public void ValidationSummary_InvalidModel_ReturnsExpectedDiv(
bool excludePropertyErrors,
bool clientValidationEnabled,
string expected,
string ignored)
{
// Arrange
var model = new ValidationModel();
var html = DefaultTemplatesUtilities.GetHtmlHelper(model);
html.ViewContext.ClientValidationEnabled = clientValidationEnabled;
html.ViewData.ModelState.AddModelError(string.Empty, "This is my validation message");
// Act
var result = html.ValidationSummary(
excludePropertyErrors: excludePropertyErrors,
message: null,
htmlAttributes: null,
tag: null);
// Assert
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(result));
}
public void LabelHelpers_ReturnEmptyForModel_IfDisplayNameEmpty()
{
// Arrange
var provider = new TestModelMetadataProvider();
provider
.ForType <DefaultTemplatesUtilities.ObjectTemplateModel>()
.DisplayDetails(dd => dd.DisplayName = () => string.Empty);
var helper = DefaultTemplatesUtilities.GetHtmlHelper(provider: provider);
// Act
var labelResult = helper.Label(expression: string.Empty);
var labelNullResult = helper.Label(expression: null); // null is another alias for current model
var labelForResult = helper.LabelFor(m => m);
var labelForModelResult = helper.LabelForModel();
// Assert
Assert.Empty(HtmlContentUtilities.HtmlContentToString(labelResult));
Assert.Empty(HtmlContentUtilities.HtmlContentToString(labelNullResult));
Assert.Empty(HtmlContentUtilities.HtmlContentToString(labelForResult));
Assert.Empty(HtmlContentUtilities.HtmlContentToString(labelForModelResult));
}
public void CheckBoxFor_WithAttributeDictionary_GeneratesExpectedAttributes()
{
// Arrange
var requiredMessage = ValidationAttributeUtil.GetRequiredErrorMessage("Property1");
var expected =
$@"<input data-val=""HtmlEncode[[true]]"" data-val-required=""HtmlEncode[[{requiredMessage}]]"" " +
@"id=""HtmlEncode[[Property1]]"" name=""HtmlEncode[[Property1]]"" " +
@"Property3=""HtmlEncode[[Property3Value]]"" type=""HtmlEncode[[checkbox]]"" " +
@"value=""HtmlEncode[[true]]"" /><input name=""HtmlEncode[[Property1]]"" " +
@"type=""HtmlEncode[[hidden]]"" value=""HtmlEncode[[false]]"" />";
var helper = DefaultTemplatesUtilities.GetHtmlHelper(GetTestModelViewData());
var attributes = new Dictionary <string, object>
{
{ "Property3", "Property3Value" },
{ "name", "-expression-" }, // overridden
};
// Act
var html = helper.CheckBoxFor(m => m.Property1, attributes);
// Assert
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(html));
}
public void CheckBoxInTemplate_GetsValueFromPropertyOfViewDataEntry()
{
// Arrange
var expected =
@"<input checked=""HtmlEncode[[checked]]"" id=""HtmlEncode[[Prefix_Property1]]"" " +
@"name=""HtmlEncode[[Prefix.Property1]]"" type=""HtmlEncode[[checkbox]]"" value=""HtmlEncode[[true]]"" />" +
@"<input name=""HtmlEncode[[Prefix.Property1]]"" type=""HtmlEncode[[hidden]]"" value=""HtmlEncode[[false]]"" />";
var helper = DefaultTemplatesUtilities.GetHtmlHelper(GetTestModelViewData());
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData.Remove(nameof(TestModel.Property1));
helper.ViewData["Prefix"] = new TestModel {
Property1 = true
};
helper.ViewData.Model = new TestModel();
helper.ViewData.TemplateInfo.HtmlFieldPrefix = "Prefix";
// Act
var html = helper.CheckBox("Property1", isChecked: null, htmlAttributes: null);
// Assert
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(html));
}
public void DropDownList_FindsSelectList_UsesOptionLabel()
{
// Arrange
var expectedHtml = "<select id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\">" +
"<option value=\"\">HtmlEncode[[--select--]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[0]]\">HtmlEncode[[Zero]]</option>" + Environment.NewLine +
"<option selected=\"HtmlEncode[[selected]]\" value=\"HtmlEncode[[1]]\">HtmlEncode[[One]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[2]]\">HtmlEncode[[Two]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[3]]\">HtmlEncode[[Three]]</option>" + Environment.NewLine +
"</select>";
var metadataProvider = new EmptyModelMetadataProvider();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(new ViewDataDictionary <TestModel>(metadataProvider));
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData.ModelState.SetModelValue("Property1", 1, "1");
helper.ViewData["Property1"] = BasicSelectList;
// Act
var dropDownListResult = helper.DropDownList("Property1", "--select--");
// Assert
Assert.Equal(expectedHtml, HtmlContentUtilities.HtmlContentToString(dropDownListResult));
}
public async Task ProcessAsync_SuppressesOutput_IfClientSideValiationDisabled_WithNoErrorsData(
ModelStateDictionary modelStateDictionary)
{
// Arrange
var metadataProvider = new TestModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = CreateViewContext();
viewContext.ClientValidationEnabled = false;
var validationSummaryTagHelper = new ValidationSummaryTagHelper(htmlGenerator)
{
ValidationSummary = ValidationSummary.All,
ViewContext = viewContext,
};
var output = new TagHelperOutput(
"div",
new TagHelperAttributeList(),
(useCachedResult, encoder) =>
{
throw new InvalidOperationException("getChildContentAsync called unexpectedly.");
});
var context = new TagHelperContext(
new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
// Act
await validationSummaryTagHelper.ProcessAsync(context, output);
// Assert
Assert.Null(output.TagName);
Assert.Empty(output.Attributes);
Assert.Empty(HtmlContentUtilities.HtmlContentToString(output));
}
public async Task CheckBoxHandlesMultipleAttributesSameNameCorrectly(
TagHelperAttributeList outputAttributes,
string expectedAttributeString)
{
// Arrange
var originalContent = "original content";
var originalTagName = "not-input";
var expectedContent = $"{originalContent}<input {expectedAttributeString} id=\"HtmlEncode[[IsACar]]\" " +
"name=\"HtmlEncode[[IsACar]]\" type=\"HtmlEncode[[checkbox]]\" value=\"HtmlEncode[[true]]\" />" +
"<input name=\"HtmlEncode[[IsACar]]\" type=\"HtmlEncode[[hidden]]\" value=\"HtmlEncode[[false]]\" />";
var context = new TagHelperContext(
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
originalTagName,
outputAttributes,
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(result: null))
{
TagMode = TagMode.SelfClosing,
};
output.Content.AppendHtml(originalContent);
var htmlGenerator = new TestableHtmlGenerator(new EmptyModelMetadataProvider());
var tagHelper = GetTagHelper(htmlGenerator, model: false, propertyName: nameof(Model.IsACar));
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Empty(output.Attributes); // Moved to Content and cleared
Assert.Equal(expectedContent, HtmlContentUtilities.HtmlContentToString(output.Content));
Assert.Equal(TagMode.SelfClosing, output.TagMode);
Assert.Null(output.TagName); // Cleared
}
public void DropDownListFor_NullSelectListFindsListFromViewData()
{
// Arrange
var expectedHtml = "<select id=\"HtmlEncode[[Property1]]\" name=\"HtmlEncode[[Property1]]\">" +
"<option selected=\"HtmlEncode[[selected]]\" value=\"HtmlEncode[[0]]\">HtmlEncode[[Zero]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[1]]\">HtmlEncode[[One]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[2]]\">HtmlEncode[[Two]]</option>" + Environment.NewLine +
"<option value=\"HtmlEncode[[3]]\">HtmlEncode[[Three]]</option>" + Environment.NewLine +
"</select>";
var metadataProvider = new EmptyModelMetadataProvider();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(new ViewDataDictionary <TestModel>(metadataProvider));
helper.ViewContext.ClientValidationEnabled = false;
helper.ViewData["Property1"] = BasicSelectList;
helper.ViewData.Model = new TestModel {
Property1 = 0
};
// Act
var dropDownListForResult = helper.DropDownListFor(m => m.Property1, selectList: null);
// Assert
Assert.Equal(expectedHtml, HtmlContentUtilities.HtmlContentToString(dropDownListForResult));
}
public void CheckBoxFor_UsesModelStateAttemptedValue(string attemptedValue, string expectedChecked)
{
// Arrange
// Mono issue - https://github.com/aspnet/External/issues/19
var expected = PlatformNormalizer.NormalizeContent(
@"<input {0}data-val=""HtmlEncode[[true]]"" data-val-required=""HtmlEncode[[The Property1 field is required.]]"" " +
@"id=""HtmlEncode[[Property1]]"" name=""HtmlEncode[[Property1]]"" type=""HtmlEncode[[checkbox]]"" value=""HtmlEncode[[true]]"" />" +
@"<input name=""HtmlEncode[[Property1]]"" type=""HtmlEncode[[hidden]]"" value=""HtmlEncode[[false]]"" />");
expected = string.Format(expected, expectedChecked);
var viewData = GetTestModelViewData();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(viewData);
var valueProviderResult =
new ValueProviderResult(attemptedValue, attemptedValue, CultureInfo.InvariantCulture);
viewData.ModelState.SetModelValue("Property1", valueProviderResult);
// Act
var html = helper.CheckBoxFor(m => m.Property1, htmlAttributes: null);
// Assert
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(html));
}
public void DisplayFor_FindsModel_EvenIfNullOrEmpty(string propertyValue)
{
// Arrange
var model = new DefaultTemplatesUtilities.ObjectTemplateModel {
Property1 = propertyValue,
};
var viewEngine = new Mock <ICompositeViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, It.IsAny <string>(), /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound(string.Empty, Enumerable.Empty <string>()));
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), It.IsAny <string>(), /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound(string.Empty, Enumerable.Empty <string>()));
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model, viewEngine.Object);
helper.ViewData["Property1"] = "ViewData string";
// Act
var result = helper.DisplayFor(m => m.Property1);
// Assert
Assert.Equal(string.Empty, HtmlContentUtilities.HtmlContentToString(result));
}
public void LabelHelpers_ReturnExpectedElementForModel_IfDisplayNameEmpty_WithEmptyLabelText()
{
// Arrange
var expectedLabel = "<label for=\"\"></label>";
var provider = new TestModelMetadataProvider();
provider
.ForType <DefaultTemplatesUtilities.ObjectTemplateModel>()
.DisplayDetails(dd => dd.DisplayName = () => string.Empty);
var helper = DefaultTemplatesUtilities.GetHtmlHelper(provider: provider);
// Act
var labelResult = helper.Label(expression: string.Empty, labelText: string.Empty);
var labelNullResult = helper.Label(expression: null, labelText: string.Empty);
var labelForResult = helper.LabelFor(m => m, labelText: string.Empty);
var labelForModelResult = helper.LabelForModel(labelText: string.Empty);
// Assert
Assert.Equal(expectedLabel, HtmlContentUtilities.HtmlContentToString(labelResult));
Assert.Equal(expectedLabel, HtmlContentUtilities.HtmlContentToString(labelNullResult));
Assert.Equal(expectedLabel, HtmlContentUtilities.HtmlContentToString(labelForResult));
Assert.Equal(expectedLabel, HtmlContentUtilities.HtmlContentToString(labelForModelResult));
}
public void TextBoxFor_ComplexExpressions_UsesModelStateValueForComplexExpressions(
Expression <Func <ComplexModel, string> > expression,
string expected)
{
// Arrange
var model = new ComplexModel();
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
helper.ViewData.TemplateInfo.HtmlFieldPrefix = "pre";
helper.ViewData.ModelState.SetModelValue("pre.Property3[key]", "MProp3Val", "MProp3Val");
helper.ViewData.ModelState.SetModelValue("pre.Property4.Property5", "MProp5Val", "MProp5Val");
helper.ViewData.ModelState.SetModelValue("pre.Property4.Property6[0]", "MProp6Val", "MProp6Val");
helper.ViewData.Model.Property3["key"] = "Prop3Val";
helper.ViewData.Model.Property4.Property5 = "Prop5Val";
helper.ViewData.Model.Property4.Property6.Add("Prop6Val");
// Act
var result = helper.TextBoxFor(expression);
// Assert
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(result));
}
public void RendersScriptTagsForGlobbedSrcResults()
{
// Arrange
var expectedContent = "<script src=\"HtmlEncode[[/js/site.js]]\"></script>" +
"<script src=\"HtmlEncode[[/common.js]]\"></script>";
var context = MakeTagHelperContext(
attributes: new TagHelperAttributeList
{
new TagHelperAttribute("src", "/js/site.js"),
new TagHelperAttribute("asp-src-include", "**/*.js")
});
var output = MakeTagHelperOutput("script", attributes: new TagHelperAttributeList());
var globbingUrlBuilder = new Mock <GlobbingUrlBuilder>(
new TestFileProvider(),
Mock.Of <IMemoryCache>(),
PathString.Empty);
globbingUrlBuilder.Setup(g => g.BuildUrlList(null, "**/*.js", null))
.Returns(new[] { "/common.js" });
var helper = GetHelper();
helper.GlobbingUrlBuilder = globbingUrlBuilder.Object;
helper.Src = "/js/site.js";
helper.SrcInclude = "**/*.js";
// Act
helper.Process(context, output);
// Assert
Assert.Equal("script", output.TagName);
Assert.Equal("/js/site.js", output.Attributes["src"].Value);
var content = HtmlContentUtilities.HtmlContentToString(output, new HtmlTestEncoder());
Assert.Equal(expectedContent, content);
}
public void Label_DisplaysRightmostExpressionSegment_IfPropertiesNotFound(
string expression,
string expectedText,
string expectedId)
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var result = helper.Label(expression);
// Assert
// Label() falls back to expression name when DisplayName and PropertyName are null.
Assert.Equal("<label for=\"HtmlEncode[[" + expectedId + "]]\">HtmlEncode[[" + expectedText + "]]</label>", HtmlContentUtilities.HtmlContentToString(result));
}
public void LabelHelpers_DisplayDisplayNameForProperty_IfNonNull(string displayName)
{
// Arrange
var provider = new TestModelMetadataProvider();
provider
.ForProperty <DefaultTemplatesUtilities.ObjectTemplateModel>("Property1")
.DisplayDetails(dd => dd.DisplayName = () => displayName);
var helper = DefaultTemplatesUtilities.GetHtmlHelper(provider: provider);
// Act
var labelResult = helper.Label("Property1");
var labelForResult = helper.LabelFor(m => m.Property1);
// Assert
Assert.Equal("<label for=\"HtmlEncode[[Property1]]\">HtmlEncode[[" + displayName + "]]</label>", HtmlContentUtilities.HtmlContentToString(labelResult));
Assert.Equal("<label for=\"HtmlEncode[[Property1]]\">HtmlEncode[[" + displayName + "]]</label>", HtmlContentUtilities.HtmlContentToString(labelForResult));
}
public void LabelHelpers_Label_Evaluates_Expression()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
helper.ViewData["value"] = "testvalue";
// Act
var labelResult = helper.Label(expression: "value");
// Assert
Assert.Equal("<label for=\"HtmlEncode[[value]]\">HtmlEncode[[value]]</label>", HtmlContentUtilities.HtmlContentToString(labelResult));
}
public async Task ProcessAsync_GeneratesExpectedOutput(
object model,
Type containerType,
Func <object> modelAccessor,
string propertyPath,
TagHelperOutputContent tagHelperOutputContent)
{
// Arrange
var expectedTagName = "not-label";
var expectedAttributes = new TagHelperAttributeList
{
{ "class", "form-control" },
{ "for", tagHelperOutputContent.ExpectedId }
};
var metadataProvider = new TestModelMetadataProvider();
var containerMetadata = metadataProvider.GetMetadataForType(containerType);
var containerExplorer = metadataProvider.GetModelExplorerForType(containerType, model);
var propertyMetadata = metadataProvider.GetMetadataForProperty(containerType, "Text");
var modelExplorer = containerExplorer.GetExplorerForExpression(propertyMetadata, modelAccessor());
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var modelExpression = new ModelExpression(propertyPath, modelExplorer);
var tagHelper = new LabelTagHelper(htmlGenerator)
{
For = modelExpression,
};
var expectedPreContent = "original pre-content";
var expectedPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
tagName: "not-label",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var htmlAttributes = new TagHelperAttributeList
{
{ "class", "form-control" },
};
var output = new TagHelperOutput(
expectedTagName,
htmlAttributes,
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(tagHelperOutputContent.OriginalChildContent);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
output.PreContent.AppendHtml(expectedPreContent);
output.PostContent.AppendHtml(expectedPostContent);
// LabelTagHelper checks IsContentModified so we don't want to forcibly set it if
// tagHelperOutputContent.OriginalContent is going to be null or empty.
if (!string.IsNullOrEmpty(tagHelperOutputContent.OriginalContent))
{
output.Content.AppendHtml(tagHelperOutputContent.OriginalContent);
}
var viewContext = TestableHtmlGenerator.GetViewContext(model, htmlGenerator, metadataProvider);
tagHelper.ViewContext = viewContext;
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(expectedAttributes, output.Attributes);
Assert.Equal(expectedPreContent, output.PreContent.GetContent());
Assert.Equal(
tagHelperOutputContent.ExpectedContent,
HtmlContentUtilities.HtmlContentToString(output.Content));
Assert.Equal(expectedPostContent, output.PostContent.GetContent());
Assert.Equal(TagMode.StartTagAndEndTag, output.TagMode);
Assert.Equal(expectedTagName, output.TagName);
}
public void RenderScriptTags_FallbackSrc_WithFileVersion_EncodesAsExpected()
{
// Arrange
var expectedContent =
"<script encoded=\"contains "quotes"\" literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed=\"HtmlEncode[[HTML encoded]] and contains "quotes"\" " +
"src=\"HtmlEncode[[/js/site.js?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk]]\"></script>" +
Environment.NewLine +
"<script>(isavailable()||document.write(\"<script " +
"JavaScriptEncode[[encoded]]=\\\"JavaScriptEncode[[contains "quotes"]]\\\" " +
"JavaScriptEncode[[literal]]=\\\"JavaScriptEncode[[HtmlEncode[[all HTML encoded]]]]\\\" " +
"JavaScriptEncode[[mixed]]=\\\"JavaScriptEncode[[HtmlEncode[[HTML encoded]] and contains "quotes"]]\\\" " +
"src=\\\"JavaScriptEncode[[HtmlEncode[[fallback.js?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk]]]]\\\">" +
"<\\/script>\"));</script>";
var mixed = new DefaultTagHelperContent();
mixed.Append("HTML encoded");
mixed.AppendHtml(" and contains \"quotes\"");
var context = MakeTagHelperContext(
attributes: new TagHelperAttributeList
{
{ "asp-append-version", "true" },
{ "asp-fallback-src-include", "fallback.js" },
{ "asp-fallback-test", "isavailable()" },
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
{ "src", "/js/site.js" },
});
var output = MakeTagHelperOutput(
"script",
attributes: new TagHelperAttributeList
{
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
});
var hostingEnvironment = MakeHostingEnvironment();
var viewContext = MakeViewContext();
var helper = new ScriptTagHelper(
MakeHostingEnvironment(),
MakeCache(),
new HtmlTestEncoder(),
new JavaScriptTestEncoder(),
MakeUrlHelperFactory())
{
AppendVersion = true,
FallbackSrc = "fallback.js",
FallbackTestExpression = "isavailable()",
Src = "/js/site.js",
ViewContext = viewContext,
};
// Act
helper.Process(context, output);
// Assert
Assert.Equal("script", output.TagName);
Assert.Equal("/js/site.js?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk", output.Attributes["src"].Value);
var content = HtmlContentUtilities.HtmlContentToString(output, new HtmlTestEncoder());
Assert.Equal(expectedContent, content);
}
public void LabelForModel_DisplaysSpecifiedHtmlAttributes()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var labelForModelResult = helper.LabelForModel(labelText: "Hello", htmlAttributes: new { attr = "value" });
// Assert
Assert.Equal("<label attr=\"HtmlEncode[[value]]\" for=\"\">HtmlEncode[[Hello]]</label>", HtmlContentUtilities.HtmlContentToString(labelForModelResult));
}
public void LabelHelpers_DisplayMetadataPropertyNameForProperty()
{
// Arrange
var propertyName = "Property1";
var provider = new EmptyModelMetadataProvider();
var modelExplorer = provider
.GetModelExplorerForType(typeof(DefaultTemplatesUtilities.ObjectTemplateModel), model: null)
.GetExplorerForProperty(propertyName);
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
helper.ViewData.ModelExplorer = modelExplorer;
// Act
var labelResult = helper.Label(expression: string.Empty);
var labelForResult = helper.LabelFor(m => m);
var labelForModelResult = helper.LabelForModel();
// Assert
Assert.Equal("<label for=\"\">HtmlEncode[[" + propertyName + "]]</label>", HtmlContentUtilities.HtmlContentToString(labelResult));
Assert.Equal("<label for=\"\">HtmlEncode[[" + propertyName + "]]</label>", HtmlContentUtilities.HtmlContentToString(labelForResult));
Assert.Equal("<label for=\"\">HtmlEncode[[" + propertyName + "]]</label>", HtmlContentUtilities.HtmlContentToString(labelForModelResult));
}
public void RendersLinkTagsForGlobbedHrefResults_EncodesAsExpected()
{
// Arrange
var expectedContent =
"<link encoded='contains \"quotes\"' href=\"HtmlEncode[[/css/site.css]]\" " +
"literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed='HtmlEncode[[HTML encoded]] and contains \"quotes\"' />" +
"<link encoded='contains \"quotes\"' href=\"HtmlEncode[[/base.css]]\" " +
"literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed='HtmlEncode[[HTML encoded]] and contains \"quotes\"' />";
var mixed = new DefaultTagHelperContent();
mixed.Append("HTML encoded");
mixed.AppendHtml(" and contains \"quotes\"");
var context = MakeTagHelperContext(
attributes: new TagHelperAttributeList
{
{ "asp-href-include", "**/*.css" },
{ new TagHelperAttribute("encoded", new HtmlString("contains \"quotes\""), HtmlAttributeValueStyle.SingleQuotes) },
{ "href", "/css/site.css" },
{ "literal", "all HTML encoded" },
{ new TagHelperAttribute("mixed", mixed, HtmlAttributeValueStyle.SingleQuotes) },
});
var output = MakeTagHelperOutput(
"link",
attributes: new TagHelperAttributeList
{
{ new TagHelperAttribute("encoded", new HtmlString("contains \"quotes\""), HtmlAttributeValueStyle.SingleQuotes) },
{ "literal", "all HTML encoded" },
{ new TagHelperAttribute("mixed", mixed, HtmlAttributeValueStyle.SingleQuotes) },
});
var hostingEnvironment = MakeHostingEnvironment();
var viewContext = MakeViewContext();
var globbingUrlBuilder = new Mock <GlobbingUrlBuilder>(
new TestFileProvider(),
Mock.Of <IMemoryCache>(),
PathString.Empty);
globbingUrlBuilder.Setup(g => g.BuildUrlList(null, "**/*.css", null))
.Returns(new[] { "/base.css" });
var helper = new LinkTagHelper(
hostingEnvironment,
MakeCache(),
new HtmlTestEncoder(),
new JavaScriptTestEncoder(),
MakeUrlHelperFactory())
{
GlobbingUrlBuilder = globbingUrlBuilder.Object,
Href = "/css/site.css",
HrefInclude = "**/*.css",
ViewContext = viewContext,
};
// Act
helper.Process(context, output);
// Assert
Assert.Equal("link", output.TagName);
Assert.Equal("/css/site.css", output.Attributes["href"].Value);
var content = HtmlContentUtilities.HtmlContentToString(output, new HtmlTestEncoder());
Assert.Equal(expectedContent, content);
}
public async Task ProcessAsync_GeneratesExpectedOutput_WithDisplayName(
string displayName,
string originalChildContent,
string htmlFieldPrefix,
string expectedContent,
string expectedId)
{
// Arrange
var expectedAttributes = new TagHelperAttributeList
{
{ "for", expectedId }
};
var name = nameof(NestedModel.Text);
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty <NestedModel>(name)
.DisplayDetails(metadata => metadata.DisplayName = () => displayName);
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
var viewData = new ViewDataDictionary <NestedModel>(metadataProvider, viewContext.ModelState);
viewData.TemplateInfo.HtmlFieldPrefix = htmlFieldPrefix;
viewContext.ViewData = viewData;
var containerExplorer = metadataProvider.GetModelExplorerForType(typeof(NestedModel), model: null);
var modelExplorer = containerExplorer.GetExplorerForProperty(name);
var modelExpression = new ModelExpression(name, modelExplorer);
var tagHelper = new LabelTagHelper(htmlGenerator)
{
For = modelExpression,
ViewContext = viewContext,
};
var tagHelperContext = new TagHelperContext(
tagName: "label",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"label",
new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(originalChildContent);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(expectedAttributes, output.Attributes);
Assert.Equal(expectedContent, HtmlContentUtilities.HtmlContentToString(output.Content));
}
private void AssertHtmlContentEquals(string expected, IHtmlContent actual)
{
Assert.Equal(expected, HtmlContentUtilities.HtmlContentToString(actual, _encoder));
}
public async Task ProcessAsync_CallsGenerateCheckBox_WithExpectedParameters()
{
// Arrange
var originalContent = "original content";
var originalTagName = "not-input";
var expectedPreContent = "original pre-content";
var expectedContent = originalContent + "<input class=\"HtmlEncode[[form-control]]\" /><hidden />";
var expectedPostContent = "original post-content";
var context = new TagHelperContext(
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var originalAttributes = new TagHelperAttributeList
{
{ "class", "form-control" },
};
var output = new TagHelperOutput(
originalTagName,
originalAttributes,
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Something");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
})
{
TagMode = TagMode.SelfClosing,
};
output.PreContent.AppendHtml(expectedPreContent);
output.Content.AppendHtml(originalContent);
output.PostContent.AppendHtml(expectedPostContent);
var htmlGenerator = new Mock <IHtmlGenerator>(MockBehavior.Strict);
var tagHelper = GetTagHelper(htmlGenerator.Object, model: false, propertyName: nameof(Model.IsACar));
var tagBuilder = new TagBuilder("input")
{
Attributes =
{
{ "class", "form-control" },
},
TagRenderMode = TagRenderMode.SelfClosing
};
htmlGenerator
.Setup(mock => mock.GenerateCheckBox(
tagHelper.ViewContext,
tagHelper.For.ModelExplorer,
tagHelper.For.Name,
null, // isChecked
It.IsAny <object>())) // htmlAttributes
.Returns(tagBuilder)
.Verifiable();
htmlGenerator
.Setup(mock => mock.GenerateHiddenForCheckbox(
tagHelper.ViewContext,
tagHelper.For.ModelExplorer,
tagHelper.For.Name))
.Returns(new TagBuilder("hidden")
{
TagRenderMode = TagRenderMode.SelfClosing
})
.Verifiable();
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
htmlGenerator.Verify();
Assert.Empty(output.Attributes); // Moved to Content and cleared
Assert.Equal(expectedPreContent, output.PreContent.GetContent());
Assert.Equal(expectedContent, HtmlContentUtilities.HtmlContentToString(output.Content));
Assert.Equal(expectedPostContent, output.PostContent.GetContent());
Assert.Equal(TagMode.SelfClosing, output.TagMode);
Assert.Null(output.TagName); // Cleared
}
public async Task Process_GeneratesExpectedOutput(
object container,
Type containerType,
object model,
NameAndId nameAndId,
string expectedContent)
{
// Arrange
var expectedAttributes = new TagHelperAttributeList
{
{ "class", "form-control" },
{ "id", nameAndId.Id },
{ "name", nameAndId.Name },
{ "valid", "from validation attributes" },
};
var expectedTagName = "not-textarea";
var metadataProvider = new TestModelMetadataProvider();
var containerMetadata = metadataProvider.GetMetadataForType(containerType);
var containerExplorer = metadataProvider.GetModelExplorerForType(containerType, container);
var propertyMetadata = metadataProvider.GetMetadataForProperty(containerType, "Text");
var modelExplorer = containerExplorer.GetExplorerForExpression(propertyMetadata, model);
var htmlGenerator = new TestableHtmlGenerator(metadataProvider)
{
ValidationAttributes =
{
{ "valid", "from validation attributes" },
}
};
// Property name is either nameof(Model.Text) or nameof(NestedModel.Text).
var modelExpression = new ModelExpression(nameAndId.Name, modelExplorer);
var tagHelper = new TextAreaTagHelper(htmlGenerator)
{
For = modelExpression,
};
var tagHelperContext = new TagHelperContext(
tagName: "text-area",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var htmlAttributes = new TagHelperAttributeList
{
{ "class", "form-control" },
};
var output = new TagHelperOutput(
expectedTagName,
htmlAttributes,
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Something");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
})
{
TagMode = TagMode.SelfClosing,
};
output.Content.SetContent("original content");
var viewContext = TestableHtmlGenerator.GetViewContext(model, htmlGenerator, metadataProvider);
tagHelper.ViewContext = viewContext;
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(TagMode.SelfClosing, output.TagMode);
Assert.Equal(expectedAttributes, output.Attributes);
Assert.Equal(expectedContent, HtmlContentUtilities.HtmlContentToString(output.Content));
Assert.Equal(expectedTagName, output.TagName);
}
public void LabelFor_DisplaysVariableName()
{
// Arrange
var unknownKey = "this is a dummy parameter value";
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var result = helper.LabelFor(model => unknownKey);
// Assert
Assert.Equal("<label for=\"HtmlEncode[[unknownKey]]\">HtmlEncode[[unknownKey]]</label>", HtmlContentUtilities.HtmlContentToString(result));
}
public void LabelFor_UsesSpecifiedLabelText()
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
// Act
var labelForResult = helper.LabelFor(m => m.Property1, labelText: "Hello");
// Assert
Assert.Equal("<label for=\"HtmlEncode[[Property1]]\">HtmlEncode[[Hello]]</label>", HtmlContentUtilities.HtmlContentToString(labelForResult));
}
public void RenderLinkTags_FallbackHref_WithFileVersion_EncodesAsExpected()
{
// Arrange
var expectedContent = "<link encoded=\"contains \"quotes\"\" " +
"href=\"HtmlEncode[[/css/site.css?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk]]\" " +
"literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed=\"HtmlEncode[[HTML encoded]] and contains \"quotes\"\" rel=\"stylesheet\" />" +
Environment.NewLine +
"<meta name=\"x-stylesheet-fallback-test\" content=\"\" class=\"HtmlEncode[[hidden]]\" /><script>" +
"!function(a,b,c,d){var e,f=document,g=f.getElementsByTagName(\"SCRIPT\"),h=g[g.length-1]." +
"previousElementSibling,i=f.defaultView&&f.defaultView.getComputedStyle?f.defaultView." +
"getComputedStyle(h):h.currentStyle;if(i&&i[a]!==b)for(e=0;e<c.length;e++)f.write('<link " +
"href=\"'+c[e]+'\" '+d+\"/>\")}(\"JavaScriptEncode[[visibility]]\",\"JavaScriptEncode[[hidden]]\"," +
"[\"JavaScriptEncode[[HtmlEncode[[/fallback.css?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk]]]]\"], " +
"\"JavaScriptEncode[[encoded=\"contains \"quotes\"\" literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed=\"HtmlEncode[[HTML encoded]] and contains \"quotes\"\" rel=\"stylesheet\" ]]\");" +
"</script>";
var mixed = new DefaultTagHelperContent();
mixed.Append("HTML encoded");
mixed.AppendHtml(" and contains \"quotes\"");
var context = MakeTagHelperContext(
attributes: new TagHelperAttributeList
{
{ "asp-append-version", "true" },
{ "asp-fallback-href-include", "**/fallback.css" },
{ "asp-fallback-test-class", "hidden" },
{ "asp-fallback-test-property", "visibility" },
{ "asp-fallback-test-value", "hidden" },
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "href", "/css/site.css" },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
{ "rel", new HtmlString("stylesheet") },
});
var output = MakeTagHelperOutput(
"link",
attributes: new TagHelperAttributeList
{
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
{ "rel", new HtmlString("stylesheet") },
});
var globbingUrlBuilder = new Mock <GlobbingUrlBuilder>(
new TestFileProvider(),
Mock.Of <IMemoryCache>(),
PathString.Empty);
globbingUrlBuilder.Setup(g => g.BuildUrlList(null, "**/fallback.css", null))
.Returns(new[] { "/fallback.css" });
var helper = GetHelper();
helper.AppendVersion = true;
helper.FallbackHrefInclude = "**/fallback.css";
helper.FallbackTestClass = "hidden";
helper.FallbackTestProperty = "visibility";
helper.FallbackTestValue = "hidden";
helper.GlobbingUrlBuilder = globbingUrlBuilder.Object;
helper.Href = "/css/site.css";
// Act
helper.Process(context, output);
// Assert
Assert.Equal("link", output.TagName);
Assert.Equal("/css/site.css?v=f4OxZX_x_FO5LcGBSKHWXfwtSx-j1ncoSt3SABJtkGk", output.Attributes["href"].Value);
var content = HtmlContentUtilities.HtmlContentToString(output, new HtmlTestEncoder());
Assert.Equal(expectedContent, content);
}
public async Task ProcessAsync_GeneratesExpectedOutput()
{
// Arrange
var expectedTagName = "not-form";
var metadataProvider = new TestModelMetadataProvider();
var tagHelperContext = new TagHelperContext(
tagName: "form",
allAttributes: new TagHelperAttributeList
{
{ "id", "myform" },
{ "asp-route-name", "value" },
{ "asp-action", "index" },
{ "asp-controller", "home" },
{ "method", "post" },
{ "asp-antiforgery", true }
},
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
expectedTagName,
attributes: new TagHelperAttributeList
{
{ "id", "myform" },
},
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent("Something Else");
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
output.PostContent.SetContent("Something");
var urlHelper = new Mock <IUrlHelper>();
urlHelper
.Setup(mock => mock.Action(It.IsAny <UrlActionContext>())).Returns("home/index");
var htmlGenerator = new TestableHtmlGenerator(metadataProvider, urlHelper.Object);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
var expectedPostContent = "Something" +
HtmlContentUtilities.HtmlContentToString(
htmlGenerator.GenerateAntiforgery(viewContext),
HtmlEncoder.Default);
var formTagHelper = new FormTagHelper(htmlGenerator)
{
Action = "index",
Antiforgery = true,
Controller = "home",
ViewContext = viewContext,
RouteValues =
{
{ "name", "value" },
},
};
// Act
await formTagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(3, output.Attributes.Count);
var attribute = Assert.Single(output.Attributes, attr => attr.Name.Equals("id"));
Assert.Equal("myform", attribute.Value);
attribute = Assert.Single(output.Attributes, attr => attr.Name.Equals("method"));
Assert.Equal("post", attribute.Value);
attribute = Assert.Single(output.Attributes, attr => attr.Name.Equals("action"));
Assert.Equal("home/index", attribute.Value);
Assert.Empty(output.PreContent.GetContent());
Assert.True(output.Content.GetContent().Length == 0);
Assert.Equal(expectedPostContent, output.PostContent.GetContent());
Assert.Equal(expectedTagName, output.TagName);
}
public void RendersScriptTagsForGlobbedSrcResults_EncodesAsExpected()
{
// Arrange
var expectedContent =
"<script encoded=\"contains "quotes"\" literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed=\"HtmlEncode[[HTML encoded]] and contains "quotes"\" " +
"src=\"HtmlEncode[[/js/site.js]]\"></script>" +
"<script encoded=\"contains "quotes"\" literal=\"HtmlEncode[[all HTML encoded]]\" " +
"mixed=\"HtmlEncode[[HTML encoded]] and contains "quotes"\" " +
"src=\"HtmlEncode[[/common.js]]\"></script>";
var mixed = new DefaultTagHelperContent();
mixed.Append("HTML encoded");
mixed.AppendHtml(" and contains \"quotes\"");
var context = MakeTagHelperContext(
attributes: new TagHelperAttributeList
{
{ "asp-src-include", "**/*.js" },
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
{ "src", "/js/site.js" },
});
var output = MakeTagHelperOutput(
"script",
attributes: new TagHelperAttributeList
{
{ "encoded", new HtmlString("contains \"quotes\"") },
{ "literal", "all HTML encoded" },
{ "mixed", mixed },
});
var hostingEnvironment = MakeHostingEnvironment();
var viewContext = MakeViewContext();
var globbingUrlBuilder = new Mock <GlobbingUrlBuilder>(
new TestFileProvider(),
Mock.Of <IMemoryCache>(),
PathString.Empty);
globbingUrlBuilder.Setup(g => g.BuildUrlList(null, "**/*.js", null))
.Returns(new[] { "/common.js" });
var helper = new ScriptTagHelper(
hostingEnvironment,
MakeCache(),
new HtmlTestEncoder(),
new JavaScriptTestEncoder(),
MakeUrlHelperFactory())
{
GlobbingUrlBuilder = globbingUrlBuilder.Object,
Src = "/js/site.js",
SrcInclude = "**/*.js",
ViewContext = viewContext,
};
// Act
helper.Process(context, output);
// Assert
Assert.Equal("script", output.TagName);
Assert.Equal("/js/site.js", output.Attributes["src"].Value);
var content = HtmlContentUtilities.HtmlContentToString(output, new HtmlTestEncoder());
Assert.Equal(expectedContent, content);
}
