143 lines
4.5 KiB
C#
143 lines
4.5 KiB
C#
using FsCheck;
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using FsCheck.Xunit;
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using OfficeOpenXml;
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using WorkCameraExport.Models;
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using WorkCameraExport.Services;
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using Xunit;
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namespace WorkCameraExport.Tests
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{
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/// <summary>
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/// ExportService 属性测试
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/// Feature: work-camera-2.0.1
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/// </summary>
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public class ExportServicePropertyTests : IDisposable
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{
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private readonly string _testOutputDir;
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public ExportServicePropertyTests()
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{
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_testOutputDir = Path.Combine(Path.GetTempPath(), $"ExportService_Test_{Guid.NewGuid():N}");
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Directory.CreateDirectory(_testOutputDir);
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ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
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}
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public void Dispose()
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{
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try
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{
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if (Directory.Exists(_testOutputDir))
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{
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Directory.Delete(_testOutputDir, true);
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}
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}
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catch
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{
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// 忽略清理错误
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}
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}
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#region Property 6: 分页数据获取
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/// <summary>
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/// Property 6: 分页数据获取
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/// For any 分页查询，每页返回的数据量应不超过 pageSize（50），且所有页的数据合并后应等于总记录数。
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/// Validates: Requirements 6.3
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/// </summary>
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[Property(MaxTest = 100)]
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public Property PaginatedData_PageSize_ShouldNotExceedLimit()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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Arb.From<PositiveInt>(),
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(totalCountGen, pageSizeGen) =>
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{
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var totalCount = (totalCountGen.Get % 200) + 1; // 1-200 条记录
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var pageSize = (pageSizeGen.Get % 50) + 1; // 1-50 每页
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// 模拟分页
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var pages = SimulatePagination(totalCount, pageSize);
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// 验证每页数据量不超过 pageSize
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var allPagesValid = pages.All(p => p.Count <= pageSize);
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// 验证总数据量等于 totalCount
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var totalFromPages = pages.Sum(p => p.Count);
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return (allPagesValid && totalFromPages == totalCount)
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.Label($"All pages should have <= {pageSize} items and total should be {totalCount}, got {totalFromPages}");
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});
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}
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/// <summary>
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/// Property 6 扩展: 分页后的数据应保持顺序
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/// </summary>
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[Property(MaxTest = 100)]
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public Property PaginatedData_Order_ShouldBePreserved()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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(totalCountGen) =>
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{
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var totalCount = (totalCountGen.Get % 100) + 1;
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var pageSize = 50;
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// 生成有序数据
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var allData = Enumerable.Range(1, totalCount).ToList();
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// 模拟分页获取
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var pages = SimulatePaginationWithData(allData, pageSize);
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// 合并所有页
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var merged = pages.SelectMany(p => p).ToList();
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// 验证顺序
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var orderPreserved = merged.SequenceEqual(allData);
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return orderPreserved.Label("Data order should be preserved after pagination");
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});
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}
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#endregion
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#region 辅助方法
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/// <summary>
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/// 模拟分页
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/// </summary>
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private List<List<int>> SimulatePagination(int totalCount, int pageSize)
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{
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var pages = new List<List<int>>();
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var remaining = totalCount;
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var pageNum = 0;
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while (remaining > 0)
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{
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var count = Math.Min(remaining, pageSize);
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pages.Add(Enumerable.Range(pageNum * pageSize + 1, count).ToList());
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remaining -= count;
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pageNum++;
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}
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return pages;
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}
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/// <summary>
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/// 模拟分页（带数据）
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/// </summary>
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private List<List<int>> SimulatePaginationWithData(List<int> data, int pageSize)
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{
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var pages = new List<List<int>>();
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for (int i = 0; i < data.Count; i += pageSize)
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{
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pages.Add(data.Skip(i).Take(pageSize).ToList());
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}
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return pages;
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}
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#endregion
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}
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}
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