1 files changed, 38 insertions, 0 deletions
diff --git a/tests/plugins/deprecationwarnings.py b/tests/plugins/deprecationwarnings.py
new file mode 100644
index 000000000..a4da3ea72
--- /dev/null
+++ b/tests/plugins/deprecationwarnings.py
@@ -0,0 +1,38 @@
+# Pylint doesn't play well with fixtures and dependency injection from pytest
+# pylint: disable=redefined-outer-name
+
+import os
+
+import pytest
+
+from buildstream.testing import cli  # pylint: disable=unused-import
+
+
+DATA_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "deprecationwarnings")
+
+_DEPRECATION_MESSAGE = "Here is some detail."
+_DEPRECATION_WARNING = "Using deprecated plugin deprecated_plugin: {}".format(_DEPRECATION_MESSAGE)
+
+
+@pytest.mark.datafiles(DATA_DIR)
+def test_deprecation_warning_present(cli, datafiles):
+    project = str(datafiles)
+    result = cli.run(project=project, args=["show", "deprecated.bst"])
+    result.assert_success()
+    assert _DEPRECATION_WARNING in result.stderr
+
+
+@pytest.mark.datafiles(DATA_DIR)
+def test_suppress_deprecation_warning(cli, datafiles):
+    project = str(datafiles)
+    cli.run(project=project, args=["show", "manual.bst"])
+
+    element_overrides = "elements:\n" "  deprecated_plugin:\n" "    suppress-deprecation-warnings : True\n"
+
+    project_conf = os.path.join(project, "project.conf")
+    with open(project_conf, "a") as f:
+        f.write(element_overrides)
+
+    result = cli.run(project=project, args=["show", "deprecated.bst"])
+    result.assert_success()
+    assert _DEPRECATION_WARNING not in result.stderr