1 files changed, 60 insertions, 0 deletions
diff --git a/spec/support/shared_examples/services/boards/issues_list_service.rb b/spec/support/shared_examples/services/boards/issues_list_service.rb
new file mode 100644
index 00000000000..3e744323cea
--- /dev/null
+++ b/spec/support/shared_examples/services/boards/issues_list_service.rb
@@ -0,0 +1,60 @@
+shared_examples 'issues list service' do
+  it 'delegates search to IssuesFinder' do
+    params = { board_id: board.id, id: list1.id }
+
+    expect_any_instance_of(IssuesFinder).to receive(:execute).once.and_call_original
+
+    described_class.new(parent, user, params).execute
+  end
+
+  context 'issues are ordered by priority' do
+    it 'returns opened issues when list_id is missing' do
+      params = { board_id: board.id }
+
+      issues = described_class.new(parent, user, params).execute
+
+      expect(issues).to eq [opened_issue2, reopened_issue1, opened_issue1]
+    end
+
+    it 'returns opened issues when listing issues from Backlog' do
+      params = { board_id: board.id, id: backlog.id }
+
+      issues = described_class.new(parent, user, params).execute
+
+      expect(issues).to eq [opened_issue2, reopened_issue1, opened_issue1]
+    end
+
+    it 'returns closed issues when listing issues from Closed' do
+      params = { board_id: board.id, id: closed.id }
+
+      issues = described_class.new(parent, user, params).execute
+
+      expect(issues).to eq [closed_issue4, closed_issue2, closed_issue5, closed_issue3, closed_issue1]
+    end
+
+    it 'returns opened issues that have label list applied when listing issues from a label list' do
+      params = { board_id: board.id, id: list1.id }
+
+      issues = described_class.new(parent, user, params).execute
+
+      expect(issues).to eq [list1_issue3, list1_issue1, list1_issue2]
+    end
+  end
+
+  context 'with list that does not belong to the board' do
+    it 'raises an error' do
+      list = create(:list)
+      service = described_class.new(parent, user, board_id: board.id, id: list.id)
+
+      expect { service.execute }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+  end
+
+  context 'with invalid list id' do
+    it 'raises an error' do
+      service = described_class.new(parent, user, board_id: board.id, id: nil)
+
+      expect { service.execute }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+  end
+end