llvm-project/clang/unittests/Tooling/ReplacementsYamlTest.cpp

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C++

//===- unittests/Tooling/ReplacementsYamlTest.cpp - Serialization tests ---===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Tests for serialization of Replacements.
//
//===----------------------------------------------------------------------===//
#include "clang/Tooling/ReplacementsYaml.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang::tooling;
TEST(ReplacementsYamlTest, serializesReplacements) {
TranslationUnitReplacements Doc;
Doc.MainSourceFile = "/path/to/source.cpp";
Doc.Replacements.emplace_back("/path/to/file1.h", 232, 56, "replacement #1");
Doc.Replacements.emplace_back("/path/to/file2.h", 301, 2, "replacement #2");
std::string YamlContent;
llvm::raw_string_ostream YamlContentStream(YamlContent);
yaml::Output YAML(YamlContentStream);
YAML << Doc;
// NOTE: If this test starts to fail for no obvious reason, check whitespace.
ASSERT_STREQ("---\n"
"MainSourceFile: '/path/to/source.cpp'\n"
"Replacements:\n"
" - FilePath: '/path/to/file1.h'\n"
" Offset: 232\n"
" Length: 56\n"
" ReplacementText: 'replacement #1'\n"
" - FilePath: '/path/to/file2.h'\n"
" Offset: 301\n"
" Length: 2\n"
" ReplacementText: 'replacement #2'\n"
"...\n",
YamlContentStream.str().c_str());
}
TEST(ReplacementsYamlTest, serializesNewLines) {
TranslationUnitReplacements Doc;
Doc.MainSourceFile = "/path/to/source.cpp";
Doc.Replacements.emplace_back("/path/to/file1.h", 0, 0, "#include <utility>\n");
std::string YamlContent;
llvm::raw_string_ostream YamlContentStream(YamlContent);
yaml::Output YAML(YamlContentStream);
YAML << Doc;
// NOTE: If this test starts to fail for no obvious reason, check whitespace.
ASSERT_STREQ("---\n"
"MainSourceFile: '/path/to/source.cpp'\n"
"Replacements:\n"
" - FilePath: '/path/to/file1.h'\n"
" Offset: 0\n"
" Length: 0\n"
" ReplacementText: \"#include <utility>\\n\"\n"
"...\n",
YamlContentStream.str().c_str());
}
TEST(ReplacementsYamlTest, deserializesReplacements) {
std::string YamlContent = "---\n"
"MainSourceFile: /path/to/source.cpp\n"
"Replacements:\n"
" - FilePath: /path/to/file1.h\n"
" Offset: 232\n"
" Length: 56\n"
" ReplacementText: 'replacement #1'\n"
" - FilePath: /path/to/file2.h\n"
" Offset: 301\n"
" Length: 2\n"
" ReplacementText: 'replacement #2'\n"
"...\n";
TranslationUnitReplacements DocActual;
yaml::Input YAML(YamlContent);
YAML >> DocActual;
ASSERT_FALSE(YAML.error());
ASSERT_EQ(2u, DocActual.Replacements.size());
ASSERT_EQ("/path/to/source.cpp", DocActual.MainSourceFile);
ASSERT_EQ("/path/to/file1.h", DocActual.Replacements[0].getFilePath());
ASSERT_EQ(232u, DocActual.Replacements[0].getOffset());
ASSERT_EQ(56u, DocActual.Replacements[0].getLength());
ASSERT_EQ("replacement #1", DocActual.Replacements[0].getReplacementText());
ASSERT_EQ("/path/to/file2.h", DocActual.Replacements[1].getFilePath());
ASSERT_EQ(301u, DocActual.Replacements[1].getOffset());
ASSERT_EQ(2u, DocActual.Replacements[1].getLength());
ASSERT_EQ("replacement #2", DocActual.Replacements[1].getReplacementText());
}
TEST(ReplacementsYamlTest, deserializesWithoutContext) {
// Make sure a doc can be read without the context field.
std::string YamlContent = "---\n"
"MainSourceFile: /path/to/source.cpp\n"
"Replacements:\n"
" - FilePath: target_file.h\n"
" Offset: 1\n"
" Length: 10\n"
" ReplacementText: replacement\n"
"...\n";
TranslationUnitReplacements DocActual;
yaml::Input YAML(YamlContent);
YAML >> DocActual;
ASSERT_FALSE(YAML.error());
ASSERT_EQ("/path/to/source.cpp", DocActual.MainSourceFile);
ASSERT_EQ(1u, DocActual.Replacements.size());
ASSERT_EQ("target_file.h", DocActual.Replacements[0].getFilePath());
ASSERT_EQ(1u, DocActual.Replacements[0].getOffset());
ASSERT_EQ(10u, DocActual.Replacements[0].getLength());
ASSERT_EQ("replacement", DocActual.Replacements[0].getReplacementText());
}