[IMP] phantomjs runner

* use Skip exception to skip tests in case phantomjs binary not found
* remove spurious logging, move some to debug when debatable
* use testing assertions for correct reporting
* allow failure message
* use mutable buffer to accumulate stdout data

bzr revid: xmo@openerp.com-20140218133445-e5l155j10i934o88

diff --git a/openerp/tests/common.py b/openerp/tests/common.py
index aac93ea..e4183ed 100644 (file)
--- a/openerp/tests/common.py
+++ b/openerp/tests/common.py
@@ -190,38 +190,37 @@ class HttpCase(TransactionCase):
 
         """
         t0 = time.time()
-        buf = ''
+        buf = bytearray()
         while 1:
             # timeout
-            if time.time() > t0 + timeout:
-                raise Exception("phantomjs test timeout (%ss)" % timeout)
+            self.assertLess(time.time(), t0 + timeout,
+                "PhantomJS tests should take less than %s seconds" % timeout)
 
             # read a byte
             ready, _, _ = select.select([phantom.stdout], [], [], 0.5)
             if ready:
                 s = phantom.stdout.read(1)
                 if s:
-                    buf += s
+                    buf.append(s)
                 else:
                     break
 
             # process lines
             if '\n' in buf:
                 line, buf = buf.split('\n', 1)
-                _logger.info("phantomjs: %s", line)
                 if line == "ok":
-                    _logger.info("phantomjs test successful")
                     return
-                if line == "error":
-                    raise Exception("phantomjs test failed")
+                if line.startswith("error"):
+                    # 'error $message' or use generic message
+                    self.fail(line[6:] or "phantomjs test failed")
+                _logger.info("phantomjs: %s", line)
 
     def phantom_run(self, cmd, timeout):
-        _logger.info('executing %s', cmd)
+        _logger.debug('executing `%s`', ' '.join(cmd))
         try:
             phantom = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
         except OSError:
-            _logger.info("phantomjs not found, test skipped")
-            return
+            raise unittest2.SkipTest("PhantomJS not found")
         try:
             self.phantom_poll(phantom, timeout)
         finally: