README: replace du code example's tab prefix with spaces

[bup.git] / wvtest.py

diff --git a/wvtest.py b/wvtest.py
index cc68601ccd6b5c95ab24546887ebf2f0f31f1258..2f48ef62acfa56a4cfdd850095f7d76b4c54ea29 100755 (executable)
--- a/wvtest.py
+++ b/wvtest.py
@@ -1,4 +1,10 @@
-#!/usr/bin/env python
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/cmd/bup-python"
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+
 #
 # WvTest:
 #   Copyright (C)2007-2012 Versabanq Innovations Inc. and contributors.
@@ -6,6 +12,8 @@
 #       See the included file named LICENSE for license information.
 #       You can get wvtest from: http://github.com/apenwarr/wvtest
 #
+
+from __future__ import absolute_import
 import atexit
 import inspect
 import os
@@ -13,6 +21,8 @@ import re
 import sys
 import traceback
 
+_start_dir = os.getcwd()
+
 # NOTE
 # Why do we do we need the "!= main" check?  Because if you run
 # wvtest.py as a main program and it imports your test files, then
@@ -58,24 +68,36 @@ if __name__ != '__main__':   # we're imported as a module
         sys.stdout.flush()
 
 
+    def _caller_stack(wv_call_depth):
+        # Without the chdir, the source text lookup may fail
+        orig = os.getcwd()
+        os.chdir(_start_dir)
+        try:
+            return traceback.extract_stack()[-(wv_call_depth + 2)]
+        finally:
+            os.chdir(orig)
+
+
     def _check(cond, msg = 'unknown', tb = None):
-        if tb == None: tb = traceback.extract_stack()[-3]
+        if tb == None: tb = _caller_stack(2)
         if cond:
             _result(msg, tb, 'ok')
         else:
             _result(msg, tb, 'FAILED')
         return cond
 
-
+    _code_rx = re.compile(r'^\w+\((.*)\)(\s*#.*)?$')
     def _code():
-        (filename, line, func, text) = traceback.extract_stack()[-3]
-        text = re.sub(r'^\w+\((.*)\)(\s*#.*)?$', r'\1', text);
-        return text
+        text = _caller_stack(2)[3]
+        return _code_rx.sub(r'\1', text)
 
+    def WVSTART(message):
+        filename = _caller_stack(1)[0]
+        sys.stderr.write('Testing \"' + message + '\" in ' + filename + ':\n')
 
     def WVMSG(message):
         ''' Issues a notification. '''
-        return _result(message, traceback.extract_stack()[-3], 'ok')
+        return _result(message, _caller_stack(1), 'ok')
 
     def WVPASS(cond = True):
         ''' Counts a test failure unless cond is true. '''
@@ -117,7 +139,7 @@ if __name__ != '__main__':   # we're imported as a module
         '''
         try:
             func(*args, **kwargs)
-        except etype, e:
+        except etype as e:
             return _check(True, 'EXCEPT(%s)' % _code())
         except:
             _check(False, 'EXCEPT(%s)' % _code())
@@ -125,6 +147,18 @@ if __name__ != '__main__':   # we're imported as a module
         else:
             return _check(False, 'EXCEPT(%s)' % _code())
 
+    wvstart = WVSTART
+    wvmsg = WVMSG
+    wvpass = WVPASS
+    wvfail = WVFAIL
+    wvpasseq = WVPASSEQ
+    wvpassne = WVPASSNE
+    wvpaslt = WVPASSLT
+    wvpassle = WVPASSLE
+    wvpassgt = WVPASSGT
+    wvpassge = WVPASSGE
+    wvexcept = WVEXCEPT
+
     def wvfailure_count():
         return _fails
 
@@ -181,7 +215,7 @@ def _runtest(fname, f):
     sys.stdout.flush()
     try:
         _run_in_chdir(os.path.split(mod.__file__)[0], f)
-    except Exception, e:
+    except Exception as e:
         print
         print traceback.format_exc()
         tb = sys.exc_info()[2]
@@ -196,7 +230,7 @@ def _run_registered_tests():
         print
 
 
-def wvtest_main(extra_testfiles=[]):
+def wvtest_main(extra_testfiles=tuple()):
     import wvtest as _wvtestmod
     _run_registered_tests()
     for modname in extra_testfiles:
@@ -221,4 +255,5 @@ if __name__ == '__main__':
     import wvtest as _wvtestmod
     sys.modules['wvtest'] = _wvtestmod
     sys.modules['wvtest.wvtest'] = _wvtestmod
+    wvtest = _wvtestmod
     wvtest_main(sys.argv[1:])