public async Task UseDelegateMiddleware()
{
// arrange
var schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
var executer = QueryExecutionBuilder
.New()
.Use(next => context =>
{
var dict = new OrderedDictionary();
dict["done"] = true;
context.Result = new QueryResult(dict);
return(next(context));
})
.Build(schema);
// act
IExecutionResult result = await executer.ExecuteAsync("{ a }");
// assert
result.Snapshot();
}
public async Task UseDelegateMiddleware()
{
// arrange
var schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
IQueryExecutor executor = QueryExecutionBuilder
.New()
.Use(next => context =>
{
var queryResult =
QueryResultBuilder.New()
.SetData(new Dictionary <string, object> {
{ "done", true }
})
.Create();
context.Result = queryResult;
return(next(context));
})
.Build(schema);
// act
IExecutionResult result = await executor.ExecuteAsync("{ a }");
// assert
result.MatchSnapshot();
}
public void SchemaIsNull_ShouldThrow()
{
// act
Action a = () => QueryExecutionBuilder.New().Build(null);
// assert
Assert.Throws <ArgumentNullException>(a);
}
public void UseDefaultPipeline2_OptionsNull_ArgumentNullException()
{
// arrange
// act
Action action = () => QueryExecutionBuilderExtensions
.UseDefaultPipeline(QueryExecutionBuilder.New(), null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void UseField2_T_FactoryNull_ArgumentNullException()
{
// arrange
// act
Action action = () => QueryExecutionBuilderExtensions
.UseField <object>(QueryExecutionBuilder.New(), null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void MapField1_T_FieldReferenceNull_ArgumentNullException()
{
// arrange
// act
Action action = () => QueryExecutionBuilderExtensions
.MapField <object>(
QueryExecutionBuilder.New(),
null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void MapField_MiddlewareNull_ArgumentNullException()
{
// arrange
// act
Action action = () => QueryExecutionBuilderExtensions
.MapField(
QueryExecutionBuilder.New(),
new FieldReference("a", "b"),
null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void MapField_FieldReferenceNull_ArgumentNullException()
{
// arrange
// act
Action action = () => QueryExecutionBuilderExtensions
.MapField(
QueryExecutionBuilder.New(),
null,
next => context => default(ValueTask));
// assert
Assert.Throws <ArgumentNullException>(action);
}
public async Task UseClassMiddlewareWithFactory()
{
// arrange
var schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
var executer = QueryExecutionBuilder
.New()
.Use((services, next) => new TestMiddleware(next))
.Build(schema);
// act
IExecutionResult result = await executer.ExecuteAsync("{ a }");
// assert
result.Snapshot();
}
public async Task UseClassMiddleware()
{
// arrange
var schema = Schema.Create(@"
type Query { a: String }
", c =>
{
c.BindResolver(() => "hello world")
.To("Query", "a");
});
IQueryExecutor executor = QueryExecutionBuilder
.New()
.Use <TestMiddleware>()
.Build(schema);
// act
IExecutionResult result = await executor.ExecuteAsync("{ a }");
// assert
result.MatchSnapshot();
}