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/*
Copyright (C) 2021 The Falco Authors.
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 "sinsp.h"
#include <gtest.h>
sinsp_procinfo make_procinfo(sinsp* inspector, int64_t tid, int64_t tgid)
{
sinsp_procinfo procinfo(inspector);
procinfo.m_tid = tid;
procinfo.m_tgid = tgid;
return procinfo;
}
sinsp_procinfo make_procinfo(int64_t tid, int64_t tgid)
{
sinsp_procinfo procinfo;
procinfo.m_tid = tid;
procinfo.m_tgid = tgid;
return procinfo;
}
sinsp_procinfo make_procinfo(int64_t tid)
{
return make_procinfo(tid,tid);
}
TEST(procinfo_single_thread,add_non_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
sinsp_fdinfo fdinfo;
procinfo.add_fd(0, &fdinfo);
EXPECT_EQ(1, procinfo.m_fdtable.count(0));
}
TEST(procinfo_single_thread,add_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
sinsp_fdinfo fdinfo1;
fdinfo1.m_name = "a";
sinsp_fdinfo fdinfo2;
fdinfo2.m_name = "b";
procinfo.add_fd(0, &fdinfo1);
procinfo.add_fd(0, &fdinfo2);
EXPECT_EQ("b", procinfo.m_fdtable[0].m_name);
}
TEST(procinfo_single_thread,get_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
sinsp_fdinfo fdinfo;
fdinfo.m_name = "a";
procinfo.add_fd(0, &fdinfo);
EXPECT_EQ("a", procinfo.get_fd(0)->m_name);
}
TEST(procinfo_single_thread,get_non_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
EXPECT_TRUE(NULL == procinfo.get_fd(0));
}
TEST(procinfo_single_thread,remove_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
sinsp_fdinfo fdinfo;
procinfo.add_fd(0, &fdinfo);
procinfo.remove_fd(0);
EXPECT_TRUE(NULL == procinfo.get_fd(0));
}
TEST(procinfo_single_thread, remove_not_existing_fd)
{
sinsp_procinfo procinfo = make_procinfo(0);
#ifdef _DEBUG
ASSERT_DEATH(procinfo.remove_fd(0), ".*");
#else
procinfo.remove_fd(0);
#endif
}
TEST(procinfo_multi_thread,add_non_existing_fd)
{
sinsp inspector;
sinsp_procinfo parent = make_procinfo(&inspector, 0, 0);
sinsp_procinfo child = make_procinfo(&inspector, 1, 0);
child.m_flags = PPM_CL_CLONE_FILES;
inspector.add_process(parent);
inspector.add_process(child);
EXPECT_TRUE(NULL == inspector.get_process(1)->get_fd(0));
sinsp_fdinfo fdinfo;
inspector.get_process(0)->add_fd(0, &fdinfo);
EXPECT_TRUE(NULL != inspector.get_process(1)->get_fd(0));
}
TEST(procinfo,get_fd_table_single_thread)
{
sinsp inspector;
sinsp_procinfo parent = make_procinfo(&inspector, 0, 0);
EXPECT_EQ(&(parent.m_fdtable), parent.get_fd_table());
}
TEST(procinfo,get_fd_table_multi_thread)
{
sinsp inspector;
// setup a process with a child thread
sinsp_procinfo parent = make_procinfo(&inspector, 0, 0);
sinsp_procinfo child = make_procinfo(&inspector, 1, 0);
child.m_flags = PPM_CL_CLONE_FILES;
inspector.add_process(parent);
inspector.add_process(child);
sinsp_procinfo* parent_proc = inspector.get_process(0);
sinsp_procinfo* child_proc = inspector.get_process(1);
// the child's fd table is the same as the parent's
EXPECT_EQ(child_proc->get_fd_table(), parent_proc->get_fd_table());
}
TEST(procinfo,get_root_process_single_thread)
{
sinsp inspector;
sinsp_procinfo proc = make_procinfo(&inspector, 0, 0);
EXPECT_EQ(&proc, proc.get_root_process());
}
TEST(procinfo,get_root_process_child_clone)
{
sinsp inspector;
sinsp_procinfo parent = make_procinfo(&inspector, 0, 0);
sinsp_procinfo child = make_procinfo(&inspector, 1, 0);
child.m_flags = PPM_CL_CLONE_FILES;
inspector.add_process(parent);
inspector.add_process(child);
EXPECT_EQ(inspector.get_process(0), inspector.get_process(1)->get_root_process());
}
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