Add a new variable environment for testing, to replace the misusage of 'arch'.

dart/tools/testing/test_case.py

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """Common TestCase subclasses used to define a single test."""
 
 import os
 import tempfile
 
 import test
 from testing import architecture
 
 
 class Error(Exception):
   pass
 
 
 class StandardTestCase(test.TestCase):
   """A test case defined by a *Test.dart file."""
 
-  def __init__(self, context, path, filename, mode, arch, vm_options=None):
+  def __init__(self, context, path, filename, mode, arch, FOOBAR, vm_options=None):
     super(StandardTestCase, self).__init__(context, path)
     self.filename = filename
     self.mode = mode
     self.arch = arch
+    self.FOOBAR = FOOBAR
     self.run_arch = architecture.GetArchitecture(self.arch, self.mode,
+                                                 self.FOOBAR,
                                                  self.filename)
     for flag in context.flags:
       self.run_arch.vm_options.append(flag)
 
     if vm_options:
       for flag in vm_options:
         self.run_arch.vm_options.append(flag)
 
   def IsNegative(self):
     return self.GetName().endswith('NegativeTest')
 
   def GetLabel(self):
-    return '%s%s %s' % (self.mode, self.arch, '/'.join(self.path))
+    return '%s%s %s %s' % (self.mode, self.arch, self.FOOBAR, '/'.join(self.path))
 
   def GetCommand(self):
     return self.run_arch.GetRunCommand()
 
   def GetName(self):
     return self.path[-1]
 
   def GetPath(self):
     return os.path.dirname(self.filename)
 
   def GetSource(self):
     return file(self.filename).read()
 
   def Cleanup(self):
     # TODO(ngeoffray): We run out of space on the build bots for these tests if
     # the temp directories are not removed right after running the test.
     if not self.context.keep_temporary_files:
       self.run_arch.Cleanup()
 
 
 class MultiTestCase(StandardTestCase):
   """Multiple test cases defined within a single *Test.dart file."""
 
-  def __init__(self, context, path, filename, kind, mode, arch):
-    super(MultiTestCase, self).__init__(context, path, filename, mode, arch)
+  def __init__(self, context, path, filename, kind, mode, arch, FOOBAR):
+    super(MultiTestCase, self).__init__(context, path, filename, mode, arch,
+                                        FOOBAR)
     self.kind = kind
 
   def GetCommand(self):
     """Returns a commandline to execute to perform the test."""
     return self.run_arch.GetRunCommand(
         fatal_static_type_errors=(self.kind == 'static type error'))
 
   def IsNegative(self):
     """Determine if this is a negative test. by looking at @ directives.
 
     A negative test is considered to pas if its outcome is FAIL.
 
     Returns:
       True if this is a negative test.
     """
     if self.kind == 'compile-time error':
       return True
     if self.kind == 'runtime error':
       return False
     if self.kind == 'static type error':
       return self.run_arch.HasFatalTypeErrors()
     return False
 
 
 class BrowserTestCase(StandardTestCase):
   """A test case that executes inside a browser (or DumpRenderTree)."""
 
   def __init__(self, context, path, filename,
-               fatal_static_type_errors, mode, arch, vm_options=None):
+               fatal_static_type_errors, mode, arch, FOOBAR, vm_options=None):
     super(BrowserTestCase, self).__init__(
-        context, path, filename, mode, arch, vm_options)
+        context, path, filename, mode, arch, FOOBAR, vm_options)
     self.fatal_static_type_errors = fatal_static_type_errors
 
   def Run(self):
     """Optionally compiles and then runs the specified test."""
     command = self.run_arch.GetCompileCommand(self.fatal_static_type_errors)
     if command:
       # We change the directory where dartc will be launched because
       # it is not predictable on the location of the compiled file. In
       # case the test is a web test, we make sure the app file is not
       # in a subdirectory.
@@ skipping 12 matching lines @@
     # the output does.
     if self.run_arch.HasFailed(test_output.output.stdout):
       test_output.output.exit_code = 1
 
     return test_output
 
 
 class CompilationTestCase(test.TestCase):
   """Run the dartc compiler on a given top level .dart file."""
 
-  def __init__(self, path, context, filename, mode, arch):
+  def __init__(self, path, context, filename, mode, arch, FOOBAR):
     super(CompilationTestCase, self).__init__(context, path)
     self.filename = filename
     self.mode = mode
     self.arch = arch
-    self.run_arch = architecture.GetArchitecture(self.arch, self.mode,
+    self.FOOBAR = FOOBAR
+    self.run_arch = architecture.GetArchitecture(self.arch,
+                                                 self.mode,
+                                                 self.FOOBAR,
                                                  self.filename)
     self.temp_dir = tempfile.mkdtemp(prefix='dartc-output-')
 
   def IsNegative(self):
     return False
 
   def GetLabel(self):
-    return '%s/%s %s' % (self.mode, self.arch, '/'.join(self.path))
+    return '%s/%s %s %s' % (self.mode, self.arch, self.FOOBAR, '/'.join(self.path))
 
   def GetCommand(self):
     """Returns a command line to run the test."""
     cmd = self.context.GetDartC(self.mode, self.arch)
     cmd += self.context.flags
     cmd += ['-check-only',
             '-fatal-type-errors',
             '-Werror',
             '-out', self.temp_dir,
             self.filename]
 
     return cmd
 
   def GetName(self):
     return self.path[-1]
 
   def Cleanup(self):
     if not self.context.keep_temporary_files:
       self.run_arch.Cleanup()