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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/origin_trials/common/persisted_trial_token.h"
#include <string>
#include "base/containers/flat_set.h"
#include "base/strings/to_string.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/origin_trials/trial_token.h"
#include "url/origin.h"
namespace origin_trials {
namespace {
const char kTrialTopLevelSite[] = "example.com";
TEST(PersistedTrialTokenTest, ConstructFromBlinkToken) {
url::Origin origin =
url::Origin::CreateFromNormalizedTuple("https", "example.com", 443);
std::string trial_name = "FrobulatePersistent";
base::Time expiry = base::Time::Now();
std::string signature = "signature";
std::unique_ptr<blink::TrialToken> blink_token =
blink::TrialToken::CreateTrialTokenForTesting(
origin, /*match_subdomains=*/false, trial_name, expiry,
/*is_third_party=*/false,
blink::TrialToken::UsageRestriction::kSubset, signature);
PersistedTrialToken token(*blink_token, kTrialTopLevelSite);
EXPECT_EQ(trial_name, token.trial_name);
EXPECT_EQ(expiry, token.token_expiry);
EXPECT_EQ(signature, token.token_signature);
EXPECT_EQ(blink::TrialToken::UsageRestriction::kSubset,
token.usage_restriction);
}
TEST(PersistedTrialTokenTest, Partitioning) {
std::string trial_name = "FrobulatePersistent";
base::Time expiry = base::Time::Now();
std::string signature = "signature";
base::flat_set<std::string> partition_sites = {kTrialTopLevelSite};
PersistedTrialToken token(/*match_subdomains=*/false, trial_name, expiry,
blink::TrialToken::UsageRestriction::kNone,
signature, partition_sites);
EXPECT_TRUE(token.InAnyPartition())
<< "Was constructed with one partition set";
token.RemoveFromPartition(kTrialTopLevelSite);
EXPECT_FALSE(token.InAnyPartition())
<< "Should not be in any partition after removal";
token.AddToPartition(kTrialTopLevelSite);
EXPECT_TRUE(token.InAnyPartition()) << "Added to a partition";
}
TEST(PersistedTrialTokenTest, TestLessThan) {
base::Time expiry = base::Time::Now();
base::Time higher_expiry = expiry + base::Hours(1);
std::string signature = "signature_a";
std::string higher_signature = "signature_b";
base::flat_set<std::string> partition_sites = {kTrialTopLevelSite};
blink::TrialToken::UsageRestriction restriction_none =
blink::TrialToken::UsageRestriction::kNone;
blink::TrialToken::UsageRestriction restriction_subset =
blink::TrialToken::UsageRestriction::kSubset;
// Tokens should be sorted by subdomain matching all else being equal
EXPECT_LT(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/true, "a", expiry,
restriction_none, signature, partition_sites));
// Tokens should be sorted by name all else being equal
EXPECT_LT(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "b", expiry,
restriction_none, signature, partition_sites));
// Tokens should be sorted by expiry all else being equal
EXPECT_LT(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", higher_expiry,
restriction_none, signature, partition_sites));
// Tokens should be sorted by usage restriction all else being equal
EXPECT_LT(
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_subset, signature, partition_sites));
// Tokens should be sorted by signature all else being equal
EXPECT_LT(
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, higher_signature, partition_sites));
// Partition set is not part of sort order / token identity (for sets)
EXPECT_FALSE(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature,
base::flat_set<std::string>()) <
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature,
partition_sites));
EXPECT_FALSE(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature,
partition_sites) <
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature,
base::flat_set<std::string>()));
}
TEST(PersistedTrialTokenTest, TestEquals) {
base::Time expiry = base::Time::Now();
base::Time higher_expiry = expiry + base::Hours(1);
std::string signature = "signature_a";
std::string higher_signature = "signature_b";
blink::TrialToken::UsageRestriction restriction_none =
blink::TrialToken::UsageRestriction::kNone;
blink::TrialToken::UsageRestriction restriction_subset =
blink::TrialToken::UsageRestriction::kSubset;
base::flat_set<std::string> partition_sites = {kTrialTopLevelSite};
// Two tokens with equal objects should be equal
EXPECT_EQ(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites));
// Tokens should not be equal if their fields differ
EXPECT_NE(PersistedTrialToken(/*match_subdomains=*/true, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites));
EXPECT_NE(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "b", expiry,
restriction_none, signature, partition_sites));
EXPECT_NE(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", higher_expiry,
restriction_none, signature, partition_sites));
EXPECT_NE(
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_subset, signature, partition_sites));
EXPECT_NE(
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, higher_signature, partition_sites));
EXPECT_NE(PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature, partition_sites),
PersistedTrialToken(/*match_subdomains=*/false, "a", expiry,
restriction_none, signature,
base::flat_set<std::string>()));
}
TEST(PersistedTrialTokenTest, StreamOperatorTest) {
// Ensure that streaming the token produces non-empty output that contains the
// name of the token.
base::flat_set<std::string> partition_sites = {kTrialTopLevelSite};
std::string token_name = "TokenNameInExpectedOutput";
PersistedTrialToken token(/*match_subdomains=*/false, token_name,
base::Time::Now(),
blink::TrialToken::UsageRestriction::kSubset,
"signature", partition_sites);
std::string token_str = base::ToString(token);
EXPECT_NE("", token_str);
EXPECT_NE(std::string::npos, token_str.find(token_name));
}
} // namespace
} // namespace origin_trials
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