Don't render artifact download links on the project tags page for builds with expired artifacts

app/models/ci/pipeline.rb

@@ -686,7 +686,7 @@ module Ci
       # We purposely cast the builds to an Array here. Because we always use the
       # rows if there are more than 0 this prevents us from having to run two
       # queries: one to get the count and one to get the rows.
-      @latest_builds_with_artifacts ||= builds.latest.with_artifacts_archive.to_a
+      @latest_builds_with_artifacts ||= builds.latest.with_artifacts_not_expired.to_a
     end
 
     def has_test_reports?

changelogs/unreleased/downloading-expired-artifacts.yml

+---
+title: stop rendering download links for expired artifacts on the project tags page
+merge_request: 26753
+author: Drew Cimino
+type: fixed

spec/models/ci/pipeline_spec.rb

@@ -2705,18 +2705,19 @@ describe Ci::Pipeline, :mailer do
   end
 
   describe '#latest_builds_with_artifacts' do
-    let!(:pipeline) { create(:ci_pipeline, :success) }
-
-    let!(:build) do
-      create(:ci_build, :success, :artifacts, pipeline: pipeline)
-    end
+    let!(:fresh_build) { create(:ci_build, :success, :artifacts, pipeline: pipeline) }
+    let!(:stale_build) { create(:ci_build, :success, :expired, :artifacts, pipeline: pipeline) }
 
     it 'returns an Array' do
       expect(pipeline.latest_builds_with_artifacts).to be_an_instance_of(Array)
     end
 
-    it 'returns the latest builds' do
-      expect(pipeline.latest_builds_with_artifacts).to eq([build])
+    it 'returns the latest builds with non-expired artifacts' do
+      expect(pipeline.latest_builds_with_artifacts).to contain_exactly(fresh_build)
+    end
+
+    it 'does not return builds with expired artifacts' do
+      expect(pipeline.latest_builds_with_artifacts).not_to include(stale_build)
     end
 
     it 'memoizes the returned relation' do

spec/views/projects/tags/index.html.haml_spec.rb

@@ -2,19 +2,55 @@ require 'spec_helper'
 
 describe 'projects/tags/index' do
   let(:project)  { create(:project, :repository) }
+  let(:tags)     { TagsFinder.new(project.repository, {}).execute }
+  let(:git_tag)  { project.repository.tags.last }
+  let(:release)  { create(:release, project: project, sha: git_tag.target_commit.sha) }
+  let(:pipeline) { create(:ci_pipeline, :success, project: project, ref: git_tag.name, sha: release.sha) }
+
+  let(:artifacts_download_header_regex)  { %r(<li class="dropdown-bold-header">Download artifacts<\/li>) }
+  let(:artifacts_download_link_selector) { 'a[href="' + latest_succeeded_project_artifacts_path(project, "#{pipeline.ref}/download", job: 'test') + '"]' }
 
   before do
     assign(:project, project)
     assign(:repository, project.repository)
-    assign(:tags, [])
+    assign(:releases, project.releases)
+    assign(:tags, Kaminari.paginate_array(tags).page(0))
+    assign(:tags_pipelines, { git_tag.name => pipeline })
 
     allow(view).to receive(:current_ref).and_return('master')
-    allow(view).to receive(:can?).and_return(false)
+    allow(view).to receive(:current_user).and_return(project.namespace.owner)
   end
 
   it 'defaults sort dropdown toggle to last updated' do
     render
-
     expect(rendered).to have_button('Last updated')
   end
+
+  context 'when the most recent build for a tag has artifacts' do
+    let!(:build) { create(:ci_build, :success, :artifacts, pipeline: pipeline) }
+
+    it 'renders the Artifacts section in the download list' do
+      render
+      expect(rendered).to match(artifacts_download_header_regex)
+    end
+
+    it 'renders artifact download links' do
+      render
+      expect(rendered).to have_selector(artifacts_download_link_selector)
+    end
+  end
+
+  context 'when the most recent build for a tag has expired artifacts' do
+    let!(:build) { create(:ci_build, :success, :expired, :artifacts, pipeline: pipeline) }
+
+    it 'does not render the Artifacts section in the download list' do
+      render
+      expect(rendered).not_to match(artifacts_download_header_regex)
+    end
+
+    it 'renders artifact download links' do
+      render
+      expect(rendered).not_to have_selector(artifacts_download_link_selector)
+    end
+  end
 end