public void Process_DoesNothingIfTagNameIsNull()
{
// Arrange
var tagHelperOutput = new TagHelperOutput(
tagName: null,
attributes: new TagHelperAttributeList
{
{ "href", "~/home/index.html" }
},
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(null));
var tagHelper = new UrlResolutionTagHelper(Mock.Of <IUrlHelperFactory>(), new HtmlTestEncoder());
var context = new TagHelperContext(
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
// Act
tagHelper.Process(context, tagHelperOutput);
// Assert
var attribute = Assert.Single(tagHelperOutput.Attributes);
Assert.Equal("href", attribute.Name, StringComparer.Ordinal);
var attributeValue = Assert.IsType <string>(attribute.Value);
Assert.Equal("~/home/index.html", attributeValue, StringComparer.Ordinal);
}
public void Process_IgnoresNonHtmlStringOrStringValues()
{
// Arrange
var tagHelperOutput = new TagHelperOutput(
tagName: "a",
attributes: new TagHelperAttributeList
{
{ "href", true }
},
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(null));
var tagHelper = new UrlResolutionTagHelper(urlHelperFactory: null, htmlEncoder: null);
var context = new TagHelperContext(
tagName: "a",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
// Act
tagHelper.Process(context, tagHelperOutput);
// Assert
var attribute = Assert.Single(tagHelperOutput.Attributes);
Assert.Equal("href", attribute.Name, StringComparer.Ordinal);
Assert.True(Assert.IsType <bool>(attribute.Value));
Assert.Equal(HtmlAttributeValueStyle.DoubleQuotes, attribute.ValueStyle);
}
public void Process_ThrowsWhenEncodingNeededAndIUrlHelperActsUnexpectedly()
{
// Arrange
var relativeUrl = "~/home/index.html";
var expectedExceptionMessage = Resources.FormatCouldNotResolveApplicationRelativeUrl_TagHelper(
relativeUrl,
nameof(IUrlHelper),
nameof(IUrlHelper.Content),
"removeTagHelper",
typeof(UrlResolutionTagHelper).FullName,
typeof(UrlResolutionTagHelper).Assembly.GetName().Name);
var tagHelperOutput = new TagHelperOutput(
tagName: "a",
attributes: new TagHelperAttributeList
{
{ "href", new HtmlString(relativeUrl) }
},
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(null));
var urlHelperMock = new Mock <IUrlHelper>();
urlHelperMock
.Setup(urlHelper => urlHelper.Content(It.IsAny <string>()))
.Returns("UnexpectedResult");
var urlHelperFactory = new Mock <IUrlHelperFactory>();
urlHelperFactory
.Setup(f => f.GetUrlHelper(It.IsAny <ActionContext>()))
.Returns(urlHelperMock.Object);
var tagHelper = new UrlResolutionTagHelper(urlHelperFactory.Object, new HtmlTestEncoder());
var context = new TagHelperContext(
tagName: "a",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(
() => tagHelper.Process(context, tagHelperOutput));
Assert.Equal(expectedExceptionMessage, exception.Message, StringComparer.Ordinal);
}
public void Process_ResolvesTildeSlashValues(string url, string expectedHref)
{
// Arrange
var tagHelperOutput = new TagHelperOutput(
tagName: "a",
attributes: new TagHelperAttributeList
{
{ "href", url }
},
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(null));
var urlHelperMock = new Mock <IUrlHelper>();
urlHelperMock
.Setup(urlHelper => urlHelper.Content(It.IsAny <string>()))
.Returns(new Func <string, string>(value => "/approot" + value.Substring(1)));
var urlHelperFactory = new Mock <IUrlHelperFactory>();
urlHelperFactory
.Setup(f => f.GetUrlHelper(It.IsAny <ActionContext>()))
.Returns(urlHelperMock.Object);
var tagHelper = new UrlResolutionTagHelper(urlHelperFactory.Object, new HtmlTestEncoder());
var context = new TagHelperContext(
tagName: "a",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
// Act
tagHelper.Process(context, tagHelperOutput);
// Assert
var attribute = Assert.Single(tagHelperOutput.Attributes);
Assert.Equal("href", attribute.Name, StringComparer.Ordinal);
var attributeValue = Assert.IsType <string>(attribute.Value);
Assert.Equal(expectedHref, attributeValue, StringComparer.Ordinal);
Assert.Equal(HtmlAttributeValueStyle.DoubleQuotes, attribute.ValueStyle);
}
