1 files changed, 37 insertions, 0 deletions
diff --git a/tests/deckard/ci/junit-compare.py b/tests/deckard/ci/junit-compare.py
new file mode 100755
index 0000000..54ca71a
--- /dev/null
+++ b/tests/deckard/ci/junit-compare.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python3
+
+import sys
+
+import xml.etree.ElementTree as xml
+
+
+def parse_junit_xml(filename):
+    """
+    Transform junit XML file into set of tuples:
+    (test description, file name, test result)
+    """
+    results = set()
+    root = xml.parse(filename).getroot()
+    for case in root:
+        if case.find("failure") is not None:  # Because empty XML elements are falsey
+            results.add((case.get("name"), case.get("name").split("'")[1], "FAILED"))
+        elif case.find("skipped") is not None:
+            results.add((case.get("name"), case.get("name").split("'")[1], "SKIPPED"))
+        else:
+            results.add((case.get("name"), case.get("name").split("'")[1], "PASSED"))
+
+    return results
+
+
+new = sys.argv[1]
+old = sys.argv[2]
+modified_tests = [line.strip() for line in open(sys.argv[3]).readlines()]
+
+test_diffs = parse_junit_xml(old) ^ parse_junit_xml(new)
+errorneous_rpls = [diff[1] for diff in test_diffs
+                   if diff[1] not in modified_tests]
+if errorneous_rpls:
+    print('FAIL! Following tests changed their result without test modification:')
+    for rpl in sorted(set(errorneous_rpls)):
+        print(rpl)
+    sys.exit(1)