Add InspectModule() that returns a populated ModuleInspectionResult struct

chrome/browser/conflicts/module_info_win_unittest.cc

+// Copyright 2017 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 "chrome/browser/conflicts/module_info_win.h"
+
+#include <memory>
+#include <string>
+
+#include "base/environment.h"
+#include "base/files/file_path.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+base::FilePath GetKernel32DllFilePath() {
+  std::unique_ptr<base::Environment> env = base::Environment::Create();
+  std::string sysroot;
+  EXPECT_TRUE(env->GetVar("SYSTEMROOT", &sysroot));
+
+  base::FilePath path =
+      base::FilePath::FromUTF8Unsafe(sysroot).Append(L"system32\\kernel32.dll");
+
+  return path;
+}
+
+}  // namespace
+
+TEST(ModuleInfoTest, InspectModule) {
+  ModuleInfoKey module_key = {GetKernel32DllFilePath(), 0, 0, 1};
+  StringMapping path_mapping = GetEnvironmentVariablesMapping({
+      L"SystemRoot",
+  });
+
+  std::unique_ptr<ModuleInspectionResult> inspection_result =
+      InspectModule(path_mapping, module_key);
+
+  EXPECT_STREQ(L"%systemroot%\\system32\\",
+               inspection_result->location.c_str());
+  EXPECT_STREQ(L"kernel32.dll", inspection_result->basename.c_str());
+  EXPECT_STREQ(L"Microsoft\xAE Windows\xAE Operating System",
+               inspection_result->product_name.c_str());
+  EXPECT_STREQ(L"Windows NT BASE API Client DLL",
+               inspection_result->description.c_str());
+  EXPECT_FALSE(inspection_result->version.empty());
+  EXPECT_EQ(inspection_result->certificate_info.type,
+            CertificateType::CERTIFICATE_IN_CATALOG);
+  EXPECT_FALSE(inspection_result->certificate_info.path.empty());
+  EXPECT_STREQ(L"Microsoft Windows",
+               inspection_result->certificate_info.subject.c_str());
+}
+
+TEST(ModuleInfoTest, NormalizeInspectionResult) {
+  ModuleInspectionResult test_case;
+  test_case.location = L"%variable%\\PATH\\TO\\file.txt";
+  test_case.version = L"23, 32, 43, 55 win7_rtm.123456-1234";
+  test_case.certificate_info.subject = base::string16(L"signer\0", 7);
+  EXPECT_EQ(7u, test_case.certificate_info.subject.length());
+
+  ModuleInspectionResult expected;
+  expected.location = L"%variable%\\path\\to\\";
+  expected.basename = L"file.txt";
+  expected.version = L"23.32.43.55";
+  expected.certificate_info.subject = L"signer";
+
+  internal::NormalizeInspectionResult(&test_case);
+
+  EXPECT_EQ(test_case.location, expected.location);
+  EXPECT_EQ(test_case.basename, expected.basename);
+  EXPECT_EQ(test_case.version, expected.version);
+  EXPECT_EQ(test_case.certificate_info.subject,
+            expected.certificate_info.subject);
+}