1 files changed, 188 insertions, 0 deletions
diff --git a/spec/mailers/emails/service_desk_spec.rb b/spec/mailers/emails/service_desk_spec.rb
new file mode 100644
index 00000000000..842f82539cb
--- /dev/null
+++ b/spec/mailers/emails/service_desk_spec.rb
@@ -0,0 +1,188 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require 'email_spec'
+
+RSpec.describe Emails::ServiceDesk do
+  include EmailSpec::Helpers
+  include EmailSpec::Matchers
+  include EmailHelpers
+
+  include_context 'gitlab email notification'
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:issue) { create(:issue, project: project) }
+  let(:template) { double(content: template_content) }
+
+  before do
+    stub_const('ServiceEmailClass', Class.new(ApplicationMailer))
+
+    ServiceEmailClass.class_eval do
+      include GitlabRoutingHelper
+      include EmailsHelper
+      include Emails::ServiceDesk
+
+      helper GitlabRoutingHelper
+      helper EmailsHelper
+
+      # this method is implemented in Notify class, we don't need to test it
+      def reply_key
+        'test-key'
+      end
+
+      # this method is implemented in Notify class, we don't need to test it
+      def sender(author_id, params = {})
+        author_id
+      end
+
+      # this method is implemented in Notify class
+      #
+      # We do not need to test the Notify method, it is already tested in notify_spec
+      def mail_new_thread(issue, options)
+        # we need to rewrite this in order to look up templates in the correct directory
+        self.class.mailer_name = 'notify'
+
+        # this is needed for default layout
+        @unsubscribe_url = 'http://unsubscribe.example.com'
+
+        mail(options)
+      end
+      alias_method :mail_answer_thread, :mail_new_thread
+    end
+  end
+
+  shared_examples 'handle template content' do |template_key|
+    before do
+      expect(Gitlab::Template::ServiceDeskTemplate).to receive(:find)
+        .with(template_key, issue.project)
+        .and_return(template)
+    end
+
+    it 'builds the email correctly' do
+      aggregate_failures do
+        is_expected.to have_referable_subject(issue, include_project: false, reply: reply_in_subject)
+        is_expected.to have_body_text(expected_body)
+        expect(subject.content_type).to include('text/html')
+      end
+    end
+  end
+
+  shared_examples 'read template from repository' do |template_key|
+    let(:template_content) { 'custom text' }
+    let(:issue) { create(:issue, project: project)}
+
+    context 'when a template is in the repository' do
+      let(:project) { create(:project, :custom_repo, files: { ".gitlab/service_desk_templates/#{template_key}.md" => template_content }) }
+
+      it 'uses the text template from the template' do
+        is_expected.to have_body_text(template_content)
+      end
+    end
+
+    context 'when the service_desk_templates directory does not contain correct template' do
+      let(:project) { create(:project, :custom_repo, files: { ".gitlab/service_desk_templates/another_file.md" => template_content }) }
+
+      it 'uses the default template' do
+        is_expected.to have_body_text(default_text)
+      end
+    end
+
+    context 'when the service_desk_templates directory does not exist' do
+      let(:project) { create(:project, :custom_repo, files: { "other_directory/another_file.md" => template_content }) }
+
+      it 'uses the default template' do
+        is_expected.to have_body_text(default_text)
+      end
+    end
+
+    context 'when the project does not have a repo' do
+      let(:project) { create(:project) }
+
+      it 'uses the default template' do
+        is_expected.to have_body_text(default_text)
+      end
+    end
+  end
+
+  describe '.service_desk_thank_you_email' do
+    let_it_be(:reply_in_subject) { true }
+    let_it_be(:default_text) do
+      "Thank you for your support request! We are tracking your request as ticket #{issue.to_reference}, and will respond as soon as we can."
+    end
+
+    subject { ServiceEmailClass.service_desk_thank_you_email(issue.id) }
+
+    it_behaves_like 'read template from repository', 'thank_you'
+
+    context 'handling template markdown' do
+      context 'with a simple text' do
+        let(:template_content) { 'thank you, **your new issue** has been created.' }
+        let(:expected_body) { 'thank you, <strong>your new issue</strong> has been created.' }
+
+        it_behaves_like 'handle template content', 'thank_you'
+      end
+
+      context 'with an issue id and issue path placeholders' do
+        let(:template_content) { 'thank you, **your new issue:** %{ISSUE_ID}, path: %{ISSUE_PATH}' }
+        let(:expected_body) { "thank you, <strong>your new issue:</strong> ##{issue.iid}, path: #{project.full_path}##{issue.iid}" }
+
+        it_behaves_like 'handle template content', 'thank_you'
+      end
+
+      context 'with an issue id placeholder with whitespace' do
+        let(:template_content) { 'thank you, **your new issue:** %{  ISSUE_ID}' }
+        let(:expected_body) { "thank you, <strong>your new issue:</strong> ##{issue.iid}" }
+
+        it_behaves_like 'handle template content', 'thank_you'
+      end
+
+      context 'with unexpected placeholder' do
+        let(:template_content) { 'thank you, **your new issue:** %{this is issue}' }
+        let(:expected_body) { "thank you, <strong>your new issue:</strong> %{this is issue}" }
+
+        it_behaves_like 'handle template content', 'thank_you'
+      end
+    end
+  end
+
+  describe '.service_desk_new_note_email' do
+    let_it_be(:reply_in_subject) { false }
+    let_it_be(:note) { create(:note_on_issue, noteable: issue, project: project) }
+    let_it_be(:default_text) { note.note }
+
+    subject { ServiceEmailClass.service_desk_new_note_email(issue.id, note.id) }
+
+    it_behaves_like 'read template from repository', 'new_note'
+
+    context 'handling template markdown' do
+      context 'with a simple text' do
+        let(:template_content) { 'thank you, **new note on issue** has been created.' }
+        let(:expected_body) { 'thank you, <strong>new note on issue</strong> has been created.' }
+
+        it_behaves_like 'handle template content', 'new_note'
+      end
+
+      context 'with an issue id, issue path and note placeholders' do
+        let(:template_content) { 'thank you, **new note on issue:** %{ISSUE_ID}, path: %{ISSUE_PATH}: %{NOTE_TEXT}' }
+        let(:expected_body) { "thank you, <strong>new note on issue:</strong> ##{issue.iid}, path: #{project.full_path}##{issue.iid}: #{note.note}" }
+
+        it_behaves_like 'handle template content', 'new_note'
+      end
+
+      context 'with an issue id placeholder with whitespace' do
+        let(:template_content) { 'thank you, **new note on issue:** %{  ISSUE_ID}: %{ NOTE_TEXT  }' }
+        let(:expected_body) { "thank you, <strong>new note on issue:</strong> ##{issue.iid}: #{note.note}" }
+
+        it_behaves_like 'handle template content', 'new_note'
+      end
+
+      context 'with unexpected placeholder' do
+        let(:template_content) { 'thank you, **new note on issue:** %{this is issue}' }
+        let(:expected_body) { "thank you, <strong>new note on issue:</strong> %{this is issue}" }
+
+        it_behaves_like 'handle template content', 'new_note'
+      end
+    end
+  end
+end