[svn r38097] streamline boxed test configuration:

"config.option.boxed"  indicates now boxed tests
and RSession.fixoptions takes care to honour
dist_boxed accordingly.  So you can do

    if not py.test.config.boxed:
        py.test.skip(...)

i also fixed the documentation.

--HG--
branch : trunk

py/doc/test.txt

@@ -461,8 +461,8 @@ experimental options
     Run browser (implies --startserver).
 
 
-``--box``
+``--boxed``
-    Use boxing: run each test in an external process. Very useful for testing
+    Use boxed tests: run each test in an external process. Very useful for testing
     things that occasionally segfault (since normally the segfault then would
     stop the whole test process).
 
@@ -553,7 +553,7 @@ The options that you need to specify in that conftest.py file are:
 * `dist_rsync_ignore` - a list of relative locations to ignore for rsyncing 
 * `dist_remotepython` - the remote python executable to run.
 * `dist_nicelevel` - process priority of remote nodes. 
-* `dist_boxing` - will run each single test in a separate process 
+* `dist_boxed` - will run each single test in a separate process 
   (allowing to survive segfaults for example) 
 * `dist_taskspernode` - Maximum number of tasks being queued to remote nodes 
 
@@ -563,7 +563,7 @@ Sample configuration::
     dist_rsync_roots = ['../pypy', '../py']
     dist_remotepython = 'python2.4'
     dist_nicelevel = 10 
-    dist_boxing = True
+    dist_boxed = False
     dist_maxwait = 100 
     dist_taskspernode = 10
 

py/path/local/testing/test_local.py

@@ -261,8 +261,8 @@ class TestExecution(LocalSetup):
                 assert not numdir.new(ext=str(i-3)).check()
 
     def test_locked_make_numbered_dir(self):
-        if py.test.config.is_boxed():
+        if py.test.config.option.boxed: 
-            py.test.skip("Fails under boxing")
+            py.test.skip("Fails when run as boxed tests")
         root = self.tmpdir
         for i in range(10):
             numdir = local.make_numbered_dir(prefix='base.', rootdir=root,

py/test/config.py

@@ -156,13 +156,13 @@ class Config(object):
         if self.option.dist:
             name = 'RSession'
         else:
-            optnames = 'startserver runbrowser apigen restreport boxing'.split()
+            optnames = 'startserver runbrowser apigen restreport boxed'.split()
             for opt in optnames:
                 if getattr(self.option, opt, False):
                     name = 'LSession'
                     break
             else:
-                if self.getvalue('dist_boxing'):
+                if self.getvalue('dist_boxed'):
                     name = 'LSession'
                 if self.option.looponfailing:
                     name = 'RemoteTerminalSession'
@@ -170,10 +170,6 @@ class Config(object):
                     name = 'RemoteTerminalSession'
         return name
 
-    def is_boxed(self):
-        # XXX probably not a good idea to have this special function ...
-        return self.option.boxing or self.getvalue("dist_boxing")
-
     def _reparse(self, args):
         """ this is used from tests that want to re-invoke parse(). """
         #assert args # XXX should not be empty

py/test/defaultconftest.py

@@ -19,7 +19,7 @@ additionalinfo = None
 #                  whole pkgdir will be rsynced
 dist_remotepython = "python"
 dist_taskspernode = 15
-dist_boxing = False
+dist_boxed = False
 if hasattr(py.std.os, 'nice'):
     dist_nicelevel = py.std.os.nice(0) # nice py.test works
 else:
@@ -87,9 +87,9 @@ def adddefaultoptions(config):
                action="store_true", dest="runbrowser", default=False,
                help="run browser (implies --startserver)."
                ),
-        Option('', '--box',
+        Option('', '--boxed',
-               action="store_true", dest="boxing",
+               action="store_true", dest="boxed", default=False,
-               help="use boxing (running each test in external process)"),
+               help="box each test run in a separate process"), 
         Option('', '--rest',
                action='store_true', dest="restreport", default=False,
                help="restructured text output reporting."),

py/test/rsession/rsession.py

@@ -30,6 +30,8 @@ class AbstractSession(Session):
         if option.nocapture:
             print "Cannot use nocapture with distributed testing"
             sys.exit(1)
+        if self.config.getvalue("dist_boxed"):
+            option.boxed = True
         super(AbstractSession, self).fixoptions()
 
     def init_reporter(self, reporter, hosts, reporter_class, arg=""):
@@ -240,9 +242,8 @@ class LSession(AbstractSession):
                                                      module_name=pkgname)
             self.tracer = Tracer(self.docstorage)
             return apigen_runner
+        elif self.config.option.boxed:
+            return box_runner
         else:
-            if (self.config.getvalue('dist_boxing') or self.config.option.boxing)\
-                   and not self.config.option.nocapture:
-                return box_runner
             return plain_runner
 

py/test/testing/test_collect.py

@@ -7,6 +7,10 @@ def setup_module(mod):
     mod.datadir = setupdatadir()
     mod.tmpdir = py.test.ensuretemp('test_collect') 
 
+def skipboxed():
+    if py.test.config.option.boxed: 
+        py.test.skip("test does not work with boxed tests")
+
 def test_failing_import_execfile():
     dest = datadir / 'failingimport.py'
     col = py.test.collect.Module(dest) 
@@ -267,8 +271,7 @@ def test_custom_NONpython_collection_from_conftest():
     assert len(l) == 1
 
 def test_order_of_execution_generator_same_codeline():
-    if py.test.config.is_boxed():
+    skipboxed()
-        py.test.skip("Does not work with boxing")
     test_list = []
     expected_list = range(6)
 
@@ -286,8 +289,7 @@ def test_order_of_execution_generator_same_codeline():
 
 
 def test_order_of_execution_generator_different_codeline():
-    if py.test.config.is_boxed():
+    skipboxed()
-        py.test.skip("Does not work with boxing")
     test_list = []
     expected_list = range(3)
 

py/test/testing/test_config.py

@@ -207,7 +207,7 @@ class TestSessionAndOptions:
         assert config._getsessionname() == 'RSession'
 
     def test_implied_lsession(self):
-        optnames = 'startserver runbrowser apigen=x rest box'.split()
+        optnames = 'startserver runbrowser apigen=x rest boxed'.split()
         for x in optnames:
             config = py.test.config._reparse([self.tmpdir, '--%s' % x])
             assert config._getsessionname() == 'LSession'
@@ -240,22 +240,30 @@ class TestSessionAndOptions:
         session = config.initsession()
         assert session.config is config 
 
-    def test_boxing_options(self):
+    def test_boxed_option_including_implied_from_conftest(self):
-        # XXX config.is_boxed() is probably not a good idea 
+        self.tmpdir.join("conftest.py").write("dist_hosts=[]")
-        tmpdir = self.tmpdir
+        tmpdir = self.tmpdir.ensure("subdir", dir=1)
         config = py.test.config._reparse([tmpdir])
-        assert not config.option.boxing 
+        config.initsession()
-        assert not config.is_boxed()
+        assert not config.option.boxed 
+        config = py.test.config._reparse(['--dist', tmpdir])
+        config.initsession()
+        assert not config.option.boxed 
 
-        #tmpdir.join("conftest.py").write("dist_boxing=True\n")
+        tmpdir.join("conftest.py").write(py.code.Source("""
-        #config = py.test.config._reparse([tmpdir])
+            dist_hosts = []
-        #assert config.is_boxed()
+            dist_boxed = True
-
+        """))
-        tmpdir.join("conftest.py").write("dist_boxing=False\n")
+        config = py.test.config._reparse(['--dist', tmpdir])
-        config = py.test.config._reparse([tmpdir])
+        config.initsession()
-        assert not config.is_boxed()
+        assert config.option.boxed 
+        tmpdir.join("conftest.py").write(py.code.Source("""
+            dist_boxed = False
+        """))
         config = py.test.config._reparse([tmpdir, '--box'])
-        assert config.is_boxed()
+        assert config.option.boxed 
+        config.initsession()
+        assert config.option.boxed 
 
     def test_getvalue_pathlist(self):
         tmpdir = self.tmpdir

py/test/testing/test_session.py

@@ -50,6 +50,10 @@ def runfiletest(opts):
     l = session.getitemoutcomepairs(Passed)
     assert not l 
 
+def test_is_not_boxed_by_default():
+    config = py.test.config._reparse([datadir])
+    assert not config.option.boxed
+
 class TestKeywordSelection: 
     def test_select_simple(self): 
         for keyword in ['test_one', 'est_on']: