# Copyright 2008 the V8 project authors. All rights reserved.
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# modification, are permitted provided that the following conditions are
# met:
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#       notice, this list of conditions and the following disclaimer.
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# for py2/py3 compatibility
from __future__ import print_function

import shutil

from testrunner.local import command
from testrunner.local import testsuite
from testrunner.local import utils
from testrunner.objects import testcase

SHELL = 'cctest'


class TestLoader(testsuite.TestLoader):
  def _list_test_filenames(self):
    args = ["--list"] + self.test_config.extra_flags
    shell = self.ctx.platform_shell(SHELL, args, self.test_config.shell_dir)
    cmd = self.ctx.command(
        cmd_prefix=self.test_config.command_prefix, shell=shell, args=args)
    output = cmd.execute()
    # TODO make errors visible (see duplicated code in 'unittests')
    if output.exit_code != 0:
      print(cmd)
      print(output.stdout)
      print(output.stderr)
      return []

    filtered_output = []
    test_prefix = '**>Test: '
    test_total_prefix = 'Total number of tests: '
    tests_total = 0

    for line in output.stdout.strip().splitlines():
      # When the command runs through another executable (e.g. iOS Simulator),
      # it is possible that the stdout will show something else in the same
      # line of the actual test output so it's necessary to harness for that
      # case.
      if test_prefix in line:
        filtered_output.append(line[len(test_prefix):])
      if line.startswith(test_total_prefix):
        tests_total = int(line[len(test_total_prefix):])

    assert (len(filtered_output) > 0)
    assert (len(filtered_output) == tests_total)

    return sorted(filtered_output)


class TestSuite(testsuite.TestSuite):
  def _test_loader_class(self):
    return TestLoader

  def _test_class(self):
    return TestCase


class TestCase(testcase.TestCase):
  def get_shell(self):
    return SHELL

  def _get_files_params(self):
    return [self.name]