Add integration tests for CLI functionality (#729)

This currently covers functionality added in #575

tests/integration_tests/modules/test_cli.py

@@ -0,0 +1,45 @@
+"""Integration tests for CLI functionality
+
+These would be for behavior manually invoked by user from the command line
+"""
+
+import pytest
+
+from tests.integration_tests.instances import IntegrationInstance
+
+
+VALID_USER_DATA = """\
+#cloud-config
+runcmd:
+  - echo 'hi' > /var/tmp/test
+"""
+
+INVALID_USER_DATA = """\
+runcmd:
+  - echo 'hi' > /var/tmp/test
+"""
+
+
+@pytest.mark.sru_2020_11
+@pytest.mark.user_data(VALID_USER_DATA)
+def test_valid_userdata(client: IntegrationInstance):
+    """Test `cloud-init devel schema` with valid userdata.
+
+    PR #575
+    """
+    result = client.execute('cloud-init devel schema --system')
+    assert result.ok
+    assert 'Valid cloud-config: system userdata' == result.stdout.strip()
+
+
+@pytest.mark.sru_2020_11
+@pytest.mark.user_data(INVALID_USER_DATA)
+def test_invalid_userdata(client: IntegrationInstance):
+    """Test `cloud-init devel schema` with invalid userdata.
+
+    PR #575
+    """
+    result = client.execute('cloud-init devel schema --system')
+    assert not result.ok
+    assert 'Cloud config schema errors' in result.stderr
+    assert 'needs to begin with "#cloud-config"' in result.stderr