Merge branch 'adam-external-issue-references-spike' into 'master'

Improve support for external issue references

Closes #33679, #34076, and #34082

See merge request !12485

9 files changed, 45 insertions, 59 deletions

diff --git a/spec/factories/projects.rb b/spec/factories/projects.rb
index aef1c17a239..1bb2db11e7f 100644
--- a/spec/factories/projects.rb
+++ b/spec/factories/projects.rb
@@ -220,7 +220,7 @@ FactoryGirl.define do
         active: true,
         properties: {
           'project_url' => 'http://redmine/projects/project_name_in_redmine',
-          'issues_url' => "http://redmine/#{project.id}/project_name_in_redmine/:id",
+          'issues_url' => 'http://redmine/projects/project_name_in_redmine/issues/:id',
           'new_issue_url' => 'http://redmine/projects/project_name_in_redmine/issues/new'
         }
       )
diff --git a/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb b/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb
index a4bb043f8f1..b7d82c36ddd 100644
--- a/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb
+++ b/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb
@@ -88,12 +88,12 @@ describe Banzai::Filter::ExternalIssueReferenceFilter, lib: true do
 
       it 'queries the collection on the first call' do
         expect_any_instance_of(Project).to receive(:default_issues_tracker?).once.and_call_original
-        expect_any_instance_of(Project).to receive(:issue_reference_pattern).once.and_call_original
+        expect_any_instance_of(Project).to receive(:external_issue_reference_pattern).once.and_call_original
 
         not_cached = reference_filter.call("look for #{reference}", { project: project })
 
         expect_any_instance_of(Project).not_to receive(:default_issues_tracker?)
-        expect_any_instance_of(Project).not_to receive(:issue_reference_pattern)
+        expect_any_instance_of(Project).not_to receive(:external_issue_reference_pattern)
 
         cached = reference_filter.call("look for #{reference}", { project: project })
 
diff --git a/spec/lib/banzai/filter/issue_reference_filter_spec.rb b/spec/lib/banzai/filter/issue_reference_filter_spec.rb
index e5c1deb338b..a79d365d6c5 100644
--- a/spec/lib/banzai/filter/issue_reference_filter_spec.rb
+++ b/spec/lib/banzai/filter/issue_reference_filter_spec.rb
@@ -39,13 +39,6 @@ describe Banzai::Filter::IssueReferenceFilter, lib: true do
 
     let(:reference) { "##{issue.iid}" }
 
-    it 'ignores valid references when using non-default tracker' do
-      allow(project).to receive(:default_issues_tracker?).and_return(false)
-
-      exp = act = "Issue #{reference}"
-      expect(reference_filter(act).to_html).to eq exp
-    end
-
     it 'links to a valid reference' do
       doc = reference_filter("Fixed #{reference}")
 
@@ -340,24 +333,6 @@ describe Banzai::Filter::IssueReferenceFilter, lib: true do
           .to eq({ project => { issue.iid => issue } })
       end
     end
-
-    context 'using an external issue tracker' do
-      it 'returns a Hash containing the issues per project' do
-        doc = Nokogiri::HTML.fragment('')
-        filter = described_class.new(doc, project: project)
-
-        expect(project).to receive(:default_issues_tracker?).and_return(false)
-
-        expect(filter).to receive(:projects_per_reference)
-          .and_return({ project.path_with_namespace => project })
-
-        expect(filter).to receive(:references_per_project)
-          .and_return({ project.path_with_namespace => Set.new([1]) })
-
-        expect(filter.issues_per_project[project][1])
-          .to be_an_instance_of(ExternalIssue)
-      end
-    end
   end
 
   describe '.references_in' do
diff --git a/spec/lib/banzai/pipeline/gfm_pipeline_spec.rb b/spec/lib/banzai/pipeline/gfm_pipeline_spec.rb
new file mode 100644
index 00000000000..2b8c76f2bb8
--- /dev/null
+++ b/spec/lib/banzai/pipeline/gfm_pipeline_spec.rb
@@ -0,0 +1,33 @@
+require 'rails_helper'
+
+describe Banzai::Pipeline::GfmPipeline do
+  describe 'integration between parsing regular and external issue references' do
+    let(:project) { create(:redmine_project, :public) }
+
+    it 'allows to use shorthand external reference syntax for Redmine' do
+      markdown = '#12'
+
+      result = described_class.call(markdown, project: project)[:output]
+      link = result.css('a').first
+
+      expect(link['href']).to eq 'http://redmine/projects/project_name_in_redmine/issues/12'
+    end
+
+    it 'parses cross-project references to regular issues' do
+      other_project = create(:empty_project, :public)
+      issue = create(:issue, project: other_project)
+      markdown = issue.to_reference(project, full: true)
+
+      result = described_class.call(markdown, project: project)[:output]
+      link = result.css('a').first
+
+      expect(link['href']).to eq(
+        Gitlab::Routing.url_helpers.namespace_project_issue_path(
+          other_project.namespace,
+          other_project,
+          issue
+        )
+      )
+    end
+  end
+end
diff --git a/spec/lib/banzai/reference_parser/issue_parser_spec.rb b/spec/lib/banzai/reference_parser/issue_parser_spec.rb
index 58e1a0c1bc1..acdd23f81f3 100644
--- a/spec/lib/banzai/reference_parser/issue_parser_spec.rb
+++ b/spec/lib/banzai/reference_parser/issue_parser_spec.rb
@@ -39,16 +39,6 @@ describe Banzai::ReferenceParser::IssueParser, lib: true do
         expect(subject.nodes_visible_to_user(user, [link])).to eq([])
       end
     end
-
-    context 'when the project uses an external issue tracker' do
-      it 'returns all nodes' do
-        link = double(:link)
-
-        expect(project).to receive(:external_issue_tracker).and_return(true)
-
-        expect(subject.nodes_visible_to_user(user, [link])).to eq([link])
-      end
-    end
   end
 
   describe '#referenced_by' do
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index c86f56c55eb..4a1de76f099 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -64,12 +64,12 @@ describe JiraService, models: true do
     end
   end
 
-  describe '#reference_pattern' do
+  describe '.reference_pattern' do
     it_behaves_like 'allows project key on reference pattern'
 
     it 'does not allow # on the code' do
-      expect(subject.reference_pattern.match('#123')).to be_nil
-      expect(subject.reference_pattern.match('1#23#12')).to be_nil
+      expect(described_class.reference_pattern.match('#123')).to be_nil
+      expect(described_class.reference_pattern.match('1#23#12')).to be_nil
     end
   end
 
diff --git a/spec/models/project_services/redmine_service_spec.rb b/spec/models/project_services/redmine_service_spec.rb
index 6631d9040b1..441b3f896ca 100644
--- a/spec/models/project_services/redmine_service_spec.rb
+++ b/spec/models/project_services/redmine_service_spec.rb
@@ -31,11 +31,11 @@ describe RedmineService, models: true do
     end
   end
 
-  describe '#reference_pattern' do
+  describe '.reference_pattern' do
     it_behaves_like 'allows project key on reference pattern'
 
     it 'does allow # on the reference' do
-      expect(subject.reference_pattern.match('#123')[:issue]).to eq('123')
+      expect(described_class.reference_pattern.match('#123')[:issue]).to eq('123')
     end
   end
 end
diff --git a/spec/services/git_push_service_spec.rb b/spec/services/git_push_service_spec.rb
index ca827fc0f39..8e8816870e1 100644
--- a/spec/services/git_push_service_spec.rb
+++ b/spec/services/git_push_service_spec.rb
@@ -401,18 +401,6 @@ describe GitPushService, services: true do
         expect(SystemNoteService).not_to receive(:cross_reference)
         execute_service(project, commit_author, @oldrev, @newrev, @ref )
       end
-
-      it "doesn't close issues when external issue tracker is in use" do
-        allow_any_instance_of(Project).to receive(:default_issues_tracker?)
-          .and_return(false)
-        external_issue_tracker = double(title: 'My Tracker', issue_path: issue.iid, reference_pattern: project.issue_reference_pattern)
-        allow_any_instance_of(Project).to receive(:external_issue_tracker).and_return(external_issue_tracker)
-
-        # The push still shouldn't create cross-reference notes.
-        expect do
-          execute_service(project, commit_author, @oldrev, @newrev,  'refs/heads/hurf' )
-        end.not_to change { Note.where(project_id: project.id, system: true).count }
-      end
     end
 
     context "to non-default branches" do
diff --git a/spec/support/issue_tracker_service_shared_example.rb b/spec/support/issue_tracker_service_shared_example.rb
index e70b3963d9d..a6ab03cb808 100644
--- a/spec/support/issue_tracker_service_shared_example.rb
+++ b/spec/support/issue_tracker_service_shared_example.rb
@@ -8,15 +8,15 @@ end
 
 RSpec.shared_examples 'allows project key on reference pattern' do |url_attr|
   it 'allows underscores in the project name' do
-    expect(subject.reference_pattern.match('EXT_EXT-1234')[0]).to eq 'EXT_EXT-1234'
+    expect(described_class.reference_pattern.match('EXT_EXT-1234')[0]).to eq 'EXT_EXT-1234'
   end
 
   it 'allows numbers in the project name' do
-    expect(subject.reference_pattern.match('EXT3_EXT-1234')[0]).to eq 'EXT3_EXT-1234'
+    expect(described_class.reference_pattern.match('EXT3_EXT-1234')[0]).to eq 'EXT3_EXT-1234'
   end
 
   it 'requires the project name to begin with A-Z' do
-    expect(subject.reference_pattern.match('3EXT_EXT-1234')).to eq nil
-    expect(subject.reference_pattern.match('EXT_EXT-1234')[0]).to eq 'EXT_EXT-1234'
+    expect(described_class.reference_pattern.match('3EXT_EXT-1234')).to eq nil
+    expect(described_class.reference_pattern.match('EXT_EXT-1234')[0]).to eq 'EXT_EXT-1234'
   end
 end