Add "create_bundle" target in order to support bundle with gn.

tools/gn/ninja_create_bundle_target_writer_unittest.cc

Index: tools/gn/ninja_create_bundle_target_writer_unittest.cc
diff --git a/tools/gn/ninja_create_bundle_target_writer_unittest.cc b/tools/gn/ninja_create_bundle_target_writer_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..88e6fbab34dd6336befb97e5d0df4f4497bf081b
--- /dev/null
+++ b/tools/gn/ninja_create_bundle_target_writer_unittest.cc
@@ -0,0 +1,173 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "tools/gn/ninja_create_bundle_target_writer.h"
+
+#include <algorithm>
+#include <sstream>
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "tools/gn/target.h"
+#include "tools/gn/test_with_scope.h"
+
+namespace {
+
+void SetupBundleDataDir(BundleData* bundle_data, const std::string& root_dir) {
+  bundle_data->root_dir().assign(root_dir + "/bar.bundle");
+  bundle_data->resources_dir().assign(bundle_data->root_dir() + "/Resources");
+  bundle_data->executable_dir().assign(bundle_data->root_dir() + "/Executable");
+  bundle_data->plugins_dir().assign(bundle_data->root_dir() + "/PlugIns");
+}
+
+}  // namespace
+
+// Tests multiple files with an output pattern.
+TEST(NinjaCreateBundleTargetWriter, Run) {
+  TestWithScope setup;
+  Err err;
+
+  setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
+  Target target(setup.settings(), Label(SourceDir("//baz/"), "bar"));
+  target.set_output_type(Target::CREATE_BUNDLE);
+
+  SetupBundleDataDir(&target.bundle_data(), "//out/Debug");
+
+  std::vector<SourceFile> sources;
+  sources.push_back(SourceFile("//foo/input1.txt"));
+  sources.push_back(SourceFile("//foo/input2.txt"));
+  target.bundle_data().file_rules().push_back(BundleFileRule(
+      sources, SubstitutionPattern::MakeForTest(
+                   "{{bundle_resources_dir}}/{{source_file_part}}")));
+
+  target.SetToolchain(setup.toolchain());
+  ASSERT_TRUE(target.OnResolved(&err));
+
+  std::ostringstream out;
+  NinjaCreateBundleTargetWriter writer(&target, out);
+  writer.Run();
+
+  const char expected[] =
+      "build bar.bundle/Resources/input1.txt: copy_bundle_data "
+          "../../foo/input1.txt\n"
+      "build bar.bundle/Resources/input2.txt: copy_bundle_data "
+          "../../foo/input2.txt\n"
+      "\n"
+      "build obj/baz/bar.stamp: stamp "
+          "bar.bundle/Resources/input1.txt "
+          "bar.bundle/Resources/input2.txt\n";
+  std::string out_str = out.str();
+  EXPECT_EQ(expected, out_str);
+}
+
+// Tests multiple files from asset catalog.
+TEST(NinjaCreateBundleTargetWriter, AssetCatalog) {
+  TestWithScope setup;
+  Err err;
+
+  setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
+  Target target(setup.settings(), Label(SourceDir("//baz/"), "bar"));
+  target.set_output_type(Target::CREATE_BUNDLE);
+
+  SetupBundleDataDir(&target.bundle_data(), "//out/Debug");
+
+  std::vector<SourceFile>& asset_catalog_sources =
+      target.bundle_data().asset_catalog_sources();
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/Contents.json"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29.png"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29@2x.png"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29@3x.png"));
+
+  target.SetToolchain(setup.toolchain());
+  ASSERT_TRUE(target.OnResolved(&err));
+
+  std::ostringstream out;
+  NinjaCreateBundleTargetWriter writer(&target, out);
+  writer.Run();
+
+  const char expected[] =
+      "build bar.bundle/Resources/Assets.car: compile_xcassets "
+          "../../foo/Foo.xcassets | "
+          "../../foo/Foo.xcassets/foo.imageset/Contents.json "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29.png "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29@2x.png "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29@3x.png\n"
+      "\n"
+      "build obj/baz/bar.stamp: stamp bar.bundle/Resources/Assets.car\n";
+  std::string out_str = out.str();
+  EXPECT_EQ(expected, out_str);
+}
+
+// Tests complex target with multiple bundle_data sources, including
+// some asset catalog.
+TEST(NinjaCreateBundleTargetWriter, OrderOnlyDeps) {
+  TestWithScope setup;
+  Err err;
+
+  setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
+  Target target(setup.settings(), Label(SourceDir("//baz/"), "bar"));
+  target.set_output_type(Target::CREATE_BUNDLE);
+
+  SetupBundleDataDir(&target.bundle_data(), "//out/Debug");
+
+  std::vector<SourceFile> sources1;
+  sources1.push_back(SourceFile("//foo/input1.txt"));
+  sources1.push_back(SourceFile("//foo/input2.txt"));
+  target.bundle_data().file_rules().push_back(BundleFileRule(
+      sources1, SubstitutionPattern::MakeForTest(
+                    "{{bundle_resources_dir}}/{{source_file_part}}")));
+
+  std::vector<SourceFile> sources2;
+  sources2.push_back(SourceFile("//qux/Info.plist"));
+  target.bundle_data().file_rules().push_back(BundleFileRule(
+      sources2,
+      SubstitutionPattern::MakeForTest("{{bundle_root_dir}}/Info.plist")));
+
+  std::vector<SourceFile> empty_source;
+  target.bundle_data().file_rules().push_back(BundleFileRule(
+      empty_source, SubstitutionPattern::MakeForTest(
+                        "{{bundle_plugins_dir}}/{{source_file_part}}")));
+
+  std::vector<SourceFile>& asset_catalog_sources =
+      target.bundle_data().asset_catalog_sources();
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/Contents.json"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29.png"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29@2x.png"));
+  asset_catalog_sources.push_back(
+      SourceFile("//foo/Foo.xcassets/foo.imageset/FooIcon-29@3x.png"));
+
+  target.SetToolchain(setup.toolchain());
+  ASSERT_TRUE(target.OnResolved(&err));
+
+  std::ostringstream out;
+  NinjaCreateBundleTargetWriter writer(&target, out);
+  writer.Run();
+
+  const char expected[] =
+      "build bar.bundle/Resources/input1.txt: copy_bundle_data "
+          "../../foo/input1.txt\n"
+      "build bar.bundle/Resources/input2.txt: copy_bundle_data "
+          "../../foo/input2.txt\n"
+      "build bar.bundle/Info.plist: copy_bundle_data ../../qux/Info.plist\n"
+      "build bar.bundle/Resources/Assets.car: compile_xcassets "
+          "../../foo/Foo.xcassets | "
+          "../../foo/Foo.xcassets/foo.imageset/Contents.json "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29.png "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29@2x.png "
+          "../../foo/Foo.xcassets/foo.imageset/FooIcon-29@3x.png\n"
+      "\n"
+      "build obj/baz/bar.stamp: stamp "
+          "bar.bundle/Resources/input1.txt "
+          "bar.bundle/Resources/input2.txt "
+          "bar.bundle/Info.plist "
+          "bar.bundle/Resources/Assets.car\n";
+  std::string out_str = out.str();
+  EXPECT_EQ(expected, out_str);
+}