Add tests

Author: titouanmathis

test/__stubs__/.gitlab-ci.fail.yml

@@ -0,0 +1,11 @@
+.ref:
+  script:
+    - npm run lint
+
+prettier:
+  script:
+    - !reference [.ref, script]
+  artifacts:
+    reports:
+      codequalit: gl-codequality.json
+

test/utils/get-output-path.spec.js

@@ -11,4 +11,16 @@ describe('The getPrettierFileInfos function', () => {
       resolve(join(import.meta.dirname, '../__stubs__/gl-codequality.json')),
     );
   });
+
+  it('should throw an error if it can not find the report file path', () => {
+    process.env.CI_PROJECT_DIR = resolve(join(import.meta.dirname, '../__stubs__/'));
+    process.env.CI_JOB_NAME = 'prettier';
+    process.env.CI_CONFIG_PATH = '.gitlab-ci.fail.yml';
+    expect(getOutputPath).toThrow();
+  });
+
+  it('should throw an error if it can not find a .gitlab-ci.yml file', () => {
+    process.env.CI_PROJECT_DIR = '/tmp';
+    expect(getOutputPath).toThrow();
+  });
 });