Switch to use stestr instead of os-testr

This commit switches to use stestr instead of os-testr. It should be
better to reduce the test runner complexity.

Change-Id: Ia16ad5ed6d9ed7be9dc6902f875b0144b24a938a

.gitignore

@@ -30,6 +30,7 @@ cover/
 .tox
 nosetests.xml
 .testrepository
+.stestr
 .venv
 
 # Translations

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=coverage2sql/tests
+top_dir=./

.testr.conf

@@ -1,7 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
-             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
-             ${PYTHON:-python} -m subunit.run discover -t ./ . $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list

test-requirements.txt

@@ -14,7 +14,7 @@ testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 PyMySQL>=0.7.6 # MIT License
 psycopg2>=2.5 # LGPL/ZPL
-os-testr>=0.8.0 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 reno>=1.8.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 six>=1.9.0 # MIT

tox.ini

@@ -12,7 +12,7 @@ deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands =
     find . -type f -name "*.pyc" -delete
-    ostestr {posargs}
+    stestr run {posargs}
 
 [testenv:pep8]
 sitepackages = False
@@ -23,7 +23,18 @@ commands =
 commands = {posargs}
 
 [testenv:cover]
-commands = python setup.py test --coverage --testr-args='{posargs}'
+setenv =
+    {[testenv]setenv}
+    PYTHON=coverage run --source coverage2sql --parallel-mode
+commands =
+    coverage erase
+    find . -type f -name "*.pyc" -delete
+    stestr --test-path ./coverage2sql/tests run {posargs}
+    coverage combine
+    coverage html -d cover
+    coverage xml -o cover/coverage.xml
+    coverage report
+
 
 [testenv:docs]
 commands = python setup.py build_sphinx