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1# Copyright 2008 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
28from __future__ import print_function
29
30import test
31import os
32from os.path import join, exists, basename, dirname, isdir
33import re
34import sys
35import utils
36from functools import reduce
37
38FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
39PTY_HELPER = join(dirname(__file__), 'pty_helper.py')
40
41class TTYTestCase(test.TestCase):
42
43  def __init__(self, path, file, expected, input_arg, arch, mode, context, config):
44    super(TTYTestCase, self).__init__(context, path, arch, mode)
45    self.file = file
46    self.expected = expected
47    self.input = input_arg
48    self.config = config
49    self.arch = arch
50    self.mode = mode
51
52  def IgnoreLine(self, str_arg):
53    """Ignore empty lines and valgrind output."""
54    if not str_arg.strip(): return True
55    else: return str_arg.startswith('==') or str_arg.startswith('**')
56
57  def IsFailureOutput(self, output):
58    f = open(self.expected)
59    # Convert output lines to regexps that we can match
60    env = { 'basename': basename(self.file) }
61    patterns = [ ]
62    for line in f:
63      if not line.strip():
64        continue
65      pattern = re.escape(line.rstrip() % env)
66      pattern = pattern.replace('\\*', '.*')
67      pattern = '^%s$' % pattern
68      patterns.append(pattern)
69    # Compare actual output with the expected
70    raw_lines = (output.stdout + output.stderr).split('\n')
71    outlines = [ s.rstrip() for s in raw_lines if not self.IgnoreLine(s) ]
72    if len(outlines) != len(patterns):
73      print("length differs.")
74      print("expect=%d" % len(patterns))
75      print("actual=%d" % len(outlines))
76      print("patterns:")
77      for i in range(len(patterns)):
78        print("pattern = %s" % patterns[i])
79      print("outlines:")
80      for i in range(len(outlines)):
81        print("outline = %s" % outlines[i])
82      return True
83    for i in range(len(patterns)):
84      if not re.match(patterns[i], outlines[i]):
85        print("match failed")
86        print("line=%d" % i)
87        print("expect=%s" % patterns[i])
88        print("actual=%s" % outlines[i])
89        return True
90    return False
91
92  def GetLabel(self):
93    return "%s %s" % (self.mode, self.GetName())
94
95  def GetName(self):
96    return self.path[-1]
97
98  def GetCommand(self):
99    result = [self.config.context.GetVm(self.arch, self.mode)]
100    source = open(self.file).read()
101    flags_match = FLAGS_PATTERN.search(source)
102    if flags_match:
103      result += flags_match.group(1).strip().split()
104    result.append(self.file)
105    return result
106
107  def GetSource(self):
108    return (open(self.file).read()
109          + "\n--- expected output ---\n"
110          + open(self.expected).read())
111
112  def RunCommand(self, command, env):
113    fd = None
114    if self.input is not None and exists(self.input):
115      fd = os.open(self.input, os.O_RDONLY)
116    full_command = self.context.processor(command)
117    full_command = [sys.executable, PTY_HELPER] + full_command
118    output = test.Execute(full_command,
119                     self.context,
120                     self.context.GetTimeout(self.mode),
121                     env,
122                     stdin=fd)
123    if fd is not None:
124      os.close(fd)
125    return test.TestOutput(self,
126                      full_command,
127                      output,
128                      self.context.store_unexpected_output)
129
130
131class TTYTestConfiguration(test.TestConfiguration):
132  def Ls(self, path):
133    if isdir(path):
134        return [f[:-3] for f in os.listdir(path) if f.endswith('.js')]
135    else:
136        return []
137
138  def ListTests(self, current_path, path, arch, mode):
139    all_tests = [current_path + [t] for t in self.Ls(self.root)]
140    result = []
141    # Skip these tests on Windows, as pseudo terminals are not available
142    if utils.IsWindows():
143      print ("Skipping pseudo-tty tests, as pseudo terminals are not available"
144             " on Windows.")
145      return result
146    for tst in all_tests:
147      if self.Contains(path, tst):
148        file_prefix = join(self.root, reduce(join, tst[1:], ""))
149        file_path = file_prefix + ".js"
150        input_path = file_prefix + ".in"
151        output_path = file_prefix + ".out"
152        if not exists(output_path):
153          raise Exception("Could not find %s" % output_path)
154        result.append(TTYTestCase(tst, file_path, output_path,
155                                  input_path, arch, mode, self.context, self))
156    return result
157
158  def GetBuildRequirements(self):
159    return ['sample', 'sample=shell']
160
161
162def GetConfiguration(context, root):
163  return TTYTestConfiguration(context, root, 'pseudo-tty')
164