| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "src/traced/probes/ftrace/ftrace_print_filter.h" |
| |
| #include "protos/perfetto/config/ftrace/ftrace_config.gen.h" |
| |
| #include "test/gtest_and_gmock.h" |
| |
| namespace perfetto { |
| namespace { |
| |
| using perfetto::protos::gen::FtraceConfig; |
| |
| TEST(FtracePrintFilterTest, EmptyConfigDefaultAllows) { |
| FtraceConfig::PrintFilter conf; |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("word", 4)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleMatchesAllows) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("w"); |
| rule->set_allow(true); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("word", 4)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleMatchesDenies) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("w"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("word", 4)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleMatchesLongSize) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("w"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("word", 120)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleMatchesShortSize) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("w"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("word", 1)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleDoesntMatchLongSize) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("verylongprefix"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("short", 120)); |
| } |
| |
| TEST(FtracePrintFilterTest, OneRuleWildcard) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| rule->set_prefix(""); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("anything", 8)); |
| } |
| |
| TEST(FtracePrintFilterTest, TwoRulesMatchFirst) { |
| FtraceConfig::PrintFilter conf; |
| { |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("word"); |
| rule->set_allow(false); |
| } |
| { |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("doesntmatch"); |
| rule->set_allow(true); |
| } |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("word", 120)); |
| } |
| |
| TEST(FtracePrintFilterTest, TwoRulesMatchesSecond) { |
| FtraceConfig::PrintFilter conf; |
| { |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("doesntmatch"); |
| rule->set_allow(true); |
| } |
| { |
| auto* rule = conf.add_rules(); |
| rule->set_prefix("word"); |
| rule->set_allow(false); |
| } |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("word", 120)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleTypeDoesntMatch) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_type("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("B", 1)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleNoFirstSlash) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("Cnopipemycounter", 16)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleNoFirstSlashEnd) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("C", 1)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleNonIntPid) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("C|badpid|mycounter", 18)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleEndAfterPid) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("C|111111", 8)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleNoSecondSlash) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("C|111111Xmycounter", 18)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleAfterPrefixDoesntMatch) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_TRUE(filter.IsAllowed("C|111111|nomatch", 16)); |
| } |
| |
| TEST(FtracePrintFilterTest, AtraceRuleMatches) { |
| FtraceConfig::PrintFilter conf; |
| auto* rule = conf.add_rules(); |
| auto* atrace = rule->mutable_atrace_msg(); |
| atrace->set_type("C"); |
| atrace->set_prefix("mycounter"); |
| rule->set_allow(false); |
| FtracePrintFilter filter(conf); |
| |
| EXPECT_FALSE(filter.IsAllowed("C|111111|mycounter...", 21)); |
| } |
| |
| } // namespace |
| } // namespace perfetto |