Extract dependency free API and tests

JsonLD.Infrastructure.Text.Tests/ConformanceTests.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using Xunit;
+using System.IO;
+using JsonLD.Core;
+using JsonLD.Util;
+using JsonLD.Test;
+
+namespace JsonLD.Infrastructure.Text.Tests
+{
+    public class ConformanceTests
+    {
+        [Theory, ClassData(typeof(ConformanceCases))]
+        public void ConformanceTestPasses(string id, ConformanceCase conformanceCase)
+        {
+            string result;
+            try
+            {
+                result = conformanceCase.run();
+                if (!JsonLdUtils.DeepCompareStrings(result, conformanceCase.output))
+                {
+#if DEBUG
+                    Console.WriteLine(id);
+                    Console.WriteLine("Actual:");
+                    Console.Write(JSONUtils.ToPrettyString(result));
+                    Console.WriteLine("--------------------------");
+                    Console.WriteLine("Expected:");
+                    Console.Write(JSONUtils.ToPrettyString(conformanceCase.output));
+                    Console.WriteLine("--------------------------");
+#endif
+
+                    Assert.True(false, "Returned JSON doesn't match expectations.");
+                }
+
+            }
+            catch (Exception ex)
+            {
+                if (conformanceCase.error == default) throw; // unexpected error
+                Assert.True(ex.Message.StartsWith(conformanceCase.error), "Resulting error doesn't match expectations.");
+            }
+        }
+    }
+
+    public class ConformanceCase
+    {
+        public string input { get; set; }
+        public string context { get; set; }
+        public string frame { get; set; }
+        public string output { get; set; }
+        public string error { get; set; }
+        public Func<string> run { get; set; }
+    }
+
+    public class ConformanceCases : IEnumerable<object[]>
+    {
+        string[] manifests = new[] {
+            "compact-manifest.jsonld",
+            "expand-manifest.jsonld",
+            "flatten-manifest.jsonld",
+            "frame-manifest.jsonld",
+            "toRdf-manifest.jsonld",
+            "fromRdf-manifest.jsonld",
+            "normalize-manifest.jsonld",
+// Test tests are not supported on CORE CLR
+#if !PORTABLE && !IS_CORECLR
+            "error-manifest.jsonld",
+            "remote-doc-manifest.jsonld",
+#endif
+        };
+
+        public ConformanceCases()
+        {
+
+        }
+
+        public IEnumerator<object[]> GetEnumerator()
+        {            
+            var rootDirectory = "W3C";
+
+            foreach (string manifest in manifests)
+            {
+                var testCases = JsonFetcher.GetTestCases(manifest, rootDirectory);
+
+                foreach (var testCase in testCases.Sequence)
+                {
+                    Func<string> run;
+                    ConformanceCase newCase = new ConformanceCase();
+
+                    try
+                    {
+                        newCase.input = testCase.GetInputJson();
+                        newCase.context = testCase.GetContextJson();
+                        newCase.frame = testCase.GetFrameJson();
+                    }
+                    catch (Exception ex)
+                    {
+                        throw new Exception($"{testCase.Id} in {testCases.Name}", ex);
+                    }
+
+                    var options = new JsonLD.Infrastructure.Text.JsonLdOptions("http://json-ld.org/test-suite/tests/" + testCase.Input);
+
+                    var testType = testCase.Type;
+
+                    if (testType.Any((s) => s == "jld:NegativeEvaluationTest"))
+                    {
+                        newCase.error = testCase.Expect;
+                    }
+                    else if (testType.Any((s) => s == "jld:PositiveEvaluationTest"))
+                    {
+                        if (testType.Any((s) => new List<string> { "jld:ToRDFTest", "jld:NormalizeTest" }.Contains(s)))
+                        {
+                            newCase.output = File.ReadAllText(Path.Combine("W3C", testCase.Expect));
+                        }
+                        else if (testType.Any((s) => s == "jld:FromRDFTest"))
+                        {
+                            newCase.input = File.ReadAllText(Path.Combine("W3C", testCase.Input));
+                            newCase.output = testCase.GetExpectJson();
+                        }
+                        else
+                        {
+                            newCase.output = testCase.GetExpectJson();
+                        }
+                    }
+                    else
+                    {
+                        throw new Exception("Expecting either positive or negative evaluation test.");
+                    }
+
+                    if (testCase.Options != null)
+                    {
+                        if (testCase.Options.CompactArrays.HasValue)
+                        {
+                            options.SetCompactArrays(testCase.Options.CompactArrays.Value);
+                        }
+                        if (testCase.Options.Base != default)
+                        {
+                            options.SetBase(testCase.Options.Base);
+                        }
+                        if (testCase.Options.ExpandContext != default)
+                        {
+                            newCase.context = testCase.GetExpandContextJson();
+                            options.SetExpandContext(newCase.context);
+                        }
+                        if (testCase.Options.ProduceGeneralizedRdf.HasValue)
+                        {
+                            options.SetProduceGeneralizedRdf(testCase.Options.ProduceGeneralizedRdf.Value);
+                        }
+                        if (testCase.Options.UseNativeTypes.HasValue)
+                        {
+                            options.SetUseNativeTypes(testCase.Options.UseNativeTypes.Value);
+                        }
+                        if (testCase.Options.UseRdfType.HasValue)
+                        {
+                            options.SetUseRdfType(testCase.Options.UseRdfType.Value);
+                        }
+                    }
+
+                    if (testType.Any((s) => s == "jld:CompactTest"))
+                    {
+                        run = () => Infrastructure.Text.JsonLdProcessor.Compact(newCase.input, newCase.context, options);
+                    }
+                    else if (testType.Any((s) => s == "jld:ExpandTest"))
+                    {
+                        run = () => Infrastructure.Text.JsonLdProcessor.Expand(newCase.input, options);
+                    }
+                    else if (testType.Any((s) => s == "jld:FlattenTest"))
+                    {
+                        run = () => Infrastructure.Text.JsonLdProcessor.Flatten(newCase.input, newCase.context, options);
+                    }
+                    else if (testType.Any((s) => s == "jld:FrameTest"))
+                    {
+                        run = () => Infrastructure.Text.JsonLdProcessor.Frame(newCase.input, newCase.frame, options);
+                    }
+                    else if (testType.Any((s) => s == "jld:NormalizeTest"))
+                    {
+                        run = () => RDFDatasetUtils.ToNQuads((RDFDataset)Infrastructure.Text.JsonLdProcessor.Normalize(newCase.input, options)).Replace("\n", "\r\n");
+                    }
+                    else if (testType.Any((s) => s == "jld:ToRDFTest"))
+                    {
+                        options.format = "application/nquads";
+                        run = () => Infrastructure.Text.JsonLdProcessor.ToRDF(newCase.input, options).Replace("\n", "\r\n");
+
+                    }
+                    else if (testType.Any((s) => s == "jld:FromRDFTest"))
+                    {
+                        options.format = "application/nquads";
+                        run = () => Infrastructure.Text.JsonLdProcessor.FromRDF(newCase.input, options);
+                    }
+                    else
+                    {
+                        run = () => { throw new Exception("Couldn't find a test type, apparently."); };
+                    }
+
+                    if (testCases.AreRemoteDocumentTests)
+                    {
+                        Func<string> innerRun = run;
+                        run = () =>
+                        {
+                            var remoteDoc = options.documentLoader.LoadDocument("https://json-ld.org/test-suite/tests/" + testCase.Input);
+                            newCase.input = remoteDoc.Document;
+                            options.SetBase(remoteDoc.DocumentUrl);
+                            options.SetExpandContext(remoteDoc.Context);
+                            return innerRun();
+                        };
+                    }
+
+                    newCase.run = run;
+
+                    yield return new object[] { manifest + testCase.Id, newCase };
+                }
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            throw new Exception("auggh");
+        }
+    }
+}

JsonLD.Infrastructure.Text.Tests/DictionaryExtensions.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace JsonLD.Infrastructure.Text.Tests
+{
+    internal static class DictionaryExtensions
+    {
+        public static T Required<T>(this Dictionary<string, object> dictionary, string propertyName) => Extract<T>(dictionary, propertyName, true);
+
+        public static T Optional<T>(this Dictionary<string, object> dictionary, string propertyName) => Extract<T>(dictionary, propertyName, false);
+
+        private static T Extract<T>(Dictionary<string, object> dictionary, string propertyName, bool isRequired)
+        {
+            if (!dictionary.ContainsKey(propertyName))
+            {
+                if (isRequired)
+                {
+                    var message = $"Expected top-level property {propertyName} but only found {string.Join(", ", dictionary.Keys)}";
+                    throw new Exception(message);
+                } 
+                else
+                {
+                    return default;
+                }
+            }
+            var value = dictionary[propertyName];
+            if (typeof(T).IsGenericType) {
+                var genericType = typeof(T).GetGenericTypeDefinition();
+                if (genericType == typeof(List<>))
+                {
+                    var list = Activator.CreateInstance<T>();
+                    var addMethod = typeof(T).GetMethod("Add");
+                    foreach(var item in (IEnumerable)value)
+                    {
+                        addMethod.Invoke(list, new[] { item });
+                    }
+                    return list;
+                }
+            }            
+            return (T)value;
+        }
+    }
+}

JsonLD.Infrastructure.Text.Tests/JsonFetcher.cs

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+using System.Collections.Generic;
+
+namespace JsonLD.Infrastructure.Text.Tests
+{
+    internal static class JsonFetcher
+    {
+        public static JsonTestCases GetTestCases(string manifest, string rootDirectory)
+        {
+            var json = Test.JsonFetcher.GetJsonAsString(rootDirectory, manifest);
+            var parsed = TinyJson.JSONParser.FromJson<Dictionary<string, object>>(json);
+            var sequence = parsed.Required<List<object>>("sequence");
+            var name = parsed.Required<string>("name");
+            return new JsonTestCases(name, sequence, rootDirectory);
+        }
+    }
+}

JsonLD.Infrastructure.Text.Tests/JsonLD.Infrastructure.Text.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\JsonLD.Infrastructure.Text\JsonLD.Infrastructure.Text.csproj" />
+    <ProjectReference Include="..\test\json-ld.net.tests\json-ld.net.tests.csproj" />
+  </ItemGroup>
+
+</Project>

JsonLD.Infrastructure.Text.Tests/JsonTestCase.cs

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+using System.Collections.Generic;
+
+namespace JsonLD.Infrastructure.Text.Tests
+{
+    internal class JsonTestCase
+    {
+        private readonly string _dataPath;
+        private readonly bool _isRemoteDocumentTest;
+
+        internal JsonTestCase(Dictionary<string, object> dictionary, string dataPath, bool isRemoteDocumentTest)
+        {
+            Id = dictionary.Required<string>("@id");
+            Type = dictionary.Optional<List<string>>("@type");
+            Input = dictionary.Required<string>("input");
+            Expect = dictionary.Required<string>("expect");
+            Context = dictionary.Optional<string>("context");
+            Frame = dictionary.Optional<string>("frame");
+            var options = dictionary.Optional<Dictionary<string, object>>("option");
+            if (options != null) Options = new JsonTestCaseOptions(options);
+            _dataPath = dataPath;
+            _isRemoteDocumentTest = isRemoteDocumentTest;
+        }
+
+        internal string Context { get; }
+
+        internal string Expect { get; }
+
+        internal string Frame { get; }
+
+        internal string Id { get; }
+
+        internal string Input { get; }
+
+        internal JsonTestCaseOptions Options { get; }
+
+        internal IEnumerable<string> Type { get; }
+
+        internal string GetContextJson() => Context == null ? null : Test.JsonFetcher.GetJsonAsString(_dataPath, Context);
+
+        internal string GetExpandContextJson() => Options?.ExpandContext == null ? null : Test.JsonFetcher.GetJsonAsString(_dataPath, Options.ExpandContext);
+
+        internal string GetExpectJson() => Expect == null ? null : Test.JsonFetcher.GetJsonAsString(_dataPath, Expect);
+
+        internal string GetFrameJson() => Frame == null ? null : Test.JsonFetcher.GetJsonAsString(_dataPath, Frame);
+
+        internal string GetInputJson() => _isRemoteDocumentTest
+            ? Test.JsonFetcher.GetRemoteJsonAsString(Input)
+            : Test.JsonFetcher.GetJsonAsString(_dataPath, Input);
+    }
+}

JsonLD.Infrastructure.Text.Tests/JsonTestCaseOptions.cs

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+using System;
+using System.Collections.Generic;
+
+namespace JsonLD.Infrastructure.Text.Tests
+{
+    internal class JsonTestCaseOptions
+    {
+        internal JsonTestCaseOptions(Dictionary<string, object> options)
+        {
+            if (options == null) throw new ArgumentNullException(nameof(options));
+            CompactArrays = options.Optional<bool?>("compactArrays");
+            Base = options.Optional<string>("base");
+            ExpandContext = options.Optional<string>("expandContext"); // this is temporary and incorrect
+            ProduceGeneralizedRdf = options.Optional<bool?>("produceGeneralizedRdf");
+            UseNativeTypes = options.Optional<bool?>("useNativeTypes");
+            UseRdfType = options.Optional<bool?>("useRdfType");
+        }
+
+        internal string Base { get; private set; }
+
+        internal bool? CompactArrays { get; private set; }
+
+        internal string ExpandContext { get; private set; }
+
+        internal bool? ProduceGeneralizedRdf { get; private set; }
+
+        internal bool? UseNativeTypes { get; private set; }
+
+        internal bool? UseRdfType { get; private set; }
+    }
+}