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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Reflection;
using System.Text;
using AngleSharp.Dom;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;
using Microsoft.AspNetCore.InternalTesting;
namespace Microsoft.AspNetCore.Mvc.FunctionalTests;
public class HtmlGenerationTest :
IClassFixture<MvcTestFixture<HtmlGenerationWebSite.Startup>>,
IClassFixture<MvcEncodedTestFixture<HtmlGenerationWebSite.Startup>>
{
private static readonly Assembly _resourcesAssembly = typeof(HtmlGenerationTest).GetTypeInfo().Assembly;
public HtmlGenerationTest(
MvcTestFixture<HtmlGenerationWebSite.Startup> fixture,
MvcEncodedTestFixture<HtmlGenerationWebSite.Startup> encodedFixture)
{
Factory = fixture.Factories.FirstOrDefault() ?? fixture.WithWebHostBuilder(ConfigureWebHostBuilder);
Client = fixture.CreateDefaultClient();
EncodedClient = encodedFixture.CreateDefaultClient();
}
private static void ConfigureWebHostBuilder(IWebHostBuilder builder) =>
builder.UseStartup<HtmlGenerationWebSite.Startup>();
public HttpClient Client { get; }
public HttpClient EncodedClient { get; }
public WebApplicationFactory<HtmlGenerationWebSite.Startup> Factory { get; }
public static TheoryData<string, string> WebPagesData
{
get
{
var data = new TheoryData<string, string>
{
{ "Customer", "/Customer/HtmlGeneration_Customer" },
{ "Index", null },
{ "Product", null },
{ "Link", null },
{ "Script", null },
// Testing attribute values with boolean and null values
{ "AttributesWithBooleanValues", null },
// Testing SelectTagHelper with Html.BeginForm
{ "CreateWarehouse", "/HtmlGeneration_Home/CreateWarehouse" },
// Testing the HTML helpers with FormTagHelper
{ "EditWarehouse", null },
{ "Form", "/HtmlGeneration_Home/Form" },
// Testing MVC tag helpers invoked in the editor templates from HTML helpers
{ "EmployeeList", "/HtmlGeneration_Home/EmployeeList" },
// Testing the EnvironmentTagHelper
{ "Environment", null },
// Testing InputTagHelper with File
{ "Input", null },
// Test ability to generate nearly identical HTML with MVC tag and HTML helpers.
// Only attribute order should differ.
{ "Order", "/HtmlGeneration_Order/Submit" },
{ "OrderUsingHtmlHelpers", "/HtmlGeneration_Order/Submit" },
// Testing PartialTagHelper
{ "PartialTagHelperWithoutModel", null },
{ "Warehouse", null },
// Testing InputTagHelpers invoked in the partial views
{ "ProductList", "/HtmlGeneration_Product" },
{ "ProductListUsingTagHelpers", "/HtmlGeneration_Product" },
{ "ProductListUsingTagHelpersWithNullModel", "/HtmlGeneration_Product" },
};
return data;
}
}
[Fact]
public async Task EnumValues_SerializeCorrectly()
{
// Arrange & Act
var response = await Client.GetStringAsync("http://localhost/HtmlGeneration_Home/Enum");
// Assert
Assert.Equal($"Vrijdag{Environment.NewLine}Month: FirstOne", response, ignoreLineEndingDifferences: true);
}
[Theory]
[MemberData(nameof(WebPagesData))]
public async Task HtmlGenerationWebSite_GeneratesExpectedResults(string action, string antiforgeryPath)
{
// Arrange
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
var outputFile = "compiler/resources/HtmlGenerationWebSite.HtmlGeneration_Home." + action + ".html";
var expectedContent =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile, sourceFile: false);
// Act
// The host is not important as everything runs in memory and tests are isolated from each other.
var response = await Client.GetAsync("http://localhost/HtmlGeneration_Home/" + action);
var responseContent = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
responseContent = responseContent.Trim();
if (antiforgeryPath == null)
{
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent);
}
else
{
var forgeryToken = AntiforgeryTestHelper.RetrieveAntiforgeryToken(responseContent, antiforgeryPath);
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent, forgeryToken);
}
}
[Fact]
public async Task HtmlGenerationWebSite_GeneratesExpectedResults_WithImageData()
{
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
// Act
// The host is not important as everything runs in memory and tests are isolated from each other.
var response = await Client.GetAsync("HtmlGeneration_Home/image");
// Assert
await response.AssertStatusCodeAsync(HttpStatusCode.OK);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
var document = await response.GetHtmlDocumentAsync();
AssertImgElement(document.GetElementById("1"), new()
{
["src"] = "/images/red.png",
["alt"] = "Red block",
["title"] = "<the title>",
});
// <img src = "/images/red.png?v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk" alt = "Red versioned" title = "Red versioned" />
AssertImgElement(document.GetElementById("2"), new()
{
["src"] = "/images/red.png?v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk",
["alt"] = "Red versioned",
["title"] = "Red versioned",
});
// <img src="/images/red.png" alt="Red explicitly not versioned" title="Red versioned">
AssertImgElement(document.GetElementById("3"), new()
{
["src"] = "/images/red.png",
["alt"] = "Red explicitly not versioned",
["title"] = "Red versioned",
});
// <img src="http://contoso.com/hello/world" alt="Absolute path versioned">
AssertImgElement(document.GetElementById("4"), new()
{
["src"] = "http://contoso.com/hello/world",
["alt"] = "Absolute path versioned",
});
// <img src="/images/fake.png" alt="Path to non existing file" />
AssertImgElement(document.GetElementById("5"), new()
{
["src"] = "/images/fake.png",
["alt"] = "Path to non existing file",
});
// <img src="/images/red.png?abc=def&v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk" alt="Path with query string">
AssertImgElement(document.GetElementById("6"), new()
{
["src"] = "/images/red.png?abc=def&v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk",
["alt"] = "Path with query string",
});
// <img src="/images/red.png?v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk#abc" alt="Path with query string" />
AssertImgElement(document.GetElementById("7"), new()
{
["src"] = "/images/red.png?v=W2F5D366_nQ2fQqUk3URdgWy2ZekXjHzHJaY5yaiOOk#abc",
["alt"] = "Path with query string",
});
// <img src="/controller/action" alt="Path linking to some action">
AssertImgElement(document.GetElementById("8"), new()
{
["src"] = "/controller/action",
["alt"] = "Path linking to some action",
});
static void AssertImgElement(IElement imgElement, Dictionary<string, string> expectedAttributes)
{
Assert.NotNull(imgElement);
Assert.Equal("img", imgElement.TagName, ignoreCase: true);
Assert.Equal(expectedAttributes.Count + 1, imgElement.Attributes.Length); // + 1 for the id-attribute
foreach (var attribute in expectedAttributes)
{
Assert.Equal(attribute.Value, imgElement.GetAttribute(attribute.Key));
}
}
}
[Fact]
public async Task HtmlGenerationWebSite_LinkGeneration_With21CompatibilityBehavior()
{
// Arrange
var client = Factory
.WithWebHostBuilder(builder => builder.UseStartup<HtmlGenerationWebSite.StartupWithoutEndpointRouting>())
.CreateDefaultClient();
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
var outputFile = "compiler/resources/HtmlGenerationWebSite.HtmlGeneration_Home.Index21Compat.html";
var expectedContent =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile, sourceFile: false);
// Act
// The host is not important as everything runs in memory and tests are isolated from each other.
var response = await client.GetAsync("http://localhost/HtmlGeneration_Home/");
var responseContent = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
responseContent = responseContent.Trim();
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent);
}
public static TheoryData<string, string> EncodedPagesData
{
get
{
return new TheoryData<string, string>
{
{ "AttributesWithBooleanValues", null },
{ "EditWarehouse", null },
{ "Index", null },
{ "Order", "/HtmlGeneration_Order/Submit" },
{ "OrderUsingHtmlHelpers", "/HtmlGeneration_Order/Submit" },
{ "Product", null },
};
}
}
[Theory]
[MemberData(nameof(EncodedPagesData))]
public async Task HtmlGenerationWebSite_GenerateEncodedResults(string action, string antiforgeryPath)
{
// Arrange
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
var outputFile = "compiler/resources/HtmlGenerationWebSite.HtmlGeneration_Home." + action + ".Encoded.html";
var expectedContent =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile, sourceFile: false);
// Act
// The host is not important as everything runs in memory and tests are isolated from each other.
var response = await EncodedClient.GetAsync("http://localhost/HtmlGeneration_Home/" + action);
var responseContent = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
responseContent = responseContent.Trim();
if (antiforgeryPath == null)
{
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent);
}
else
{
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent, token: AntiforgeryTestHelper.RetrieveAntiforgeryToken(responseContent, antiforgeryPath));
}
}
[ConditionalTheory]
[InlineData("Link", null)]
[InlineData("Script", null)]
[SkipOnHelix("https://github.com/dotnet/aspnetcore/issues/10423")]
public Task HtmlGenerationWebSite_GenerateEncodedResultsNotReadyForHelix(string action, string antiforgeryPath)
=> HtmlGenerationWebSite_GenerateEncodedResults(action, antiforgeryPath);
// Testing how ModelMetadata is handled as ViewDataDictionary instances are created.
[Theory]
[InlineData("AtViewModel")]
[InlineData("NullViewModel")]
[InlineData("ViewModel")]
public async Task CheckViewData_GeneratesExpectedResults(string action)
{
// Arrange
var expectedMediaType = MediaTypeHeaderValue.Parse("text/html; charset=utf-8");
var outputFile = "compiler/resources/HtmlGenerationWebSite.CheckViewData." + action + ".html";
var expectedContent =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile, sourceFile: false);
// Act
var response = await Client.GetAsync("http://localhost/CheckViewData/" + action);
var responseContent = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Equal(expectedMediaType, response.Content.Headers.ContentType);
responseContent = responseContent.Trim();
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent);
}
[Fact]
public async Task ValidationTagHelpers_GeneratesExpectedSpansAndDivs()
{
// Arrange
var outputFile = "compiler/resources/HtmlGenerationWebSite.HtmlGeneration_Customer.Index.html";
var expectedContent =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile, sourceFile: false);
var request = new HttpRequestMessage(HttpMethod.Post, "http://localhost/Customer/HtmlGeneration_Customer");
var nameValueCollection = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Number", string.Empty),
new KeyValuePair<string,string>("Name", string.Empty),
new KeyValuePair<string,string>("Email", string.Empty),
new KeyValuePair<string,string>("PhoneNumber", string.Empty),
new KeyValuePair<string,string>("Password", string.Empty)
};
request.Content = new FormUrlEncodedContent(nameValueCollection);
// Act
var response = await Client.SendAsync(request);
var responseContent = await response.Content.ReadAsStringAsync();
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
responseContent = responseContent.Trim();
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile, expectedContent, responseContent, token: AntiforgeryTestHelper.RetrieveAntiforgeryToken(responseContent, "Customer/HtmlGeneration_Customer"));
}
[Fact]
public async Task ClientValidators_AreGeneratedDuringInitialRender()
{
// Arrange
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost/Customer/HtmlGeneration_Customer/CustomerWithRecords");
// Act
var response = await Client.SendAsync(request);
// Assert
var document = await response.GetHtmlDocumentAsync();
var numberInput = document.RequiredQuerySelector("input[id=Number]");
Assert.Equal("true", numberInput.GetAttribute("data-val"));
Assert.Equal("The field Number must be between 1 and 100.", numberInput.GetAttribute("data-val-range"));
Assert.Equal("The Number field is required.", numberInput.GetAttribute("data-val-required"));
var passwordInput = document.RequiredQuerySelector("input[id=Password]");
Assert.Equal("true", passwordInput.GetAttribute("data-val"));
Assert.Equal("The Password field is required.", passwordInput.GetAttribute("data-val-required"));
var addressInput = document.RequiredQuerySelector("input[id=Address]");
Assert.Equal("true", addressInput.GetAttribute("data-val"));
Assert.Equal("The Address field is required.", addressInput.GetAttribute("data-val-required"));
}
[Fact]
public async Task ValidationTagHelpers_UsingRecords()
{
// Arrange
var request = new HttpRequestMessage(HttpMethod.Post, "http://localhost/Customer/HtmlGeneration_Customer/CustomerWithRecords");
var nameValueCollection = new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Number", string.Empty),
new KeyValuePair<string,string>("Name", string.Empty),
new KeyValuePair<string,string>("Email", string.Empty),
new KeyValuePair<string,string>("PhoneNumber", string.Empty),
new KeyValuePair<string,string>("Password", string.Empty),
new KeyValuePair<string,string>("Address", string.Empty),
};
request.Content = new FormUrlEncodedContent(nameValueCollection);
// Act
var response = await Client.SendAsync(request);
// Assert
var document = await response.GetHtmlDocumentAsync();
var validation = document.RequiredQuerySelector("span[data-valmsg-for=Number]");
Assert.Equal("The value '' is invalid.", validation.TextContent);
validation = document.QuerySelector("span[data-valmsg-for=Name]");
Assert.Null(validation);
validation = document.QuerySelector("span[data-valmsg-for=Email]");
Assert.Equal("field-validation-valid", validation.ClassName);
validation = document.QuerySelector("span[data-valmsg-for=Password]");
Assert.Equal("The Password field is required.", validation.TextContent);
validation = document.QuerySelector("span[data-valmsg-for=Address]");
Assert.Equal("The Address field is required.", validation.TextContent);
}
[Fact]
public async Task CacheTagHelper_CanCachePortionsOfViewsPartialViewsAndViewComponents()
{
// Arrange
var assertFile =
"compiler/resources/CacheTagHelper_CanCachePortionsOfViewsPartialViewsAndViewComponents.Assert";
var outputFile1 = assertFile + "1.txt";
var expected1 =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile1, sourceFile: false);
var outputFile2 = assertFile + "2.txt";
var expected2 =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile2, sourceFile: false);
var outputFile3 = assertFile + "3.txt";
var expected3 =
await ResourceFile.ReadResourceAsync(_resourcesAssembly, outputFile3, sourceFile: false);
// Act - 1
// Verify that content gets cached based on vary-by-params
var targetUrl = "/catalog?categoryId=1&correlationid=1";
var request = RequestWithLocale(targetUrl, "North");
var response1 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
request = RequestWithLocale(targetUrl, "North");
var response2 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
// Assert - 1
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile1, expected1, response1.Trim());
if (!ResourceFile.GenerateBaselines)
{
Assert.Equal(expected1, response2.Trim(), ignoreLineEndingDifferences: true);
}
// Act - 2
// Verify content gets changed in partials when one of the vary by parameters is changed
targetUrl = "/catalog?categoryId=3&correlationid=2";
request = RequestWithLocale(targetUrl, "North");
var response3 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
request = RequestWithLocale(targetUrl, "North");
var response4 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
// Assert - 2
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile2, expected2, response3.Trim());
if (!ResourceFile.GenerateBaselines)
{
Assert.Equal(expected2, response4.Trim(), ignoreLineEndingDifferences: true);
}
// Act - 3
// Verify content gets changed in a View Component when the Vary-by-header parameters is changed
targetUrl = "/catalog?categoryId=3&correlationid=3";
request = RequestWithLocale(targetUrl, "East");
var response5 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
request = RequestWithLocale(targetUrl, "East");
var response6 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
// Assert - 3
ResourceFile.UpdateOrVerify(_resourcesAssembly, outputFile3, expected3, response5.Trim());
if (!ResourceFile.GenerateBaselines)
{
Assert.Equal(expected3, response6.Trim(), ignoreLineEndingDifferences: true);
}
}
[Fact]
public async Task CacheTagHelper_ExpiresContent_BasedOnExpiresParameter()
{
// Arrange & Act - 1
var response1 = await Client.GetStringAsync("/catalog/2");
// Assert - 1
var expected1 = "Cached content for 2";
Assert.Equal(expected1, response1.Trim());
// Act - 2
await Task.Delay(TimeSpan.FromSeconds(2));
var response2 = await Client.GetStringAsync("/catalog/3");
// Assert - 2
var expected2 = "Cached content for 3";
Assert.Equal(expected2, response2.Trim());
}
[Fact]
public async Task CacheTagHelper_UsesVaryByCookie_ToVaryContent()
{
// Arrange & Act - 1
var response1 = await Client.GetStringAsync("/catalog/cart?correlationid=1");
// Assert - 1
var expected1 = "Cart content for 1";
Assert.Equal(expected1, response1.Trim());
// Act - 2
var request = new HttpRequestMessage(HttpMethod.Get, "/catalog/cart?correlationid=2");
request.Headers.Add("Cookie", "CartId=10");
var response2 = await (await Client.SendAsync(request)).Content.ReadAsStringAsync();
// Assert - 2
var expected2 = "Cart content for 2";
Assert.Equal(expected2, response2.Trim());
// Act - 3
// Resend the cookieless request and cached result from the first response.
var response3 = await Client.GetStringAsync("/catalog/cart?correlationid=3");
// Assert - 3
Assert.Equal(expected1, response3.Trim());
}
[Fact]
public async Task CacheTagHelper_VariesByRoute()
{
// Arrange & Act - 1
var response1 = await Client.GetStringAsync(
"/catalog/north-west/confirm-payment?confirmationId=1");
// Assert - 1
var expected1 = "Welcome Guest. Your confirmation id is 1. (Region north-west)";
Assert.Equal(expected1, response1.Trim());
// Act - 2
var response2 = await Client.GetStringAsync(
"/catalog/south-central/confirm-payment?confirmationId=2");
// Assert - 2
var expected2 = "Welcome Guest. Your confirmation id is 2. (Region south-central)";
Assert.Equal(expected2, response2.Trim());
// Act 3
var response3 = await Client.GetStringAsync(
"/catalog/north-west/Silver/confirm-payment?confirmationId=4");
var expected3 = "Welcome Silver member. Your confirmation id is 4. (Region north-west)";
Assert.Equal(expected3, response3.Trim());
// Act 4
var response4 = await Client.GetStringAsync(
"/catalog/north-west/Gold/confirm-payment?confirmationId=5");
var expected4 = "Welcome Gold member. Your confirmation id is 5. (Region north-west)";
Assert.Equal(expected4, response4.Trim());
// Act - 4
// Resend the responses and expect cached results.
response1 = await Client.GetStringAsync(
"/catalog/north-west/confirm-payment?confirmationId=301");
response2 = await Client.GetStringAsync(
"/catalog/south-central/confirm-payment?confirmationId=402");
response3 = await Client.GetStringAsync(
"/catalog/north-west/Silver/confirm-payment?confirmationId=503");
response4 = await Client.GetStringAsync(
"/catalog/north-west/Gold/confirm-payment?confirmationId=608");
// Assert - 4
Assert.Equal(expected1, response1.Trim());
Assert.Equal(expected2, response2.Trim());
Assert.Equal(expected3, response3.Trim());
Assert.Equal(expected4, response4.Trim());
}
[Fact]
public async Task CacheTagHelper_VariesByUserId()
{
// Arrange & Act - 1
var response1 = await Client.GetStringAsync("/catalog/past-purchases/test1?correlationid=1");
var response2 = await Client.GetStringAsync("/catalog/past-purchases/test1?correlationid=2");
// Assert - 1
var expected1 = "Past purchases for user test1 (1)";
Assert.Equal(expected1, response1.Trim());
Assert.Equal(expected1, response2.Trim());
// Act - 2
var response3 = await Client.GetStringAsync("/catalog/past-purchases/test2?correlationid=3");
var response4 = await Client.GetStringAsync("/catalog/past-purchases/test2?correlationid=4");
// Assert - 2
var expected2 = "Past purchases for user test2 (3)";
Assert.Equal(expected2, response3.Trim());
Assert.Equal(expected2, response4.Trim());
}
[Fact]
public async Task CacheTagHelper_BubblesExpirationOfNestedTagHelpers()
{
// Arrange & Act - 1
var response1 = await Client.GetStringAsync("/categories/Books?correlationId=1");
// Assert - 1
var expected1 =
@"Category: Books
Products: Book1, Book2 (1)";
Assert.Equal(expected1, response1.Trim(), ignoreLineEndingDifferences: true);
// Act - 2
var response2 = await Client.GetStringAsync("/categories/Electronics?correlationId=2");
// Assert - 2
var expected2 =
@"Category: Electronics
Products: Book1, Book2 (1)";
Assert.Equal(expected2, response2.Trim(), ignoreLineEndingDifferences: true);
// Act - 3
// Trigger an expiration of the nested content.
var content = @"[{ ""productName"": ""Music Systems"" },{ ""productName"": ""Televisions"" }]"[{ ""productName"": ""Music Systems"" },{ ""productName"": ""Televisions"" }]";
var requestMessage = new HttpRequestMessage(HttpMethod.Post, "/categories/Electronics");
requestMessage.Content = new StringContent(content, Encoding.UTF8, "application/json");
(await Client.SendAsync(requestMessage)).EnsureSuccessStatusCode();
var response3 = await Client.GetStringAsync("/categories/Electronics?correlationId=3");
// Assert - 3
var expected3 =
@"Category: Electronics
Products: Music Systems, Televisions (3)";
Assert.Equal(expected3, response3.Trim(), ignoreLineEndingDifferences: true);
}
[Fact]
public async Task CacheTagHelper_DoesNotCacheIfDisabled()
{
// Arrange & Act
var response1 = await Client.GetStringAsync("/catalog/GetDealPercentage/20?isEnabled=true");
var response2 = await Client.GetStringAsync("/catalog/GetDealPercentage/40?isEnabled=true");
var response3 = await Client.GetStringAsync("/catalog/GetDealPercentage/30?isEnabled=false");
// Assert
Assert.Equal("Deal percentage is 20", response1.Trim());
Assert.Equal("Deal percentage is 20", response2.Trim());
Assert.Equal("Deal percentage is 30", response3.Trim());
}
[Fact]
public async Task EditorTemplateWithNoModel_RendersWithCorrectMetadata()
{
// Arrange
var expected =
"<label class=\"control-label col-md-2\" for=\"Name\">ItemName</label>" + Environment.NewLine +
"<input id=\"Name\" name=\"Name\" type=\"text\" value=\"\" />" + Environment.NewLine + Environment.NewLine +
"<label class=\"control-label col-md-2\" for=\"Id\">ItemNo</label>" + Environment.NewLine +
"<input data-val=\"true\" data-val-required=\"The ItemNo field is required.\" id=\"Id\" name=\"Id\" type=\"text\" value=\"\" />" +
Environment.NewLine + Environment.NewLine;
// Act
var response = await Client.GetStringAsync("http://localhost/HtmlGeneration_Home/ItemUsingSharedEditorTemplate");
// Assert
Assert.Equal(expected, response, ignoreLineEndingDifferences: true);
}
[Fact]
public async Task EditorTemplateWithSpecificModel_RendersWithCorrectMetadata()
{
// Arrange
var expected = "<label for=\"Description\">ItemDesc</label>" + Environment.NewLine +
"<input id=\"Description\" name=\"Description\" type=\"text\" value=\"\" />" + Environment.NewLine + Environment.NewLine;
// Act
var response = await Client.GetStringAsync("http://localhost/HtmlGeneration_Home/ItemUsingModelSpecificEditorTemplate");
// Assert
Assert.Equal(expected, response, ignoreLineEndingDifferences: true);
}
// We want to make sure that for 'weird' model expressions involving:
// - fields
// - statics
// - private
//
// These tests verify that we don't throw, and can evaluate the expression to get the model
// value. One quirk of behavior for these cases is that we can't return a correct model metadata
// instance (this is true for anything other than a public instance property). We're not overly
// concerned with that, and so the accuracy of the model metadata is not verified by the test.
[Theory]
[InlineData("GetWeirdWithHtmlHelpers")]
[InlineData("GetWeirdWithTagHelpers")]
public async Task WeirdModelExpressions_CanAccessModelValues(string action)
{
// Arrange
var url = "http://localhost/HtmlGeneration_WeirdExpressions/" + action;
// Act
var response = await Client.GetStringAsync(url);
// Assert
Assert.Contains("Hello, Field World!", response);
Assert.Contains("Hello, Static World!", response);
Assert.Contains("Hello, Private World!", response);
}
[Fact]
public async Task PartialTagHelper_AllowsPassingModelValue()
{
// Arrange
var url = "/HtmlGeneration_Home/StatusMessage";
// Act
var document = await Client.GetHtmlDocumentAsync(url);
// Assert
var banner = document.RequiredQuerySelector(".banner");
Assert.Equal("Some status message", banner.TextContent);
}
[Fact]
public async Task PartialTagHelper_AllowsPassingNullModelValue()
{
// Regression test for https://github.com/aspnet/Mvc/issues/7667.
// Arrange
var url = "/HtmlGeneration_Home/NullStatusMessage";
// Act
var document = await Client.GetHtmlDocumentAsync(url);
// Assert
var banner = document.RequiredQuerySelector(".banner");
Assert.Empty(banner.TextContent);
}
[Fact]
public async Task PartialTagHelper_AllowsUsingFallback()
{
// Arrange
var url = "/Customer/PartialWithFallback";
// Act
var document = await Client.GetHtmlDocumentAsync(url);
// Assert
var content = document.RequiredQuerySelector("#content");
Assert.Equal("Hello from fallback", content.TextContent);
}
[Fact]
public async Task PartialTagHelper_AllowsUsingOptional()
{
// Arrange
var url = "/Customer/PartialWithOptional";
// Act
var document = await Client.GetHtmlDocumentAsync(url);
// Assert
var content = document.RequiredQuerySelector("#content");
Assert.Empty(content.TextContent);
}
[Fact]
public async Task ValidationProviderAttribute_ValidationTagHelpers_GeneratesExpectedDataAttributes()
{
// Act
var document = await Client.GetHtmlDocumentAsync("HtmlGeneration_Home/ValidationProviderAttribute");
// Assert
var firstName = document.RequiredQuerySelector("#FirstName");
Assert.Equal("true", firstName.GetAttribute("data-val"));
Assert.Equal("The FirstName field is required.", firstName.GetAttribute("data-val-required"));
Assert.Equal("The field FirstName must be a string with a maximum length of 5.", firstName.GetAttribute("data-val-length"));
Assert.Equal("5", firstName.GetAttribute("data-val-length-max"));
Assert.Equal("The field FirstName must match the regular expression '[A-Za-z]*'.", firstName.GetAttribute("data-val-regex"));
Assert.Equal("[A-Za-z]*", firstName.GetAttribute("data-val-regex-pattern"));
var lastName = document.RequiredQuerySelector("#LastName");
Assert.Equal("true", lastName.GetAttribute("data-val"));
Assert.Equal("The LastName field is required.", lastName.GetAttribute("data-val-required"));
Assert.Equal("The field LastName must be a string with a maximum length of 6.", lastName.GetAttribute("data-val-length"));
Assert.Equal("6", lastName.GetAttribute("data-val-length-max"));
Assert.False(lastName.HasAttribute("data-val-regex"));
}
[Fact]
public async Task ValidationProviderAttribute_ValidationTagHelpers_GeneratesExpectedSpansAndDivsOnValidationError()
{
// Arrange
var request = new HttpRequestMessage(HttpMethod.Post, "HtmlGeneration_Home/ValidationProviderAttribute");
request.Content = new FormUrlEncodedContent(new Dictionary<string, string>
{
{ "FirstName", "TestFirstName" },
});
// Act
var response = await Client.SendAsync(request);
// Assert
await response.AssertStatusCodeAsync(HttpStatusCode.OK);
var document = await response.GetHtmlDocumentAsync();
Assert.Collection(
document.QuerySelectorAll("div.validation-summary-errors ul li"),
item => Assert.Equal("The field FirstName must be a string with a maximum length of 5.", item.TextContent),
item => Assert.Equal("The LastName field is required.", item.TextContent));
}
private static HttpRequestMessage RequestWithLocale(string url, string locale)
{
var request = new HttpRequestMessage(HttpMethod.Get, url);
request.Headers.Add("Locale", locale);
return request;
}
}
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