nox: add coverage

Author: Wenzel

checksec/utils.py

@@ -7,7 +7,6 @@
 from pathlib import Path
 
 import lddwrap
-
 # cannot use is_elf because of circular dependency
 import lief
 

noxfile.py

@@ -36,12 +36,23 @@ def test_unit(session):
     args = session.posargs
     session.install("-r", "requirements.txt")
     session.install("pytest==6.0.2", "coverage==5.3")
-    session.run("coverage", "run", "-m", "pytest", "-v", "-k", "unit", *args)
+    session.run("coverage", "run", "--concurrency=multiprocessing", "-m", "pytest", "-v", "-k", "unit", *args)
+    session.run("coverage", "combine")
+    session.run("coverage", "report")
 
 
 @nox.session
 def test_e2e(session):
     args = session.posargs
     session.install(".")
     session.install("pytest==6.0.2", "coverage==5.3")
-    session.run("coverage", "run", "-m", "pytest", "-v", "-k", "e2e", *args)
+    session.run("coverage", "run", "--concurrency=multiprocessing", "-m", "pytest", "-v", "-k", "e2e", *args)
+    session.run("coverage", "combine")
+    session.run("coverage", "report")
+
+
+@nox.session
+def coverage(session):
+    args = session.posargs if session.posargs else ["report"]
+    session.install("coverage==5.3")
+    session.run("coverage", *args)

setup.cfg

@@ -3,3 +3,10 @@ max-line-length=120
 exclude = .git, .nox, venv, build, dist
 # black compatibility
 extend-ignore = E203
+
+[coverage:run]
+# measure branch coverage in addition to statement coverage
+branch = True
+# restrict measurement to avoid .nox/*
+source =
+    checksec