1 files changed, 74 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/blobs_resolver_spec.rb b/spec/graphql/resolvers/blobs_resolver_spec.rb
new file mode 100644
index 00000000000..bc0344796ee
--- /dev/null
+++ b/spec/graphql/resolvers/blobs_resolver_spec.rb
@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Resolvers::BlobsResolver do
+  include GraphqlHelpers
+
+  describe '.resolver_complexity' do
+    it 'adds one per path being resolved' do
+      control = described_class.resolver_complexity({}, child_complexity: 1)
+
+      expect(described_class.resolver_complexity({ paths: %w[a b c] }, child_complexity: 1))
+        .to eq(control + 3)
+    end
+  end
+
+  describe '#resolve' do
+    let_it_be(:user) { create(:user) }
+    let_it_be(:project) { create(:project, :repository) }
+
+    let(:repository) { project.repository }
+    let(:args) { { paths: paths, ref: ref } }
+    let(:paths) { [] }
+    let(:ref) { nil }
+
+    subject(:resolve_blobs) { resolve(described_class, obj: repository, args: args, ctx: { current_user: user }) }
+
+    context 'when unauthorized' do
+      it 'raises an exception' do
+        expect { resolve_blobs }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+      end
+    end
+
+    context 'when authorized' do
+      before do
+        project.add_developer(user)
+      end
+
+      context 'using no filter' do
+        it 'returns nothing' do
+          is_expected.to be_empty
+        end
+      end
+
+      context 'using paths filter' do
+        let(:paths) { ['README.md'] }
+
+        it 'returns the specified blobs for HEAD' do
+          is_expected.to contain_exactly(have_attributes(path: 'README.md'))
+        end
+
+        context 'specifying a non-existent blob' do
+          let(:paths) { ['non-existent'] }
+
+          it 'returns nothing' do
+            is_expected.to be_empty
+          end
+        end
+
+        context 'specifying a different ref' do
+          let(:ref) { 'add-pdf-file' }
+          let(:paths) { ['files/pdf/test.pdf', 'README.md'] }
+
+          it 'returns the specified blobs for that ref' do
+            is_expected.to contain_exactly(
+              have_attributes(path: 'files/pdf/test.pdf'),
+              have_attributes(path: 'README.md')
+            )
+          end
+        end
+      end
+    end
+  end
+end