# HG changeset patch
# User Teemu Piippo <teemu@hecknology.net>
# Date 1561239481 -10800
# Node ID 9664583cd1c9bf9a9566e6b2b5b3e38a52dc37f1
# Parent  62d0b5b9d7974b02f6c5bf90f153d140019c406c
added alias tests

diff -r 62d0b5b9d797 -r 9664583cd1c9 tests/aliases.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/aliases.py	Sun Jun 23 00:38:01 2019 +0300
@@ -0,0 +1,42 @@
+from testsuite import problem_type, report_problem
+import linetypes
+
+@problem_type(
+    'alias-not-prefixed-with-equals',
+    severity = 'hold',
+    message = 'description of alias files must start with a "="',
+)
+@problem_type(
+    'alias-with-polygon',
+    severity = 'hold',
+    message = 'alias files must only contain subfile references',
+)
+@problem_type(
+    'alias-bad-colour',
+    severity = 'hold',
+    message = 'alias files must only use colour 16',
+)
+def alias_tests(model):
+    if model.header.valid and 'Alias' in model.header.qualifiers:
+        if not model.header.description.startswith('='):
+            yield report_problem(
+                'alias-not-prefixed-with-equals',
+                bad_object = model.body[0],
+            )
+        for element in model.body:
+            if isinstance(element, linetypes.BasePolygon):
+                yield report_problem(
+                    'alias-with-polygon',
+                    bad_object = element
+                )
+            elif hasattr(element, 'colour') and element.colour.index != 16:
+                yield report_problem(
+                    'alias-bad-colour',
+                    bad_object = element
+                )
+
+manifest = {
+    'tests': [
+        alias_tests
+    ],
+}