1 files changed, 66 insertions, 0 deletions
diff --git a/test/tools/dump_coveralls.py b/test/tools/dump_coveralls.py
new file mode 100755
index 0000000..a96dc92
--- /dev/null
+++ b/test/tools/dump_coveralls.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+# Small tool to dump JSON payload for coveralls.io API
+
+import json
+from operator import itemgetter
+import os
+import sys
+
+
+def warn(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
+
+
+def dump_file(json_file):
+    """Dumps coveralls.io API payload stored in json_file
+       Returns: 0 if successful, 1 otherwise
+    """
+    try:
+        with open(json_file, encoding='utf8') as f:
+            data = json.load(f)
+    except OSError as err:
+        warn(err)
+        return os.EX_DATAERR
+    except json.decoder.JSONDecodeError:
+        warn("{}: json parsing error".format(json_file))
+        return 1
+
+    if 'source_files' not in data:
+        warn("{}: no source_files, not a coveralls.io payload?".format(json_file))
+        return 1
+
+    print("{} ({} source files)".format(json_file, len(data['source_files'])))
+
+    for src_file in sorted(data['source_files'], key=itemgetter('name')):
+        covered_lines = not_skipped_lines = 0
+        for cnt in src_file['coverage']:
+            if cnt is None:
+                continue
+            not_skipped_lines += 1
+            if cnt > 0:
+                covered_lines += 1
+        if not_skipped_lines > 0:
+            coverage = "{:.0%}".format(covered_lines / not_skipped_lines)
+        else:
+            coverage = 'N/A'
+
+        print("\t{:>3} {}".format(coverage, src_file['name']))
+
+    return 0
+
+
+def main():
+    if (len(sys.argv) < 2):
+        warn("usage: {} file.json ...".format(sys.argv[0]))
+        return os.EX_USAGE
+
+    exit_status = 0
+    for f in sys.argv[1:]:
+        exit_status += dump_file(f)
+
+    return exit_status
+
+
+if __name__ == '__main__':
+    sys.exit(main())