Allow creating merge requests across forks of a project

1 files changed, 54 insertions, 0 deletions

diff --git a/spec/finders/merge_request_target_project_finder_spec.rb b/spec/finders/merge_request_target_project_finder_spec.rb
new file mode 100644
index 00000000000..c81bfd7932c
--- /dev/null
+++ b/spec/finders/merge_request_target_project_finder_spec.rb
@@ -0,0 +1,54 @@
+require 'spec_helper'
+
+describe MergeRequestTargetProjectFinder do
+  include ProjectForksHelper
+
+  let(:user) { create(:user) }
+  subject(:finder) { described_class.new(current_user: user, source_project: forked_project) }
+
+  shared_examples 'finding related projects' do
+    it 'finds sibling projects and base project'  do
+      other_fork
+
+      expect(finder.execute).to contain_exactly(base_project, other_fork, forked_project)
+    end
+
+    it 'does not include projects that have merge requests turned off' do
+      other_fork.project_feature.update!(merge_requests_access_level: ProjectFeature::DISABLED)
+      base_project.project_feature.update!(merge_requests_access_level: ProjectFeature::DISABLED)
+
+      expect(finder.execute).to contain_exactly(forked_project)
+    end
+  end
+
+  context 'public projects' do
+    let(:base_project) { create(:project, :public, path: 'base') }
+    let(:forked_project) { fork_project(base_project) }
+    let(:other_fork) { fork_project(base_project) }
+
+    it_behaves_like 'finding related projects'
+  end
+
+  context 'private projects' do
+    let(:base_project) { create(:project, :private, path: 'base') }
+    let(:forked_project) { fork_project(base_project, base_project.owner) }
+    let(:other_fork) { fork_project(base_project, base_project.owner) }
+
+    context 'when the user is a member of all projects' do
+      before do
+        base_project.add_developer(user)
+        forked_project.add_developer(user)
+        other_fork.add_developer(user)
+      end
+
+      it_behaves_like 'finding related projects'
+    end
+
+    it 'only finds the projects the user is a member of' do
+      other_fork.add_developer(user)
+      base_project.add_developer(user)
+
+      expect(finder.execute).to contain_exactly(other_fork, base_project)
+    end
+  end
+end