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require 'spec_helper'
describe DiscussionOnDiff, model: true do
subject { create(:diff_note_on_merge_request).to_discussion }
describe "#truncated_diff_lines" do
let(:truncated_lines) { subject.truncated_diff_lines }
context "when diff is greater than allowed number of truncated diff lines " do
it "returns fewer lines" do
expect(subject.diff_lines.count).to be > DiffDiscussion::NUMBER_OF_TRUNCATED_DIFF_LINES
expect(truncated_lines.count).to be <= DiffDiscussion::NUMBER_OF_TRUNCATED_DIFF_LINES
end
end
context "when some diff lines are meta" do
it "returns no meta lines" do
expect(subject.diff_lines).to include(be_meta)
expect(truncated_lines).not_to include(be_meta)
end
end
end
describe '#line_code_in_diffs' do
context 'when the discussion is active in the diff' do
let(:diff_refs) { subject.position.diff_refs }
it 'returns the current line code' do
expect(subject.line_code_in_diffs(diff_refs)).to eq(subject.line_code)
end
end
context 'when the discussion was created in the diff' do
let(:diff_refs) { subject.original_position.diff_refs }
it 'returns the original line code' do
expect(subject.line_code_in_diffs(diff_refs)).to eq(subject.original_line_code)
end
end
context 'when the discussion is unrelated to the diff' do
let(:diff_refs) { subject.project.commit(RepoHelpers.sample_commit.id).diff_refs }
it 'returns nil' do
expect(subject.line_code_in_diffs(diff_refs)).to be_nil
end
end
end
end