1 files changed, 136 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/reports/codequality_reports_spec.rb b/spec/lib/gitlab/ci/reports/codequality_reports_spec.rb
new file mode 100644
index 00000000000..44e67259369
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+++ b/spec/lib/gitlab/ci/reports/codequality_reports_spec.rb
@@ -0,0 +1,136 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Ci::Reports::CodequalityReports do
+  let(:codequality_report) { described_class.new }
+  let(:degradation_1) do
+    {
+      "categories": [
+        "Complexity"
+      ],
+      "check_name": "argument_count",
+      "content": {
+        "body": ""
+      },
+      "description": "Method `new_array` has 12 arguments (exceeds 4 allowed). Consider refactoring.",
+      "fingerprint": "15cdb5c53afd42bc22f8ca366a08d547",
+      "location": {
+        "path": "foo.rb",
+        "lines": {
+          "begin": 10,
+          "end": 10
+        }
+      },
+      "other_locations": [],
+      "remediation_points": 900000,
+      "severity": "major",
+      "type": "issue",
+      "engine_name": "structure"
+    }.with_indifferent_access
+  end
+
+  let(:degradation_2) do
+    {
+      "type": "Issue",
+      "check_name": "Rubocop/Metrics/ParameterLists",
+      "description": "Avoid parameter lists longer than 5 parameters. [12/5]",
+      "categories": [
+        "Complexity"
+      ],
+      "remediation_points": 550000,
+      "location": {
+        "path": "foo.rb",
+        "positions": {
+          "begin": {
+            "column": 14,
+            "line": 10
+          },
+          "end": {
+            "column": 39,
+            "line": 10
+          }
+        }
+      },
+      "content": {
+        "body": "This cop checks for methods with too many parameters.\nThe maximum number of parameters is configurable.\nKeyword arguments can optionally be excluded from the total count."
+      },
+      "engine_name": "rubocop",
+      "fingerprint": "ab5f8b935886b942d621399f5a2ca16e",
+      "severity": "minor"
+    }.with_indifferent_access
+  end
+
+  it { expect(codequality_report.degradations).to eq({}) }
+
+  describe '#add_degradation' do
+    context 'when there is a degradation' do
+      before do
+        codequality_report.add_degradation(degradation_1)
+      end
+
+      it 'adds degradation to codequality report' do
+        expect(codequality_report.degradations.keys).to eq([degradation_1[:fingerprint]])
+        expect(codequality_report.degradations.values.size).to eq(1)
+      end
+    end
+
+    context 'when a required property is missing in the degradation' do
+      let(:invalid_degradation) do
+        {
+          "type": "Issue",
+          "check_name": "Rubocop/Metrics/ParameterLists",
+          "description": "Avoid parameter lists longer than 5 parameters. [12/5]",
+          "fingerprint": "ab5f8b935886b942d621399aefkaehfiaehf",
+          "severity": "minor"
+        }.with_indifferent_access
+      end
+
+      it 'sets location as an error' do
+        codequality_report.add_degradation(invalid_degradation)
+
+        expect(codequality_report.error_message).to eq("Invalid degradation format: The property '#/' did not contain a required property of 'location'")
+      end
+    end
+  end
+
+  describe '#set_error_message' do
+    context 'when there is an error' do
+      it 'sets errors' do
+        codequality_report.set_error_message("error")
+
+        expect(codequality_report.error_message).to eq("error")
+      end
+    end
+  end
+
+  describe '#degradations_count' do
+    subject(:degradations_count) { codequality_report.degradations_count }
+
+    context 'when there are many degradations' do
+      before do
+        codequality_report.add_degradation(degradation_1)
+        codequality_report.add_degradation(degradation_2)
+      end
+
+      it 'returns the number of degradations' do
+        expect(degradations_count).to eq(2)
+      end
+    end
+  end
+
+  describe '#all_degradations' do
+    subject(:all_degradations) { codequality_report.all_degradations }
+
+    context 'when there are many degradations' do
+      before do
+        codequality_report.add_degradation(degradation_1)
+        codequality_report.add_degradation(degradation_2)
+      end
+
+      it 'returns all degradations' do
+        expect(all_degradations).to contain_exactly(degradation_1, degradation_2)
+      end
+    end
+  end
+end