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Versions: 12
Compression:
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Contents
# frozen_string_literal: true
require "spec_helper"
describe GraphQL::Schema::Union do
let(:union) { Jazz::PerformingAct }
describe "type info" do
it "has some" do
assert_equal 2, union.possible_types.size
end
end
describe ".to_graphql" do
it "creates a UnionType" do
union = Class.new(GraphQL::Schema::Union) do
possible_types Jazz::Musician, Jazz::Ensemble
def self.name
"MyUnion"
end
end
union_type = union.to_graphql
assert_equal "MyUnion", union_type.name
assert_equal [Jazz::Musician.to_graphql, Jazz::Ensemble.to_graphql], union_type.possible_types
assert_nil union_type.resolve_type_proc
end
it "can specify a resolve_type method" do
union = Class.new(GraphQL::Schema::Union) do
def self.resolve_type(_object, _context)
"MyType"
end
def self.name
"MyUnion"
end
end
union_type = union.to_graphql
assert_equal "MyType", union_type.resolve_type_proc.call(nil, nil)
end
end
describe "in queries" do
it "works" do
query_str = <<-GRAPHQL
{
nowPlaying {
... on Musician {
name
instrument {
family
}
}
... on Ensemble {
name
}
}
}
GRAPHQL
res = Jazz::Schema.execute(query_str)
expected_data = { "name" => "Bela Fleck and the Flecktones" }
assert_equal expected_data, res["data"]["nowPlaying"]
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems