Allow authorize on array of objects for GraphQL

And add tests

1 files changed, 43 insertions, 0 deletions

diff --git a/spec/lib/gitlab/graphql/authorize/instrumentation_spec.rb b/spec/lib/gitlab/graphql/authorize/instrumentation_spec.rb
new file mode 100644
index 00000000000..69f53fce715
--- /dev/null
+++ b/spec/lib/gitlab/graphql/authorize/instrumentation_spec.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Graphql::Authorize::Instrumentation do
+  describe '#build_checker' do
+    let(:current_user) { double(:current_user) }
+    let(:abilities) { [double(:first_ability), double(:last_ability)] }
+
+    let(:checker) do
+      described_class.new.__send__(:build_checker, current_user, abilities)
+    end
+
+    it 'returns a checker which checks for a single object' do
+      object = double(:object)
+
+      abilities.each do |ability|
+        spy_ability_check_for(ability, object)
+      end
+
+      expect(checker.call(object)).to eq(object)
+    end
+
+    it 'returns a checker which checks for all objects' do
+      objects = [double(:first), double(:last)]
+
+      abilities.each do |ability|
+        objects.each do |object|
+          spy_ability_check_for(ability, object)
+        end
+      end
+
+      expect(checker.call(objects)).to eq(objects)
+    end
+
+    def spy_ability_check_for(ability, object)
+      expect(Ability)
+        .to receive(:allowed?)
+        .with(current_user, ability, object)
+        .and_return(true)
+    end
+  end
+end