public async Task ResolveSimpleOneLevelQuery()
{
// arrange
Schema schema = CreateSchema();
var dataLoaderDescriptors =
new DataLoaderDescriptorCollection(schema.DataLoaders);
var dataLoaderState = new DataLoaderState(
schema.Services, dataLoaderDescriptors,
Enumerable.Empty <StateObjectCollection <string> >());
DocumentNode query = Parser.Default.Parse(@"
{
a
}");
OperationDefinitionNode operation = query.Definitions
.OfType <OperationDefinitionNode>().FirstOrDefault();
// act
OperationExecuter operationExecuter =
new OperationExecuter(schema, query, operation);
IExecutionResult result = await operationExecuter.ExecuteAsync(
new OperationRequest(schema.Services, dataLoaderState),
CancellationToken.None);
// assert
Assert.NotNull(result);
Assert.Null(result.Errors);
Assert.Collection(((QueryResult)result).Data,
item =>
{
Assert.Equal("a", item.Key);
Assert.Equal("hello world", item.Value);
});
}
public async Task ExecuteMutationSerially()
{
// arrange
int state = 0;
Schema schema = Schema.Create(
FileResource.Open("MutationExecutionSchema.graphql"),
cnf =>
{
cnf.BindResolver(() => state).To("Query", "state");
cnf.BindResolver(() => state).To("CurrentState", "theNumber");
cnf.BindResolver(ctx => state = ctx.Argument <int>("newNumber"))
.To("Mutation", "changeTheNumber");
});
var dataLoaderDescriptors =
new DataLoaderDescriptorCollection(schema.DataLoaders);
var dataLoaderState = new DataLoaderState(
schema.Services, dataLoaderDescriptors,
Enumerable.Empty <StateObjectCollection <string> >());
DocumentNode query = Parser.Default.Parse(
FileResource.Open("MutationExecutionQuery.graphql"));
OperationDefinitionNode operation = query.Definitions
.OfType <OperationDefinitionNode>().FirstOrDefault();
// act
OperationExecuter operationExecuter =
new OperationExecuter(schema, query, operation);
IExecutionResult result = await operationExecuter.ExecuteAsync(
new OperationRequest(schema.Services, dataLoaderState),
CancellationToken.None);
// assert
Assert.Null(result.Errors);
Assert.Equal(Snapshot.Current(), Snapshot.New(result));
}
