/// <summary>
/// Constructs test descriptors which test the "link" element as ATOM metadata in an entry.
/// </summary>
/// <param name="relName">The value to use for the "rel" attribute of the link element. This value is also fed back to the <paramref name="addLinkDetails"/> function for convenience.</param>
/// <param name="addLinkDetails">A delegate which adds link information to the payload in a manner specific to the type of link.</param>
/// <param name="titleAttributeOverride">An optional override for the "title" attribute of the link element when this attribute is present on the element.</param>
/// <param name="typeAttributeOverride">An optional override for the "type" attribute of the link element when this attribute is present on the element.</param>
/// <param name="skipIanaPrefix">If true, there will not be a test descriptor where the "rel" attribute is prefixed with the IANA namespace.</param>
/// <returns>A list of test descriptors.</returns>
private IEnumerable <PayloadReaderTestDescriptor> CreateLinkEntryTestDescriptors(
string relName,
AddLinkDetailsToEntity addLinkDetails,
string titleAttributeOverride = "sometitle",
string typeAttributeOverride = "application/json",
bool skipIanaPrefix = false)
{
IEnumerable <PayloadReaderTestDescriptor> testDescriptors = new PayloadReaderTestDescriptor[]
{
// Link with just rel and href
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link rel='{0}' href='http://odata.org/link'/>
</entry>", relName)),
},
// Link with additional ATOM metadata attributes
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName, typeAttributeOverride, "fr", titleAttributeOverride, "42")
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link href='http://odata.org/link' rel='{0}' title='{1}' type='{2}' hreflang='fr' length='42'/>
</entry>", relName, titleAttributeOverride, typeAttributeOverride)),
},
// Link with additional ATOM metadata attributes in wrong namespace
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link rel='{0}' href='http://odata.org/link' cn:title='Some Title' cn:type='text/html' cn:hreflang='fr' cn:length='42' xmlns:cn='http://custom.namespace.com' />
</entry>", relName)),
},
// Link with empty attribute (should produce empty string, not null)
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName, null, string.Empty, null, null)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link rel='{0}' href='http://odata.org/link' hreflang=''/>
</entry>", relName)),
},
// Link with content (inner content should be ignored)
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link rel='{0}' href='http://odata.org/link'>
<child some='attribute'>
<grandchild bla='bla'/>
</child>
</link>
</entry>", relName)),
},
// Link with just rel - no href
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), null, relName)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link rel='{0}'/>
</entry>", relName)),
},
};
if (!skipIanaPrefix)
{
testDescriptors = testDescriptors.ConcatSingle(
// Link with IANA rel
new PayloadReaderTestDescriptor(this.Settings)
{
PayloadElement = addLinkDetails(PayloadBuilder.Entity(), "http://odata.org/link", relName)
.XmlRepresentation(string.Format(CultureInfo.InvariantCulture,
@"<entry>
<link href='http://odata.org/link' rel='http://www.iana.org/assignments/relation/{0}'/>
</entry>", relName)),
});
}
return(testDescriptors);
}
