commit 9df23c52804fadde1470851ca63ff6e54e4f9a8b Author: KaidashA Date: Thu Oct 29 14:55:06 2026 +0400 Задание 5: модульные тесты ProductCalculator diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..7282699 --- /dev/null +++ b/.gitignore @@ -0,0 +1,487 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from `dotnet new gitignore` + +# dotenv files +.env + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET +project.lock.json +project.fragment.lock.json +artifacts/ + +# Tye +.tye/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +# but not Directory.Build.rsp, as it configures directory-level build defaults +!Directory.Build.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e +# but not directories ending in .e2e +!*.e2e/ + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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Задание 5: тестирование программных модулей + +Проект ShoeStore.Logic содержит класс ProductCalculator (Приложение 4), проект ShoeStore.Tests - модульные тесты MSTest. + +## Протокол тестирования + +Фреймворк модульного тестирования: MSTest (.NET 8). + +Порядок запуска тестов: +1. Открыть решение в Visual Studio 2022. +2. Меню «Тест» -> «Обозреватель тестов». +3. Нажать «Запустить все тесты в представлении». + +Запуск из командной строки (в папке решения): dotnet test + +| № | Проверяемый случай | Входные данные | Ожидаемый результат | Фактический результат | Статус | +|---|---|---|---|---|---| +| 1 | Заказов в предыдущем месяце нет | Цена 2000; заказов нет; дата расчета 15.06.2027 | 1500 | 1500 | Пройден | +| 2 | Есть заказ в предыдущем месяце | Цена 2000; заказ 10.05.2027; дата расчета 15.06.2027 | 2000 | 2000 | Пройден | +| 3 | Граничное значение количества | Количество пар: 5 | мало | мало | Пройден | +| 4 | Количество больше порогового | Количество пар: 6 | много | много | Пройден | diff --git a/ShoeStore.Logic.slnx b/ShoeStore.Logic.slnx new file mode 100644 index 0000000..5a6d114 --- /dev/null +++ b/ShoeStore.Logic.slnx @@ -0,0 +1,4 @@ + + + + diff --git a/ShoeStore.Logic/ProductCalculator.cs b/ShoeStore.Logic/ProductCalculator.cs new file mode 100644 index 0000000..795620d --- /dev/null +++ b/ShoeStore.Logic/ProductCalculator.cs @@ -0,0 +1,58 @@ +using System; +using System.Collections.Generic; +using System.Linq; + +namespace ShoeStore.Logic +{ + /// + /// Расчет показателей товара для каталога. + /// + public static class ProductCalculator + { + public const decimal DiscountPercent = 25m; + public const int ManyQuantityThreshold = 5; + + /// + /// Возвращает цену товара с учетом скидки. + /// Скидка 25% предоставляется, если в предыдущем календарном месяце + /// (относительно даты расчета) по товару не было заказов. + /// + /// Цена товара в рублях. + /// Даты заказов товара (может быть пустым). + /// Дата расчета. + public static decimal CalculateDiscountedPrice(decimal price, IEnumerable orderDates, DateTime calculationDate) + { + if (price < 0) + { + throw new ArgumentOutOfRangeException(nameof(price), "Цена не может быть отрицательной."); + } + if (orderDates == null) + { + throw new ArgumentNullException(nameof(orderDates)); + } + + DateTime currentMonthStart = new DateTime(calculationDate.Year, calculationDate.Month, 1); + DateTime previousMonthStart = currentMonthStart.AddMonths(-1); + bool hasOrdersInPreviousMonth = orderDates.Any(date => date >= previousMonthStart && date < currentMonthStart); + + if (hasOrdersInPreviousMonth) + { + return price; + } + return Math.Round(price * (100m - DiscountPercent) / 100m, 2); + } + + /// + /// Возвращает признак количества: «много», если пар больше пяти, иначе «мало». + /// + /// Количество пар суммарно по всем размерам. + public static string GetQuantityLabel(int totalQuantity) + { + if (totalQuantity < 0) + { + throw new ArgumentOutOfRangeException(nameof(totalQuantity), "Количество не может быть отрицательным."); + } + return totalQuantity > ManyQuantityThreshold ? "много" : "мало"; + } + } +} diff --git a/ShoeStore.Logic/ShoeStore.Logic.csproj b/ShoeStore.Logic/ShoeStore.Logic.csproj new file mode 100644 index 0000000..b760144 --- /dev/null +++ b/ShoeStore.Logic/ShoeStore.Logic.csproj @@ -0,0 +1,9 @@ + + + + net10.0 + enable + enable + + + diff --git a/ShoeStore.Tests/MSTestSettings.cs b/ShoeStore.Tests/MSTestSettings.cs new file mode 100644 index 0000000..aaf278c --- /dev/null +++ b/ShoeStore.Tests/MSTestSettings.cs @@ -0,0 +1 @@ +[assembly: Parallelize(Scope = ExecutionScope.MethodLevel)] diff --git a/ShoeStore.Tests/ProductCalculatorTests.cs b/ShoeStore.Tests/ProductCalculatorTests.cs new file mode 100644 index 0000000..9a890a6 --- /dev/null +++ b/ShoeStore.Tests/ProductCalculatorTests.cs @@ -0,0 +1,55 @@ +using System; +using System.Collections.Generic; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using ShoeStore.Logic; + +namespace ShoeStore.Tests +{ + [TestClass] + public class ProductCalculatorTests + { + // Случай 1: заказов в предыдущем месяце нет - цена со скидкой + [TestMethod] + public void CalculateDiscountedPrice_NoOrdersInPreviousMonth_ReturnsPriceWithDiscount() + { + decimal price = 2000m; + List orderDates = new List(); + DateTime calculationDate = new DateTime(2027, 6, 15); + + decimal result = ProductCalculator.CalculateDiscountedPrice(price, orderDates, calculationDate); + + Assert.AreEqual(1500m, result); + } + + // Случай 2: есть заказ в предыдущем месяце - цена без скидки + [TestMethod] + public void CalculateDiscountedPrice_OrderInPreviousMonth_ReturnsPriceWithoutDiscount() + { + decimal price = 2000m; + List orderDates = new List { new DateTime(2027, 5, 10) }; + DateTime calculationDate = new DateTime(2027, 6, 15); + + decimal result = ProductCalculator.CalculateDiscountedPrice(price, orderDates, calculationDate); + + Assert.AreEqual(2000m, result); + } + + // Случай 3: граничное значение - «мало» + [TestMethod] + public void GetQuantityLabel_FivePairs_ReturnsFew() + { + string result = ProductCalculator.GetQuantityLabel(5); + + Assert.AreEqual("мало", result); + } + + // Случай 4: больше порогового - «много» + [TestMethod] + public void GetQuantityLabel_SixPairs_ReturnsMany() + { + string result = ProductCalculator.GetQuantityLabel(6); + + Assert.AreEqual("много", result); + } + } +} diff --git a/ShoeStore.Tests/ShoeStore.Tests.csproj b/ShoeStore.Tests/ShoeStore.Tests.csproj new file mode 100644 index 0000000..dd16a89 --- /dev/null +++ b/ShoeStore.Tests/ShoeStore.Tests.csproj @@ -0,0 +1,21 @@ + + + + net10.0 + enable + enable + + + + + + + + + + + + + + + diff --git a/tests_result.png b/tests_result.png new file mode 100644 index 0000000..8aadafe Binary files /dev/null and b/tests_result.png differ