Home | History | Annotate | Download | only in preparser 
      1 # Copyright 2011 the V8 project authors. All rights reserved.
      2 # Redistribution and use in source and binary forms, with or without
      3 # modification, are permitted provided that the following conditions are
      4 # met:
      5 #
      6 #     * Redistributions of source code must retain the above copyright
      7 #       notice, this list of conditions and the following disclaimer.
      8 #     * Redistributions in binary form must reproduce the above
      9 #       copyright notice, this list of conditions and the following
     10 #       disclaimer in the documentation and/or other materials provided
     11 #       with the distribution.
     12 #     * Neither the name of Google Inc. nor the names of its
     13 #       contributors may be used to endorse or promote products derived
     14 #       from this software without specific prior written permission.
     15 #
     16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 
     29 import os
     30 import re
     31 
     32 from testrunner.local import testsuite
     33 from testrunner.local import utils
     34 from testrunner.objects import testcase
     35 
     36 
     37 class PreparserTestSuite(testsuite.TestSuite):
     38   def __init__(self, name, root):
     39     super(PreparserTestSuite, self).__init__(name, root)
     40 
     41   def shell(self):
     42     return "preparser"
     43 
     44   def _GetExpectations(self):
     45     expects_file = os.path.join(self.root, "preparser.expectation")
     46     expectations_map = {}
     47     if not os.path.exists(expects_file): return expectations_map
     48     rule_regex = re.compile("^([\w\-]+)(?::([\w\-]+))?(?::(\d+),(\d+))?$")
     49     for line in utils.ReadLinesFrom(expects_file):
     50       rule_match = rule_regex.match(line)
     51       if not rule_match: continue
     52       expects = []
     53       if (rule_match.group(2)):
     54         expects += [rule_match.group(2)]
     55         if (rule_match.group(3)):
     56           expects += [rule_match.group(3), rule_match.group(4)]
     57       expectations_map[rule_match.group(1)] = " ".join(expects)
     58     return expectations_map
     59 
     60   def _ParsePythonTestTemplates(self, result, filename):
     61     pathname = os.path.join(self.root, filename + ".pyt")
     62     def Test(name, source, expectation):
     63       source = source.replace("\n", " ")
     64       testname = os.path.join(filename, name)
     65       flags = ["-e", source]
     66       if expectation:
     67         flags += ["throws", expectation]
     68       test = testcase.TestCase(self, testname, flags=flags)
     69       result.append(test)
     70     def Template(name, source):
     71       def MkTest(replacement, expectation):
     72         testname = name
     73         testsource = source
     74         for key in replacement.keys():
     75           testname = testname.replace("$" + key, replacement[key]);
     76           testsource = testsource.replace("$" + key, replacement[key]);
     77         Test(testname, testsource, expectation)
     78       return MkTest
     79     execfile(pathname, {"Test": Test, "Template": Template})
     80 
     81   def ListTests(self, context):
     82     expectations = self._GetExpectations()
     83     result = []
     84 
     85     # Find all .js files in this directory.
     86     filenames = [f[:-3] for f in os.listdir(self.root) if f.endswith(".js")]
     87     filenames.sort()
     88     for f in filenames:
     89       throws = expectations.get(f, None)
     90       flags = [f + ".js"]
     91       if throws:
     92         flags += ["throws", throws]
     93       test = testcase.TestCase(self, f, flags=flags)
     94       result.append(test)
     95 
     96     # Find all .pyt files in this directory.
     97     filenames = [f[:-4] for f in os.listdir(self.root) if f.endswith(".pyt")]
     98     filenames.sort()
     99     for f in filenames:
    100       self._ParsePythonTestTemplates(result, f)
    101     return result
    102 
    103   def GetFlagsForTestCase(self, testcase, context):
    104     first = testcase.flags[0]
    105     if first != "-e":
    106       testcase.flags[0] = os.path.join(self.root, first)
    107     return testcase.flags
    108 
    109   def GetSourceForTest(self, testcase):
    110     if testcase.flags[0] == "-e":
    111       return testcase.flags[1]
    112     with open(testcase.flags[0]) as f:
    113       return f.read()
    114 
    115   def VariantFlags(self):
    116     return [[]];
    117 
    118 
    119 def GetSuite(name, root):
    120   return PreparserTestSuite(name, root)
    121