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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" } }
def common_mentionable_setup
let(:project) { create :project }
let(:author) { subject.author }
let(:mentioned_issue) { create(:issue, project: project) }
let(:mentioned_mr) { create(:merge_request, :simple, source_project: project) }
let(:mentioned_commit) { project.repository.commit }
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.repository.commit }
# 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
cross = ext_proj.path_with_namespace
<<-MSG.strip_heredoc
These references are new:
Issue: ##{mentioned_issue.iid}
Merge: !#{mentioned_mr.iid}
Commit: #{mentioned_commit.id}
This reference is a repeat and should only be mentioned once:
Repeat: ##{mentioned_issue.iid}
These references are cross-referenced:
Issue: #{cross}##{ext_issue.iid}
Merge: #{cross}!#{ext_mr.iid}
Commit: #{cross}@#{ext_commit.short_id}
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.
commitmap = {
mentioned_commit.id => mentioned_commit
}
extra_commits.each { |c| commitmap[c.short_id] = c }
allow(project.repository).to receive(:commit) { |sha| commitmap[sha] }
set_mentionable_text.call(ref_string)
end
end
shared_examples 'a mentionable' do
common_mentionable_setup
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.references(project)
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(Note).to receive(:create_cross_reference_note).
with(referenced, subject.local_reference, author)
end
subject.create_cross_references!(project, author)
end
it 'detects existing cross-references' do
Note.create_cross_reference_note(mentioned_issue, subject.local_reference, author)
expect(subject).to have_mentioned(mentioned_issue)
expect(subject).not_to have_mentioned(mentioned_mr)
end
end
shared_examples 'an editable mentionable' do
common_mentionable_setup
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
cross = ext_proj.path_with_namespace
new_text = <<-MSG
These references already existed:
Issue: ##{mentioned_issue.iid}
Commit: #{mentioned_commit.id}
This cross-project reference already existed:
Issue: #{cross}##{ext_issue.iid}
These two references are introduced in an edit:
Issue: ##{new_issues[0].iid}
Cross: #{cross}##{new_issues[1].iid}
MSG
# These three objects were already referenced, and should not receive new
# notes
[mentioned_issue, mentioned_commit, ext_issue].each do |oldref|
expect(Note).not_to receive(:create_cross_reference_note).
with(oldref, any_args)
end
# These two issues are new and should receive reference notes
new_issues.each do |newref|
expect(Note).to receive(:create_cross_reference_note).
with(newref, subject.local_reference, author)
end
set_mentionable_text.call(new_text)
subject.notice_added_references(project, author)
end
end
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