1# frozen_string_literal: true
2
3require 'spec_helper'
4
5RSpec.describe MergeRequest::MetricsFinder do
6  let_it_be(:current_user) { create(:user) }
7  let_it_be(:project) { create(:project, :repository) }
8  let_it_be(:merge_request_not_merged) { create(:merge_request, :unique_branches, source_project: project) }
9  let_it_be(:merged_at) { Time.new(2020, 5, 1) }
10  let_it_be(:merge_request_merged) do
11    create(:merge_request, :unique_branches, :merged, source_project: project).tap do |mr|
12      mr.metrics.update!(merged_at: merged_at)
13    end
14  end
15
16  let(:params) do
17    {
18      target_project: project,
19      merged_after: merged_at - 10.days,
20      merged_before: merged_at + 10.days
21    }
22  end
23
24  subject { described_class.new(current_user, params).execute.to_a }
25
26  context 'when target project is missing' do
27    before do
28      params.delete(:target_project)
29    end
30
31    it { is_expected.to be_empty }
32  end
33
34  context 'when the user is not part of the project' do
35    it { is_expected.to be_empty }
36  end
37
38  context 'when user is part of the project' do
39    before do
40      project.add_developer(current_user)
41    end
42
43    it 'returns merge request records' do
44      is_expected.to eq([merge_request_merged.metrics])
45    end
46
47    it 'excludes not merged records' do
48      is_expected.not_to eq([merge_request_not_merged.metrics])
49    end
50
51    context 'when only merged_before is given' do
52      before do
53        params.delete(:merged_after)
54      end
55
56      it { is_expected.to eq([merge_request_merged.metrics]) }
57    end
58
59    context 'when only merged_after is given' do
60      before do
61        params.delete(:merged_before)
62      end
63
64      it { is_expected.to eq([merge_request_merged.metrics]) }
65    end
66
67    context 'when no records matching the date range' do
68      before do
69        params[:merged_before] = merged_at - 1.year
70        params[:merged_after] = merged_at - 2.years
71      end
72
73      it { is_expected.to be_empty }
74    end
75  end
76end
77