[libgxps] regtest: Update references also for tests that no longer crash

[Carlos Garcia Campos <carlosgc src gnome org>]

commit da79d9106d706aeea01db3fb1f32c27e147ba7d4
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Tue Jun 23 19:05:50 2015 +0200

    regtest: Update references also for tests that no longer crash
    
    We are currently updating the refs only when we have checksums to
    compare, but if a test used to crash there's no md5 file in refs.

 regtest/Test.py    |   24 ++++++++++++++++++++++++
 regtest/TestRun.py |    2 ++
 2 files changed, 26 insertions(+), 0 deletions(-)
---
diff --git a/regtest/Test.py b/regtest/Test.py
index c442ddb..2e42215 100644
--- a/regtest/Test.py
+++ b/regtest/Test.py
@@ -118,6 +118,30 @@ class Test:
 
         return retval
 
+    def update_results(self, refs_path, out_path):
+        if not self.has_md5(refs_path):
+            path = os.path.join(refs_path, 'md5')
+            md5_file = open(path, 'w')
+
+            for entry in sorted(os.listdir(out_path)):
+                if not self.__should_have_checksum(entry):
+                    continue
+                result_path = os.path.join(out_path, entry)
+                ref_path = os.path.join(refs_path, entry)
+                md5_file.write("%s %s\n" % (self.__md5sum(result_path), ref_path))
+                shutil.copyfile(result_path, ref_path)
+
+            md5_file.close()
+
+        for ref in ('crashed', 'failed', 'stderr'):
+            result_path = os.path.join(out_path, ref)
+            ref_path = os.path.join(refs_path, ref)
+
+            if os.path.exists(result_path):
+                shutil.copyfile(result_path, ref_path)
+            elif os.path.exists(ref_path):
+                os.remove(ref_path)
+
     def get_ref_names(self, refs_path):
         retval = []
         md5_path = os.path.join(refs_path, 'md5')
diff --git a/regtest/TestRun.py b/regtest/TestRun.py
index c1f24e6..8362f56 100644
--- a/regtest/TestRun.py
+++ b/regtest/TestRun.py
@@ -77,6 +77,8 @@ class TestRun:
         test_passed = False
         if ref_has_md5 and test_has_md5:
             test_passed = self._test.compare_checksums(refs_path, test_path, not self.config.keep_results, 
self.config.create_diffs, self.config.update_refs)
+        elif self.config.update_refs:
+            self._test.update_results(refs_path, test_path)
 
         with self._lock:
             self._n_tests += 1