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# Specifications for behavior common to all Mentionable implementations.
# Requires a shared context containing:
# - subject { "the mentionable implementation" }
# - let(:backref_text) { "the way that +subject+ should refer to itself in backreferences " }
# - let(:set_mentionable_text) { lambda { |txt| "block that assigns txt to the subject's mentionable_text" } }
shared_context 'mentionable context' do
let(:project) { subject.project }
let(:author) { subject.author }
let(:mentioned_issue) { create(:issue, project: project) }
let!(:mentioned_mr) { create(:merge_request, source_project: project) }
let(:mentioned_commit) { project.commit("HEAD~1") }
let(:ext_proj) { create(:project, :public) }
let(:ext_issue) { create(:issue, project: ext_proj) }
let(:ext_mr) { create(:merge_request, :simple, source_project: ext_proj) }
let(:ext_commit) { ext_proj.commit("HEAD~2") }
# Override to add known commits to the repository stub.
let(:extra_commits) { [] }
# A string that mentions each of the +mentioned_.*+ objects above. Mentionables should add a self-reference
# to this string and place it in their +mentionable_text+.
let(:ref_string) do
<<-MSG.strip_heredoc
These references are new:
Issue: #{mentioned_issue.to_reference}
Merge: #{mentioned_mr.to_reference}
Commit: #{mentioned_commit.to_reference}
This reference is a repeat and should only be mentioned once:
Repeat: #{mentioned_issue.to_reference}
These references are cross-referenced:
Issue: #{ext_issue.to_reference(project)}
Merge: #{ext_mr.to_reference(project)}
Commit: #{ext_commit.to_reference(project)}
This is a self-reference and should not be mentioned at all:
Self: #{backref_text}
MSG
end
before do
# Wire the project's repository to return the mentioned commit, and +nil+
# for any unrecognized commits.
allow_any_instance_of(::Repository).to receive(:commit).and_call_original
allow_any_instance_of(::Repository).to receive(:commit).with(mentioned_commit.short_id).and_return(mentioned_commit)
extra_commits.each do |commit|
allow_any_instance_of(::Repository).to receive(:commit).with(commit.short_id).and_return(commit)
end
set_mentionable_text.call(ref_string)
project.team << [author, :developer]
end
end
shared_examples 'a mentionable' do
include_context 'mentionable context'
it 'generates a descriptive back-reference' do
expect(subject.gfm_reference).to eq(backref_text)
end
it "extracts references from its reference property" do
# De-duplicate and omit itself
refs = subject.referenced_mentionables
expect(refs.size).to eq(6)
expect(refs).to include(mentioned_issue)
expect(refs).to include(mentioned_mr)
expect(refs).to include(mentioned_commit)
expect(refs).to include(ext_issue)
expect(refs).to include(ext_mr)
expect(refs).to include(ext_commit)
end
it 'creates cross-reference notes' do
mentioned_objects = [mentioned_issue, mentioned_mr, mentioned_commit,
ext_issue, ext_mr, ext_commit]
mentioned_objects.each do |referenced|
expect(SystemNoteService).to receive(:cross_reference).
with(referenced, subject.local_reference, author)
end
subject.create_cross_references!
end
end
shared_examples 'an editable mentionable' do
include_context 'mentionable context'
it_behaves_like 'a mentionable'
let(:new_issues) do
[create(:issue, project: project), create(:issue, project: ext_proj)]
end
it 'creates new cross-reference notes when the mentionable text is edited' do
subject.save
subject.create_cross_references!
new_text = <<-MSG.strip_heredoc
These references already existed:
Issue: #{mentioned_issue.to_reference}
Commit: #{mentioned_commit.to_reference}
---
This cross-project reference already existed:
Issue: #{ext_issue.to_reference(project)}
---
These two references are introduced in an edit:
Issue: #{new_issues[0].to_reference}
Cross: #{new_issues[1].to_reference(project)}
MSG
# These three objects were already referenced, and should not receive new
# notes
[mentioned_issue, mentioned_commit, ext_issue].each do |oldref|
expect(SystemNoteService).not_to receive(:cross_reference).
with(oldref, any_args)
end
# These two issues are new and should receive reference notes
# In the case of MergeRequests remember that cannot mention commits included in the MergeRequest
new_issues.each do |newref|
expect(SystemNoteService).to receive(:cross_reference).
with(newref, subject.local_reference, author)
end
set_mentionable_text.call(new_text)
subject.create_new_cross_references!(author)
end
end