From c438a14b62433db488b5c90854a4a3934adf3305 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 9 May 2012 07:45:17 +0200
Subject: [PATCH] Add hb-diff-stat

---
 test/shaping/Makefile.am      |  1 +
 test/shaping/hb-diff-stat     |  5 +++++
 test/shaping/hb_test_tools.py | 22 ++++++++++++++++++++--
 3 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100755 test/shaping/hb-diff-stat

diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index f216c5d..81c9991 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -13,6 +13,7 @@ EXTRA_DIST += \
 	hb-diff \
 	hb-diff-colorize \
 	hb-diff-filter-failures \
+	hb-diff-stat \
 	hb-manifest-read \
 	hb-manifest-update \
 	hb-unicode-decode \
diff --git a/test/shaping/hb-diff-stat b/test/shaping/hb-diff-stat
new file mode 100755
index 0000000..81626e1
--- /dev/null
+++ b/test/shaping/hb-diff-stat
@@ -0,0 +1,5 @@
+#!/usr/bin/python
+
+from hb_test_tools import *
+
+UtilMains.process_multiple_files (DiffSinks.print_stat)
diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index 17181ac..70a9ce1 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -151,9 +151,23 @@ class DiffFilters:
 	@staticmethod
 	def filter_failures (f):
 		for lines in DiffHelpers.separate_test_cases (f):
-			if any (l[0] != ' ' for l in lines):
+			if not DiffHelpers.test_passed (lines):
 				for l in lines: yield l
 
+class DiffSinks:
+
+	@staticmethod
+	def print_stat (f):
+		passed = 0
+		failed = 0
+		for lines in DiffHelpers.separate_test_cases (f):
+			if DiffHelpers.test_passed (lines):
+				passed += 1
+			else:
+				failed += 1
+		total = passed + failed
+		print "%d out of %d tests passed.  %d failed (%g%%)" % (passed, total, failed, 100. * failed / total)
+
 class DiffHelpers:
 
 	@staticmethod
@@ -175,10 +189,14 @@ class DiffHelpers:
 			if acc and iden != l_iden:
 				yield acc
 				acc = []
-				iden = l_iden
+			iden = l_iden
 			acc.append (l)
 		if acc: yield acc
 
+	@staticmethod
+	def test_passed (lines):
+		return all (l[0] == ' ' for l in lines)
+
 
 class FilterHelpers:
 
-- 
2.7.4