Check saved_errors before and after every test

[bup.git] / buptest.py

diff --git a/buptest.py b/buptest.py
new file mode 100644 (file)
index 0000000..78e5bb9
--- /dev/null
+++ b/buptest.py
@@ -0,0 +1,43 @@
+
+from contextlib import contextmanager
+from os.path import basename, dirname, realpath
+from traceback import extract_stack
+import subprocess, sys, tempfile
+
+from wvtest import WVPASSEQ, wvfailure_count
+
+from bup import helpers
+
+
+@contextmanager
+def no_lingering_errors():
+    def fail_if_errors():
+        if helpers.saved_errors:
+            bt = extract_stack()
+            src_file, src_line, src_func, src_txt = bt[-4]
+            msg = 'saved_errors ' + repr(helpers.saved_errors)
+            print '! %-70s %s' % ('%s:%-4d %s' % (basename(src_file),
+                                                  src_line,
+                                                  msg),
+                                  'FAILED')
+            sys.stdout.flush()
+    fail_if_errors()
+    helpers.clear_errors()
+    yield
+    fail_if_errors()
+    helpers.clear_errors()
+
+
+# Assumes (of course) this file is at the top-level of the source tree
+_bup_tmp = realpath(dirname(__file__) + '/t/tmp')
+helpers.mkdirp(_bup_tmp)
+
+
+@contextmanager
+def test_tempdir(prefix):
+    initial_failures = wvfailure_count()
+    tmpdir = tempfile.mkdtemp(dir=_bup_tmp, prefix=prefix)
+    yield tmpdir
+    if wvfailure_count() == initial_failures:
+        subprocess.call(['chmod', '-R', 'u+rwX', tmpdir])
+        subprocess.call(['rm', '-rf', tmpdir])