Fix tox splitting test dirs, run on PR (#43)

fix coverage data collection/upload

also: run on pull request

Author: samuel-w

.coveragerc

@@ -1,6 +1,6 @@
 [run]
 branch = True
-source = borg
+source = src/borg_import
 omit =
     */borg_import/helpers/testsuite/*
 

.github/workflows/main.yml

@@ -1,6 +1,6 @@
 name: Test
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   lint:

tox.ini

@@ -5,12 +5,10 @@
 envlist = py{35,36,37,38,39},flake8
 
 [testenv]
-# Change dir to avoid import problem for cython code. The directory does
-# not really matter, should be just different from the toplevel dir.
-changedir = {toxworkdir}
+usedevelop = True
 deps =
      -rrequirements.d/development.txt
-commands = py.test -rs --cov=borg_import --cov-config=../.coveragerc --pyargs {posargs:borg_import.helpers.testsuite}
+commands = py.test -rs --cov=borg_import --cov-config=.coveragerc --pyargs {posargs:borg_import.helpers.testsuite}
 # fakeroot -u needs some env vars:
 passenv = *