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// Copyright 2016 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdlib.h>
#include "src/main/cpp/startup_options.h"
#include "src/main/cpp/workspace_layout.h"
#include "gtest/gtest.h"
namespace blaze {
class StartupOptionsTest : public ::testing::Test {
protected:
StartupOptionsTest() : workspace_layout_(new WorkspaceLayout()) {}
~StartupOptionsTest() = default;
void SetUp() override {
// This knowingly ignores the possibility of these environment variables
// being unset because we expect our test runner to set them in all cases.
// Otherwise, we'll crash here, but this keeps our code simpler.
old_home_ = getenv("HOME");
old_test_tmpdir_ = getenv("TEST_TMPDIR");
ReinitStartupOptions();
}
void TearDown() override {
setenv("HOME", old_home_.c_str(), 1);
setenv("TEST_TMPDIR", old_test_tmpdir_.c_str(), 1);
}
// Recreates startup_options_ after changes to the environment.
void ReinitStartupOptions() {
startup_options_.reset(new StartupOptions(workspace_layout_.get()));
}
private:
std::unique_ptr<WorkspaceLayout> workspace_layout_;
protected:
std::unique_ptr<StartupOptions> startup_options_;
private:
std::string old_home_;
std::string old_test_tmpdir_;
};
TEST_F(StartupOptionsTest, ProductName) {
ASSERT_EQ("Bazel", startup_options_->product_name);
}
TEST_F(StartupOptionsTest, JavaLoggingOptions) {
ASSERT_EQ("com.google.devtools.build.lib.util.SingleLineFormatter",
startup_options_->java_logging_formatter);
}
TEST_F(StartupOptionsTest, OutputRootPreferTestTmpdirIfSet) {
setenv("HOME", "/nonexistent/home", 1);
setenv("TEST_TMPDIR", "/nonexistent/tmpdir", 1);
ReinitStartupOptions();
ASSERT_EQ("/nonexistent/tmpdir", startup_options_->output_root);
}
TEST_F(StartupOptionsTest, OutputRootUseHomeDirectory) {
setenv("HOME", "/nonexistent/home", 1);
unsetenv("TEST_TMPDIR");
ReinitStartupOptions();
ASSERT_EQ("/nonexistent/home/.cache/bazel", startup_options_->output_root);
}
TEST_F(StartupOptionsTest, OutputRootUseBuiltin) {
// We cannot just unsetenv("HOME") because the logic to compute the output
// root falls back to using the passwd database if HOME is null... and mocking
// that out is hard.
setenv("HOME", "", 1);
unsetenv("TEST_TMPDIR");
ReinitStartupOptions();
ASSERT_EQ("/tmp", startup_options_->output_root);
}
TEST_F(StartupOptionsTest, IsNullaryTest) {
EXPECT_TRUE(startup_options_->IsNullary("--master_bazelrc"));
EXPECT_TRUE(startup_options_->IsNullary("--nomaster_bazelrc"));
EXPECT_FALSE(startup_options_->IsNullary(""));
EXPECT_FALSE(startup_options_->IsNullary("--"));
EXPECT_FALSE(startup_options_->IsNullary("--master_bazelrcascasc"));
string error_msg = std::string("In argument '--master_bazelrc=foo': option ")
+ std::string("'--master_bazelrc' does not take a value");
EXPECT_DEATH(startup_options_->IsNullary("--master_bazelrc=foo"),
error_msg.c_str());
}
TEST_F(StartupOptionsTest, IsUnaryTest) {
EXPECT_FALSE(startup_options_->IsUnary(""));
EXPECT_FALSE(startup_options_->IsUnary("--"));
EXPECT_TRUE(startup_options_->IsUnary("--blazerc=foo"));
EXPECT_TRUE(startup_options_->IsUnary("--blazerc"));
EXPECT_TRUE(startup_options_->IsUnary("--blazerc="));
EXPECT_TRUE(startup_options_->IsUnary("--blazerc"));
EXPECT_FALSE(startup_options_->IsUnary("--blazercfooblah"));
}
} // namespace blaze
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