Enable pytest to run in parallel (#1568)

- add a tox target for running unit tests in parallel
- add missing mocks
- make parametrized gzip bytes deterministic

1 files changed, 9 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 1743b5e6..495b8256 100644
--- a/tox.ini
+++ b/tox.ini
@@ -135,6 +135,14 @@ commands = {envpython} -m pytest \
             -m "not hypothesis_slow" \
             {posargs:--cov=cloudinit --cov-branch tests/unittests}
 
+# experimental
+[testenv:py3-fast]
+deps =
+    -r{toxinidir}/test-requirements.txt
+    pytest-xdist
+commands = {envpython} -m pytest -n auto -m "not hypothesis_slow" -m "not serial"\
+            {posargs:tests/unittests}
+
 [testenv:hypothesis-slow]
 deps =
     hypothesis==6.31.6
@@ -300,6 +308,7 @@ markers =
     not_bionic: test cannot run on the bionic release
     oci: test will only run on OCI platform
     openstack: test will only run on openstack platform
+    serial: tests that do not work in parallel, skipped with py3-fast
     ubuntu: this test should run on Ubuntu
     unstable: skip this test because it is flakey
     user_data: the user data to be passed to the test instance