Tests: Use pytest-cov, and configure in pyproject.toml

Author: amotl

pyproject.toml

@@ -78,6 +78,29 @@ omit = [
 ]
 
 
+[tool.coverage.run]
+branch = false
+omit = [
+  "tests/*",
+]
+source = [ "src" ]
+
+[tool.coverage.report]
+fail_under = 0
+show_missing = true
+exclude_lines = [
+    "# pragma: no cover",
+    "raise NotImplemented",
+]
+omit = [
+    "*/.buildout/eggs/*",
+    "buildout-cache/eggs/*",
+    "eggs/*",
+    "parts/*",
+    "src/crate/client/_pep440.py",
+]
+
+
 [tool.mypy]
 mypy_path = "src"
 packages = [
@@ -95,7 +118,7 @@ non_interactive = true
 
 
 [tool.pytest.ini_options]
-addopts = "-rA --verbosity=3"
+addopts = "-rA --verbosity=3 --cov --cov-report=term-missing --cov-report=xml"
 minversion = "2.0"
 log_level = "DEBUG"
 log_cli_level = "DEBUG"