public async Task ProcessAsync_DoesNotUseGenerator_IfSelectedNullOrNoSelectedValues(
string originalContent,
string selected,
string value,
IEnumerable <string> selectedValues,
TagHelperOutput ignored)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
};
var originalTagName = "not-option";
var contextAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary <object, object>(),
uniqueId: "test",
getChildContentAsync: useCachedResult =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(originalContent);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
TagMode = TagMode.StartTagAndEndTag,
};
output.PreContent.SetContent(originalPreContent);
output.Content.SetContent(originalContent);
output.PostContent.SetContent(originalPostContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
ViewContext = viewContext,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used Generator value.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_DoesNotUseViewContext_IfSelectedNotNull(
string originalContent,
string selected,
string value,
IEnumerable <string> ignoredValues,
TagHelperOutput ignoredOutput)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
};
var originalTagName = "not-option";
var contextAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary <object, object>(),
uniqueId: "test",
getChildContentAsync: () =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(originalContent);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
SelfClosing = false,
};
output.PreContent.SetContent(originalPreContent);
output.Content.SetContent(originalContent);
output.PostContent.SetContent(originalPostContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used ViewContext or Generator values.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_GeneratesExpectedOutput(
string originalContent,
string selected,
string value,
ICollection <string> selectedValues,
string expectedOutput)
{
// Arrange
var originalAttributes = new Dictionary <string, string>
{
{ "label", "my-label" },
};
var expectedTagName = "not-option";
var contextAttributes = new Dictionary <string, object>
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var tagHelperContext = new TagHelperContext(
contextAttributes,
uniqueId: "test",
getChildContentAsync: () => Task.FromResult(originalContent));
var output = new TagHelperOutput(expectedTagName, originalAttributes)
{
Content = originalContent,
SelfClosing = false,
};
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper
{
Generator = htmlGenerator,
Selected = selected,
Value = value,
ViewContext = viewContext,
};
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(
expectedOutput,
output.GenerateStartTag() + output.GenerateContent() + output.GenerateEndTag());
}
public async Task ProcessAsync_DoesNotUseGenerator_IfSelectedNullOrNoSelectedValues(
string originalContent,
string selected,
string value,
ICollection <string> selectedValues,
string ignored)
{
// Arrange
var originalAttributes = new Dictionary <string, string>
{
{ "label", "my-label" },
};
var originalTagName = "not-option";
var contextAttributes = new Dictionary <string, object>
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
uniqueId: "test",
getChildContentAsync: () => Task.FromResult(originalContent));
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
PreContent = originalPreContent,
Content = originalContent,
PostContent = originalPostContent,
SelfClosing = false,
};
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper
{
Selected = selected,
Value = value,
ViewContext = viewContext,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used Generator value.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_DoesNotUseViewContext_IfSelectedNotNull(
string originalContent,
string selected,
string value,
ICollection <string> ignoredValues,
string ignoredOutput)
{
// Arrange
var originalAttributes = new Dictionary <string, string>
{
{ "label", "my-label" },
};
var originalTagName = "not-option";
var contextAttributes = new Dictionary <string, object>
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
uniqueId: "test",
getChildContentAsync: () => Task.FromResult(originalContent));
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
PreContent = originalPreContent,
Content = originalContent,
PostContent = originalPostContent,
SelfClosing = false,
};
var tagHelper = new OptionTagHelper
{
Selected = selected,
Value = value,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used ViewContext or Generator values.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_DoesNotUseViewContext_IfSelectedNotNull(
string originalContent,
string selected,
string value,
ICollection <string> ignoredValues,
string ignoredOutput)
{
// Arrange
var originalAttributes = new Dictionary <string, string>
{
{ "label", "my-label" },
};
var originalTagName = "not-option";
var contextAttributes = new Dictionary <string, object>
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var tagHelperContext = new TagHelperContext(contextAttributes);
var output = new TagHelperOutput(originalTagName, originalAttributes, originalContent)
{
SelfClosing = false,
};
var tagHelper = new OptionTagHelper
{
Selected = selected,
Value = value,
};
// Act & Assert
// Tag helper would throw an NRE if it used ViewContext or Generator values.
await Assert.DoesNotThrowAsync(() => tagHelper.ProcessAsync(tagHelperContext, output));
}
public async Task ProcessAsync_DoesNotUseViewContext_IfSelectedNotNull(
string originalContent,
string selected,
string value,
IEnumerable<string> ignoredValues,
TagHelperOutput ignoredOutput)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
};
var originalTagName = "not-option";
var contextAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary<object, object>(),
uniqueId: "test",
getChildContentAsync: () =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(originalContent);
return Task.FromResult<TagHelperContent>(tagHelperContent);
});
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
SelfClosing = false,
};
output.PreContent.SetContent(originalPreContent);
output.Content.SetContent(originalContent);
output.PostContent.SetContent(originalPostContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used ViewContext or Generator values.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_GeneratesExpectedOutput(
string originalContent,
string selected,
string value,
IEnumerable<string> selectedValues,
TagHelperOutput expectedTagHelperOutput)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
};
if (selected != null)
{
originalAttributes.Add("selected", selected);
}
var contextAttributes = new TagHelperAttributeList(originalAttributes);
if (value != null)
{
contextAttributes.Add("value", value);
}
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary<object, object>(),
uniqueId: "test",
getChildContentAsync: () =>
{
// GetChildContentAsync should not be invoked since we are setting the content below.
Assert.True(false);
return Task.FromResult<TagHelperContent>(null);
});
var output = new TagHelperOutput(expectedTagHelperOutput.TagName, originalAttributes)
{
SelfClosing = false,
};
output.Content.SetContent(originalContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
ViewContext = viewContext,
};
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(expectedTagHelperOutput.TagName, output.TagName);
Assert.Equal(expectedTagHelperOutput.Content.GetContent(), output.Content.GetContent());
Assert.Equal(expectedTagHelperOutput.Attributes.Count, output.Attributes.Count);
foreach (var attribute in output.Attributes)
{
Assert.Contains(attribute, expectedTagHelperOutput.Attributes);
}
}
public async Task ProcessAsync_GeneratesExpectedOutput(
string originalContent,
string selected,
string value,
IEnumerable <string> selectedValues,
TagHelperOutput expectedTagHelperOutput)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
};
if (selected != null)
{
originalAttributes.Add("selected", selected);
}
var contextAttributes = new TagHelperAttributeList(originalAttributes);
if (value != null)
{
contextAttributes.Add("value", value);
}
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary <object, object>(),
uniqueId: "test",
getChildContentAsync: useCachedResult =>
{
// GetChildContentAsync should not be invoked since we are setting the content below.
Assert.True(false);
return(Task.FromResult <TagHelperContent>(null));
});
var output = new TagHelperOutput(expectedTagHelperOutput.TagName, originalAttributes)
{
TagMode = TagMode.StartTagAndEndTag
};
output.Content.SetContent(originalContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
ViewContext = viewContext,
};
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(expectedTagHelperOutput.TagName, output.TagName);
Assert.Equal(expectedTagHelperOutput.Content.GetContent(), output.Content.GetContent());
Assert.Equal(expectedTagHelperOutput.Attributes.Count, output.Attributes.Count);
foreach (var attribute in output.Attributes)
{
Assert.Contains(attribute, expectedTagHelperOutput.Attributes);
}
}
public async Task ProcessAsync_DoesNotUseGenerator_IfSelectedNullOrNoSelectedValues(
string originalContent,
string selected,
string value,
IEnumerable<string> selectedValues,
TagHelperOutput ignored)
{
// Arrange
var originalAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
};
var originalTagName = "not-option";
var contextAttributes = new TagHelperAttributeList
{
{ "label", "my-label" },
{ "selected", selected },
{ "value", value },
};
var originalPreContent = "original pre-content";
var originalPostContent = "original post-content";
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary<object, object>(),
uniqueId: "test",
getChildContentAsync: useCachedResult =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(originalContent);
return Task.FromResult<TagHelperContent>(tagHelperContent);
});
var output = new TagHelperOutput(originalTagName, originalAttributes)
{
TagMode = TagMode.StartTagAndEndTag,
};
output.PreContent.SetContent(originalPreContent);
output.Content.SetContent(originalContent);
output.PostContent.SetContent(originalPostContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper(htmlGenerator)
{
Value = value,
ViewContext = viewContext,
};
// Act & Assert (does not throw)
// Tag helper would throw an NRE if it used Generator value.
await tagHelper.ProcessAsync(tagHelperContext, output);
}
public async Task ProcessAsync_GeneratesExpectedOutput(
string originalContent,
string selected,
string value,
IEnumerable <string> selectedValues,
TagHelperOutput expectedTagHelperOutput)
{
// Arrange
var originalAttributes = new Dictionary <string, object>
{
{ "label", "my-label" },
};
if (selected != null)
{
originalAttributes.Add("selected", selected);
}
var contextAttributes = new Dictionary <string, object>(originalAttributes);
if (value != null)
{
contextAttributes.Add("value", value);
}
var tagHelperContext = new TagHelperContext(
contextAttributes,
items: new Dictionary <object, object>(),
uniqueId: "test",
getChildContentAsync: () =>
{
var tagHelperContent = new DefaultTagHelperContent();
tagHelperContent.SetContent(originalContent);
return(Task.FromResult <TagHelperContent>(tagHelperContent));
});
var output = new TagHelperOutput(expectedTagHelperOutput.TagName, originalAttributes)
{
SelfClosing = false,
};
output.Content.SetContent(originalContent);
var metadataProvider = new EmptyModelMetadataProvider();
var htmlGenerator = new TestableHtmlGenerator(metadataProvider);
var viewContext = TestableHtmlGenerator.GetViewContext(
model: null,
htmlGenerator: htmlGenerator,
metadataProvider: metadataProvider);
viewContext.FormContext.FormData[SelectTagHelper.SelectedValuesFormDataKey] = selectedValues;
var tagHelper = new OptionTagHelper
{
Generator = htmlGenerator,
Value = value,
ViewContext = viewContext,
};
// Act
await tagHelper.ProcessAsync(tagHelperContext, output);
// Assert
Assert.Equal(expectedTagHelperOutput.TagName, output.TagName);
Assert.Equal(expectedTagHelperOutput.Content.GetContent(), output.Content.GetContent());
Assert.Equal(expectedTagHelperOutput.Attributes.Count, output.Attributes.Count);
foreach (var attribute in output.Attributes)
{
Assert.Contains(attribute, expectedTagHelperOutput.Attributes);
}
}