public async Task InvokeAsync(IMiddlewareContext context)
{
DelegateDirective delegateDirective = context.Field
.Directives[DirectiveNames.Delegate]
.FirstOrDefault()?.ToObject <DelegateDirective>();
if (delegateDirective != null)
{
IImmutableStack <SelectionPathComponent> path =
delegateDirective.Path is null
? ImmutableStack <SelectionPathComponent> .Empty
: SelectionPathParser.Parse(delegateDirective.Path);
IReadOnlyQueryRequest request =
CreateQuery(context, delegateDirective.Schema, path);
IReadOnlyQueryResult result = await ExecuteQueryAsync(
context, request, delegateDirective.Schema)
.ConfigureAwait(false);
UpdateContextData(context, result, delegateDirective);
context.Result = new SerializedData(
ExtractData(result.Data, path.Count()));
ReportErrors(context, result.Errors);
}
await _next.Invoke(context).ConfigureAwait(false);
}
public static void ReadPrimitiveIImmutableStackT()
{
IImmutableStack <int> result = JsonSerializer.Parse <IImmutableStack <int> >(Encoding.UTF8.GetBytes(@"[1,2]"));
int expected = 2;
foreach (int i in result)
{
Assert.Equal(expected--, i);
}
result = JsonSerializer.Parse <IImmutableStack <int> >(Encoding.UTF8.GetBytes(@"[]"));
Assert.Equal(0, result.Count());
}
public void DeserializeStackInterface()
{
string json = @"[
""One"",
""II"",
""3""
]";
IImmutableStack <string> l = JsonConvert.DeserializeObject <IImmutableStack <string> >(json);
Assert.AreEqual(3, l.Count());
Assert.AreEqual("3", l.ElementAt(0));
Assert.AreEqual("II", l.ElementAt(1));
Assert.AreEqual("One", l.ElementAt(2));
}
public static void ReadPrimitiveIImmutableStackT()
{
IImmutableStack <int> result = JsonSerializer.Deserialize <IImmutableStack <int> >(Encoding.UTF8.GetBytes(@"[1,2]"));
int expected = 2;
foreach (int i in result)
{
Assert.Equal(expected--, i);
}
result = JsonSerializer.Deserialize <IImmutableStack <int> >(Encoding.UTF8.GetBytes(@"[]"));
Assert.Equal(0, result.Count());
Assert.Throws <JsonException>(() => JsonSerializer.Deserialize <StringIImmutableStackWrapper>(@"[""1"",""2""]"));
Assert.Throws <JsonException>(() => JsonSerializer.Deserialize <StringIImmutableStackWrapper>(@"[]"));
}
public async Task ReadPrimitiveIImmutableStackT()
{
IImmutableStack <int> result = await JsonSerializerWrapperForString.DeserializeWrapper <IImmutableStack <int> >(@"[1,2]");
int expected = 2;
foreach (int i in result)
{
Assert.Equal(expected--, i);
}
result = await JsonSerializerWrapperForString.DeserializeWrapper <IImmutableStack <int> >(@"[]");
Assert.Equal(0, result.Count());
await Assert.ThrowsAsync <NotSupportedException>(async() => await JsonSerializerWrapperForString.DeserializeWrapper <StringIImmutableStackWrapper>(@"[""1"",""2""]"));
await Assert.ThrowsAsync <NotSupportedException>(async() => await JsonSerializerWrapperForString.DeserializeWrapper <StringIImmutableStackWrapper>(@"[]"));
}
