1 files changed, 77 insertions, 0 deletions
diff --git a/spec/models/ci/daily_build_group_report_result_spec.rb b/spec/models/ci/daily_build_group_report_result_spec.rb
index 326366666cb..f16396d62c9 100644
--- a/spec/models/ci/daily_build_group_report_result_spec.rb
+++ b/spec/models/ci/daily_build_group_report_result_spec.rb
@@ -81,4 +81,81 @@ RSpec.describe Ci::DailyBuildGroupReportResult do
       end
     end
   end
+
+  describe 'scopes' do
+    let_it_be(:project) { create(:project) }
+    let(:recent_build_group_report_result) { create(:ci_daily_build_group_report_result, project: project) }
+    let(:old_build_group_report_result) do
+      create(:ci_daily_build_group_report_result, date: 1.week.ago, project: project)
+    end
+
+    describe '.by_projects' do
+      subject { described_class.by_projects([project.id]) }
+
+      it 'returns records by projects' do
+        expect(subject).to contain_exactly(recent_build_group_report_result, old_build_group_report_result)
+      end
+    end
+
+    describe '.with_coverage' do
+      subject { described_class.with_coverage }
+
+      it 'returns data with coverage' do
+        expect(subject).to contain_exactly(recent_build_group_report_result, old_build_group_report_result)
+      end
+    end
+
+    describe '.with_default_branch' do
+      subject(:coverages) { described_class.with_default_branch }
+
+      context 'when coverage for the default branch exist' do
+        let!(:recent_build_group_report_result) { create(:ci_daily_build_group_report_result, project: project) }
+        let!(:coverage_feature_branch) { create(:ci_daily_build_group_report_result, :on_feature_branch, project: project) }
+
+        it 'returns coverage with the default branch' do
+          expect(coverages).to contain_exactly(recent_build_group_report_result)
+        end
+      end
+
+      context 'when coverage for the default branch does not exist' do
+        it 'returns an empty collection' do
+          expect(coverages).to be_empty
+        end
+      end
+    end
+
+    describe '.by_date' do
+      subject(:coverages) { described_class.by_date(start_date) }
+
+      let!(:coverage_1) { create(:ci_daily_build_group_report_result, date: 1.week.ago) }
+
+      context 'when project has several coverage' do
+        let!(:coverage_2) { create(:ci_daily_build_group_report_result, date: 2.weeks.ago) }
+        let(:start_date) { 1.week.ago.to_date.to_s }
+
+        it 'returns the coverage from the start_date' do
+          expect(coverages).to contain_exactly(coverage_1)
+        end
+      end
+
+      context 'when start_date is over 90 days' do
+        let!(:coverage_2) { create(:ci_daily_build_group_report_result, date: 90.days.ago) }
+        let!(:coverage_3) { create(:ci_daily_build_group_report_result, date: 91.days.ago) }
+        let(:start_date) { 1.year.ago.to_date.to_s }
+
+        it 'returns the coverage in the last 90 days' do
+          expect(coverages).to contain_exactly(coverage_1, coverage_2)
+        end
+      end
+
+      context 'when start_date is not a string' do
+        let!(:coverage_2) { create(:ci_daily_build_group_report_result, date: 90.days.ago) }
+        let(:start_date) { 1.week.ago }
+
+        it 'returns the coverage in the last 90 days' do
+          expect(coverages).to contain_exactly(coverage_1, coverage_2)
+        end
+      end
+    end
+  end
 end