source/child: Implement
diff --git a/test/Makefile.am b/test/Makefile.am
index 5a6c1bb..6a5fd9e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -37,6 +37,11 @@
source_base_CPPFLAGS = $(gtest_cppflags)
source_base_LDADD = $(gtest_ldadd)
+check_PROGRAMS += source_child
+source_child_SOURCES = source/child.cpp
+source_child_CPPFLAGS = $(gtest_cppflags)
+source_child_LDADD = $(gtest_ldadd)
+
check_PROGRAMS += source_event
source_event_SOURCES = source/event.cpp
source_event_CPPFLAGS = $(gtest_cppflags)
diff --git a/test/source/child.cpp b/test/source/child.cpp
new file mode 100644
index 0000000..e1e1322
--- /dev/null
+++ b/test/source/child.cpp
@@ -0,0 +1,163 @@
+#include <cerrno>
+#include <functional>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <memory>
+#include <sdeventplus/event.hpp>
+#include <sdeventplus/exception.hpp>
+#include <sdeventplus/source/child.hpp>
+#include <sdeventplus/test/sdevent.hpp>
+#include <sys/wait.h>
+#include <systemd/sd-event.h>
+#include <type_traits>
+#include <utility>
+
+namespace sdeventplus
+{
+namespace source
+{
+namespace
+{
+
+using testing::DoAll;
+using testing::Return;
+using testing::SaveArg;
+using testing::SetArgPointee;
+
+using UniqueEvent = std::unique_ptr<Event, std::function<void(Event*)>>;
+
+class ChildTest : public testing::Test
+{
+ protected:
+ testing::StrictMock<test::SdEventMock> mock;
+ sd_event_source* const expected_source =
+ reinterpret_cast<sd_event_source*>(1234);
+ sd_event* const expected_event = reinterpret_cast<sd_event*>(2345);
+ UniqueEvent event = make_event(expected_event);
+
+ UniqueEvent make_event(sd_event* event)
+ {
+ auto deleter = [this, event](Event* e) {
+ EXPECT_CALL(this->mock, sd_event_unref(event))
+ .WillOnce(Return(nullptr));
+ delete e;
+ };
+ return UniqueEvent(new Event(event, std::false_type(), &mock), deleter);
+ }
+
+ void expect_destruct()
+ {
+ {
+ testing::InSequence sequence;
+ EXPECT_CALL(mock, sd_event_source_set_enabled(expected_source,
+ SD_EVENT_OFF))
+ .WillOnce(Return(0));
+ EXPECT_CALL(mock, sd_event_source_unref(expected_source))
+ .WillOnce(Return(nullptr));
+ }
+ EXPECT_CALL(mock, sd_event_unref(expected_event))
+ .WillOnce(Return(nullptr));
+ }
+};
+
+TEST_F(ChildTest, ConstructSuccess)
+{
+ const pid_t pid = 50;
+ const int options = WEXITED;
+
+ EXPECT_CALL(mock, sd_event_ref(expected_event))
+ .WillOnce(Return(expected_event));
+ sd_event_child_handler_t handler;
+ EXPECT_CALL(mock, sd_event_add_child(expected_event, testing::_, pid,
+ options, testing::_, nullptr))
+ .WillOnce(DoAll(SetArgPointee<1>(expected_source), SaveArg<4>(&handler),
+ Return(0)));
+ void* userdata;
+ EXPECT_CALL(mock, sd_event_source_set_userdata(expected_source, testing::_))
+ .WillOnce(DoAll(SaveArg<1>(&userdata), Return(nullptr)));
+ int completions = 0;
+ const siginfo_t* return_si;
+ Child::Callback callback = [&](Child&, const siginfo_t* si) {
+ return_si = si;
+ completions++;
+ };
+ Child child(*event, pid, options, std::move(callback));
+ EXPECT_FALSE(callback);
+ EXPECT_EQ(&child, userdata);
+ EXPECT_EQ(0, completions);
+
+ const siginfo_t* expected_si = reinterpret_cast<siginfo_t*>(865);
+ EXPECT_EQ(0, handler(nullptr, expected_si, &child));
+ EXPECT_EQ(1, completions);
+ EXPECT_EQ(expected_si, return_si);
+
+ expect_destruct();
+}
+
+TEST_F(ChildTest, ConstructError)
+{
+ const pid_t pid = 50;
+ const int options = WEXITED;
+
+ EXPECT_CALL(mock, sd_event_add_child(expected_event, testing::_, pid,
+ options, testing::_, nullptr))
+ .WillOnce(Return(-EINVAL));
+ int completions = 0;
+ Child::Callback callback = [&completions](Child&, const siginfo_t*) {
+ completions++;
+ };
+ EXPECT_THROW(Child(*event, pid, options, std::move(callback)),
+ SdEventError);
+ EXPECT_TRUE(callback);
+ EXPECT_EQ(0, completions);
+}
+
+class ChildMethodTest : public ChildTest
+{
+ protected:
+ std::unique_ptr<Child> child;
+
+ void SetUp()
+ {
+ const pid_t pid = 50;
+ const int options = WEXITED;
+
+ EXPECT_CALL(mock, sd_event_ref(expected_event))
+ .WillOnce(Return(expected_event));
+ EXPECT_CALL(mock, sd_event_add_child(expected_event, testing::_, pid,
+ options, testing::_, nullptr))
+ .WillOnce(DoAll(SetArgPointee<1>(expected_source), Return(0)));
+ EXPECT_CALL(mock,
+ sd_event_source_set_userdata(expected_source, testing::_))
+ .WillOnce(Return(nullptr));
+ child = std::make_unique<Child>(*event, pid, options,
+ [](Child&, const siginfo_t*) {});
+ }
+
+ void TearDown()
+ {
+ expect_destruct();
+ child.reset();
+ }
+};
+
+TEST_F(ChildMethodTest, GetPidSuccess)
+{
+ const pid_t pid = 32;
+ EXPECT_CALL(mock,
+ sd_event_source_get_child_pid(expected_source, testing::_))
+ .WillOnce(DoAll(SetArgPointee<1>(pid), Return(0)));
+ EXPECT_EQ(pid, child->get_pid());
+}
+
+TEST_F(ChildMethodTest, GetPidError)
+{
+ EXPECT_CALL(mock,
+ sd_event_source_get_child_pid(expected_source, testing::_))
+ .WillOnce(Return(-EINVAL));
+ EXPECT_THROW(child->get_pid(), SdEventError);
+}
+
+} // namespace
+} // namespace source
+} // namespace sdeventplus