Fuchsia: Build an OS image that includes Dart's test suite.

tools/gen_fuchsia_test_manifest.py

Index: tools/gen_fuchsia_test_manifest.py
diff --git a/tools/gen_fuchsia_test_manifest.py b/tools/gen_fuchsia_test_manifest.py
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+#!/usr/bin/env python
+# Copyright 2017 The Dart project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This script creates a qemu image manifest for Fuchsia that contains the
+# Dart tree. In particular in contains Dart's test suite, and test harness.
+
+import argparse
+import json
+import os
+import sys
+import utils
+
+SCRIPT_DIR = os.path.dirname(sys.argv[0])
+DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
+FUCHSIA_ROOT= os.path.realpath(os.path.join(DART_ROOT, '..'))
+
+FUCHSIA_TEST_MANIFEST_PREFIX = os.path.join('test', 'dart')
+
+EXCLUDE_DIRS = [ '.git', 'out', '.jiri' ]
+
+BINARY_FILES = [ 'dart', 'run_vm_tests', 'process_test' ]
+
+def parse_args(args):
+  args = args[1:]
+  parser = argparse.ArgumentParser(
+      description='A script that generates Dart/Fuchsia test commands.')
+
+  parser.add_argument('--arch', '-a',
+      type=str,
+      help='Target architectures (comma-separated).',
+      metavar='[x64]',
+      default='x64')
+  parser.add_argument('--mode', '-m',
+      type=str,
+      help='Build variant',
+      metavar='[debug,release]',
+      default='debug')
+  parser.add_argument('--output', '-o',
+      type=str,
+      help='Path to output file prefix.')
+  parser.add_argument('--user-manifest', '-u',
+      type=str,
+      help='Path to base userspace manifest.')
+  parser.add_argument("-v", "--verbose",
+      help='Verbose output.',
+      default=False,
+      action="store_true")
+
+  return parser.parse_args(args)
+
+
+def fuchsia_arch(arch):
+  if arch is 'x64':
+    return 'x86-64'
+  return None
+
+
+def main(argv):
+  args = parse_args(argv)
+
+  manifest_output = args.output + '.manifest'
+  with open(manifest_output, 'w') as manifest:
+    # First copy the main user manifest.
+    with open(args.user_manifest, 'r') as user_manifest:
+      for line in user_manifest:
+        if '=' in line:
+          manifest.write(line)
+
+    # Now, write the Dart tree.
+    for root, dirs, files in os.walk(DART_ROOT):
+      dirs[:] = [d for d in dirs if d not in EXCLUDE_DIRS]
+      for file in files:
+        filepath = os.path.join(root, file)
+        relpath = filepath[len(DART_ROOT) + 1:]
+        fuchsiapath = os.path.join(FUCHSIA_TEST_MANIFEST_PREFIX, relpath)
+        manifest.write('%s=%s\n' % (fuchsiapath, os.path.join(root, file)))
+
+    dart_conf = utils.GetBuildConf(args.mode, args.arch)
+    dart_out = os.path.join(FUCHSIA_TEST_MANIFEST_PREFIX, 'out', dart_conf)
+    fuchsia_conf = '%s-%s' % (args.mode, fuchsia_arch(args.arch))
+    fuchsia_out = os.path.join(FUCHSIA_ROOT, 'out', fuchsia_conf)
+    for file in BINARY_FILES:
+      manifest.write('%s=%s\n' % (os.path.join(dart_out, file),
+                                  os.path.join(fuchsia_out, file)))
+
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))