blob: 682de45d6b7581729e99fcbe1030c6146823dc08 [file] [log] [blame]
// Copyright 2014 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 <sstream>
#include "gn/ninja_action_target_writer.h"
#include "gn/ninja_target_writer.h"
#include "gn/target.h"
#include "gn/test_with_scope.h"
#include "util/test/test.h"
namespace {
class TestingNinjaTargetWriter : public NinjaTargetWriter {
public:
TestingNinjaTargetWriter(const Target* target,
const Toolchain* toolchain,
std::ostream& out)
: NinjaTargetWriter(target, out) {}
void Run() override {}
// Make this public so the test can call it.
std::vector<OutputFile> WriteInputDepsStampAndGetDep(
const std::vector<const Target*>& additional_hard_deps,
size_t num_stamp_uses) {
return NinjaTargetWriter::WriteInputDepsStampAndGetDep(additional_hard_deps,
num_stamp_uses);
}
};
} // namespace
TEST(NinjaTargetWriter, ResolvedCreatedOnDemand) {
TestWithScope setup;
Err err;
// Make a base target that's a hard dep (action).
Target base_target(setup.settings(), Label(SourceDir("//foo/"), "base"));
base_target.set_output_type(Target::ACTION);
base_target.visibility().SetPublic();
base_target.SetToolchain(setup.toolchain());
base_target.action_values().set_script(SourceFile("//foo/script.py"));
ASSERT_TRUE(base_target.OnResolved(&err));
std::ostringstream stream;
TestingNinjaTargetWriter writer(&base_target, setup.toolchain(), stream);
const auto* resolved_ptr = &writer.resolved();
ASSERT_TRUE(resolved_ptr);
// Same address should be returned on second call.
EXPECT_EQ(resolved_ptr, &writer.resolved());
}
TEST(NinjaTargetWriter, ResolvedSetExplicitly) {
TestWithScope setup;
Err err;
// Make a base target that's a hard dep (action).
Target base_target(setup.settings(), Label(SourceDir("//foo/"), "base"));
base_target.set_output_type(Target::ACTION);
base_target.visibility().SetPublic();
base_target.SetToolchain(setup.toolchain());
base_target.action_values().set_script(SourceFile("//foo/script.py"));
ASSERT_TRUE(base_target.OnResolved(&err));
ResolvedTargetData resolved;
std::ostringstream stream;
TestingNinjaTargetWriter writer(&base_target, setup.toolchain(), stream);
writer.SetResolvedTargetData(&resolved);
EXPECT_EQ(&resolved, &writer.resolved());
}
TEST(NinjaTargetWriter, WriteInputDepsStampAndGetDep) {
TestWithScope setup;
Err err;
// Make a base target that's a hard dep (action).
Target base_target(setup.settings(), Label(SourceDir("//foo/"), "base"));
base_target.set_output_type(Target::ACTION);
base_target.visibility().SetPublic();
base_target.SetToolchain(setup.toolchain());
base_target.action_values().set_script(SourceFile("//foo/script.py"));
// Dependent target that also includes a source prerequisite (should get
// included) and a source (should not be included).
Target target(setup.settings(), Label(SourceDir("//foo/"), "target"));
target.set_output_type(Target::EXECUTABLE);
target.visibility().SetPublic();
target.SetToolchain(setup.toolchain());
target.config_values().inputs().push_back(SourceFile("//foo/input.txt"));
target.sources().push_back(SourceFile("//foo/source.txt"));
target.public_deps().push_back(LabelTargetPair(&base_target));
// Dependent action to test that action sources will be treated the same as
// inputs.
Target action(setup.settings(), Label(SourceDir("//foo/"), "action"));
action.set_output_type(Target::ACTION);
action.visibility().SetPublic();
action.SetToolchain(setup.toolchain());
action.action_values().set_script(SourceFile("//foo/script.py"));
action.sources().push_back(SourceFile("//foo/action_source.txt"));
action.public_deps().push_back(LabelTargetPair(&target));
ASSERT_TRUE(base_target.OnResolved(&err));
ASSERT_TRUE(target.OnResolved(&err));
ASSERT_TRUE(action.OnResolved(&err));
// Input deps for the base (should be only the script itself).
{
std::ostringstream stream;
TestingNinjaTargetWriter writer(&base_target, setup.toolchain(), stream);
std::vector<OutputFile> dep =
writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>(), 10u);
// Since there is only one dependency, it should just be returned and
// nothing written to the stream.
ASSERT_EQ(1u, dep.size());
EXPECT_EQ("../../foo/script.py", dep[0].value());
EXPECT_EQ("", stream.str());
}
// Input deps for the target (should depend on the base).
{
std::ostringstream stream;
TestingNinjaTargetWriter writer(&target, setup.toolchain(), stream);
std::vector<OutputFile> dep =
writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>(), 10u);
// Since there is only one dependency, a stamp file will be returned
// directly without writing any additional rules.
ASSERT_EQ(1u, dep.size());
EXPECT_EQ("obj/foo/base.stamp", dep[0].value());
}
{
std::ostringstream stream;
NinjaActionTargetWriter writer(&action, stream);
writer.Run();
EXPECT_EQ(
"rule __foo_action___rule\n"
" command = ../../foo/script.py\n"
" description = ACTION //foo:action()\n"
" restat = 1\n"
"\n"
"build: __foo_action___rule | ../../foo/script.py"
" ../../foo/action_source.txt ./target\n"
"\n"
"build obj/foo/action.stamp: stamp\n",
stream.str());
}
// Input deps for action which should depend on the base since its a hard dep
// that is a (indirect) dependency, as well as the the action source.
{
std::ostringstream stream;
TestingNinjaTargetWriter writer(&action, setup.toolchain(), stream);
std::vector<OutputFile> dep =
writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>(), 10u);
ASSERT_EQ(1u, dep.size());
EXPECT_EQ("obj/foo/action.inputdeps.stamp", dep[0].value());
EXPECT_EQ(
"build obj/foo/action.inputdeps.stamp: stamp ../../foo/script.py "
"../../foo/action_source.txt ./target\n",
stream.str());
}
}
// Tests WriteInputDepsStampAndGetDep when toolchain deps are present.
TEST(NinjaTargetWriter, WriteInputDepsStampAndGetDepWithToolchainDeps) {
TestWithScope setup;
Err err;
// Toolchain dependency. Here we make a target in the same toolchain for
// simplicity, but in real life (using the Builder) this would be rejected
// because it would be a circular dependency (the target depends on its
// toolchain, and the toolchain depends on this target).
Target toolchain_dep_target(setup.settings(),
Label(SourceDir("//foo/"), "setup"));
toolchain_dep_target.set_output_type(Target::ACTION);
toolchain_dep_target.SetToolchain(setup.toolchain());
ASSERT_TRUE(toolchain_dep_target.OnResolved(&err));
setup.toolchain()->deps().push_back(LabelTargetPair(&toolchain_dep_target));
// Make a binary target
Target target(setup.settings(), Label(SourceDir("//foo/"), "target"));
target.set_output_type(Target::EXECUTABLE);
target.SetToolchain(setup.toolchain());
ASSERT_TRUE(target.OnResolved(&err));
std::ostringstream stream;
TestingNinjaTargetWriter writer(&target, setup.toolchain(), stream);
std::vector<OutputFile> dep =
writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>(), 10u);
// Since there is more than one dependency, a stamp file will be returned
// and the rule for the stamp file will be written to the stream.
ASSERT_EQ(1u, dep.size());
EXPECT_EQ("obj/foo/setup.stamp", dep[0].value());
EXPECT_EQ("", stream.str());
}