feat: migrate from Forgejo to GitLab CI with test reporting

- Convert Forgejo workflow to GitLab CI/CD (.gitlab-ci.yml) - Add JUnit XML and coverage reporting
with pytest-cov - Configure caching and artifacts for better CI performance - Fix pytest.ini
configuration and enhance .coveragerc - Support GitLab v18.1.1 with comprehensive test visualization

.coveragerc

@@ -1,8 +1,12 @@
 [run]
 source = doi2dataset
-omit = 
+omit =
     */tests/*
+    */test_*
     */docs/*
+    */__pycache__/*
+    */venv/*
+    */.venv/*
     setup.py
     conf.py
     __init__.py
@@ -11,13 +15,22 @@ omit =
 exclude_lines =
     pragma: no cover
     def __repr__
+    def __str__
     if self.debug:
     raise NotImplementedError
+    raise AssertionError
     if __name__ == .__main__.:
+    if TYPE_CHECKING:
+    @abstractmethod
     pass
     raise ImportError
     except ImportError
-    def __str__
+
+show_missing = true
+precision = 2
 
 [html]
-directory = htmlcov
+directory = htmlcov
+
+[xml]
+output = coverage.xml

.gitignore

@@ -59,6 +59,7 @@ htmlcov/
 .cache
 nosetests.xml
 coverage.xml
+junit.xml
 *.cover
 *.py,cover
 .hypothesis/

.gitlab-ci.yml

@@ -0,0 +1,36 @@
+# GitLab CI/CD pipeline for doi2dataset
+# Compatible with GitLab v18.1.1
+
+stages:
+  - test
+
+variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
+
+cache:
+  paths:
+    - .cache/pip/
+    - .venv/
+
+test:
+  stage: test
+  image: python:3
+  before_script:
+    - python -m pip install --upgrade pip
+    - pip install -r requirements.txt
+    - pip install -r requirements-dev.txt
+  script:
+    - pytest
+  artifacts:
+    reports:
+      junit: junit.xml
+      coverage_report:
+        coverage_format: cobertura
+        path: coverage.xml
+    paths:
+      - htmlcov/
+    expire_in: 1 week
+  coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
+  only:
+    - branches
+    - merge_requests

pytest.ini

@@ -0,0 +1,15 @@
+[pytest]
+addopts =
+    --cov=doi2dataset
+    --cov-report=html
+    --cov-report=xml
+    --cov-report=term-missing
+    --junitxml=junit.xml
+    --verbose
+    --tb=short
+
+testpaths = tests
+
+python_files = test_*.py *_test.py
+python_functions = test_*
+python_classes = Test*

requirements-dev.txt

@@ -1,3 +1,4 @@
 pytest>=8.3.5,<9.0
 pytest-mock>=3.14.0,<4.0
+pytest-cov>=6.0.0,<7.0
 ruff>=0.11.1,<0.20

setup.py

@@ -25,7 +25,8 @@ setup(
         ],
         "dev": [
             "pytest>=8.3.5,<9.0",
-            "pytest-mock>=3.14.0,4.0",
+            "pytest-mock>=3.14.0,<4.0",
+            "pytest-cov>=6.0.0,<7.0",
             "ruff>=0.11.1,<0.20"
         ]
     },