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Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/importer_unittest.cc')
| -rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/importer_unittest.cc | 522 |
1 files changed, 0 insertions, 522 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/importer_unittest.cc b/third_party/protobuf/src/google/protobuf/compiler/importer_unittest.cc deleted file mode 100644 index be19aa2e60..0000000000 --- a/third_party/protobuf/src/google/protobuf/compiler/importer_unittest.cc +++ /dev/null @@ -1,522 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Author: kenton@google.com (Kenton Varda) -// Based on original Protocol Buffers design by -// Sanjay Ghemawat, Jeff Dean, and others. - -#include <google/protobuf/stubs/hash.h> -#include <memory> -#ifndef _SHARED_PTR_H -#include <google/protobuf/stubs/shared_ptr.h> -#endif - -#include <google/protobuf/compiler/importer.h> -#include <google/protobuf/descriptor.h> -#include <google/protobuf/testing/file.h> -#include <google/protobuf/io/zero_copy_stream_impl.h> - -#include <google/protobuf/stubs/map_util.h> -#include <google/protobuf/stubs/logging.h> -#include <google/protobuf/stubs/common.h> -#include <google/protobuf/testing/file.h> -#include <google/protobuf/stubs/strutil.h> -#include <google/protobuf/stubs/substitute.h> -#include <google/protobuf/testing/googletest.h> -#include <gtest/gtest.h> - -namespace google { -namespace protobuf { -namespace compiler { - -namespace { - -bool FileExists(const string& path) { - return File::Exists(path); -} - -#define EXPECT_SUBSTRING(needle, haystack) \ - EXPECT_PRED_FORMAT2(testing::IsSubstring, (needle), (haystack)) - -class MockErrorCollector : public MultiFileErrorCollector { - public: - MockErrorCollector() {} - ~MockErrorCollector() {} - - string text_; - string warning_text_; - - // implements ErrorCollector --------------------------------------- - void AddError(const string& filename, int line, int column, - const string& message) { - strings::SubstituteAndAppend(&text_, "$0:$1:$2: $3\n", - filename, line, column, message); - } - - void AddWarning(const string& filename, int line, int column, - const string& message) { - strings::SubstituteAndAppend(&warning_text_, "$0:$1:$2: $3\n", - filename, line, column, message); - } -}; - -// ------------------------------------------------------------------- - -// A dummy implementation of SourceTree backed by a simple map. -class MockSourceTree : public SourceTree { - public: - MockSourceTree() {} - ~MockSourceTree() {} - - void AddFile(const string& name, const char* contents) { - files_[name] = contents; - } - - // implements SourceTree ------------------------------------------- - io::ZeroCopyInputStream* Open(const string& filename) { - const char* contents = FindPtrOrNull(files_, filename); - if (contents == NULL) { - return NULL; - } else { - return new io::ArrayInputStream(contents, strlen(contents)); - } - } - - string GetLastErrorMessage() { - return "File not found."; - } - - private: - hash_map<string, const char*> files_; -}; - -// =================================================================== - -class ImporterTest : public testing::Test { - protected: - ImporterTest() - : importer_(&source_tree_, &error_collector_) {} - - void AddFile(const string& filename, const char* text) { - source_tree_.AddFile(filename, text); - } - - // Return the collected error text - string error() const { return error_collector_.text_; } - string warning() const { return error_collector_.warning_text_; } - - MockErrorCollector error_collector_; - MockSourceTree source_tree_; - Importer importer_; -}; - -TEST_F(ImporterTest, Import) { - // Test normal importing. - AddFile("foo.proto", - "syntax = \"proto2\";\n" - "message Foo {}\n"); - - const FileDescriptor* file = importer_.Import("foo.proto"); - EXPECT_EQ("", error_collector_.text_); - ASSERT_TRUE(file != NULL); - - ASSERT_EQ(1, file->message_type_count()); - EXPECT_EQ("Foo", file->message_type(0)->name()); - - // Importing again should return same object. - EXPECT_EQ(file, importer_.Import("foo.proto")); -} - -TEST_F(ImporterTest, ImportNested) { - // Test that importing a file which imports another file works. - AddFile("foo.proto", - "syntax = \"proto2\";\n" - "import \"bar.proto\";\n" - "message Foo {\n" - " optional Bar bar = 1;\n" - "}\n"); - AddFile("bar.proto", - "syntax = \"proto2\";\n" - "message Bar {}\n"); - - // Note that both files are actually parsed by the first call to Import() - // here, since foo.proto imports bar.proto. The second call just returns - // the same ProtoFile for bar.proto which was constructed while importing - // foo.proto. We test that this is the case below by checking that bar - // is among foo's dependencies (by pointer). - const FileDescriptor* foo = importer_.Import("foo.proto"); - const FileDescriptor* bar = importer_.Import("bar.proto"); - EXPECT_EQ("", error_collector_.text_); - ASSERT_TRUE(foo != NULL); - ASSERT_TRUE(bar != NULL); - - // Check that foo's dependency is the same object as bar. - ASSERT_EQ(1, foo->dependency_count()); - EXPECT_EQ(bar, foo->dependency(0)); - - // Check that foo properly cross-links bar. - ASSERT_EQ(1, foo->message_type_count()); - ASSERT_EQ(1, bar->message_type_count()); - ASSERT_EQ(1, foo->message_type(0)->field_count()); - ASSERT_EQ(FieldDescriptor::TYPE_MESSAGE, - foo->message_type(0)->field(0)->type()); - EXPECT_EQ(bar->message_type(0), - foo->message_type(0)->field(0)->message_type()); -} - -TEST_F(ImporterTest, FileNotFound) { - // Error: Parsing a file that doesn't exist. - EXPECT_TRUE(importer_.Import("foo.proto") == NULL); - EXPECT_EQ( - "foo.proto:-1:0: File not found.\n", - error_collector_.text_); -} - -TEST_F(ImporterTest, ImportNotFound) { - // Error: Importing a file that doesn't exist. - AddFile("foo.proto", - "syntax = \"proto2\";\n" - "import \"bar.proto\";\n"); - - EXPECT_TRUE(importer_.Import("foo.proto") == NULL); - EXPECT_EQ( - "bar.proto:-1:0: File not found.\n" - "foo.proto:-1:0: Import \"bar.proto\" was not found or had errors.\n", - error_collector_.text_); -} - -TEST_F(ImporterTest, RecursiveImport) { - // Error: Recursive import. - AddFile("recursive1.proto", - "syntax = \"proto2\";\n" - "import \"recursive2.proto\";\n"); - AddFile("recursive2.proto", - "syntax = \"proto2\";\n" - "import \"recursive1.proto\";\n"); - - EXPECT_TRUE(importer_.Import("recursive1.proto") == NULL); - EXPECT_EQ( - "recursive1.proto:-1:0: File recursively imports itself: recursive1.proto " - "-> recursive2.proto -> recursive1.proto\n" - "recursive2.proto:-1:0: Import \"recursive1.proto\" was not found " - "or had errors.\n" - "recursive1.proto:-1:0: Import \"recursive2.proto\" was not found " - "or had errors.\n", - error_collector_.text_); -} - - -// =================================================================== - -class DiskSourceTreeTest : public testing::Test { - protected: - virtual void SetUp() { - dirnames_.push_back(TestTempDir() + "/test_proto2_import_path_1"); - dirnames_.push_back(TestTempDir() + "/test_proto2_import_path_2"); - - for (int i = 0; i < dirnames_.size(); i++) { - if (FileExists(dirnames_[i])) { - File::DeleteRecursively(dirnames_[i], NULL, NULL); - } - GOOGLE_CHECK_OK(File::CreateDir(dirnames_[i], 0777)); - } - } - - virtual void TearDown() { - for (int i = 0; i < dirnames_.size(); i++) { - if (FileExists(dirnames_[i])) { - File::DeleteRecursively(dirnames_[i], NULL, NULL); - } - } - } - - void AddFile(const string& filename, const char* contents) { - GOOGLE_CHECK_OK(File::SetContents(filename, contents, true)); - } - - void AddSubdir(const string& dirname) { - GOOGLE_CHECK_OK(File::CreateDir(dirname, 0777)); - } - - void ExpectFileContents(const string& filename, - const char* expected_contents) { - google::protobuf::scoped_ptr<io::ZeroCopyInputStream> input(source_tree_.Open(filename)); - - ASSERT_FALSE(input == NULL); - - // Read all the data from the file. - string file_contents; - const void* data; - int size; - while (input->Next(&data, &size)) { - file_contents.append(reinterpret_cast<const char*>(data), size); - } - - EXPECT_EQ(expected_contents, file_contents); - } - - void ExpectCannotOpenFile(const string& filename, - const string& error_message) { - google::protobuf::scoped_ptr<io::ZeroCopyInputStream> input(source_tree_.Open(filename)); - EXPECT_TRUE(input == NULL); - EXPECT_EQ(error_message, source_tree_.GetLastErrorMessage()); - } - - DiskSourceTree source_tree_; - - // Paths of two on-disk directories to use during the test. - vector<string> dirnames_; -}; - -TEST_F(DiskSourceTreeTest, MapRoot) { - // Test opening a file in a directory that is mapped to the root of the - // source tree. - AddFile(dirnames_[0] + "/foo", "Hello World!"); - source_tree_.MapPath("", dirnames_[0]); - - ExpectFileContents("foo", "Hello World!"); - ExpectCannotOpenFile("bar", "File not found."); -} - -TEST_F(DiskSourceTreeTest, MapDirectory) { - // Test opening a file in a directory that is mapped to somewhere other - // than the root of the source tree. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - source_tree_.MapPath("baz", dirnames_[0]); - - ExpectFileContents("baz/foo", "Hello World!"); - ExpectCannotOpenFile("baz/bar", "File not found."); - ExpectCannotOpenFile("foo", "File not found."); - ExpectCannotOpenFile("bar", "File not found."); - - // Non-canonical file names should not work. - ExpectCannotOpenFile("baz//foo", - "Backslashes, consecutive slashes, \".\", or \"..\" are " - "not allowed in the virtual path"); - ExpectCannotOpenFile("baz/../baz/foo", - "Backslashes, consecutive slashes, \".\", or \"..\" are " - "not allowed in the virtual path"); - ExpectCannotOpenFile("baz/./foo", - "Backslashes, consecutive slashes, \".\", or \"..\" are " - "not allowed in the virtual path"); - ExpectCannotOpenFile("baz/foo/", "File not found."); -} - -TEST_F(DiskSourceTreeTest, NoParent) { - // Test that we cannot open files in a parent of a mapped directory. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - AddSubdir(dirnames_[0] + "/bar"); - AddFile(dirnames_[0] + "/bar/baz", "Blah."); - source_tree_.MapPath("", dirnames_[0] + "/bar"); - - ExpectFileContents("baz", "Blah."); - ExpectCannotOpenFile("../foo", - "Backslashes, consecutive slashes, \".\", or \"..\" are " - "not allowed in the virtual path"); - ExpectCannotOpenFile("../bar/baz", - "Backslashes, consecutive slashes, \".\", or \"..\" are " - "not allowed in the virtual path"); -} - -TEST_F(DiskSourceTreeTest, MapFile) { - // Test opening a file that is mapped directly into the source tree. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - source_tree_.MapPath("foo", dirnames_[0] + "/foo"); - - ExpectFileContents("foo", "Hello World!"); - ExpectCannotOpenFile("bar", "File not found."); -} - -TEST_F(DiskSourceTreeTest, SearchMultipleDirectories) { - // Test mapping and searching multiple directories. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - AddFile(dirnames_[1] + "/foo", "This file should be hidden."); - AddFile(dirnames_[1] + "/bar", "Goodbye World!"); - source_tree_.MapPath("", dirnames_[0]); - source_tree_.MapPath("", dirnames_[1]); - - ExpectFileContents("foo", "Hello World!"); - ExpectFileContents("bar", "Goodbye World!"); - ExpectCannotOpenFile("baz", "File not found."); -} - -TEST_F(DiskSourceTreeTest, OrderingTrumpsSpecificity) { - // Test that directories are always searched in order, even when a latter - // directory is more-specific than a former one. - - // Create the "bar" directory so we can put a file in it. - GOOGLE_CHECK_OK(File::CreateDir(dirnames_[0] + "/bar", 0777)); - - // Add files and map paths. - AddFile(dirnames_[0] + "/bar/foo", "Hello World!"); - AddFile(dirnames_[1] + "/foo", "This file should be hidden."); - source_tree_.MapPath("", dirnames_[0]); - source_tree_.MapPath("bar", dirnames_[1]); - - // Check. - ExpectFileContents("bar/foo", "Hello World!"); -} - -TEST_F(DiskSourceTreeTest, DiskFileToVirtualFile) { - // Test DiskFileToVirtualFile. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - AddFile(dirnames_[1] + "/foo", "This file should be hidden."); - source_tree_.MapPath("bar", dirnames_[0]); - source_tree_.MapPath("bar", dirnames_[1]); - - string virtual_file; - string shadowing_disk_file; - - EXPECT_EQ(DiskSourceTree::NO_MAPPING, - source_tree_.DiskFileToVirtualFile( - "/foo", &virtual_file, &shadowing_disk_file)); - - EXPECT_EQ(DiskSourceTree::SHADOWED, - source_tree_.DiskFileToVirtualFile( - dirnames_[1] + "/foo", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("bar/foo", virtual_file); - EXPECT_EQ(dirnames_[0] + "/foo", shadowing_disk_file); - - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - dirnames_[1] + "/baz", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("bar/baz", virtual_file); - - EXPECT_EQ(DiskSourceTree::SUCCESS, - source_tree_.DiskFileToVirtualFile( - dirnames_[0] + "/foo", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("bar/foo", virtual_file); -} - -TEST_F(DiskSourceTreeTest, DiskFileToVirtualFileCanonicalization) { - // Test handling of "..", ".", etc. in DiskFileToVirtualFile(). - - source_tree_.MapPath("dir1", ".."); - source_tree_.MapPath("dir2", "../../foo"); - source_tree_.MapPath("dir3", "./foo/bar/."); - source_tree_.MapPath("dir4", "."); - source_tree_.MapPath("", "/qux"); - source_tree_.MapPath("dir5", "/quux/"); - - string virtual_file; - string shadowing_disk_file; - - // "../.." should not be considered to be under "..". - EXPECT_EQ(DiskSourceTree::NO_MAPPING, - source_tree_.DiskFileToVirtualFile( - "../../baz", &virtual_file, &shadowing_disk_file)); - - // "/foo" is not mapped (it should not be misintepreted as being under "."). - EXPECT_EQ(DiskSourceTree::NO_MAPPING, - source_tree_.DiskFileToVirtualFile( - "/foo", &virtual_file, &shadowing_disk_file)); - -#ifdef WIN32 - // "C:\foo" is not mapped (it should not be misintepreted as being under "."). - EXPECT_EQ(DiskSourceTree::NO_MAPPING, - source_tree_.DiskFileToVirtualFile( - "C:\\foo", &virtual_file, &shadowing_disk_file)); -#endif // WIN32 - - // But "../baz" should be. - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "../baz", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("dir1/baz", virtual_file); - - // "../../foo/baz" is under "../../foo". - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "../../foo/baz", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("dir2/baz", virtual_file); - - // "foo/./bar/baz" is under "./foo/bar/.". - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "foo/bar/baz", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("dir3/baz", virtual_file); - - // "bar" is under ".". - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "bar", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("dir4/bar", virtual_file); - - // "/qux/baz" is under "/qux". - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "/qux/baz", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("baz", virtual_file); - - // "/quux/bar" is under "/quux". - EXPECT_EQ(DiskSourceTree::CANNOT_OPEN, - source_tree_.DiskFileToVirtualFile( - "/quux/bar", &virtual_file, &shadowing_disk_file)); - EXPECT_EQ("dir5/bar", virtual_file); -} - -TEST_F(DiskSourceTreeTest, VirtualFileToDiskFile) { - // Test VirtualFileToDiskFile. - - AddFile(dirnames_[0] + "/foo", "Hello World!"); - AddFile(dirnames_[1] + "/foo", "This file should be hidden."); - AddFile(dirnames_[1] + "/quux", "This file should not be hidden."); - source_tree_.MapPath("bar", dirnames_[0]); - source_tree_.MapPath("bar", dirnames_[1]); - - // Existent files, shadowed and non-shadowed case. - string disk_file; - EXPECT_TRUE(source_tree_.VirtualFileToDiskFile("bar/foo", &disk_file)); - EXPECT_EQ(dirnames_[0] + "/foo", disk_file); - EXPECT_TRUE(source_tree_.VirtualFileToDiskFile("bar/quux", &disk_file)); - EXPECT_EQ(dirnames_[1] + "/quux", disk_file); - - // Nonexistent file in existent directory and vice versa. - string not_touched = "not touched"; - EXPECT_FALSE(source_tree_.VirtualFileToDiskFile("bar/baz", ¬_touched)); - EXPECT_EQ("not touched", not_touched); - EXPECT_FALSE(source_tree_.VirtualFileToDiskFile("baz/foo", ¬_touched)); - EXPECT_EQ("not touched", not_touched); - - // Accept NULL as output parameter. - EXPECT_TRUE(source_tree_.VirtualFileToDiskFile("bar/foo", NULL)); - EXPECT_FALSE(source_tree_.VirtualFileToDiskFile("baz/foo", NULL)); -} - -} // namespace - -} // namespace compiler -} // namespace protobuf -} // namespace google |