GivenInputParameters_ThenTransactionServiceCalledWithCorrectArguments()
{
var expectedType = TransactionType.Expense;
var start = DateTime.MinValue;
var end = DateTime.MaxValue;
_mockTransactionService
.Setup(helperService =>
helperService.GetTransactionsAsync(It.IsAny <GetTransactionsQuery>())).ReturnsAsync(() =>
new List <Transaction>
{
new Transaction
{
Amount = 123M,
Category = "category",
TransactionTimestamp = DateTime.Now.ToString("O"),
Subcategory = "subcategory-1",
TransactionId = "transaction-id-1",
TransactionType = "expense",
}
});
var service = new AnalyticsService(_mockTransactionService.Object, _mockTimePeriodHelper.Object);
await service.GetCategoriesBreakdown(expectedType, null, start, end);
_mockTransactionService.Verify(transactionService => transactionService.GetTransactionsAsync(
It.Is <GetTransactionsQuery>(query =>
query.Start == start && query.End == end && query.Type == expectedType &&
!query.Subcategories.Any() && !query.Categories.Any())
));
}
GivenNullCountAndListReturnedFromTransactionService_ThenCorrectAnalyticsCategoryListReturned()
{
var expectedType = TransactionType.Expense;
var start = DateTime.MinValue;
var end = DateTime.MaxValue;
var timePeriod = new TimePeriod("MONTH", 5);
var dateRange = new DateRange(start, end);
const string expectedCategory1 = "category1";
const int numberOfCategory1Transactions = 24;
const decimal category1TransactionsAmount = (decimal)34.5;
const string expectedCategory2 = "category2";
const int numberOfCategory2Transactions = 20;
const decimal category2TransactionsAmount = (decimal)34.5;
const string expectedCategory3 = "category3";
const int numberOfCategory3Transactions = 10;
const decimal category3TransactionsAmount = (decimal)34.5;
var transactionList = new TransactionListBuilder("userId123")
.WithNumberOfTransactionsOfCategoryAndAmount(numberOfCategory1Transactions, expectedCategory1,
category1TransactionsAmount)
.WithNumberOfTransactionsOfCategoryAndAmount(numberOfCategory2Transactions, expectedCategory2,
category2TransactionsAmount)
.WithNumberOfTransactionsOfCategoryAndAmount(numberOfCategory3Transactions, expectedCategory3,
category3TransactionsAmount)
.Build();
_mockTimePeriodHelper.Setup(helper => helper.ResolveDateRange(timePeriod)).Returns(dateRange);
_mockTransactionService
.Setup(helperService =>
helperService.GetTransactionsAsync(It.IsAny <GetTransactionsQuery>()))
.ReturnsAsync(() => transactionList);
var service = new AnalyticsService(_mockTransactionService.Object, _mockTimePeriodHelper.Object);
var analyticsCategories = await service.GetCategoriesBreakdown(expectedType, null, timePeriod);
var expectedAnalyticsCategories = new List <AnalyticsCategory>
{
new()
{
CategoryName = expectedCategory1,
TotalAmount = numberOfCategory1Transactions * category1TransactionsAmount
},
new()
{
CategoryName = expectedCategory2,
TotalAmount = numberOfCategory2Transactions * category2TransactionsAmount
},
new()
{
CategoryName = expectedCategory3,
TotalAmount = numberOfCategory3Transactions * category3TransactionsAmount
}
};
Assert.Equal(expectedAnalyticsCategories, analyticsCategories);
}
