From 048cdd4665efafde2902cb72376f2ca497254246 Mon Sep 17 00:00:00 2001
From: Johan Herland <johan@herland.net>
Date: Sat, 13 Feb 2010 22:28:22 +0100
Subject: t3305: Verify that adding many notes with git-notes triggers
 increased fanout

Add a test verifying that the notes code automatically restructures the
notes tree into a deeper fanout level, when many notes are added with
"git notes".

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t3305-notes-fanout.sh b/t/t3305-notes-fanout.sh
new file mode 100755
index 0000000..823b0ff
--- /dev/null
+++ b/t/t3305-notes-fanout.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+test_description='Test that adding many notes triggers automatic fanout restructuring'
+
+. ./test-lib.sh
+
+test_expect_success 'creating many notes with git-notes' '
+	num_notes=300 &&
+	i=0 &&
+	while test $i -lt $num_notes
+	do
+		i=$(($i + 1)) &&
+		test_tick &&
+		echo "file for commit #$i" > file &&
+		git add file &&
+		git commit -q -m "commit #$i" &&
+		git notes edit -m "note #$i" || return 1
+	done
+'
+
+test_expect_success 'many notes created correctly with git-notes' '
+	git log | grep "^    " > output &&
+	i=300 &&
+	while test $i -gt 0
+	do
+		echo "    commit #$i" &&
+		echo "    note #$i" &&
+		i=$(($i - 1));
+	done > expect &&
+	test_cmp expect output
+'
+
+test_expect_success 'many notes created with git-notes triggers fanout' '
+	# Expect entire notes tree to have a fanout == 1
+	git ls-tree -r --name-only refs/notes/commits |
+	while read path
+	do
+		case "$path" in
+		??/??????????????????????????????????????)
+			: true
+			;;
+		*)
+			echo "Invalid path \"$path\"" &&
+			return 1
+			;;
+		esac
+	done
+'
+
+test_done
-- 
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