public void FindUndeclaredVariablesFragmentDefinition()
{
// arrange
ISchema schema = SchemaBuilder.New()
.AddStarWarsTypes()
.Create();
DocumentNode document = Utf8GraphQLParser.Parse(
@"
query getHero {
... q
}
fragment q on Query {
hero(episode: $ep) {
name
}
}
");
OperationDefinitionNode operation = document.Definitions
.OfType <OperationDefinitionNode>()
.First();
var visitor = new CollectVariablesVisitor(schema);
var visitationMap = new CollectVariablesVisitationMap();
visitationMap.Initialize(
document.Definitions.OfType <FragmentDefinitionNode>()
.ToDictionary(t => t.Name.Value));
// act
operation.Accept(
visitor,
visitationMap,
node => VisitorAction.Continue);
// assert
var variables = operation.VariableDefinitions.ToList();
variables.AddRange(visitor.VariableDeclarations);
operation = operation.WithVariableDefinitions(variables);
var definitions = new List <IDefinitionNode>();
definitions.Add(operation);
definitions.AddRange(
document.Definitions.OfType <FragmentDefinitionNode>());
QuerySyntaxSerializer.Serialize(
new DocumentNode(
definitions)).MatchSnapshot();
}
public void FindUndeclaredVariablesInlineFragment()
{
// arrange
ISchema schema = SchemaBuilder.New()
.AddStarWarsTypes()
.Create();
DocumentNode document = Utf8GraphQLParser.Parse(
@"
query getHero {
... on Query {
hero(episode: $ep) {
name
}
}
}");
OperationDefinitionNode operation = document.Definitions
.OfType <OperationDefinitionNode>()
.First();
var visitor = new CollectVariablesVisitor(schema);
var visitationMap = new CollectVariablesVisitationMap();
// act
operation.Accept(
visitor,
visitationMap,
node => VisitorAction.Continue);
// assert
var variables = operation.VariableDefinitions.ToList();
variables.AddRange(visitor.VariableDeclarations);
operation = operation.WithVariableDefinitions(variables);
new DocumentNode(
new IDefinitionNode[]
{
operation
}).Print().MatchSnapshot();
}
