From af750ac4e4a3b33cf09c9609c5b8b2e66c5781f6 Mon Sep 17 00:00:00 2001
From: mhagger <mhagger@be7e6eca-30d4-0310-a8e5-ac0d63af7087>
Date: Sun, 8 Aug 2010 20:07:37 +0000
Subject: [PATCH] Add a simple test of the ability to merge a large number of
 files.

git-svn-id: http://cvs2svn.tigris.org/svn/cvs2svn/trunk@5243 be7e6eca-30d4-0310-a8e5-ac0d63af7087
---
 cvs2svn_lib/test/sort-test | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100755 cvs2svn_lib/test/sort-test

diff --git a/cvs2svn_lib/test/sort-test b/cvs2svn_lib/test/sort-test
new file mode 100755
index 00000000..5c5c8818
--- /dev/null
+++ b/cvs2svn_lib/test/sort-test
@@ -0,0 +1,48 @@
+#! /usr/bin/python
+
+"""A trivial test of sorting a large number of tiny files.
+
+This is mostly to verify that hierarchical merging doesn't blow up due
+to opening too many files at once."""
+
+
+import sys
+import os
+import shutil
+
+SRCPATH = os.path.normpath(os.path.join(os.path.dirname(__file__), '..', '..'))
+sys.path.insert(0, os.path.join(SRCPATH))
+
+from cvs2svn_lib import sort
+
+
+TMPDIR = 'cvs2svn-tmp'
+NUMFILES = 2200
+LINES_PER_FILE = 5
+
+OUTFILE = os.path.join(TMPDIR, 'out.dat')
+
+try:
+    shutil.rmtree(TMPDIR)
+except:
+    pass
+
+filenames = [
+    os.path.join(TMPDIR, '%04d.dat' % (i,))
+    for i in range(NUMFILES)
+    ]
+
+os.makedirs(TMPDIR)
+for (i, filename) in enumerate(filenames):
+    f = open(filename, 'w')
+    for j in range(LINES_PER_FILE):
+        f.write('%04d %04d\n' % (j, i,))
+    f.close()
+
+sort.merge_files(filenames, OUTFILE, max_merge=4)
+
+for (i, line) in enumerate(open(OUTFILE)):
+    assert line == '%04d %04d\n' % (i // NUMFILES, i % NUMFILES,)
+
+print 'OK'
+
-- 
2.11.4.GIT