Add tests for BaseResolver and update accordingly

1 files changed, 31 insertions, 0 deletions

diff --git a/spec/graphql/resolvers/base_resolver_spec.rb b/spec/graphql/resolvers/base_resolver_spec.rb
new file mode 100644
index 00000000000..e3a34762b62
--- /dev/null
+++ b/spec/graphql/resolvers/base_resolver_spec.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::BaseResolver do
+  include GraphqlHelpers
+
+  let(:resolver) do
+    Class.new(described_class) do
+      def resolve(**args)
+        [args, args]
+      end
+    end
+  end
+
+  describe '.single' do
+    it 'returns a subclass from the resolver' do
+      expect(resolver.single.superclass).to eq(resolver)
+    end
+
+    it 'returns the same subclass every time' do
+      expect(resolver.single.object_id).to eq(resolver.single.object_id)
+    end
+
+    it 'returns a resolver that gives the first result from the original resolver' do
+      result = resolve(resolver.single, args: { test: 1 })
+
+      expect(result).to eq(test: 1)
+    end
+  end
+end