Refactor OriginTrialPolicy to be an abstract interface in content/public/common

chrome/common/origin_trials/origin_trial_key_manager_unittest.cc

-// Copyright 2016 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/common/origin_trials/origin_trial_key_manager.h"
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/string_piece.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-const uint8_t kTestPublicKey[] = {
-    0x75, 0x10, 0xac, 0xf9, 0x3a, 0x1c, 0xb8, 0xa9, 0x28, 0x70, 0xd2,
-    0x9a, 0xd0, 0x0b, 0x59, 0xe1, 0xac, 0x2b, 0xb7, 0xd5, 0xca, 0x1f,
-    0x64, 0x90, 0x08, 0x8e, 0xa8, 0xe0, 0x56, 0x3a, 0x04, 0xd0,
-};
-
-// Base64 encoding of the above sample public key
-const char kTestPublicKeyString[] =
-    "dRCs+TocuKkocNKa0AtZ4awrt9XKH2SQCI6o4FY6BNA=";
-const char kBadEncodingPublicKeyString[] = "Not even base64!";
-// Base64-encoded, 31 bytes long
-const char kTooShortPublicKeyString[] =
-    "dRCs+TocuKkocNKa0AtZ4awrt9XKH2SQCI6o4FY6BN==";
-// Base64-encoded, 33 bytes long
-const char kTooLongPublicKeyString[] =
-    "dRCs+TocuKkocNKa0AtZ4awrt9XKH2SQCI6o4FY6BNAA";
-
-class OriginTrialKeyManagerTest : public testing::Test {
- protected:
-  OriginTrialKeyManagerTest()
-      : manager_(base::WrapUnique(new OriginTrialKeyManager())),
-        default_key_(manager_->GetPublicKey().as_string()),
-        test_key_(std::string(reinterpret_cast<const char*>(kTestPublicKey),
-                              arraysize(kTestPublicKey))) {}
-  OriginTrialKeyManager* manager() { return manager_.get(); }
-  base::StringPiece default_key() { return default_key_; }
-  base::StringPiece test_key() { return test_key_; }
-
- private:
-  std::unique_ptr<OriginTrialKeyManager> manager_;
-  std::string default_key_;
-  std::string test_key_;
-};
-
-TEST_F(OriginTrialKeyManagerTest, DefaultConstructor) {
-  // We don't specify here what the key should be, but make sure that it is
-  // returned, is valid, and is consistent.
-  base::StringPiece key = manager()->GetPublicKey();
-  EXPECT_EQ(32UL, key.size());
-  EXPECT_EQ(default_key(), key);
-}
-
-TEST_F(OriginTrialKeyManagerTest, DefaultKeyIsConsistent) {
-  OriginTrialKeyManager manager2;
-  EXPECT_EQ(manager()->GetPublicKey(), manager2.GetPublicKey());
-}
-
-TEST_F(OriginTrialKeyManagerTest, OverridePublicKey) {
-  EXPECT_TRUE(manager()->SetPublicKeyFromASCIIString(kTestPublicKeyString));
-  EXPECT_NE(default_key(), manager()->GetPublicKey());
-  EXPECT_EQ(test_key(), manager()->GetPublicKey());
-}
-
-TEST_F(OriginTrialKeyManagerTest, OverrideKeyNotBase64) {
-  EXPECT_FALSE(
-      manager()->SetPublicKeyFromASCIIString(kBadEncodingPublicKeyString));
-  EXPECT_EQ(default_key(), manager()->GetPublicKey());
-}
-
-TEST_F(OriginTrialKeyManagerTest, OverrideKeyTooShort) {
-  EXPECT_FALSE(
-      manager()->SetPublicKeyFromASCIIString(kTooShortPublicKeyString));
-  EXPECT_EQ(default_key(), manager()->GetPublicKey());
-}
-
-TEST_F(OriginTrialKeyManagerTest, OverrideKeyTooLong) {
-  EXPECT_FALSE(manager()->SetPublicKeyFromASCIIString(kTooLongPublicKeyString));
-  EXPECT_EQ(default_key(), manager()->GetPublicKey());
-}