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1#! -*- python -*-
2# Copyright (c) 2012 The Native Client Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import json
7import os
8import shutil
9import sys
10
11sys.path.append(Dir('#/tools').abspath)
12import command_tester
13import test_lib
14
15Import(['pre_base_env'])
16
17# Underlay things migrating to ppapi repo.
18Dir('#/..').addRepository(Dir('#/../ppapi'))
19
20# Append a list of files to another, filtering out the files that already exist.
21# Filtering helps migrate declarations between repos by preventing redundant
22# declarations from causing an error.
23def ExtendFileList(existing, additional):
24  # Avoid quadratic behavior by using a set.
25  combined = set()
26  for file_name in existing + additional:
27    if file_name in combined:
28      print 'WARNING: two references to file %s in the build.' % file_name
29    combined.add(file_name)
30  return sorted(combined)
31
32
33ppapi_scons_files = {}
34ppapi_scons_files['trusted_scons_files'] = []
35ppapi_scons_files['untrusted_irt_scons_files'] = []
36
37ppapi_scons_files['nonvariant_test_scons_files'] = [
38    'tests/breakpad_crash_test/nacl.scons',
39    'tests/nacl_browser/browser_dynamic_library/nacl.scons',
40    'tests/ppapi_test_lib/nacl.scons',
41]
42
43ppapi_scons_files['irt_variant_test_scons_files'] = [
44    # 'inbrowser_test_runner' must be in the irt_variant list
45    # otherwise it will run no tests.
46    'tests/nacl_browser/inbrowser_test_runner/nacl.scons',
47    # Disabled by Brad Chen 4 Sep to try to green Chromium
48    # nacl_integration tests
49    #'tests/nacl_browser/fault_injection/nacl.scons',
50]
51
52ppapi_scons_files['untrusted_scons_files'] = [
53    'src/shared/ppapi/nacl.scons',
54    'src/untrusted/irt_stub/nacl.scons',
55    'src/untrusted/nacl_ppapi_util/nacl.scons',
56]
57
58
59EXTRA_ENV = [
60    'XAUTHORITY', 'HOME', 'DISPLAY', 'SSH_TTY', 'KRB5CCNAME',
61    'CHROME_DEVEL_SANDBOX' ]
62
63def SetupBrowserEnv(env):
64  for var_name in EXTRA_ENV:
65    if var_name in os.environ:
66      env['ENV'][var_name] = os.environ[var_name]
67
68pre_base_env.AddMethod(SetupBrowserEnv)
69
70
71def GetHeadlessPrefix(env):
72  if env.Bit('browser_headless') and env.Bit('host_linux'):
73    return ['xvfb-run', '--auto-servernum']
74  else:
75    # Mac and Windows do not seem to have an equivalent.
76    return []
77
78pre_base_env.AddMethod(GetHeadlessPrefix)
79
80
81# A fake file to depend on if a path to Chrome is not specified.
82no_browser = pre_base_env.File('chrome_browser_path_not_specified')
83
84
85# SCons attempts to run a test that depends on "no_browser", detect this at
86# runtime and cause a build error.
87def NoBrowserError(target, source, env):
88  print target, source, env
89  print ("***\nYou need to specificy chrome_browser_path=... on the " +
90         "command line to run these tests.\n***\n")
91  return 1
92
93pre_base_env.Append(BUILDERS = {
94    'NoBrowserError': Builder(action=NoBrowserError)
95})
96
97pre_base_env.NoBrowserError([no_browser], [])
98
99
100def ChromeBinary(env):
101  if 'chrome_browser_path' in ARGUMENTS:
102    return env.File(env.SConstructAbsPath(ARGUMENTS['chrome_browser_path']))
103  else:
104    return no_browser
105
106pre_base_env.AddMethod(ChromeBinary)
107
108
109def GetPPAPIPluginPath(env, allow_64bit_redirect=True):
110  if 'force_ppapi_plugin' in ARGUMENTS:
111    return env.SConstructAbsPath(ARGUMENTS['force_ppapi_plugin'])
112  if env.Bit('mac'):
113    fn = env.File('${STAGING_DIR}/ppNaClPlugin')
114  else:
115    fn = env.File('${STAGING_DIR}/${SHLIBPREFIX}ppNaClPlugin${SHLIBSUFFIX}')
116  if allow_64bit_redirect and env.Bit('target_x86_64'):
117    # On 64-bit Windows and on Mac, we need the 32-bit plugin because
118    # the browser is 32-bit.
119    # Unfortunately it is tricky to build the 32-bit plugin (and all the
120    # libraries it needs) in a 64-bit build... so we'll assume it has already
121    # been built in a previous invocation.
122    # TODO(ncbray) better 32/64 builds.
123    if env.Bit('windows'):
124      fn = env.subst(fn).abspath.replace('-win-x86-64', '-win-x86-32')
125    elif env.Bit('mac'):
126      fn = env.subst(fn).abspath.replace('-mac-x86-64', '-mac-x86-32')
127  return fn
128
129pre_base_env.AddMethod(GetPPAPIPluginPath)
130
131
132# runnable-ld.so log has following format:
133# lib_name => path_to_lib (0x....address)
134def ParseLibInfoInRunnableLdLog(line):
135  pos = line.find(' => ')
136  if pos < 0:
137    return None
138  lib_name = line[:pos].strip()
139  lib_path = line[pos+4:]
140  pos1 = lib_path.rfind(' (')
141  if pos1 < 0:
142    return None
143  lib_path = lib_path[:pos1]
144  return lib_name, lib_path
145
146
147# Expected name of the temporary .libs file which stores glibc library
148# dependencies in "lib_name => lib_info" format
149# (see ParseLibInfoInRunnableLdLog)
150def GlibcManifestLibsListFilename(manifest_base_name):
151  return '${STAGING_DIR}/%s.libs' % manifest_base_name
152
153
154# Copy libs and manifest to the target directory.
155# source[0] is a manifest file
156# source[1] is a .libs file with a list of libs generated by runnable-ld.so
157def CopyLibsForExtensionCommand(target, source, env):
158  source_manifest = str(source[0])
159  target_manifest = str(target[0])
160  shutil.copyfile(source_manifest, target_manifest)
161  target_dir = os.path.dirname(target_manifest)
162  libs_file = open(str(source[1]), 'r')
163  for line in libs_file.readlines():
164    lib_info = ParseLibInfoInRunnableLdLog(line)
165    if lib_info:
166      lib_name, lib_path = lib_info
167      if lib_path == 'NaClMain':
168        # This is a fake file name, which we cannot copy.
169        continue
170      shutil.copyfile(lib_path, os.path.join(target_dir, lib_name))
171  shutil.copyfile(env.subst('${NACL_SDK_LIB}/runnable-ld.so'),
172                  os.path.join(target_dir, 'runnable-ld.so'))
173  libs_file.close()
174
175
176# Extensions are loaded from directory on disk and so all dynamic libraries
177# they use must be copied to extension directory. The option --extra_serving_dir
178# does not help us in this case.
179def CopyLibsForExtension(env, target_dir, manifest):
180  if not env.Bit('nacl_glibc'):
181    return env.Install(target_dir, manifest)
182  manifest_base_name = os.path.basename(str(env.subst(manifest)))
183  lib_list_node = env.File(GlibcManifestLibsListFilename(manifest_base_name))
184  nmf_node = env.Command(
185      target_dir + '/' + manifest_base_name,
186      [manifest, lib_list_node],
187      CopyLibsForExtensionCommand)
188  return nmf_node
189
190pre_base_env.AddMethod(CopyLibsForExtension)
191
192
193
194def WhitelistLibsForExtensionCommand(target, source, env):
195  # Load existing extension manifest.
196  src_file = open(source[0].abspath, 'r')
197  src_json = json.load(src_file)
198  src_file.close()
199
200  # Load existing 'web_accessible_resources' key.
201  if 'web_accessible_resources' not in src_json:
202    src_json['web_accessible_resources'] = []
203  web_accessible = src_json['web_accessible_resources']
204
205  # Load list of libraries, and add libraries to web_accessible list.
206  libs_file = open(source[1].abspath, 'r')
207  for line in libs_file.readlines():
208    lib_info = ParseLibInfoInRunnableLdLog(line)
209    if lib_info:
210      web_accessible.append(lib_info[0])
211  # Also add the dynamic loader, which won't be in the libs_file.
212  web_accessible.append('runnable-ld.so')
213  libs_file.close()
214
215  # Write out the appended-to extension manifest.
216  target_file = open(target[0].abspath, 'w')
217  json.dump(src_json, target_file, sort_keys=True, indent=2)
218  target_file.close()
219
220
221# Whitelist glibc shared libraries (if necessary), so that they are
222# 'web_accessible_resources'.  This allows the libraries hosted at the origin
223# chrome-extension://[PACKAGE ID]/
224# to be made available to webpages that use this NaCl extension,
225# which are in a different origin.
226# See: http://code.google.com/chrome/extensions/manifest.html
227def WhitelistLibsForExtension(env, target_dir, nmf, extension_manifest):
228  if env.Bit('nacl_static_link'):
229    # For static linking, assume the nexe and nmf files are already
230    # whitelisted, so there is no need to add entries to the extension_manifest.
231    return env.Install(target_dir, extension_manifest)
232  nmf_base_name = os.path.basename(env.File(nmf).abspath)
233  lib_list_node = env.File(GlibcManifestLibsListFilename(nmf_base_name))
234  manifest_base_name = os.path.basename(env.File(extension_manifest).abspath)
235  extension_manifest_node = env.Command(
236      target_dir + '/' + manifest_base_name,
237      [extension_manifest, lib_list_node],
238      WhitelistLibsForExtensionCommand)
239  return extension_manifest_node
240
241pre_base_env.AddMethod(WhitelistLibsForExtension)
242
243
244# Generate manifest from newlib manifest and the list of libs generated by
245# runnable-ld.so.
246def GenerateManifestFunc(target, source, env):
247  # Open the original manifest and parse it.
248  source_file = open(str(source[0]), 'r')
249  obj = json.load(source_file)
250  source_file.close()
251  # Open the file with ldd-format list of NEEDED libs and parse it.
252  libs_file = open(str(source[1]), 'r')
253  lib_names = []
254  arch = env.subst('${TARGET_FULLARCH}')
255  for line in libs_file.readlines():
256    lib_info = ParseLibInfoInRunnableLdLog(line)
257    if lib_info:
258      lib_name, _ = lib_info
259      lib_names.append(lib_name)
260  libs_file.close()
261  # Inject the NEEDED libs into the manifest.
262  if 'files' not in obj:
263    obj['files'] = {}
264  for lib_name in lib_names:
265    obj['files'][lib_name] = {}
266    obj['files'][lib_name][arch] = {}
267    obj['files'][lib_name][arch]['url'] = lib_name
268  # Put what used to be specified under 'program' into 'main.nexe'.
269  obj['files']['main.nexe'] = {}
270  for k, v in obj['program'].items():
271    obj['files']['main.nexe'][k] = v.copy()
272    v['url'] = 'runnable-ld.so'
273  # Write the new manifest!
274  target_file = open(str(target[0]), 'w')
275  json.dump(obj, target_file, sort_keys=True, indent=2)
276  target_file.close()
277  return 0
278
279
280def GenerateManifestDynamicLink(env, dest_file, lib_list_file,
281                                manifest, exe_file):
282  # Run sel_ldr on the nexe to trace the NEEDED libraries.
283  lib_list_node = env.Command(
284      lib_list_file,
285      [env.GetSelLdr(),
286       '${NACL_SDK_LIB}/runnable-ld.so',
287       exe_file,
288       '${SCONSTRUCT_DIR}/DEPS'],
289      # We ignore the return code using '-' in order to build tests
290      # where binaries do not validate.  This is a Scons feature.
291      '-${SOURCES[0]} -a -E LD_TRACE_LOADED_OBJECTS=1 ${SOURCES[1]} '
292      '--library-path ${NACL_SDK_LIB}:${LIB_DIR} ${SOURCES[2].posix} '
293      '> ${TARGET}')
294  return env.Command(dest_file,
295                     [manifest, lib_list_node],
296                     GenerateManifestFunc)[0]
297
298
299def GenerateSimpleManifestStaticLink(env, dest_file, exe_name):
300  def Func(target, source, env):
301    archs = ('x86-32', 'x86-64', 'arm')
302    nmf_data = {'program': dict((arch, {'url': '%s_%s.nexe' % (exe_name, arch)})
303                                for arch in archs)}
304    fh = open(target[0].abspath, 'w')
305    json.dump(nmf_data, fh, sort_keys=True, indent=2)
306    fh.close()
307  node = env.Command(dest_file, [], Func)[0]
308  # Scons does not track the dependency of dest_file on exe_name or on
309  # the Python code above, so we should always recreate dest_file when
310  # it is used.
311  env.AlwaysBuild(node)
312  return node
313
314
315def GenerateSimpleManifest(env, dest_file, exe_name):
316  if env.Bit('nacl_static_link'):
317    return GenerateSimpleManifestStaticLink(env, dest_file, exe_name)
318  else:
319    static_manifest = GenerateSimpleManifestStaticLink(
320        env, '%s.static' % dest_file, exe_name)
321    return GenerateManifestDynamicLink(
322        env, dest_file, '%s.tmp_lib_list' % dest_file, static_manifest,
323        '${STAGING_DIR}/%s.nexe' % env.ProgramNameForNmf(exe_name))
324
325pre_base_env.AddMethod(GenerateSimpleManifest)
326
327
328# Returns a pair (main program, is_portable), based on the program
329# specified in manifest file.
330def GetMainProgramFromManifest(env, manifest):
331  obj = json.loads(env.File(manifest).get_contents())
332  program_dict = obj['program']
333  return program_dict[env.subst('${TARGET_FULLARCH}')]['url']
334
335
336# Returns scons node for generated manifest.
337def GeneratedManifestNode(env, manifest):
338  manifest = env.subst(manifest)
339  manifest_base_name = os.path.basename(manifest)
340  main_program = GetMainProgramFromManifest(env, manifest)
341  result = env.File('${STAGING_DIR}/' + manifest_base_name)
342  # Always generate the manifest for nacl_glibc.
343  # For nacl_glibc, generating the mapping of shared libraries is non-trivial.
344  if not env.Bit('nacl_glibc'):
345    env.Install('${STAGING_DIR}', manifest)
346    return result
347  return GenerateManifestDynamicLink(
348      env, '${STAGING_DIR}/' + manifest_base_name,
349      # Note that CopyLibsForExtension() and WhitelistLibsForExtension()
350      # assume that it can find the library list file under this filename.
351      GlibcManifestLibsListFilename(manifest_base_name),
352      manifest,
353      env.File('${STAGING_DIR}/' + os.path.basename(main_program)))
354  return result
355
356
357# Compares output_file and golden_file.
358# If they are different, prints the difference and returns 1.
359# Otherwise, returns 0.
360def CheckGoldenFile(golden_file, output_file,
361                    filter_regex, filter_inverse, filter_group_only):
362  golden = open(golden_file).read()
363  actual = open(output_file).read()
364  if filter_regex is not None:
365    actual = test_lib.RegexpFilterLines(
366        filter_regex,
367        filter_inverse,
368        filter_group_only,
369        actual)
370  if command_tester.DifferentFromGolden(actual, golden, output_file):
371    return 1
372  return 0
373
374
375# Returns action that compares output_file and golden_file.
376# This action can be attached to the node with
377# env.AddPostAction(target, action)
378def GoldenFileCheckAction(env, output_file, golden_file,
379                          filter_regex=None, filter_inverse=False,
380                          filter_group_only=False):
381  def ActionFunc(target, source, env):
382    return CheckGoldenFile(env.subst(golden_file), env.subst(output_file),
383                           filter_regex, filter_inverse, filter_group_only)
384
385  return env.Action(ActionFunc)
386
387
388def PPAPIBrowserTester(env,
389                       target,
390                       url,
391                       files,
392                       nmfs=None,
393                       # List of executable basenames to generate
394                       # manifest files for.
395                       nmf_names=(),
396                       map_files=(),
397                       extensions=(),
398                       mime_types=(),
399                       timeout=30,
400                       log_verbosity=2,
401                       args=[],
402                       # list of key/value pairs that are passed to the test
403                       test_args=(),
404                       # list of "--flag=value" pairs (no spaces!)
405                       browser_flags=None,
406                       # redirect streams of NaCl program to files
407                       nacl_exe_stdin=None,
408                       nacl_exe_stdout=None,
409                       nacl_exe_stderr=None,
410                       python_tester_script=None,
411                       **extra):
412  if 'TRUSTED_ENV' not in env:
413    return []
414
415  # Handle issues with mutating any python default arg lists.
416  if browser_flags is None:
417    browser_flags = []
418
419  # Lint the extra arguments that are being passed to the tester.
420  special_args = ['--ppapi_plugin', '--sel_ldr', '--irt_library', '--file',
421                  '--map_file', '--extension', '--mime_type', '--tool',
422                  '--browser_flag', '--test_arg']
423  for arg_name in special_args:
424    if arg_name in args:
425      raise Exception('%s: %r is a test argument provided by the SCons test'
426                      ' wrapper, do not specify it as an additional argument' %
427                      (target, arg_name))
428
429  env = env.Clone()
430  env.SetupBrowserEnv()
431
432  if 'scale_timeout' in ARGUMENTS:
433    timeout = timeout * int(ARGUMENTS['scale_timeout'])
434
435  if python_tester_script is None:
436    python_tester_script = env.File('${SCONSTRUCT_DIR}/tools/browser_tester'
437                             '/browser_tester.py')
438  command = env.GetHeadlessPrefix() + [
439      '${PYTHON}', python_tester_script,
440      '--browser_path', env.ChromeBinary(),
441      '--url', url,
442      # Fail if there is no response for X seconds.
443      '--timeout', str(timeout)]
444  for dep_file in files:
445    command.extend(['--file', dep_file])
446  for extension in extensions:
447    command.extend(['--extension', extension])
448  for dest_path, dep_file in map_files:
449    command.extend(['--map_file', dest_path, dep_file])
450  for file_ext, mime_type in mime_types:
451    command.extend(['--mime_type', file_ext, mime_type])
452  command.extend(['--serving_dir', '${NACL_SDK_LIB}'])
453  command.extend(['--serving_dir', '${LIB_DIR}'])
454  if 'browser_tester_bw' in ARGUMENTS:
455    command.extend(['-b', ARGUMENTS['browser_tester_bw']])
456  if not nmfs is None:
457    for nmf_file in nmfs:
458      generated_manifest = GeneratedManifestNode(env, nmf_file)
459      # We need to add generated manifests to the list of default targets.
460      # The manifests should be generated even if the tests are not run -
461      # the manifests may be needed for manual testing.
462      for group in env['COMPONENT_TEST_PROGRAM_GROUPS']:
463        env.Alias(group, generated_manifest)
464      # Generated manifests are served in the root of the HTTP server
465      command.extend(['--file', generated_manifest])
466  for nmf_name in nmf_names:
467    tmp_manifest = '%s.tmp/%s.nmf' % (target, nmf_name)
468    command.extend(['--map_file', '%s.nmf' % nmf_name,
469                    env.GenerateSimpleManifest(tmp_manifest, nmf_name)])
470  if 'browser_test_tool' in ARGUMENTS:
471    command.extend(['--tool', ARGUMENTS['browser_test_tool']])
472
473  # Suppress debugging information on the Chrome waterfall.
474  if env.Bit('disable_flaky_tests') and '--debug' in args:
475    args.remove('--debug')
476
477  command.extend(args)
478  for flag in browser_flags:
479    if flag.find(' ') != -1:
480      raise Exception('Spaces not allowed in browser_flags: '
481                      'use --flag=value instead')
482    command.extend(['--browser_flag', flag])
483  for key, value in test_args:
484    command.extend(['--test_arg', str(key), str(value)])
485
486  # Set a given file to be the nexe's stdin.
487  if nacl_exe_stdin is not None:
488    command.extend(['--nacl_exe_stdin', env.subst(nacl_exe_stdin['file'])])
489
490  post_actions = []
491  side_effects = []
492  # Set a given file to be the nexe's stdout or stderr.  The tester also
493  # compares this output against a golden file.
494  for stream, params in (
495      ('stdout', nacl_exe_stdout),
496      ('stderr', nacl_exe_stderr)):
497    if params is None:
498      continue
499    stream_file = env.subst(params['file'])
500    side_effects.append(stream_file)
501    command.extend(['--nacl_exe_' + stream, stream_file])
502    if 'golden' in params:
503      golden_file = env.subst(params['golden'])
504      filter_regex = params.get('filter_regex', None)
505      filter_inverse = params.get('filter_inverse', False)
506      filter_group_only = params.get('filter_group_only', False)
507      post_actions.append(
508          GoldenFileCheckAction(
509              env, stream_file, golden_file,
510              filter_regex, filter_inverse, filter_group_only))
511
512  if env.ShouldUseVerboseOptions(extra):
513    env.MakeVerboseExtraOptions(target, log_verbosity, extra)
514  # Heuristic for when to capture output...
515  capture_output = (extra.pop('capture_output', False)
516                    or 'process_output_single' in extra)
517  node = env.CommandTest(target,
518                         command,
519                         # Set to 'huge' so that the browser tester's timeout
520                         # takes precedence over the default of the test_suite.
521                         size='huge',
522                         capture_output=capture_output,
523                         **extra)
524  for side_effect in side_effects:
525    env.SideEffect(side_effect, node)
526  # We can't check output if the test is not run.
527  if not env.Bit('do_not_run_tests'):
528    for action in post_actions:
529      env.AddPostAction(node, action)
530  return node
531
532pre_base_env.AddMethod(PPAPIBrowserTester)
533
534
535# Disabled for ARM and MIPS because Chrome binaries for ARM and MIPS are not
536# available.
537def PPAPIBrowserTesterIsBroken(env):
538  return env.Bit('target_arm') or env.Bit('target_mips32')
539
540pre_base_env.AddMethod(PPAPIBrowserTesterIsBroken)
541
542# 3D is disabled everywhere
543def PPAPIGraphics3DIsBroken(env):
544  return True
545
546pre_base_env.AddMethod(PPAPIGraphics3DIsBroken)
547
548
549def AddChromeFilesFromGroup(env, file_group):
550  env['BUILD_SCONSCRIPTS'] = ExtendFileList(
551      env.get('BUILD_SCONSCRIPTS', []),
552      ppapi_scons_files[file_group])
553
554pre_base_env.AddMethod(AddChromeFilesFromGroup)
555