421 lines
17 KiB
C#
421 lines
17 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 5: 导出数据完整性
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/// <summary>
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/// Property 5: 导出数据完整性
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/// For any 导出操作，导出的 Excel 文件中的记录数应等于查询结果的记录数（导出全部）或选中的记录数（导出所选）。
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/// Validates: Requirements 6.1, 6.2
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/// </summary>
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[Property(MaxTest = 100)]
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public Property ExportedExcel_RecordCount_ShouldMatchInputCount()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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(recordCountGen) =>
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{
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var recordCount = (recordCountGen.Get % 50) + 1; // 1-50 条记录
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var records = GenerateTestRecords(recordCount);
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var downloadedImages = new Dictionary<string, byte[]>();
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var outputPath = Path.Combine(_testOutputDir, $"test_{Guid.NewGuid():N}.xlsx");
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var excelService = new ExcelService();
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// 生成 Excel
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excelService.GenerateExcel(outputPath, records, downloadedImages);
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// 验证记录数
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using var package = new ExcelPackage(new FileInfo(outputPath));
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var worksheet = package.Workbook.Worksheets[0];
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var dataRowCount = worksheet.Dimension.End.Row - 1; // 减去表头行
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// 清理
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File.Delete(outputPath);
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return (dataRowCount == recordCount)
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.Label($"Excel row count {dataRowCount} should equal input record count {recordCount}");
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});
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}
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/// <summary>
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/// Property 5 扩展: 导出的数据内容应与输入一致
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/// </summary>
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[Property(MaxTest = 100)]
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public Property ExportedExcel_DataContent_ShouldMatchInput()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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(recordCountGen) =>
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{
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var recordCount = (recordCountGen.Get % 20) + 1;
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var records = GenerateTestRecords(recordCount);
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var downloadedImages = new Dictionary<string, byte[]>();
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var outputPath = Path.Combine(_testOutputDir, $"test_{Guid.NewGuid():N}.xlsx");
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var excelService = new ExcelService();
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excelService.GenerateExcel(outputPath, records, downloadedImages);
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using var package = new ExcelPackage(new FileInfo(outputPath));
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var worksheet = package.Workbook.Worksheets[0];
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// 验证每条记录的部门名称
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var allMatch = true;
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for (int i = 0; i < records.Count; i++)
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{
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var row = i + 2; // 跳过表头
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var cellValue = worksheet.Cells[row, 2].Value?.ToString() ?? "";
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if (cellValue != records[i].DeptName)
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{
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allMatch = false;
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break;
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}
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}
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File.Delete(outputPath);
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return allMatch.Label("All department names should match");
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});
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}
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#endregion
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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 Property 8: Excel 图片布局
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/// <summary>
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/// Property 8: Excel 图片布局
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/// For any 导出的 Excel 文件，每个单元格中的图片应按水平排列，图片尺寸应为 100x60 像素。
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/// Validates: Requirements 6.6, 6.7
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/// </summary>
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[Property(MaxTest = 50)]
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public Property ExcelImages_Layout_ShouldBeHorizontal()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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(imageCountGen) =>
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{
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var imageCount = (imageCountGen.Get % 5) + 1; // 1-5 张图片
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var records = new List<WorkRecordExportDto>
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{
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GenerateRecordWithImages(imageCount)
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};
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// 创建测试图片数据
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var downloadedImages = new Dictionary<string, byte[]>();
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foreach (var url in records[0].Images)
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{
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downloadedImages[url] = CreateTestImageData();
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}
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var outputPath = Path.Combine(_testOutputDir, $"test_{Guid.NewGuid():N}.xlsx");
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var excelService = new ExcelService();
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excelService.GenerateExcel(outputPath, records, downloadedImages);
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using var package = new ExcelPackage(new FileInfo(outputPath));
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var worksheet = package.Workbook.Worksheets[0];
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// 获取图片
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var drawings = worksheet.Drawings;
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var imagesInRow = drawings.Where(d => d.Name.StartsWith("img_2_3_")).ToList();
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// 验证图片数量
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var countMatch = imagesInRow.Count == imageCount;
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// 验证图片水平排列（X 坐标递增）
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var horizontalLayout = true;
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if (imagesInRow.Count > 1)
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{
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var xPositions = imagesInRow
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.Select(d => d.From.ColumnOff)
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.ToList();
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for (int i = 1; i < xPositions.Count; i++)
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{
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if (xPositions[i] <= xPositions[i - 1])
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{
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horizontalLayout = false;
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break;
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}
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}
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}
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File.Delete(outputPath);
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return (countMatch && horizontalLayout)
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.Label($"Image count should be {imageCount} (got {imagesInRow.Count}) and layout should be horizontal");
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});
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}
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/// <summary>
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/// Property 8 扩展: 图片应被正确嵌入到 Excel
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/// 验证图片数量和存在性，而不是精确尺寸（EPPlus 内部处理尺寸）
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/// </summary>
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[Property(MaxTest = 50)]
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public Property ExcelImages_ShouldBeEmbedded()
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{
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return Prop.ForAll(
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Arb.From<PositiveInt>(),
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(imageCountGen) =>
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{
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var imageCount = (imageCountGen.Get % 3) + 1;
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var records = new List<WorkRecordExportDto>
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{
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GenerateRecordWithImages(imageCount)
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};
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var downloadedImages = new Dictionary<string, byte[]>();
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foreach (var url in records[0].Images)
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{
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downloadedImages[url] = CreateTestImageData();
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}
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var outputPath = Path.Combine(_testOutputDir, $"test_{Guid.NewGuid():N}.xlsx");
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var excelService = new ExcelService();
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excelService.GenerateExcel(outputPath, records, downloadedImages);
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using var package = new ExcelPackage(new FileInfo(outputPath));
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var worksheet = package.Workbook.Worksheets[0];
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var drawings = worksheet.Drawings;
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var images = drawings.Where(d => d.Name.StartsWith("img_")).ToList();
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// 验证图片数量正确
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var countCorrect = images.Count == imageCount;
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// 验证所有图片都是 ExcelPicture 类型
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var allArePictures = images.All(img => img is OfficeOpenXml.Drawing.ExcelPicture);
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File.Delete(outputPath);
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return (countCorrect && allArePictures)
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.Label($"Should have {imageCount} embedded pictures, got {images.Count}");
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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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/// 生成测试记录
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/// </summary>
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private List<WorkRecordExportDto> GenerateTestRecords(int count)
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{
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return Enumerable.Range(1, count).Select(i => new WorkRecordExportDto
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{
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Id = i,
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DeptName = $"部门{i}",
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RecordTime = DateTime.Now.AddDays(-i),
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Address = $"地址{i}",
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Content = $"工作内容{i}",
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StatusName = "正常",
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Workers = new List<string> { $"工人{i}" },
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Images = new List<string>(),
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CreateTime = DateTime.Now.AddDays(-i),
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UpdateTime = DateTime.Now
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}).ToList();
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}
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/// <summary>
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/// 生成带图片的测试记录
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/// </summary>
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private WorkRecordExportDto GenerateRecordWithImages(int imageCount)
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{
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return new WorkRecordExportDto
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{
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Id = 1,
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DeptName = "测试部门",
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RecordTime = DateTime.Now,
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Address = "测试地址",
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Content = "测试内容",
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StatusName = "正常",
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Workers = new List<string> { "测试工人" },
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Images = Enumerable.Range(1, imageCount)
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.Select(i => $"http://test.local/image{i}.jpg")
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.ToList(),
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CreateTime = DateTime.Now,
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UpdateTime = DateTime.Now
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};
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}
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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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/// <summary>
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/// 创建测试图片数据（最小有效 JPEG）
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/// </summary>
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private static byte[] CreateTestImageData()
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{
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return new byte[]
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{
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0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01,
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0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43,
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0x00, 0x08, 0x06, 0x06, 0x07, 0x06, 0x05, 0x08, 0x07, 0x07, 0x07, 0x09,
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0x09, 0x08, 0x0A, 0x0C, 0x14, 0x0D, 0x0C, 0x0B, 0x0B, 0x0C, 0x19, 0x12,
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0x13, 0x0F, 0x14, 0x1D, 0x1A, 0x1F, 0x1E, 0x1D, 0x1A, 0x1C, 0x1C, 0x20,
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0x24, 0x2E, 0x27, 0x20, 0x22, 0x2C, 0x23, 0x1C, 0x1C, 0x28, 0x37, 0x29,
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0x2C, 0x30, 0x31, 0x34, 0x34, 0x34, 0x1F, 0x27, 0x39, 0x3D, 0x38, 0x32,
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0x3C, 0x2E, 0x33, 0x34, 0x32, 0xFF, 0xC0, 0x00, 0x0B, 0x08, 0x00, 0x01,
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0x00, 0x01, 0x01, 0x01, 0x11, 0x00, 0xFF, 0xC4, 0x00, 0x1F, 0x00, 0x00,
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0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03,
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0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D,
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0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06,
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0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08,
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0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72,
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0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28,
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0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45,
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0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
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0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
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0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
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0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3,
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0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
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0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9,
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0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
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0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4,
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0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xDA, 0x00, 0x08, 0x01, 0x01,
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0x00, 0x00, 0x3F, 0x00, 0xFB, 0xD5, 0xDB, 0x20, 0xA8, 0xF1, 0x7E, 0xA9,
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0x00, 0x0C, 0x3E, 0xF8, 0xA8, 0x6E, 0x2D, 0xA3, 0x80, 0x0F, 0x2A, 0x36,
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0x07, 0xB0, 0xA0, 0x0F, 0xFF, 0xD9
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};
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}
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#endregion
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}
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}
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