private static TableGroup ParseMetadataFromJson(string json, Uri baseUri)
{
var metadataParser = new JsonMetadataParser(new DefaultResolver(), baseUri ?? new Uri("http://localhost/example.json"));
using var reader = new StringReader(json);
return(metadataParser.Parse(reader));
}
private static TableGroup ParseMetadata(string jsonPath, Uri baseUri)
{
var metadataParser = new JsonMetadataParser(new DefaultResolver(), baseUri ?? new Uri("http://localhost/example.json"));
using var fileStream = File.OpenText(jsonPath);
return(metadataParser.Parse(fileStream));
}
public async void TestValidConversions(string tableMetadataPath, string csvFilePath,
string expectedOutputGraphPath)
{
var metadataParser =
new JsonMetadataParser(new DefaultResolver(), new Uri("http://example.org/metadata.json"));
tableMetadataPath = Path.Combine("data", tableMetadataPath);
csvFilePath = Path.Combine("data", csvFilePath);
expectedOutputGraphPath = Path.Combine("data", expectedOutputGraphPath);
TableGroup tableGroup;
using (var metadataReader = File.OpenText(tableMetadataPath))
{
tableGroup = metadataParser.Parse(metadataReader);
}
tableGroup.Should().NotBeNull();
tableGroup.Tables.Should().HaveCount(1);
var tableMeta = tableGroup.Tables[0];
tableMeta.Should().NotBeNull(because: "The metadata file should parse as table metadata");
var outputGraph = new Graph();
var graphHandler = new GraphHandler(outputGraph);
var resolverMock = new Mock <ITableResolver>();
resolverMock.Setup(x => x.ResolveAsync(It.IsAny <Uri>())).Returns(Task.FromResult(File.OpenRead(csvFilePath) as Stream));
var converter = new Converter(graphHandler, resolverMock.Object, ConverterMode.Minimal);
await converter.ConvertAsync(tableMeta.Parent as TableGroup);
converter.Errors.Count.Should().Be(0, "Expected 0 errors. Got {0}. Error listing is:\n{1}", converter.Errors.Count, string.Join("\n", converter.Errors));
var turtleParser = new TurtleParser(TurtleSyntax.W3C);
var expectGraph = new Graph();
turtleParser.Load(expectGraph, expectedOutputGraphPath);
var diff = new GraphDiff();
var diffReport = diff.Difference(expectGraph, outputGraph);
diffReport.AreEqual.Should().BeTrue("Graphs differ");
}
private TableGroup ParseCsvMetadata(Uri baseUri, string metadata)
{
var parser = new JsonMetadataParser(_resolver, baseUri);
return(parser.Parse(new StringReader(metadata)));
}
