public async Task ProcessAsync_NoValue_ThrowsInvalidOperationException()
{
// Arrange
var radiosContext = new RadiosContext(name: "test", aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper();
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.IsType <InvalidOperationException>(ex);
Assert.Equal("The 'value' attribute must be specified.", ex.Message);
}
public async Task ProcessAsync_NoNameButParentHasName_DoesNotThrowInvalidOperationException()
{
// Arrange
var radiosContext = new RadiosContext(name: "parent", aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Value = "value"
};
// Act
var ex = await Record.ExceptionAsync(() => tagHelper.ProcessAsync(context, output));
// Assert
Assert.Null(ex);
}
public async Task ProcessAsync_ValueNotSpecifiedThrowsNotSupportedException()
{
// Arrange
var radiosContext = new RadiosContext(
idPrefix: "prefix",
resolvedName: "r",
viewContext: null,
aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Legend"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper(new DefaultGovUkHtmlGenerator());
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => tagHelper.ProcessAsync(context, output));
Assert.Equal("The 'value' attribute must be specified.", ex.Message);
}
public async Task ProcessAsync_AddsItemToContext()
{
// Arrange
var radiosContext = new RadiosContext(
idPrefix: "prefix",
resolvedName: "r",
viewContext: null,
aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var itemContext = (RadiosItemContext)context.Items[typeof(RadiosItemContext)];
itemContext.SetHint(attributes: null, content: new HtmlString("Hint"));
itemContext.SetConditional(attributes: null, new HtmlString("Conditional"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Label"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper(new DefaultGovUkHtmlGenerator())
{
IsChecked = true,
Id = "id",
Value = "V"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Contains(
radiosContext.Items,
item => item is RadiosItem i &&
i.IsChecked &&
!i.IsDisabled &&
i.Content.AsString() == "Label" &&
!i.IsDisabled &&
i.Id == "id" &&
i.Value == "V" &&
i.ConditionalContent.AsString() == "Conditional" &&
i.HintContent.AsString() == "Hint");
}
public async Task ProcessAsync_WithModelExpression_DeducesCheckedFromModelExpression(string modelValue, bool expectedChecked)
{
// Arrange
var model = new Model()
{
Foo = modelValue
};
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(Model), model)
.GetExplorerForProperty(nameof(Model.Foo));
var viewContext = new ViewContext();
var modelExpression = nameof(Model.Foo);
var radiosContext = new RadiosContext(name: "test", aspFor: new ModelExpression(modelExpression, modelExplorer));
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Checked = null,
Value = "bar"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
radiosContext.Items,
item =>
{
var radiosItem = Assert.IsType <RadiosItem>(item);
Assert.Equal(expectedChecked, radiosItem.Checked);
});
}
public async Task ProcessAsync_CheckedNullAndModelValueDoesEqualsValueDoesNotSetCheckedAttribute()
{
// Arrange
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(Model), "Foo");
var viewContext = new ViewContext();
var radiosContext = new RadiosContext(
idPrefix: "prefix",
resolvedName: "myradios",
viewContext: viewContext,
aspFor: new ModelExpression("Foo", modelExplorer));
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Label"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var htmlGenerator = new Mock <DefaultGovUkHtmlGenerator>()
{
CallBase = true
};
htmlGenerator
.Setup(mock => mock.GetModelValue(viewContext, modelExplorer, "Foo"))
.Returns("bar");
var tagHelper = new RadiosItemTagHelper(htmlGenerator.Object)
{
Value = "baz"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.False(radiosContext.Items.OfType <RadiosItem>().Single().IsChecked);
}
public async Task ProcessAsync_WithNullCollectionModelExpression_ExecutesSuccessfully()
{
// Arrange
var model = new ModelWithCollectionProperty()
{
CollectionProperty = null
};
var modelExplorer = new EmptyModelMetadataProvider().GetModelExplorerForType(typeof(ModelWithCollectionProperty), model)
.GetExplorerForProperty(nameof(ModelWithCollectionProperty.CollectionProperty));
var viewContext = new ViewContext();
var modelExpression = nameof(ModelWithCollectionProperty.CollectionProperty);
var radiosContext = new RadiosContext(name: "test", aspFor: new ModelExpression(modelExpression, modelExplorer));
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Value = "2"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
radiosContext.Items,
item =>
{
var radiosItem = Assert.IsType <RadiosItem>(item);
Assert.False(radiosItem.Checked);
});
}
public async Task ProcessAsync_ComputesCorrectIdForSubsequentItemsWhenNotSpecified()
{
// Arrange
var radiosContext = new RadiosContext(
idPrefix: "prefix",
resolvedName: "myradios",
viewContext: null,
aspFor: null);
radiosContext.AddItem(new RadiosItemDivider()
{
Content = new HtmlString("Divider")
});
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Label"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper(new DefaultGovUkHtmlGenerator())
{
IsChecked = true,
Value = "V"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Equal("prefix-1", radiosContext.Items.OfType <RadiosItem>().Single().Id);
Assert.Equal("prefix-1-item-hint", radiosContext.Items.OfType <RadiosItem>().Single().HintId);
Assert.Equal("conditional-prefix-1", radiosContext.Items.OfType <RadiosItem>().Single().ConditionalId);
}
public async Task ProcessAsync_AddsItemToContext()
{
// Arrange
var radiosContext = new RadiosContext(name: "test", aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Checked = true,
Disabled = true,
Id = "id",
Value = "value"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
radiosContext.Items,
item =>
{
var radiosItem = Assert.IsType <RadiosItem>(item);
Assert.True(radiosItem.Checked);
Assert.True(radiosItem.Disabled);
Assert.Equal("id", radiosItem.Id);
Assert.Equal("value", radiosItem.Value);
});
}
public async Task ProcessAsync_WithConditional_SetsConditionalOnContext()
{
// Arrange
var radiosContext = new RadiosContext(name: "test", aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var itemContext = context.GetContextItem <RadiosItemContext>();
itemContext.SetConditional(attributes: null, content: new HtmlString("Conditional"));
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Value = "value"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
radiosContext.Items,
item =>
{
var radiosItem = Assert.IsType <RadiosItem>(item);
Assert.Equal("Conditional", radiosItem.Conditional.Content.RenderToString());
});
}
public async Task ProcessAsync_ConditionalContentSpecifiedSetsIsConditional()
{
// Arrange
var radiosContext = new RadiosContext(
idPrefix: "prefix",
resolvedName: "myradios",
viewContext: null,
aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var itemContext = (RadiosItemContext)context.Items[typeof(RadiosItemContext)];
itemContext.SetConditional(attributes: null, new HtmlString("Conditional"));
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.AppendHtml(new HtmlString("Label"));
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper(new DefaultGovUkHtmlGenerator())
{
IsChecked = true,
Value = "V"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.True(radiosContext.IsConditional);
}
public async Task ProcessAsync_WithoutHint_DoesNotSetHintOnContext()
{
// Arrange
var radiosContext = new RadiosContext(name: "test", aspFor: null);
var context = new TagHelperContext(
tagName: "govuk-radios-item",
allAttributes: new TagHelperAttributeList(),
items: new Dictionary <object, object>()
{
{ typeof(RadiosContext), radiosContext }
},
uniqueId: "test");
var output = new TagHelperOutput(
"govuk-radios-item",
attributes: new TagHelperAttributeList(),
getChildContentAsync: (useCachedResult, encoder) =>
{
var tagHelperContent = new DefaultTagHelperContent();
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var tagHelper = new RadiosItemTagHelper()
{
Value = "value"
};
// Act
await tagHelper.ProcessAsync(context, output);
// Assert
Assert.Collection(
radiosContext.Items,
item =>
{
var radiosItem = Assert.IsType <RadiosItem>(item);
Assert.Null(radiosItem.Hint);
});
}