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",
+  });
+
+  ModuleInfoData module_data = InspectModule(path_mapping, module_key);
+
+  EXPECT_TRUE(module_data.inspected);
+  EXPECT_STREQ(L"%systemroot%\\system32\\", module_data.location.c_str());
+  EXPECT_STREQ(L"kernel32.dll", module_data.basename.c_str());
+  EXPECT_STREQ(L"Microsoft\xAE Windows\xAE Operating System",
+               module_data.product_name.c_str());
+  EXPECT_STREQ(L"Windows NT BASE API Client DLL",
+               module_data.description.c_str());
+  EXPECT_FALSE(module_data.version.empty());
+  EXPECT_EQ(module_data.certificate_info.type,
+            CertificateType::CERTIFICATE_IN_CATALOG);
+  EXPECT_FALSE(module_data.certificate_info.path.empty());
+  EXPECT_STREQ(L"Microsoft Windows",
+               module_data.certificate_info.subject.c_str());
+}