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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 <sstream>
#include "testing/gtest/include/gtest/gtest.h"
#include "tools/gn/escape.h"
#include "tools/gn/file_template.h"
#include "tools/gn/test_with_scope.h"
TEST(FileTemplate, Static) {
TestWithScope setup;
std::vector<std::string> templates;
templates.push_back("something_static");
FileTemplate t(setup.settings(), templates);
EXPECT_FALSE(t.has_substitutions());
std::vector<std::string> result;
t.Apply(SourceFile("//foo/bar"), &result);
ASSERT_EQ(1u, result.size());
EXPECT_EQ("something_static", result[0]);
}
TEST(FileTemplate, Typical) {
TestWithScope setup;
std::vector<std::string> templates;
templates.push_back("foo/{{source_name_part}}.cc");
templates.push_back("foo/{{source_name_part}}.h");
FileTemplate t(setup.settings(), templates);
EXPECT_TRUE(t.has_substitutions());
std::vector<std::string> result;
t.Apply(SourceFile("//sources/ha.idl"), &result);
ASSERT_EQ(2u, result.size());
EXPECT_EQ("foo/ha.cc", result[0]);
EXPECT_EQ("foo/ha.h", result[1]);
}
TEST(FileTemplate, Weird) {
TestWithScope setup;
std::vector<std::string> templates;
templates.push_back("{{{source}}{{source}}{{");
FileTemplate t(setup.settings(), templates);
EXPECT_TRUE(t.has_substitutions());
std::vector<std::string> result;
t.Apply(SourceFile("//foo/lalala.c"), &result);
ASSERT_EQ(1u, result.size());
EXPECT_EQ("{../../foo/lalala.c../../foo/lalala.c{{", result[0]);
}
TEST(FileTemplate, NinjaExpansions) {
TestWithScope setup;
std::vector<std::string> templates;
templates.push_back("-i");
templates.push_back("{{source}}");
templates.push_back("--out=foo bar\"{{source_name_part}}\".o");
templates.push_back(""); // Test empty string.
FileTemplate t(setup.settings(), templates);
std::ostringstream out;
t.WriteWithNinjaExpansions(out);
#if defined(OS_WIN)
// The third argument should get quoted since it contains a space, and the
// embedded quotes should get shell escaped.
EXPECT_EQ(
" -i ${source} \"--out=foo$ bar\\\"${source_name_part}\\\".o\" \"\"",
out.str());
#else
// On Posix we don't need to quote the whole thing and can escape all
// individual bad chars.
EXPECT_EQ(
" -i ${source} --out=foo\\$ bar\\\"${source_name_part}\\\".o \"\"",
out.str());
#endif
}
TEST(FileTemplate, NinjaVariables) {
TestWithScope setup;
std::vector<std::string> templates;
templates.push_back("-i");
templates.push_back("{{source}}");
templates.push_back("--out=foo bar\"{{source_name_part}}\".o");
templates.push_back("{{source_file_part}}");
templates.push_back("{{source_dir}}");
templates.push_back("{{source_root_relative_dir}}");
templates.push_back("{{source_gen_dir}}");
templates.push_back("{{source_out_dir}}");
FileTemplate t(setup.settings(), templates);
std::ostringstream out;
EscapeOptions options;
options.mode = ESCAPE_NINJA_COMMAND;
t.WriteNinjaVariablesForSubstitution(out, setup.settings(),
SourceFile("//foo/bar.txt"), options);
// Just the variables used above should be written.
EXPECT_EQ(
" source = ../../foo/bar.txt\n"
" source_name_part = bar\n"
" source_file_part = bar.txt\n"
" source_dir = ../../foo\n"
" source_root_rel_dir = foo\n"
" source_gen_dir = gen/foo\n"
" source_out_dir = obj/foo\n",
out.str());
}
// Tests in isolation different types of substitutions and that the right
// things are generated.
TEST(FileTemplate, Substitutions) {
TestWithScope setup;
#define GetSubst(str, what) \
FileTemplate::GetSubstitution(setup.settings(), \
SourceFile(str), \
FileTemplate::Subrange::what)
// Try all possible templates with a normal looking string.
EXPECT_EQ("../../foo/bar/baz.txt", GetSubst("//foo/bar/baz.txt", SOURCE));
EXPECT_EQ("baz", GetSubst("//foo/bar/baz.txt", NAME_PART));
EXPECT_EQ("baz.txt", GetSubst("//foo/bar/baz.txt", FILE_PART));
EXPECT_EQ("../../foo/bar", GetSubst("//foo/bar/baz.txt", SOURCE_DIR));
EXPECT_EQ("foo/bar", GetSubst("//foo/bar/baz.txt", ROOT_RELATIVE_DIR));
EXPECT_EQ("gen/foo/bar", GetSubst("//foo/bar/baz.txt", SOURCE_GEN_DIR));
EXPECT_EQ("obj/foo/bar", GetSubst("//foo/bar/baz.txt", SOURCE_OUT_DIR));
// Operations on an absolute path.
EXPECT_EQ("/baz.txt", GetSubst("/baz.txt", SOURCE));
EXPECT_EQ("/.", GetSubst("/baz.txt", SOURCE_DIR));
EXPECT_EQ("gen", GetSubst("/baz.txt", SOURCE_GEN_DIR));
EXPECT_EQ("obj", GetSubst("/baz.txt", SOURCE_OUT_DIR));
EXPECT_EQ(".", GetSubst("//baz.txt", ROOT_RELATIVE_DIR));
#undef GetSubst
}
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