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function_rebase_path_unittest.cc
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// Copyright (c) 2013 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 "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "tools/gn/functions.h"
#include "tools/gn/parse_tree.h"
#include "tools/gn/test_with_scope.h"
namespace {
std::string RebaseOne(Scope* scope,
const char* input,
const char* to_dir,
const char* from_dir) {
std::vector<Value> args;
args.push_back(Value(nullptr, input));
args.push_back(Value(nullptr, to_dir));
args.push_back(Value(nullptr, from_dir));
Err err;
FunctionCallNode function;
Value result = functions::RunRebasePath(scope, &function, args, &err);
bool is_string = result.type() == Value::STRING;
EXPECT_TRUE(is_string);
return result.string_value();
}
} // namespace
TEST(RebasePath, Strings) {
TestWithScope setup;
setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
Scope* scope = setup.scope();
scope->set_source_dir(SourceDir("//tools/gn/"));
// Build-file relative paths.
EXPECT_EQ("../../tools/gn", RebaseOne(scope, ".", "//out/Debug", "."));
EXPECT_EQ("../../tools/gn/", RebaseOne(scope, "./", "//out/Debug", "."));
EXPECT_EQ("../../tools/gn/foo", RebaseOne(scope, "foo", "//out/Debug", "."));
EXPECT_EQ("../..", RebaseOne(scope, "../..", "//out/Debug", "."));
EXPECT_EQ("../../", RebaseOne(scope, "../../", "//out/Debug", "."));
// Without a source root defined, we cannot move out of the source tree.
EXPECT_EQ("../..", RebaseOne(scope, "../../..", "//out/Debug", "."));
// Source-absolute input paths.
EXPECT_EQ("./", RebaseOne(scope, "//", "//", "//"));
EXPECT_EQ("foo", RebaseOne(scope, "//foo", "//", "//"));
EXPECT_EQ("foo/", RebaseOne(scope, "//foo/", "//", "//"));
EXPECT_EQ("../../foo/bar", RebaseOne(scope, "//foo/bar", "//out/Debug", "."));
EXPECT_EQ("./", RebaseOne(scope, "//foo/", "//foo/", "//"));
// Thie one is technically correct but could be simplified to "." if
// necessary.
EXPECT_EQ("../foo", RebaseOne(scope, "//foo", "//foo", "//"));
// Test slash conversion.
EXPECT_EQ("foo/bar", RebaseOne(scope, "foo/bar", ".", "."));
EXPECT_EQ("foo/bar", RebaseOne(scope, "foo\\bar", ".", "."));
// Test system path output.
#if defined(OS_WIN)
setup.build_settings()->SetRootPath(base::FilePath(L"C:/path/to/src"));
EXPECT_EQ("C:/path/to/src", RebaseOne(scope, ".", "", "//"));
EXPECT_EQ("C:/path/to/src/", RebaseOne(scope, "//", "", "//"));
EXPECT_EQ("C:/path/to/src/foo", RebaseOne(scope, "foo", "", "//"));
EXPECT_EQ("C:/path/to/src/foo/", RebaseOne(scope, "foo/", "", "//"));
EXPECT_EQ("C:/path/to/src/tools/gn/foo", RebaseOne(scope, "foo", "", "."));
EXPECT_EQ("C:/path/to/other/tools",
RebaseOne(scope, "//../other/tools", "", "//"));
EXPECT_EQ("C:/path/to/src/foo/bar",
RebaseOne(scope, "//../src/foo/bar", "", "//"));
EXPECT_EQ("C:/path/to", RebaseOne(scope, "//..", "", "//"));
EXPECT_EQ("C:/path", RebaseOne(scope, "../../../..", "", "."));
EXPECT_EQ("C:/path/to/external/dir/",
RebaseOne(scope, "//../external/dir/", "", "//"));
#else
setup.build_settings()->SetRootPath(base::FilePath("/path/to/src"));
EXPECT_EQ("/path/to/src", RebaseOne(scope, ".", "", "//"));
EXPECT_EQ("/path/to/src/", RebaseOne(scope, "//", "", "//"));
EXPECT_EQ("/path/to/src/foo", RebaseOne(scope, "foo", "", "//"));
EXPECT_EQ("/path/to/src/foo/", RebaseOne(scope, "foo/", "", "//"));
EXPECT_EQ("/path/to/src/tools/gn/foo", RebaseOne(scope, "foo", "", "."));
EXPECT_EQ("/path/to/other/tools",
RebaseOne(scope, "//../other/tools", "", "//"));
EXPECT_EQ("/path/to/src/foo/bar",
RebaseOne(scope, "//../src/foo/bar", "", "//"));
EXPECT_EQ("/path/to", RebaseOne(scope, "//..", "", "//"));
EXPECT_EQ("/path", RebaseOne(scope, "../../../..", "", "."));
EXPECT_EQ("/path/to/external/dir/",
RebaseOne(scope, "//../external/dir/", "", "//"));
#endif
}
TEST(RebasePath, StringsSystemPaths) {
TestWithScope setup;
Scope* scope = setup.scope();
#if defined(OS_WIN)
setup.build_settings()->SetBuildDir(SourceDir("C:/ssd/out/Debug"));
setup.build_settings()->SetRootPath(base::FilePath(L"C:/hdd/src"));
// Test system absolute to-dir.
EXPECT_EQ("../../ssd/out/Debug",
RebaseOne(scope, ".", "//", "C:/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/",
RebaseOne(scope, "./", "//", "C:/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/foo",
RebaseOne(scope, "foo", "//", "C:/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/foo/",
RebaseOne(scope, "foo/", "//", "C:/ssd/out/Debug"));
// Test system absolute from-dir.
EXPECT_EQ("../../../hdd/src",
RebaseOne(scope, ".", "C:/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/",
RebaseOne(scope, "./", "C:/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/foo",
RebaseOne(scope, "foo", "C:/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/foo/",
RebaseOne(scope, "foo/", "C:/ssd/out/Debug", "//"));
#else
setup.build_settings()->SetBuildDir(SourceDir("/ssd/out/Debug"));
setup.build_settings()->SetRootPath(base::FilePath("/hdd/src"));
// Test system absolute to-dir.
EXPECT_EQ("../../ssd/out/Debug",
RebaseOne(scope, ".", "//", "/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/",
RebaseOne(scope, "./", "//", "/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/foo",
RebaseOne(scope, "foo", "//", "/ssd/out/Debug"));
EXPECT_EQ("../../ssd/out/Debug/foo/",
RebaseOne(scope, "foo/", "//", "/ssd/out/Debug"));
// Test system absolute from-dir.
EXPECT_EQ("../../../hdd/src",
RebaseOne(scope, ".", "/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/",
RebaseOne(scope, "./", "/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/foo",
RebaseOne(scope, "foo", "/ssd/out/Debug", "//"));
EXPECT_EQ("../../../hdd/src/foo/",
RebaseOne(scope, "foo/", "/ssd/out/Debug", "//"));
#endif
}
// Test list input.
TEST(RebasePath, List) {
TestWithScope setup;
setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
setup.scope()->set_source_dir(SourceDir("//tools/gn/"));
std::vector<Value> args;
args.push_back(Value(nullptr, Value::LIST));
args[0].list_value().push_back(Value(nullptr, "foo.txt"));
args[0].list_value().push_back(Value(nullptr, "bar.txt"));
args.push_back(Value(nullptr, "//out/Debug/"));
args.push_back(Value(nullptr, "."));
Err err;
FunctionCallNode function;
Value ret = functions::RunRebasePath(setup.scope(), &function, args, &err);
EXPECT_FALSE(err.has_error());
ASSERT_EQ(Value::LIST, ret.type());
ASSERT_EQ(2u, ret.list_value().size());
EXPECT_EQ("../../tools/gn/foo.txt", ret.list_value()[0].string_value());
EXPECT_EQ("../../tools/gn/bar.txt", ret.list_value()[1].string_value());
}
TEST(RebasePath, Errors) {
TestWithScope setup;
setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
// No arg input should issue an error.
Err err;
std::vector<Value> args;
FunctionCallNode function;
Value ret = functions::RunRebasePath(setup.scope(), &function, args, &err);
EXPECT_TRUE(err.has_error());
}