1 files changed, 138 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/parsers/codequality/code_climate_spec.rb b/spec/lib/gitlab/ci/parsers/codequality/code_climate_spec.rb
new file mode 100644
index 00000000000..c6b8cf2a985
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+++ b/spec/lib/gitlab/ci/parsers/codequality/code_climate_spec.rb
@@ -0,0 +1,138 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Ci::Parsers::Codequality::CodeClimate do
+  describe '#parse!' do
+    subject(:parse) { described_class.new.parse!(code_climate, codequality_report) }
+
+    let(:codequality_report) { Gitlab::Ci::Reports::CodequalityReports.new }
+    let(:code_climate) 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"
+        }
+      ].to_json
+    end
+
+    context "when data is code_climate style JSON" do
+      context "when there are no degradations" do
+        let(:code_climate) { [].to_json }
+
+        it "returns a codequality report" do
+          expect { parse }.not_to raise_error
+
+          expect(codequality_report.degradations_count).to eq(0)
+        end
+      end
+
+      context "when there are degradations" do
+        it "returns a codequality report" do
+          expect { parse }.not_to raise_error
+
+          expect(codequality_report.degradations_count).to eq(1)
+        end
+      end
+    end
+
+    context "when data is not a valid JSON string" do
+      let(:code_climate) 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"
+          }
+        ]
+      end
+
+      it "sets error_message" do
+        expect { parse }.not_to raise_error
+
+        expect(codequality_report.error_message).to include('JSON parsing failed')
+      end
+    end
+
+    context 'when degradations contain an invalid one' do
+      let(:code_climate) do
+        [
+          {
+          "type": "Issue",
+          "check_name": "Rubocop/Metrics/ParameterLists",
+          "description": "Avoid parameter lists longer than 5 parameters. [12/5]",
+          "fingerprint": "ab5f8b935886b942d621399aefkaehfiaehf",
+          "severity": "minor"
+          },
+          {
+            "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"
+          }
+        ].to_json
+      end
+
+      it 'stops parsing the report' do
+        expect { parse }.not_to raise_error
+
+        expect(codequality_report.degradations_count).to eq(0)
+        expect(codequality_report.error_message).to eq("Invalid degradation format: The property '#/' did not contain a required property of 'location'")
+      end
+    end
+  end
+end