1 files changed, 33 insertions, 0 deletions
diff --git a/tests/integration_tests/modules/test_jinja_templating.py b/tests/integration_tests/modules/test_jinja_templating.py
new file mode 100644
index 00000000..7788c6f0
--- /dev/null
+++ b/tests/integration_tests/modules/test_jinja_templating.py
@@ -0,0 +1,33 @@
+# This file is part of cloud-init. See LICENSE file for license information.
+import pytest
+
+from tests.integration_tests.instances import IntegrationInstance
+from tests.integration_tests.util import verify_ordered_items_in_text
+
+USER_DATA = """\
+## template: jinja
+#cloud-config
+runcmd:
+  - echo {{v1.local_hostname}} > /var/tmp/runcmd_output
+  - echo {{merged_cfg._doc}} >> /var/tmp/runcmd_output
+  - echo {{v1['local-hostname']}} >> /var/tmp/runcmd_output
+"""
+
+
+@pytest.mark.user_data(USER_DATA)
+def test_runcmd_with_variable_substitution(client: IntegrationInstance):
+    """Test jinja substitution.
+
+    Ensure underscore-delimited aliases exist for hyphenated key and
+    we can also substitute variables from instance-data-sensitive
+    LP: #1931392.
+    """
+    hostname = client.execute("hostname").stdout.strip()
+    expected = [
+        hostname,
+        "Merged cloud-init system config from /etc/cloud/cloud.cfg and "
+        "/etc/cloud/cloud.cfg.d/",
+        hostname,
+    ]
+    output = client.read_from_file("/var/tmp/runcmd_output")
+    verify_ordered_items_in_text(expected, output)