1 files changed, 133 insertions, 0 deletions
diff --git a/test/regress.py b/test/regress.py
new file mode 100755
index 00000000..aff17687
--- /dev/null
+++ b/test/regress.py
@@ -0,0 +1,133 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import re
+import string
+import difflib
+import tempfile
+
+from subprocess import Popen, PIPE
+
+ledger = sys.argv[1]
+tests  = sys.argv[2]
+
+if not os.path.isfile(ledger):
+    sys.exit(1)
+if not os.path.isdir(tests):
+    sys.exit(1)
+
+succeeded = 0
+failed    = 0
+
+def test_regression(test_file):
+    global succeeded, failed
+
+    bug     = open(test_file)
+    command = bug.readline()
+
+    line = bug.readline()
+    assert "<<<\n" == line
+    line = bug.readline()
+
+    data = []
+    while line != ">>>1\n":
+        data.append(line)
+        line = bug.readline()
+    line = bug.readline()
+
+    use_stdin = False
+    if command.startswith("-f - "):
+        use_stdin = True
+
+        command = ("%s" % ledger) + command
+    else:
+        tempdata = tempfile.mkstemp()
+
+        os.write(tempdata[0], string.join(data))
+        os.close(tempdata[0])
+
+        command = ("%s -f \"%s\" " % (ledger, tempdata[1])) + command
+
+    output = []
+    while line != ">>>2\n":
+        output.append(line)
+        line = bug.readline()
+    line = bug.readline()
+
+    error = []
+    while not line.startswith("==="):
+        error.append(line)
+        line = bug.readline()
+
+    match = re.match('=== ([0-9]+)', line)
+    assert match
+
+    exitcode = int(match.group(1))
+
+    p = Popen(command[:-1], shell=True,
+              stdin=PIPE, stdout=PIPE, stderr=PIPE,
+              close_fds=True)
+
+    if use_stdin:
+        p.stdin.write(string.join(data))
+    p.stdin.close()
+
+    success = True
+
+    printed = False
+    index   = 0
+    for line in difflib.unified_diff(output, p.stdout.readlines()):
+        index += 1
+        if index < 3:
+            continue
+        if not printed:
+            if success: print
+            print "Regression failure in output from %s:" \
+                % os.path.basename(test_file)
+            if success: failed += 1
+            success = False
+            printed = True
+        print " ", line,
+
+    printed = False
+    index   = 0
+    for line in difflib.unified_diff(error, p.stderr.readlines()):
+        index += 1
+        if index < 3:
+            continue
+        if not printed:
+            if success: print
+            print "Regression failure in error output from %s:" \
+                % os.path.basename(test_file)
+            if success: failed += 1
+            success = False
+            printed = True
+        print " ", line,
+
+    if exitcode != p.wait():
+        if success: print
+        if success: failed += 1
+        success = False
+        print "Regression failure in exitcode from %s: %d (expected) != %d" \
+            % (os.path.basename(test_file), exitcode, p.returncode)
+
+    if success:
+        succeeded += 1
+        print ".",
+
+    if not use_stdin:
+        os.remove(tempdata[1])
+
+for test in os.listdir(tests):
+    if re.search('\.test$', test):
+        test_regression(os.path.join(tests, test))
+
+print
+if succeeded > 0:
+    print "OK (%d) " % succeeded,
+if failed > 0:
+    print "FAILED (%d)" % failed,
+print
+
+sys.exit(failed)