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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/enterprise/connectors/analysis/content_analysis_downloads_delegate.h"
#include <gtest/gtest.h>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/strings/strcat.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "chrome/browser/enterprise/connectors/analysis/content_analysis_features.h"
#include "chrome/browser/enterprise/connectors/common.h"
#include "components/download/public/common/mock_download_item.h"
namespace enterprise_connectors {
namespace {
constexpr char kTestUrl[] = "http://example.com/";
constexpr char kTestUrl2[] = "http://google.com/";
constexpr char kTestInvalidUrl[] = "example.com";
constexpr char16_t kTestMessage[] = u"Message";
constexpr char16_t kTestMessage2[] = u"Rule message";
constexpr char16_t kTestFile[] = u"foo.txt";
} // namespace
class ContentAnalysisDownloadsDelegateTest : public testing::Test {
public:
void OpenCallback() {
++times_open_called_;
if (quit_closure_) {
std::move(quit_closure_).Run();
}
}
void DiscardCallback() { ++times_discard_called_; }
int times_open_called_ = 0;
int times_discard_called_ = 0;
download::MockDownloadItem mock_download_item;
base::OnceClosure quit_closure_;
};
TEST_F(ContentAnalysisDownloadsDelegateTest, TestOpenFile) {
ContentAnalysisDownloadsDelegate delegate(
u"", u"", GURL(), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
&mock_download_item, CreateSampleCustomRuleMessage(u"", ""));
delegate.BypassWarnings(u"User's justification");
EXPECT_EQ(1, times_open_called_);
EXPECT_EQ(0, times_discard_called_);
// Attempting any action after one has been performed is a no-op.
delegate.BypassWarnings(u"User's justification");
EXPECT_EQ(1, times_open_called_);
EXPECT_EQ(0, times_discard_called_);
delegate.Cancel(true);
EXPECT_EQ(1, times_open_called_);
EXPECT_EQ(0, times_discard_called_);
delegate.Cancel(false);
EXPECT_EQ(1, times_open_called_);
EXPECT_EQ(0, times_discard_called_);
}
TEST_F(ContentAnalysisDownloadsDelegateTest, TestDiscardFileWarning) {
ContentAnalysisDownloadsDelegate delegate(
u"", u"", GURL(), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
&mock_download_item, CreateSampleCustomRuleMessage(u"", ""));
delegate.Cancel(true);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
// Attempting any action after one has been performed is a no-op.
delegate.Cancel(true);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
delegate.Cancel(false);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
delegate.BypassWarnings(std::nullopt);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
}
TEST_F(ContentAnalysisDownloadsDelegateTest, TestDiscardFileBlock) {
ContentAnalysisDownloadsDelegate delegate(
u"", u"", GURL(), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
&mock_download_item, CreateSampleCustomRuleMessage(u"", ""));
delegate.Cancel(false);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
// Attempting any action after one has been performed is a no-op.
delegate.Cancel(true);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
delegate.Cancel(false);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
delegate.BypassWarnings(std::nullopt);
EXPECT_EQ(0, times_open_called_);
EXPECT_EQ(1, times_discard_called_);
}
TEST_F(ContentAnalysisDownloadsDelegateTest, TestNoMessageOrUrlReturnsNullOpt) {
ContentAnalysisDownloadsDelegate delegate(
u"", u"", GURL(), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
&mock_download_item, CreateSampleCustomRuleMessage(u"", ""));
EXPECT_FALSE(delegate.GetCustomMessage());
EXPECT_FALSE(delegate.GetCustomLearnMoreUrl());
}
TEST_F(ContentAnalysisDownloadsDelegateTest, TestGetMessageAndUrl) {
ContentAnalysisResponse::Result::TriggeredRule::CustomRuleMessage
empty_custom_rule_msg;
ContentAnalysisDownloadsDelegate delegate(
kTestFile, kTestMessage, GURL(kTestUrl), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
nullptr, empty_custom_rule_msg);
EXPECT_TRUE(delegate.GetCustomMessage());
EXPECT_TRUE(delegate.GetCustomLearnMoreUrl());
EXPECT_EQ(base::StrCat({kTestFile,
u" has sensitive or dangerous data. Your "
u"administrator says: \"",
kTestMessage, u"\""}),
*(delegate.GetCustomMessage()));
EXPECT_EQ(GURL(kTestUrl), *(delegate.GetCustomLearnMoreUrl()));
}
TEST_F(ContentAnalysisDownloadsDelegateTest,
TestCustomRuleMessageAndCustomMessage) {
ContentAnalysisDownloadsDelegate delegate(
kTestFile, kTestMessage, GURL(kTestUrl), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
nullptr, CreateSampleCustomRuleMessage(kTestMessage2, kTestUrl2));
EXPECT_TRUE(delegate.GetCustomMessage());
EXPECT_FALSE(delegate.GetCustomLearnMoreUrl());
EXPECT_TRUE(delegate.GetCustomRuleMessageRanges());
EXPECT_EQ(base::StrCat({kTestFile,
u" has sensitive or dangerous data. Your "
u"administrator says: \"",
kTestMessage2, u"\""}),
*(delegate.GetCustomMessage()));
}
TEST_F(ContentAnalysisDownloadsDelegateTest,
TestCustomRuleMessageAndCustomMessageInvalidUrl) {
ContentAnalysisDownloadsDelegate delegate(
u"foo.txt", kTestMessage, GURL(kTestUrl), true,
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::OpenCallback,
base::Unretained(this)),
base::BindOnce(&ContentAnalysisDownloadsDelegateTest::DiscardCallback,
base::Unretained(this)),
nullptr, CreateSampleCustomRuleMessage(kTestMessage2, kTestInvalidUrl));
EXPECT_TRUE(delegate.GetCustomMessage());
EXPECT_FALSE(delegate.GetCustomLearnMoreUrl());
EXPECT_FALSE(delegate.GetCustomRuleMessageRanges());
EXPECT_EQ(base::StrCat({kTestFile,
u" has sensitive or dangerous data. Your "
u"administrator says: \"",
kTestMessage2, u"\""}),
*(delegate.GetCustomMessage()));
}
} // namespace enterprise_connectors
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