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SocialPub/PrivaPub.Tests/Federation/ContextTests.cs
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using PrivaPub.Federation.Rendering;
using System.Text.Json.Nodes;
namespace PrivaPub.Tests.Federation
{
// The @context on everything we send. Readers that expand JSON-LD 1.0 (Smithereen) refuse a whole document over one
// term only 1.1 knows, so every term stays within 1.0
public class ContextTests
{
static readonly string[] Containers10 = ["@list", "@set", "@index", "@language"];
static readonly string[] Keywords11 = ["@version", "@protected", "@propagate", "@import", "@nest", "@prefix", "@context", "@direction", "@json"];
[Fact]
public void Every_term_is_json_ld_1_0()
{
var terms = ActivityPubRenderer.Context().OfType<JsonObject>().Single();
foreach (var (name, definition) in terms)
{
if (definition is not JsonObject term)
continue;
if (term["@container"] is JsonValue container)
Assert.True(Containers10.Contains(container.GetValue<string>()), $"{name}: @container {container} is JSON-LD 1.1");
Assert.True(term["@container"] is null or JsonValue, $"{name}: an array of containers is JSON-LD 1.1");
Assert.DoesNotContain(term.Select(p => p.Key), Keywords11.Contains);
Assert.NotEqual("@json", term["@type"]?.GetValue<string>());
}
Assert.DoesNotContain(terms.Select(p => p.Key), Keywords11.Contains);
}
}
}