line 3 in ValidCsv — but we scan, not hardcode
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using var db = CreateDb();
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var svc = CreateService(db);
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var result = await svc.ImportAsync(ValidCsv, "test.csv");
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Assert.True(result.IsSuccess);
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}
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[Fact]
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public async Task Import_ReturnsError_WhenHeaderNotFound()
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{
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using var db = CreateDb();
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var svc = CreateService(db);
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var result = await svc.ImportAsync(CsvMissingHeader, "bad.csv");
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Assert.False(result.IsSuccess);
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Assert.Contains("hlavičku", result.Error, StringComparison.OrdinalIgnoreCase);
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}
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[Fact]
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public async Task Import_ReturnsError_WhenRequiredColumnMissing()
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{
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using var db = CreateDb();
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var svc = CreateService(db);
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var result = await svc.ImportAsync(CsvMissingRequiredColumn, "bad.csv");
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Assert.False(result.IsSuccess);
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Assert.Contains("částka", result.Error, StringComparison.OrdinalIgnoreCase);
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}
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[Theory]
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[InlineData("1 740,80", 1740.80)]
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[InlineData("-4 263,15", -4263.15)]
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[InlineData("-800,00", -800.00)]
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[InlineData("93 346,57", 93346.57)]
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public void ParseAmount_HandlesChechLocaleFormat(string input, decimal expected)
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{
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var result = CsvImportService.ParseCzechDecimal(input);
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Assert.Equal(expected, result);
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}
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}
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