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// Copyright 2013 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/installer/gcapi/gcapi_omaha_experiment.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/installer/gcapi/gcapi.h"
#include "chrome/installer/gcapi/gcapi_test_registry_overrider.h"
#include "chrome/installer/util/google_update_constants.h"
#include "chrome/installer/util/google_update_experiment_util.h"
#include "chrome/installer/util/google_update_settings.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::ASCIIToUTF16;
namespace {
const wchar_t kBrand[] = L"ABCD";
const uint16 kUserLevel = GCAPI_INVOKED_STANDARD_SHELL;
const wchar_t kSomeExperiments[] = L"myexp=1|Aug 2;yourexp=2|Sep 5";
const wchar_t kSomeOtherExperiments[] = L"anotherexp=joe|Jun 7 2008";
const wchar_t kSomeMoreExperiments[] = L"moreexp=foo|Jul 31 1999";
class GCAPIOmahaExperimentTest : public ::testing::Test {
protected:
GCAPIOmahaExperimentTest()
: brand_(kBrand),
reactivation_label_(gcapi_internals::GetGCAPIExperimentLabel(
kBrand, gcapi_internals::kReactivationLabel)),
relaunch_label_(gcapi_internals::GetGCAPIExperimentLabel(
kBrand, gcapi_internals::kRelaunchLabel)) {
}
void VerifyExperimentLabels(const base::string16& expected_labels) {
base::string16 actual_labels;
EXPECT_TRUE(GoogleUpdateSettings::ReadExperimentLabels(false,
&actual_labels));
EXPECT_EQ(expected_labels, actual_labels);
}
base::string16 brand_;
base::string16 reactivation_label_;
base::string16 relaunch_label_;
const GCAPITestRegistryOverrider gcapi_test_registry_overrider_;
};
TEST_F(GCAPIOmahaExperimentTest, SetReactivationLabelFromEmptyExperiments) {
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
VerifyExperimentLabels(reactivation_label_);
}
// Test the relaunch label once; all other tests go more in depth, but since
// both labels use the same logic underneath there is no need to test both in
// depth.
TEST_F(GCAPIOmahaExperimentTest, SetRelaunchLabelFromEmptyExperiments) {
ASSERT_TRUE(SetRelaunchExperimentLabels(kBrand, kUserLevel));
VerifyExperimentLabels(relaunch_label_);
}
TEST_F(GCAPIOmahaExperimentTest, SetReactivationLabelWithExistingExperiments) {
GoogleUpdateSettings::SetExperimentLabels(false, kSomeExperiments);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
TEST_F(GCAPIOmahaExperimentTest,
SetReactivationLabelWithExistingIdenticalExperiment) {
base::string16 previous_labels(kSomeExperiments);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(reactivation_label_);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(kSomeOtherExperiments);
GoogleUpdateSettings::SetExperimentLabels(false, previous_labels);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(kSomeOtherExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
TEST_F(GCAPIOmahaExperimentTest,
SetReactivationLabelWithExistingIdenticalAtBeginning) {
base::string16 previous_labels(reactivation_label_);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(kSomeExperiments);
GoogleUpdateSettings::SetExperimentLabels(false, previous_labels);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
TEST_F(GCAPIOmahaExperimentTest,
SetReactivationLabelWithFakeMatchInAnExperiment) {
base::string16 previous_labels(kSomeExperiments);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(L"blah_");
// Shouldn't match deletion criteria.
previous_labels.append(reactivation_label_);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(kSomeOtherExperiments);
previous_labels += google_update::kExperimentLabelSeparator;
// Should match the deletion criteria.
previous_labels.append(reactivation_label_);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(kSomeMoreExperiments);
GoogleUpdateSettings::SetExperimentLabels(false, previous_labels);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(L"blah_");
expected_labels.append(reactivation_label_);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(kSomeOtherExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(kSomeMoreExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
TEST_F(GCAPIOmahaExperimentTest,
SetReactivationLabelWithFakeMatchInAnExperimentAndNoRealMatch) {
base::string16 previous_labels(kSomeExperiments);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(L"blah_");
// Shouldn't match deletion criteria.
previous_labels.append(reactivation_label_);
previous_labels += google_update::kExperimentLabelSeparator;
previous_labels.append(kSomeOtherExperiments);
GoogleUpdateSettings::SetExperimentLabels(false, previous_labels);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(L"blah_");
expected_labels.append(reactivation_label_);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(kSomeOtherExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
TEST_F(GCAPIOmahaExperimentTest,
SetReactivationLabelWithExistingEntryWithLabelAsPrefix) {
base::string16 previous_labels(kSomeExperiments);
previous_labels += google_update::kExperimentLabelSeparator;
// Append prefix matching the label, but not followed by '='.
previous_labels.append(gcapi_internals::kReactivationLabel);
// Shouldn't match deletion criteria.
previous_labels.append(kSomeOtherExperiments);
GoogleUpdateSettings::SetExperimentLabels(false, previous_labels);
ASSERT_TRUE(SetReactivationExperimentLabels(kBrand, kUserLevel));
base::string16 expected_labels(kSomeExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(gcapi_internals::kReactivationLabel);
expected_labels.append(kSomeOtherExperiments);
expected_labels += google_update::kExperimentLabelSeparator;
expected_labels.append(reactivation_label_);
VerifyExperimentLabels(expected_labels);
}
} // namespace
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