setupVar tests passing for debian & centos

test/conftest.py

@@ -0,0 +1,46 @@
+import pytest
+import testinfra
+
+check_output = testinfra.get_backend(
+    "local://"
+).get_module("Command").check_output
+
+@pytest.fixture
+def Pihole(Docker):
+    ''' used to contain some script stubbing, now pretty much an alias '''
+    return Docker
+
+@pytest.fixture
+def Docker(request, args, image, cmd):
+    ''' combine our fixtures into a docker run command and setup finalizer to cleanup '''
+    assert 'docker' in check_output('id'), "Are you in the docker group?"
+    docker_run = "docker run {} {} {}".format(args, image, cmd)
+    docker_id = check_output(docker_run)
+
+    def teardown():
+        check_output("docker rm -f %s", docker_id)
+    request.addfinalizer(teardown)
+
+    docker_container = testinfra.get_backend("docker://" + docker_id)
+    docker_container.id = docker_id
+    return docker_container
+
+@pytest.fixture
+def args(request):
+    ''' -t became required when tput began being used '''
+    return '-t -d'
+
+@pytest.fixture(params=['debian', 'centos'])
+def tag(request):
+    ''' consumed by image to make the test matrix '''
+    return request.param
+
+@pytest.fixture()
+def image(request, tag):
+    ''' built by test_000_build_containers.py '''
+    return 'pytest_pihole:{}'.format(tag)
+
+@pytest.fixture()
+def cmd(request):
+    ''' default to doing nothing by tailing null, but don't exit '''
+    return 'tail -f /dev/null'