Added switch for bypassing protected media identifier permission

chrome/browser/media/protected_media_identifier_permission_context_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/media/protected_media_identifier_permission_context.h"
+
+#include "base/test/scoped_command_line.h"
+#include "chrome/common/chrome_switches.h"
+#include "media/base/media_switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+class ProtectedMediaIdentifierPermissionContextTest : public testing::Test {
+ public:
+  ProtectedMediaIdentifierPermissionContextTest()
+      : requesting_origin_("https://example.com"),
+        requesting_sub_domain_origin_("https://subdomain.example.com") {
+    command_line_ = scoped_command_line_.GetProcessCommandLine();
+  }
+
+  bool IsOriginWhitelisted(const GURL& origin) {
+    return ProtectedMediaIdentifierPermissionContext::IsOriginWhitelisted(
+        origin);
+  }
+
+  GURL requesting_origin_;
+  GURL requesting_sub_domain_origin_;
+
+  base::test::ScopedCommandLine scoped_command_line_;
+  base::CommandLine* command_line_;
+};
+
+TEST_F(ProtectedMediaIdentifierPermissionContextTest,
+       BypassWithFlagWithSingleDomain) {
+  // The request should need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_origin_));
+
+  // Add the switch value that the
+  // ProtectedMediaIdentifierPermissionContext::reads from
+  command_line_->AppendSwitchASCII(switches::kUserDataDir, "/dir/for/testing");
+  command_line_->AppendSwitchASCII(
+      switches::kUnsafelyAllowProtectedMediaIdentifierForDomain, "example.com");
+
+  // The request should no longer need to ask for permission
+  ASSERT_TRUE(IsOriginWhitelisted(requesting_origin_));
+}
+
+TEST_F(ProtectedMediaIdentifierPermissionContextTest,
+       BypassWithFlagWithDomainList) {
+  // The request should need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_origin_));
+
+  // Add the switch value that the
+  // ProtectedMediaIdentifierPermissionContext::reads from
+  command_line_->AppendSwitchASCII(switches::kUserDataDir, "/dir/for/testing");
+  command_line_->AppendSwitchASCII(
+      switches::kUnsafelyAllowProtectedMediaIdentifierForDomain,
+      "example.ca,example.com,example.edu");
+
+  // The request should no longer need to ask for permission
+  ASSERT_TRUE(IsOriginWhitelisted(requesting_origin_));
+}
+
+TEST_F(ProtectedMediaIdentifierPermissionContextTest,
+       BypassWithFlagAndSubdomain) {
+  // The request should need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_sub_domain_origin_));
+
+  // Add the switch value that the
+  // ProtectedMediaIdentifierPermissionContext::reads from
+  command_line_->AppendSwitchASCII(switches::kUserDataDir, "/dir/for/testing");
+  command_line_->AppendSwitchASCII(
+      switches::kUnsafelyAllowProtectedMediaIdentifierForDomain, "example.com");
+
+  // The request should no longer need to ask for permission
+  ASSERT_TRUE(IsOriginWhitelisted(requesting_sub_domain_origin_));
+}
+
+TEST_F(ProtectedMediaIdentifierPermissionContextTest,
+       BypassRequiresUserDataDir) {
+  // The request should need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_origin_));
+
+  // Add the switch value that the
+  // ProtectedMediaIdentifierPermissionContext::reads from
+  command_line_->AppendSwitchASCII(
+      switches::kUnsafelyAllowProtectedMediaIdentifierForDomain, "example.com");
+
+  // The request should still need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_origin_));
+
+  // Set the user data dir switch but do not give it a value, this should still
+  // require the request to ask for permission.
+  command_line_->AppendSwitch(switches::kUserDataDir);
+
+  // The request should still need to ask for permission
+  ASSERT_FALSE(IsOriginWhitelisted(requesting_origin_));
+
+  // Set the user data dir so the request should no longer need to ask for
+  // permission
+  command_line_->AppendSwitchASCII(switches::kUserDataDir, "/dir/for/testing");
+
+  // The request should no longer need to ask for permission
+  ASSERT_TRUE(IsOriginWhitelisted(requesting_origin_));
+}