1 files changed, 60 insertions, 0 deletions
diff --git a/tests/plugins/bst2.py b/tests/plugins/bst2.py
new file mode 100644
index 000000000..ca7529dfc
--- /dev/null
+++ b/tests/plugins/bst2.py
@@ -0,0 +1,60 @@
+# Pylint doesn't play well with fixtures and dependency injection from pytest
+# pylint: disable=redefined-outer-name
+
+#
+# This test case tests the failure modes of loading a plugin
+# after it has already been discovered via it's origin.
+#
+
+import os
+import pytest
+
+from buildstream._exceptions import ErrorDomain
+from tests.testutils import cli  # pylint: disable=unused-import
+from buildstream import _yaml
+
+
+DATA_DIR = os.path.join(os.path.dirname(os.path.realpath(__file__)), "bst2")
+
+
+# Sets up the element.bst file so that it requires a source
+# or element plugin.
+#
+def setup_element(project_path, plugin_type, plugin_name):
+    element_path = os.path.join(project_path, "element.bst")
+
+    if plugin_type == "elements":
+        element = {"kind": plugin_name}
+    else:
+        element = {"kind": "manual", "sources": [{"kind": plugin_name}]}
+
+    _yaml.dump(element, element_path)
+
+
+####################################################
+#                     Tests                        #
+####################################################
+@pytest.mark.datafiles(DATA_DIR)
+@pytest.mark.parametrize("plugin_type", ["elements", "sources"])
+@pytest.mark.parametrize("plugin", ["bst2", "malformed"])
+def test_plugin_bst2(cli, datafiles, plugin_type, plugin):
+    project = str(datafiles)
+    project_conf_path = os.path.join(project, "project.conf")
+    project_conf = {
+        "name": "test",
+        "plugins": [
+            {
+                "origin": "local",
+                "path": plugin_type,
+                plugin_type: {
+                    plugin: 0
+                }
+            }
+        ]
+    }
+    _yaml.dump(project_conf, project_conf_path)
+
+    setup_element(project, plugin_type, plugin)
+
+    result = cli.run(project=project, args=["show", "element.bst"])
+    result.assert_main_error(ErrorDomain.PLUGIN, "plugin-version-mismatch")