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# ASP.NET Core MVC / Razor Pages: 测试 |
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> 你可以参考[ASP.NET Core集成测试文档](https://docs.microsoft.com/en-us/aspnet/core/test/integration-tests)了解ASP.NET Core集成测试的详细内容. 本文档解释了ABP框架提供的附加测试基础设施. |
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## 应用程序启动模板 |
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应用程序启动模板的`.Web`项目其中包含应用程序的UI视图/页面/组件, 并提供`.Web.Tests`项目来测试这些内容. |
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## 测试Razor页面 |
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假设你已经创建了一个名为`Issues.cshtml`的Razor页面, 包含以下内容; |
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**Issues.cshtml.cs** |
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````csharp |
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using System.Collections.Generic; |
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using System.Threading.Tasks; |
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using Microsoft.AspNetCore.Mvc.RazorPages; |
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using MyProject.Issues; |
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namespace MyProject.Web.Pages |
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{ |
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public class IssuesModel : PageModel |
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{ |
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public List<IssueDto> Issues { get; set; } |
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private readonly IIssueAppService _issueAppService; |
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public IssuesModel(IIssueAppService issueAppService) |
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{ |
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_issueAppService = issueAppService; |
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} |
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public async Task OnGetAsync() |
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{ |
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Issues = await _issueAppService.GetListAsync(); |
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} |
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} |
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} |
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```` |
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**Issues.cshtml** |
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````html |
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@page |
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@model MyProject.Web.Pages.IssuesModel |
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<h2>Issue List</h2> |
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<table id="IssueTable" class="table"> |
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<thead> |
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<tr> |
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<th>Issue</th> |
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<th>Closed?</th> |
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</tr> |
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</thead> |
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<tbody> |
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@foreach (var issue in Model.Issues) |
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{ |
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<tr> |
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<td>@issue.Title</td> |
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<td> |
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@if (issue.IsClosed) |
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{ |
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<span>Closed</span> |
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} |
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else |
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{ |
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<span>Open</span> |
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} |
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</td> |
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</tr> |
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} |
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</tbody> |
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</table> |
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```` |
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本页仅创建一个包含issue的表格: |
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你可以在`.Web.Tests`项目中编写一个测试类如下所示: |
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````csharp |
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using System.Threading.Tasks; |
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using HtmlAgilityPack; |
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using Shouldly; |
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using Xunit; |
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namespace MyProject.Pages |
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{ |
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public class Issues_Tests : MyProjectWebTestBase |
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{ |
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[Fact] |
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public async Task Should_Get_Table_Of_Issues() |
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{ |
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// Act |
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var response = await GetResponseAsStringAsync("/Issues"); |
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//Assert |
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var htmlDocument = new HtmlDocument(); |
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htmlDocument.LoadHtml(response); |
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var tableElement = htmlDocument.GetElementbyId("IssueTable"); |
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tableElement.ShouldNotBeNull(); |
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var trNodes = tableElement.SelectNodes("//tbody/tr"); |
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trNodes.Count.ShouldBeGreaterThan(0); |
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} |
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} |
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} |
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```` |
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`GetResponseAsStringAsync`是一个快捷方法, 它来自执行HTTP GET请求的基类, 检查生成的HTTP状态是否为`200`, 并将响应作为`string`返回. |
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> 你可以使用`Client`对象(类型为`HttpClient`)对服务器执行任何类型的请求, 并读取响应.`GetResponseAsStringAsync`只是一种快捷方法. |
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本例使用[HtmlAgilityPack](https://html-agility-pack.net/)库来解析传入的HTML并测试它是否包含issue表格. |
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> 本例假设的数据库中存在一些初始issue. 请参阅[测试文档](../../Testing.md)的*种子数据*部分, 了解如何设置种子数据, 以便可以假定数据库中有一些可用的初始数据. |
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## 控制器测试 |
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测试控制器也不例外. 只需使用正确的URL向服务器执行请求, 获取响应并做出断言. |
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### 查看结果 |
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如果控制器返回一个视图, 你可以使用类似的代码来测试返回的HTML. 参见上面的Razor页面示例. |
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### 对象结果 |
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如果控制器返回对象结果, 则可以使用`GetResponseAsObjectAsync`方法. |
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假设你有一个如下定义的控制器: |
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````csharp |
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using System.Collections.Generic; |
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using System.Threading.Tasks; |
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using Microsoft.AspNetCore.Mvc; |
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using MyProject.Issues; |
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using Volo.Abp.AspNetCore.Mvc; |
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namespace MyProject.Web.Controllers |
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{ |
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[Route("api/issues")] |
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public class IssueController : AbpController |
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{ |
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private readonly IIssueAppService _issueAppService; |
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public IssueController(IIssueAppService issueAppService) |
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{ |
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_issueAppService = issueAppService; |
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} |
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[HttpGet] |
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public async Task<List<IssueDto>> GetAsync() |
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{ |
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return await _issueAppService.GetListAsync(); |
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} |
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} |
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} |
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```` |
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你可以编写测试代码来调用API并获得结果: |
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````csharp |
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using System.Collections.Generic; |
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using System.Threading.Tasks; |
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using MyProject.Issues; |
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using Shouldly; |
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using Xunit; |
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namespace MyProject.Pages |
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{ |
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public class Issues_Tests : MyProjectWebTestBase |
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{ |
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[Fact] |
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public async Task Should_Get_Issues_From_Api() |
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{ |
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var issues = await GetResponseAsObjectAsync<List<IssueDto>>("/api/issues"); |
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issues.ShouldNotBeNull(); |
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issues.Count.ShouldBeGreaterThan(0); |
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} |
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} |
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} |
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```` |
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## 测试JavaScript代码 |
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ABP框架不提供任何基础设施来测试JavaScript代码. 你可以使用任何测试框架和工具来测试JavaScript代码. |
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## 测试基础设施 |
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[Volo.Abp.AspNetCore.TestBase](https://www.nuget.org/packages/Volo.Abp.AspNetCore.TestBase) 提供了集成到ABP框架和ASP.NET Core的测试基础设施. |
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> Volo.Abp.AspNetCore.TestBase 已经安装在 `.Web.Tests` 项目中. |
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此包提供的`AbpAspNetCoreIntegratedTestBase`作为派生测试类的基类. 上面使用的`MyProjectWebTestBase`继承自`AbpAspNetCoreIntegratedTestBase`, 因此我们间接继承了`AbpAspNetCoreIntegratedTestBase`. |
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### 基本属性 |
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`AbpAspNetCoreIntegratedTestBase` 提供了测试中使用的以下基本属性: |
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* `Server`: 在测试中托管web应用程序的`TestServer`实例. |
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* `Client`: 为执行对测试服务器的请求配置`HttpClient`实例. |
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* `ServiceProvider`: 可以在你需要时处理服务提供服务. |
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### 基本方法 |
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`AbpAspNetCoreIntegratedTestBase` 提供了以下方法, 如果需要自定义测试服务器, 可以重写这些方法: |
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* `ConfigureServices` 仅为派生测试类注册/替换服务时可以重写使用. |
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* `CreateHostBuilder` 可用于自定义生成 `IHostBuilder`. |
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另请参阅 |
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* [总览/服务器端测试](../../Testing.md) |
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