public static async Task RegisteredType_AdditionalLink(
Guid id,
Guid parentId,
UnequalNonNullPair <NonEmptyString> routes,
JsonSerializerSettings serializerSettings)
{
if (serializerSettings is null)
{
throw new ArgumentNullException(nameof(serializerSettings));
}
var dto = new Registered
{
Id = id,
ParentId = parentId,
};
var(route, parentRoute) = routes;
var builder = new TransformationMap.Builder <Registered>(r => Const(new Uri($"https://example.invalid/registered/{r.Id}")));
ITransformationMap <Registered> transformationMap = builder;
_ = transformationMap.Link("up", r => Const(new Uri($"https://example.invalid/parent/{r.ParentId}")));
var map = new Dictionary <Type, ITransformationInstructions>
{
[typeof(Registered)] = builder,
};
await using var serviceProvider = new ServiceCollection()
.AddScoped <ILinkBuilder <Constant>, LinkBuilder.Constant>()
.BuildServiceProvider();
var repo = new HalRepository(map, serviceProvider);
serializerSettings.Converters.Add(new LinkCollection.Converter());
var sut = new HalJsonOutputFormatter(serializerSettings, ArrayPool <char> .Shared, new MvcOptions(), repo);
using var writer = new StringWriter();
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
(_, _) => writer,
typeof(Registered),
dto);
await sut.WriteResponseBodyAsync(context, new UTF8Encoding(encoderShouldEmitUTF8Identifier : false)).ConfigureAwait(false);
var actual = JsonConvert.DeserializeObject <HollowHal>(writer.ToString(), serializerSettings);
Assert.NotNull(actual);
Assert.Empty(actual.Embedded);
Assert.NotNull(actual.Links);
Assert.Equal(2, actual.Links.Count);
var self = Assert.Contains("self", actual.Links);
Assert.NotNull(self);
Assert.Equal($"https://example.invalid/registered/{id}", self.Href);
var parent = Assert.Contains("up", actual.Links);
Assert.NotNull(parent);
Assert.Equal($"https://example.invalid/parent/{parentId}", parent.Href);
}
public static void SimpleProperty_LinkAndIgnored(NonEmptyString relation)
{
var builder = new TransformationMap.Builder <Linker>(l => Const(l.Id));
ITransformationMap <Linker> transformationMap = builder;
transformationMap.LinkAndIgnore(relation.Get, l => l.Link);
ITransformationInstructions transformationInstructions = builder;
Assert.Single(transformationInstructions.IgnoreInstructions);
}
public static void SimpleProperty_Ignored()
{
var builder = new TransformationMap.Builder <Linker>(l => Const(l.Id));
ITransformationMap <Linker> transformationMap = builder;
transformationMap.Ignore(l => l.Link);
ITransformationInstructions transformationInstructions = builder;
Assert.Single(transformationInstructions.IgnoreInstructions);
}
public static async Task RegisteredType_NullLink(
Guid id,
Guid parentId,
UnequalNonNullPair <NonEmptyString> routes,
JsonSerializerSettings serializerSettings)
{
// arrange
var dto = new Registered
{
Id = id,
ParentId = parentId
};
var(route, parentRoute) = routes;
var builder = new TransformationMap.Builder <Registered>(r => Const(new Uri($"https://example.invalid/registered/{r.Id}")));
ITransformationMap <Registered> transformationMap = builder;
transformationMap.Link("up", _ => (ILinkData)null);
var map = new Dictionary <Type, ITransformationInstructions>
{
[typeof(Registered)] = builder
};
var serviceProvider = new ServiceCollection()
.AddScoped <ILinkBuilder <Constant>, LinkBuilder.Constant>()
.BuildServiceProvider();
var repo = new HalRepository(map, serviceProvider);
serializerSettings.Converters.Add(new LinkCollection.Converter());
var sut = new HalJsonOutputFormatter(serializerSettings, ArrayPool <char> .Shared, repo);
var writer = new StringWriter();
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
(_, __) => writer,
typeof(Registered),
dto);
// act
await sut.WriteResponseBodyAsync(context, new UTF8Encoding(encoderShouldEmitUTF8Identifier : false)).ConfigureAwait(false);
var actual = JsonConvert.DeserializeObject <HollowHal>(writer.ToString(), serializerSettings);
// assert
Assert.NotNull(actual);
Assert.Empty(actual.Embedded);
Assert.NotNull(actual.Links);
var(rel, link) = Assert.Single(actual.Links);
Assert.Equal("self", rel);
Assert.Equal($"https://example.invalid/registered/{id}", link.Href);
}
public static void SimpleProperty_LinkAndIgnored(NonEmptyString relation)
{
if (relation is null)
{
throw new ArgumentNullException(nameof(relation));
}
var builder = new TransformationMap.Builder <Linker>(l => Const(l.Id));
ITransformationMap <Linker> transformationMap = builder;
_ = transformationMap.LinkAndIgnore(relation.Get, l => l.Link);
ITransformationInstructions transformationInstructions = builder;
_ = Assert.Single(transformationInstructions.IgnoreInstructions);
}