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// 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 "extensions/browser/policy_check.h"
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/test/test_browser_context.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_test.h"
#include "extensions/browser/management_policy.h"
#include "extensions/browser/mock_extension_system.h"
#include "extensions/browser/preload_check.h"
#include "extensions/browser/preload_check_test_util.h"
#include "extensions/browser/test_extensions_browser_client.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_builder.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
const char16_t kDummyPolicyError[] = u"Cannot install extension";
class ManagementPolicyMock : public ManagementPolicy::Provider {
public:
ManagementPolicyMock(const Extension* extension, bool may_load)
: extension_(extension), may_load_(may_load) {}
std::string GetDebugPolicyProviderName() const override {
return "ManagementPolicyMock";
}
bool UserMayLoad(const Extension* extension,
std::u16string* error) const override {
EXPECT_EQ(extension_, extension);
if (!may_load_)
*error = kDummyPolicyError;
return may_load_;
}
private:
const Extension* extension_;
bool may_load_;
};
class TestExtensionSystem : public MockExtensionSystem {
public:
explicit TestExtensionSystem(content::BrowserContext* context)
: MockExtensionSystem(context) {}
~TestExtensionSystem() override {}
ManagementPolicy* management_policy() override { return &management_policy_; }
private:
ManagementPolicy management_policy_;
};
} // namespace
class PolicyCheckTest : public ExtensionsTest {
public:
PolicyCheckTest() {}
~PolicyCheckTest() override {}
void SetUp() override {
ExtensionsTest::SetUp();
// Replace the MockExtensionSystemFactory set by ExtensionsTest.
extensions_browser_client()->set_extension_system_factory(&factory_);
extension_ = ExtensionBuilder("dummy name").Build();
}
protected:
scoped_refptr<const Extension> extension_;
PreloadCheckRunner runner_;
private:
MockExtensionSystemFactory<TestExtensionSystem> factory_;
};
// Tests an allowed extension.
TEST_F(PolicyCheckTest, PolicySuccess) {
PolicyCheck policy_check(browser_context(), extension_);
runner_.Run(&policy_check);
EXPECT_TRUE(runner_.called());
EXPECT_EQ(0u, runner_.errors().size());
EXPECT_TRUE(policy_check.GetErrorMessage().empty());
}
// Tests a disallowed extension.
TEST_F(PolicyCheckTest, PolicyFailure) {
ManagementPolicyMock policy(extension_.get(), false);
ExtensionSystem::Get(browser_context())
->management_policy()
->RegisterProvider(&policy);
PolicyCheck policy_check(browser_context(), extension_);
runner_.Run(&policy_check);
EXPECT_TRUE(runner_.called());
EXPECT_THAT(runner_.errors(), testing::UnorderedElementsAre(
PreloadCheck::DISALLOWED_BY_POLICY));
EXPECT_EQ(kDummyPolicyError, policy_check.GetErrorMessage());
}
} // namespace extensions
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