Add GitalyClient::RepositoryService specs

spec/lib/gitlab/gitaly_client/repository_service_spec.rb

+require 'spec_helper'
+
+describe Gitlab::GitalyClient::RepositoryService do
+  let(:project) { create(:project) }
+  let(:storage_name) { project.repository_storage }
+  let(:relative_path) { project.disk_path + '.git' }
+  let(:client) { described_class.new(project.repository) }
+
+  describe '#exists?' do
+    it 'sends a repository_exists message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:repository_exists)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(double(exists: true))
+
+      client.exists?
+    end
+  end
+
+  describe '#garbage_collect' do
+    it 'sends a garbage_collect message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:garbage_collect)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(double(:garbage_collect_response))
+
+      client.garbage_collect(true)
+    end
+  end
+
+  describe '#repack_full' do
+    it 'sends a repack_full message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:repack_full)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(double(:repack_full_response))
+
+      client.repack_full(true)
+    end
+  end
+
+  describe '#repack_incremental' do
+    it 'sends a repack_incremental message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:repack_incremental)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(double(:repack_incremental_response))
+
+      client.repack_incremental
+    end
+  end
+
+  describe '#repository_size' do
+    it 'sends a repository_size message' do
+      expect_any_instance_of(Gitaly::RepositoryService::Stub)
+        .to receive(:repository_size)
+        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
+        .and_return(size: 0)
+
+      client.repository_size
+    end
+  end
+end