Extend coverage config

.github/workflows/checks.yml

@@ -69,8 +69,8 @@ jobs:
 
     - name: Upload results to coveralls
       run: |
-        pip install coveralls
-        coveralls --service=github
+        poetry run pip install coveralls
+        poetry run coveralls --service=github
 
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}

.pre-commit-config.yaml

@@ -78,9 +78,7 @@ repos:
       - id: tests
         name: run tests
         entry:
-          inv python.run
-          " -m coverage run --source import_export_extensions
-          --omit import_export_extensions/migrations -m pytest -v"
+          inv python.run " -m coverage run -m pytest -v"
         language: system
         pass_filenames: false
         types: [ python ]

import_export_extensions/widgets.py

@@ -169,13 +169,13 @@ def clean(
 
         """
         if not value:
-            return []
+            return []  # pragma: no cover
 
         # if value is one integer number
         value = str(value)
 
         # in some cases if click `enter` values `\n\r` inserted
-        if self.instance_separator == "\n":
+        if self.instance_separator == "\n":  # pragma: no cover
             value = value.replace("\r", "")
 
         raw_instances = utils.clean_sequence_of_string_values(
@@ -287,7 +287,7 @@ def __init__(self, filename: str):
     def render(self, value: Model, *args, **kwargs) -> typing.Optional[str]:
         """Convert DB value to URL to file."""
         if not value:
-            return None
+            return None  # pragma: no cover
 
         if self._get_default_storage() == DEFAULT_SYSTEM_STORAGE:
             return f"http://localhost:8000{value.url}"
@@ -297,7 +297,7 @@ def render(self, value: Model, *args, **kwargs) -> typing.Optional[str]:
     def clean(self, value: str, *args, **kwargs) -> typing.Optional[str]:
         """Get the file and check for exists."""
         if not value:
-            return None
+            return None  # pragma: no cover
 
         internal_url = utils.url_to_internal_value(urlparse(value).path)
 

pyproject.toml

@@ -188,3 +188,27 @@ python_files = [
     "test_*.py",
     "*_tests.py",
 ]
+
+[tool.coverage.run]
+source = [
+    "import_export_extensions",
+]
+omit = [
+    "import_export_extensions/migrations",
+    "*/__init__.py",
+]
+
+[tool.coverage.report]
+exclude_lines = [
+    "def __repr__",
+    "def __str__",
+    "pass",
+    "if self.debug:",
+    "if settings.DEBUG",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if __name__ == .__main__.:",
+    "if TYPE_CHECKING:",
+    "class .*\\bProtocol\\):",
+    "@(abc\\.)?abstractmethod",
+]