install pytest-spec and run tests in spec output format

Author: tknerr

roles/testinfra/tasks/main.yml

@@ -2,3 +2,6 @@
 
 - name: Install testinfra at version 5.0.0
   pip: state=present name=testinfra version=5.0.0
+
+- name: Install pytest-spec formatter at version 2.0.0
+  pip: state=present name=pytest-spec version=2.0.0

scripts/update-vm.sh

@@ -68,7 +68,7 @@ verify_vm() {
   big_step "Verifying the VM..."
   cd $REPO_ROOT
   step "run integration tests"
-  py.test -v --color=yes spec/*.py
+  py.test -v --color=yes --spec spec/*.py
 }
 
 big_step() {

spec/test_testinfra.py

@@ -2,4 +2,9 @@
 def test_testinfra_is_installed_at_version_5_0_0_(host):
     cmd = host.run("pip3 show --disable-pip-version-check testinfra")
     assert cmd.rc is 0
-    assert "Name: testinfra\nVersion: 5.0.0" in cmd.stdout
+    assert "Name: testinfra\nVersion: 5.0.0" in cmd.stdout
+
+def test_pytest_spec_is_installed_at_version_2_0_0_(host):
+    cmd = host.run("pip3 show --disable-pip-version-check pytest-spec")
+    assert cmd.rc is 0
+    assert "Name: pytest-spec\nVersion: 2.0.0" in cmd.stdout