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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/utf_string_conversions.h"
#include "extensions/browser/management_policy.h"
#include "extensions/browser/test_management_policy.h"
#include "testing/gtest/include/gtest/gtest.h"
using TestProvider = extensions::TestManagementPolicyProvider;
using extensions::Extension;
class ManagementPolicyTest : public testing::Test {
public:
void SetUp() override {
allow_all_.SetProhibitedActions(TestProvider::ALLOW_ALL);
no_modify_status_.SetProhibitedActions(
TestProvider::PROHIBIT_MODIFY_STATUS);
no_load_.SetProhibitedActions(TestProvider::PROHIBIT_LOAD);
must_remain_enabled_.SetProhibitedActions(
TestProvider::MUST_REMAIN_ENABLED);
must_remain_disabled_.SetProhibitedActions(
TestProvider::MUST_REMAIN_DISABLED);
must_remain_disabled_.SetDisableReason(
extensions::disable_reason::DISABLE_SIDELOAD_WIPEOUT);
must_remain_installed_.SetProhibitedActions(
TestProvider::MUST_REMAIN_INSTALLED);
restrict_all_.SetProhibitedActions(TestProvider::PROHIBIT_MODIFY_STATUS |
TestProvider::PROHIBIT_LOAD |
TestProvider::MUST_REMAIN_ENABLED);
}
protected:
extensions::ManagementPolicy policy_;
TestProvider allow_all_;
TestProvider no_modify_status_;
TestProvider no_load_;
TestProvider must_remain_enabled_;
TestProvider must_remain_disabled_;
TestProvider must_remain_installed_;
TestProvider restrict_all_;
};
TEST_F(ManagementPolicyTest, RegisterAndUnregister) {
EXPECT_EQ(0, policy_.GetNumProviders());
policy_.RegisterProvider(&allow_all_);
EXPECT_EQ(1, policy_.GetNumProviders());
policy_.RegisterProvider(&allow_all_);
EXPECT_EQ(1, policy_.GetNumProviders());
policy_.RegisterProvider(&no_modify_status_);
EXPECT_EQ(2, policy_.GetNumProviders());
policy_.UnregisterProvider(&allow_all_);
EXPECT_EQ(1, policy_.GetNumProviders());
policy_.UnregisterProvider(&allow_all_);
EXPECT_EQ(1, policy_.GetNumProviders());
policy_.UnregisterProvider(&no_modify_status_);
EXPECT_EQ(0, policy_.GetNumProviders());
policy_.RegisterProvider(&allow_all_);
policy_.RegisterProvider(&no_modify_status_);
EXPECT_EQ(2, policy_.GetNumProviders());
policy_.UnregisterAllProviders();
EXPECT_EQ(0, policy_.GetNumProviders());
}
TEST_F(ManagementPolicyTest, UserMayLoad) {
// No providers registered.
// The extension and location are irrelevant to the
// TestManagementPolicyProviders.
EXPECT_TRUE(policy_.UserMayLoad(nullptr));
// One provider, no relevant restriction.
policy_.RegisterProvider(&no_modify_status_);
EXPECT_TRUE(policy_.UserMayLoad(nullptr));
// Two providers, no relevant restrictions.
policy_.RegisterProvider(&must_remain_enabled_);
EXPECT_TRUE(policy_.UserMayLoad(nullptr));
// Three providers, one with a relevant restriction.
policy_.RegisterProvider(&no_load_);
EXPECT_FALSE(policy_.UserMayLoad(nullptr));
// Remove the restriction.
policy_.UnregisterProvider(&no_load_);
EXPECT_TRUE(policy_.UserMayLoad(nullptr));
}
TEST_F(ManagementPolicyTest, UserMayModifySettings) {
// No providers registered.
std::u16string error;
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_TRUE(error.empty());
// One provider, no relevant restriction.
policy_.RegisterProvider(&allow_all_);
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_TRUE(error.empty());
// Two providers, no relevant restrictions.
policy_.RegisterProvider(&no_load_);
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_TRUE(error.empty());
// Three providers, one with a relevant restriction.
policy_.RegisterProvider(&no_modify_status_);
EXPECT_FALSE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_FALSE(error.empty());
// Remove the restriction.
policy_.UnregisterProvider(&no_modify_status_);
error.clear();
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_TRUE(error.empty());
}
TEST_F(ManagementPolicyTest, MustRemainEnabled) {
// No providers registered.
std::u16string error;
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_TRUE(error.empty());
// One provider, no relevant restriction.
policy_.RegisterProvider(&allow_all_);
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_TRUE(error.empty());
// Two providers, no relevant restrictions.
policy_.RegisterProvider(&no_modify_status_);
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_TRUE(error.empty());
// Three providers, one with a relevant restriction.
policy_.RegisterProvider(&must_remain_enabled_);
EXPECT_TRUE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_FALSE(error.empty());
// Remove the restriction.
policy_.UnregisterProvider(&must_remain_enabled_);
error.clear();
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_TRUE(error.empty());
}
TEST_F(ManagementPolicyTest, MustRemainDisabled) {
// No providers registered.
extensions::disable_reason::DisableReason reason =
extensions::disable_reason::DISABLE_NONE;
EXPECT_FALSE(policy_.MustRemainDisabled(nullptr, &reason));
EXPECT_EQ(extensions::disable_reason::DISABLE_NONE, reason);
// One provider, no relevant restriction.
policy_.RegisterProvider(&allow_all_);
EXPECT_FALSE(policy_.MustRemainDisabled(nullptr, &reason));
EXPECT_EQ(extensions::disable_reason::DISABLE_NONE, reason);
// Two providers, no relevant restrictions.
policy_.RegisterProvider(&no_modify_status_);
EXPECT_FALSE(policy_.MustRemainDisabled(nullptr, &reason));
EXPECT_EQ(extensions::disable_reason::DISABLE_NONE, reason);
// Three providers, one with a relevant restriction.
policy_.RegisterProvider(&must_remain_disabled_);
EXPECT_TRUE(policy_.MustRemainDisabled(nullptr, &reason));
EXPECT_EQ(extensions::disable_reason::DISABLE_SIDELOAD_WIPEOUT, reason);
// Remove the restriction.
policy_.UnregisterProvider(&must_remain_disabled_);
reason = extensions::disable_reason::DISABLE_NONE;
EXPECT_FALSE(policy_.MustRemainDisabled(nullptr, &reason));
EXPECT_EQ(extensions::disable_reason::DISABLE_NONE, reason);
}
TEST_F(ManagementPolicyTest, MustRemainInstalled) {
// No providers registered.
std::u16string error;
EXPECT_FALSE(policy_.MustRemainInstalled(nullptr, &error));
EXPECT_TRUE(error.empty());
// One provider, no relevant restriction.
policy_.RegisterProvider(&allow_all_);
EXPECT_FALSE(policy_.MustRemainInstalled(nullptr, &error));
EXPECT_TRUE(error.empty());
// Two providers, no relevant restrictions.
policy_.RegisterProvider(&no_modify_status_);
EXPECT_FALSE(policy_.MustRemainInstalled(nullptr, &error));
EXPECT_TRUE(error.empty());
// Three providers, one with a relevant restriction.
policy_.RegisterProvider(&must_remain_installed_);
EXPECT_TRUE(policy_.MustRemainInstalled(nullptr, &error));
EXPECT_FALSE(error.empty());
// Remove the restriction.
policy_.UnregisterProvider(&must_remain_installed_);
error.clear();
EXPECT_FALSE(policy_.MustRemainInstalled(nullptr, &error));
EXPECT_TRUE(error.empty());
}
// Tests error handling in the ManagementPolicy.
TEST_F(ManagementPolicyTest, ErrorHandling) {
// The error parameter should be unchanged if no restriction was found.
std::string original_error = "Ceci est en effet une erreur.";
std::u16string original_error16 = base::UTF8ToUTF16(original_error);
std::u16string error = original_error16;
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_EQ(original_error, base::UTF16ToUTF8(error));
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_EQ(original_error, base::UTF16ToUTF8(error));
// Ensure no crashes if no error message was requested.
EXPECT_TRUE(policy_.UserMayModifySettings(nullptr, nullptr));
EXPECT_FALSE(policy_.MustRemainEnabled(nullptr, nullptr));
policy_.RegisterProvider(&restrict_all_);
EXPECT_FALSE(policy_.UserMayModifySettings(nullptr, nullptr));
EXPECT_TRUE(policy_.MustRemainEnabled(nullptr, nullptr));
// Make sure returned error is correct.
EXPECT_FALSE(policy_.UserMayModifySettings(nullptr, &error));
EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
error = original_error16;
EXPECT_TRUE(policy_.MustRemainEnabled(nullptr, &error));
EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
}
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