public void Init_GetsTagHelperComponentPropertyActivator_FromRequestServices()
{
// Arrange
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new TestTagHelperComponent()
});
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(
testTagHelperComponentManager,
NullLoggerFactory.Instance);
// Act
testTagHelperComponentTagHelper.Init(tagHelperContext);
// Assert
Assert.NotNull(testTagHelperComponentTagHelper.PropertyActivator);
}
public async Task ProcessAsync_LogsTagHelperComponentProcessed()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"head",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(
new DefaultTagHelperContent()));
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new TestTagHelperComponent()
});
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(testTagHelperComponentManager, loggerFactory);
// Act
await testTagHelperComponentTagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal($"Tag helper component '{typeof(TestTagHelperComponent)}' processed.", sink.Writes[0].State.ToString(), StringComparer.Ordinal);
}
public async Task ProcessAsync_InvokesTagHelperComponentProcessAsync_WithAddedTagHelperComponents()
{
// Arrange
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"head",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(
new DefaultTagHelperContent()));
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new TestTagHelperComponent()
});
testTagHelperComponentManager.Components.Add(new TestAddTagHelperComponent(0));
testTagHelperComponentManager.Components.Add(new TestAddTagHelperComponent(2));
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(testTagHelperComponentManager, NullLoggerFactory.Instance);
// Act
await testTagHelperComponentTagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal("Processed0Processed1Processed2", output.PostContent.GetContent());
}
public void Init_InvokesTagHelperComponentInit()
{
// Arrange
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"head",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(
new DefaultTagHelperContent()));
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new TestTagHelperComponent()
});
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(testTagHelperComponentManager, NullLoggerFactory.Instance);
// Act
testTagHelperComponentTagHelper.Init(tagHelperContext);
// Assert
Assert.Equal("Value", tagHelperContext.Items["Key"]);
}
public async void ProcessAsync_InvokesComponentsProcessAsyncInCorrectOrder()
{
// Arrange
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var output = new TagHelperOutput(
"head",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) => Task.FromResult <TagHelperContent>(
new DefaultTagHelperContent()));
var incrementer = 0;
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new CallbackTagHelperComponent(
order: 2,
initCallback: () => { },
processAsyncCallback: () =>
{
Assert.Equal(1, incrementer);
incrementer++;
}),
new CallbackTagHelperComponent(
order: 3,
initCallback: () => { },
processAsyncCallback: () =>
{
Assert.Equal(2, incrementer);
incrementer++;
}),
new CallbackTagHelperComponent(
order: 1,
initCallback: () => { },
processAsyncCallback: () =>
{
Assert.Equal(0, incrementer);
incrementer++;
}),
});
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(testTagHelperComponentManager, NullLoggerFactory.Instance);
// Act
testTagHelperComponentTagHelper.Init(tagHelperContext);
await testTagHelperComponentTagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(3, incrementer);
}
public void Init_InvokesComponentsInitInCorrectOrder()
{
// Arrange
var tagHelperContext = new TagHelperContext(
"head",
allAttributes: new TagHelperAttributeList(
Enumerable.Empty <TagHelperAttribute>()),
items: new Dictionary <object, object>(),
uniqueId: "test");
var incrementer = 0;
var testTagHelperComponentManager = new TagHelperComponentManager(new[]
{
new CallbackTagHelperComponent(
order: 2,
initCallback: () =>
{
Assert.Equal(1, incrementer);
incrementer++;
},
processAsyncCallback: null),
new CallbackTagHelperComponent(
order: 3,
initCallback: () =>
{
Assert.Equal(2, incrementer);
incrementer++;
},
processAsyncCallback: null),
new CallbackTagHelperComponent(
order: 1,
initCallback: () =>
{
Assert.Equal(0, incrementer);
incrementer++;
},
processAsyncCallback: null),
});
var testTagHelperComponentTagHelper = new TestTagHelperComponentTagHelper(testTagHelperComponentManager, NullLoggerFactory.Instance);
// Act
testTagHelperComponentTagHelper.Init(tagHelperContext);
// Assert
Assert.Equal(3, incrementer);
}