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# frozen_string_literal: true
require "spec_helper"
describe GraphQL::Current do
describe "when no query is running" do
it "returns nil for things" do
assert_nil GraphQL::Current.operation_name
assert_nil GraphQL::Current.field
assert_nil GraphQL::Current.dataloader_source_class
end
end
describe "in queries" do
class CurrentSchema < GraphQL::Schema
class ThingSource < GraphQL::Dataloader::Source
def initialize(context)
@context = context
end
def fetch(names)
@context[:current_operation_name] << GraphQL::Current.operation_name
@context[:current_source] << GraphQL::Current.dataloader_source_class
names
end
end
class Thing < GraphQL::Schema::Object
field :name, String
def name
context[:current_field] << GraphQL::Current.field.path
context.dataloader.with(ThingSource, context).load("thing")
end
end
class Query < GraphQL::Schema::Object
field :thing, Thing
def thing
context[:current_field] << GraphQL::Current.field.path
:thing
end
end
query(Query)
use GraphQL::Dataloader
end
it "returns execution information" do
ctx = {
current_field: [],
current_source: [],
current_operation_name: []
}
res = CurrentSchema.execute("query GetThingName { thing { name } }", context: ctx)
assert_equal "thing", res["data"]["thing"]["name"]
assert_equal ["GetThingName"], ctx[:current_operation_name]
assert_equal [CurrentSchema::ThingSource], ctx[:current_source]
assert_equal ["Query.thing", "Thing.name"], ctx[:current_field]
end
end
end
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