1 files changed, 93 insertions, 0 deletions
diff --git a/spec/helpers/issuables_description_templates_helper_spec.rb b/spec/helpers/issuables_description_templates_helper_spec.rb
new file mode 100644
index 00000000000..42643b755f8
--- /dev/null
+++ b/spec/helpers/issuables_description_templates_helper_spec.rb
@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe IssuablesDescriptionTemplatesHelper, :clean_gitlab_redis_cache do
+  include_context 'project issuable templates context'
+
+  describe '#issuable_templates' do
+    let_it_be(:inherited_from) { nil }
+    let_it_be(:user) { create(:user) }
+    let_it_be(:parent_group, reload: true) { create(:group) }
+    let_it_be(:project, reload: true) { create(:project, :custom_repo, files: issuable_template_files) }
+    let_it_be(:group_member) { create(:group_member, :developer, group: parent_group, user: user) }
+    let_it_be(:project_member) { create(:project_member, :developer, user: user, project: project) }
+
+    it 'returns empty hash when template type does not exist' do
+      expect(helper.issuable_templates(build(:project), 'non-existent-template-type')).to eq([])
+    end
+
+    context 'with cached issuable templates' do
+      before do
+        allow(Gitlab::Template::IssueTemplate).to receive(:template_names).and_return({})
+        allow(Gitlab::Template::MergeRequestTemplate).to receive(:template_names).and_return({})
+
+        helper.issuable_templates(project, 'issues')
+        helper.issuable_templates(project, 'merge_request')
+      end
+
+      it 'does not call TemplateFinder' do
+        expect(Gitlab::Template::IssueTemplate).not_to receive(:template_names)
+        expect(Gitlab::Template::MergeRequestTemplate).not_to receive(:template_names)
+        helper.issuable_templates(project, 'issues')
+        helper.issuable_templates(project, 'merge_request')
+      end
+    end
+
+    context 'when project has no parent group' do
+      it_behaves_like 'project issuable templates'
+    end
+
+    context 'when project has parent group' do
+      before do
+        project.update!(group: parent_group)
+      end
+
+      context 'when project parent group does not have a file template project' do
+        it_behaves_like 'project issuable templates'
+      end
+
+      context 'when project parent group has a file template project' do
+        let_it_be(:file_template_project) { create(:project, :custom_repo, group: parent_group, files: issuable_template_files) }
+        let_it_be(:group, reload: true) { create(:group, parent: parent_group) }
+        let_it_be(:project, reload: true) { create(:project, :custom_repo, group: group, files: issuable_template_files) }
+
+        before do
+          project.update!(group: group)
+          parent_group.update_columns(file_template_project_id: file_template_project.id)
+        end
+
+        it_behaves_like 'project issuable templates'
+      end
+    end
+  end
+
+  describe '#issuable_templates_names' do
+    let(:project) { double(Project, id: 21) }
+
+    let(:templates) do
+      [
+        { name: "another_issue_template", id: "another_issue_template", project_id: project.id },
+        { name: "custom_issue_template", id: "custom_issue_template", project_id: project.id }
+      ]
+    end
+
+    it 'returns project templates only' do
+      allow(helper).to receive(:ref_project).and_return(project)
+      allow(helper).to receive(:issuable_templates).and_return(templates)
+
+      expect(helper.issuable_templates_names(Issue.new)).to eq(%w[another_issue_template custom_issue_template])
+    end
+
+    context 'when there are not templates in the project' do
+      let(:templates) { {} }
+
+      it 'returns empty array' do
+        allow(helper).to receive(:ref_project).and_return(project)
+        allow(helper).to receive(:issuable_templates).and_return(templates)
+
+        expect(helper.issuable_templates_names(Issue.new)).to eq([])
+      end
+    end
+  end
+end