| /* |
| * Copyright (C) 2024 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 <string> |
| #include <string_view> |
| #include <vector> |
| |
| #include "src/base/test/status_matchers.h" |
| #include "src/trace_redaction/build_timeline.h" |
| #include "src/trace_redaction/find_package_uid.h" |
| #include "src/trace_redaction/optimize_timeline.h" |
| #include "src/trace_redaction/scrub_process_trees.h" |
| #include "src/trace_redaction/trace_redaction_framework.h" |
| #include "src/trace_redaction/trace_redaction_integration_fixture.h" |
| #include "src/trace_redaction/trace_redactor.h" |
| #include "test/gtest_and_gmock.h" |
| |
| #include "protos/perfetto/trace/ps/process_tree.pbzero.h" |
| #include "protos/perfetto/trace/trace.pbzero.h" |
| |
| namespace perfetto::trace_redaction { |
| |
| namespace { |
| |
| constexpr std::string_view kProcessName = |
| "com.Unity.com.unity.multiplayer.samples.coop"; |
| |
| } // namespace |
| |
| class ScrubProcessTreesIntegrationTest |
| : public testing::Test, |
| protected TraceRedactionIntegrationFixure { |
| protected: |
| void SetUp() override { |
| // ScrubProcessTrees depends on: |
| // - FindPackageUid (creates: uid) |
| // - OptimizeTimeline (creates: optimized timeline) |
| // |
| // OptimizeTimeline depends on: |
| // - FindPackageUid (uses: uid) |
| // - BuildTimeline (uses: timeline) |
| // |
| // BuildTimeline depends on.... nothing |
| // FindPackageUid depends on... nothing |
| |
| trace_redactor()->emplace_collect<FindPackageUid>(); |
| trace_redactor()->emplace_collect<BuildTimeline>(); |
| trace_redactor()->emplace_build<OptimizeTimeline>(); |
| trace_redactor()->emplace_transform<ScrubProcessTrees>(); |
| |
| // In this case, the process and package have the same name. |
| context()->package_name = kProcessName; |
| } |
| |
| std::vector<std::string> CollectProcessNames( |
| protos::pbzero::Trace::Decoder trace) const { |
| std::vector<std::string> names; |
| |
| for (auto packet_it = trace.packet(); packet_it; ++packet_it) { |
| protos::pbzero::TracePacket::Decoder packet(*packet_it); |
| |
| if (!packet.has_process_tree()) { |
| continue; |
| } |
| |
| protos::pbzero::ProcessTree::Decoder process_tree(packet.process_tree()); |
| |
| for (auto process_it = process_tree.processes(); process_it; |
| ++process_it) { |
| protos::pbzero::ProcessTree::Process::Decoder process(*process_it); |
| |
| if (process.has_cmdline()) { |
| names.push_back(process.cmdline()->as_std_string()); |
| } |
| } |
| } |
| |
| return names; |
| } |
| }; |
| |
| TEST_F(ScrubProcessTreesIntegrationTest, RemovesProcessNamesFromProcessTrees) { |
| ASSERT_OK(Redact()); |
| |
| auto original_trace_str = LoadOriginal(); |
| ASSERT_OK(original_trace_str); |
| |
| auto redacted_trace_str = LoadRedacted(); |
| ASSERT_OK(redacted_trace_str); |
| |
| protos::pbzero::Trace::Decoder original_trace(original_trace_str.value()); |
| auto original_processes = CollectProcessNames(std::move(original_trace)); |
| |
| ASSERT_GT(original_processes.size(), 1u); |
| |
| protos::pbzero::Trace::Decoder redacted_trace(redacted_trace_str.value()); |
| auto redacted_processes = CollectProcessNames(std::move(redacted_trace)); |
| |
| ASSERT_EQ(redacted_processes.size(), 1u); |
| ASSERT_EQ(redacted_processes.at(0), kProcessName); |
| } |
| |
| } // namespace perfetto::trace_redaction |