Harden ci (#109)

* Separate coverage to avoid INTERNALERROR> coverage.misc.CoverageException: Couldn't use data file

* Freez requirements to avoid surprises in the CI.

* Drop this fucker.

* Newline at end of file.

* Update tox.ini

Co-authored-by: Antoine <43954001+awecx@users.noreply.github.com>

Co-authored-by: Antoine <43954001+awecx@users.noreply.github.com>

requirements-dev.in

@@ -0,0 +1,7 @@
+pytest
+coverage
+polib
+tox
+flake8
+mypy
+black

requirements-dev.txt

@@ -1,9 +1,87 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile requirements-dev.in
+#
+appdirs==1.4.4
+    # via
+    #   black
+    #   virtualenv
+attrs==20.3.0
+    # via pytest
+black==20.8b1
+    # via -r requirements-dev.in
+click==7.1.2
+    # via black
+coverage==5.3.1
+    # via pytest-cov
+distlib==0.3.1
+    # via virtualenv
+filelock==3.0.12
+    # via
+    #   tox
+    #   virtualenv
+flake8==3.8.4
+    # via -r requirements-dev.in
+iniconfig==1.1.1
+    # via pytest
+mccabe==0.6.1
+    # via flake8
+mypy-extensions==0.4.3
+    # via
+    #   black
+    #   mypy
+mypy==0.790
+    # via -r requirements-dev.in
+packaging==20.8
+    # via
+    #   pytest
+    #   tox
+pathspec==0.8.1
+    # via black
+pluggy==0.13.1
+    # via
+    #   pytest
+    #   tox
 polib==1.1.0
-requests==2.25.0
-simple-term-menu==0.10.4
-gitignore_parser==0.0.8
-tox
-virtualenv
-flake8
-mypy
-black
+    # via -r requirements-dev.in
+py==1.10.0
+    # via
+    #   pytest
+    #   tox
+pycodestyle==2.6.0
+    # via flake8
+pyflakes==2.2.0
+    # via flake8
+pyparsing==2.4.7
+    # via packaging
+pytest-cov==2.10.1
+    # via -r requirements-dev.in
+pytest==6.2.1
+    # via
+    #   -r requirements-dev.in
+    #   pytest-cov
+regex==2020.11.13
+    # via black
+six==1.15.0
+    # via
+    #   tox
+    #   virtualenv
+toml==0.10.2
+    # via
+    #   black
+    #   pytest
+    #   tox
+tox==3.20.1
+    # via -r requirements-dev.in
+typed-ast==1.4.2
+    # via
+    #   black
+    #   mypy
+typing-extensions==3.7.4.3
+    # via
+    #   black
+    #   mypy
+virtualenv==20.2.2
+    # via tox

tox.ini

@@ -1,26 +1,43 @@
 [flake8]
 extend-ignore = E501  # line length handled by black.
 
+[coverage:run]
+branch = true
+parallel = true
+omit =
+  .tox/*
+
+[coverage:report]
+skip_covered = True
+show_missing = True
+
 [tox]
-envlist = py36, py37, py38, py39, flake8, mypy, black
+envlist = py36, py37, py38, py39, flake8, mypy, black, coverage
 skip_missing_interpreters = True
 
 [testenv]
-deps =
-    pytest
-    pytest-cov
+deps = -r requirements-dev.txt
+commands = coverage run -m pytest
+setenv =
+  COVERAGE_FILE={toxworkdir}/.coverage.{envname}
+
+[testenv:coverage]
+depends = py36, py37, py38, py39
+parallel_show_output = True
+skip_install = True
+setenv = COVERAGE_FILE={toxworkdir}/.coverage
 commands =
-    pip install -e .
-    pytest --cov=potodo tests/
+  coverage combine
+  coverage report --fail-under 60
 
 [testenv:flake8]
-deps = flake8
+skip_install = True
 commands = flake8 tests/ potodo/
 
 [testenv:black]
-deps = black
+skip_install = True
 commands = black --check --diff tests/ potodo/
 
 [testenv:mypy]
-deps = mypy
+skip_install = True
 commands = mypy --ignore-missing-imports --strict potodo/