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-rw-r--r--test/log_process.cpp153
-rw-r--r--test/meson.build1
2 files changed, 154 insertions, 0 deletions
diff --git a/test/log_process.cpp b/test/log_process.cpp
new file mode 100644
index 00000000..36d25b27
--- /dev/null
+++ b/test/log_process.cpp
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * log_process.cpp - Logging in isolated child process test
+ */
+
+#include <fcntl.h>
+#include <iostream>
+#include <random>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <vector>
+
+#include <libcamera/camera_manager.h>
+#include <libcamera/event_dispatcher.h>
+#include <libcamera/logging.h>
+#include <libcamera/timer.h>
+
+#include "log.h"
+#include "process.h"
+#include "test.h"
+#include "utils.h"
+
+using namespace std;
+using namespace libcamera;
+
+static const string message("hello from the child");
+
+LOG_DEFINE_CATEGORY(LogProcessTest)
+
+class LogProcessTestChild
+{
+public:
+ int run(int status, int num)
+ {
+ usleep(50000);
+
+ string logPath = "/tmp/libcamera.worker.test." +
+ to_string(num) + ".log";
+ if (logSetFile(logPath.c_str()) < 0)
+ return TestSkip;
+
+ LOG(LogProcessTest, Warning) << message;
+
+ return status;
+ }
+};
+
+class LogProcessTest : public Test
+{
+protected:
+ int init()
+ {
+ random_device random;
+ num_ = random();
+ logPath_ = "/tmp/libcamera.worker.test." +
+ to_string(num_) + ".log";
+
+ proc_.finished.connect(this, &LogProcessTest::procFinished);
+ return 0;
+ }
+
+ int run()
+ {
+ EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher();
+ Timer timeout;
+
+ int exitCode = 42;
+ vector<std::string> args;
+ args.push_back(to_string(exitCode));
+ args.push_back(to_string(num_));
+ int ret = proc_.start("/proc/self/exe", args);
+ if (ret) {
+ cerr << "failed to start process" << endl;
+ return TestFail;
+ }
+
+ timeout.start(200);
+ while (timeout.isRunning())
+ dispatcher->processEvents();
+
+ if (exitStatus_ != Process::NormalExit) {
+ cerr << "process did not exit normally" << endl;
+ return TestFail;
+ }
+
+ if (exitCode_ == TestSkip)
+ return TestSkip;
+
+ if (exitCode_ != exitCode) {
+ cerr << "exit code should be " << exitCode
+ << ", actual is " << exitCode_ << endl;
+ return TestFail;
+ }
+
+ int fd = open(logPath_.c_str(), O_RDONLY, S_IRUSR);
+ if (fd < 0) {
+ cerr << "failed to open tmp log file" << endl;
+ return TestFail;
+ }
+
+ char buf[200];
+ memset(buf, 0, sizeof(buf));
+ if (read(fd, buf, sizeof(buf)) < 0) {
+ cerr << "Failed to read tmp log file" << endl;
+ return TestFail;
+ }
+ close(fd);
+
+ string str(buf);
+ if (str.find(message) == string::npos)
+ return TestFail;
+
+ return TestPass;
+ }
+
+ void cleanup()
+ {
+ unlink(logPath_.c_str());
+ }
+
+private:
+ void procFinished(Process *proc, enum Process::ExitStatus exitStatus, int exitCode)
+ {
+ exitStatus_ = exitStatus;
+ exitCode_ = exitCode;
+ }
+
+ Process proc_;
+ Process::ExitStatus exitStatus_;
+ string logPath_;
+ int exitCode_;
+ int num_;
+};
+
+/*
+ * Can't use TEST_REGISTER() as single binary needs to act as both
+ * parent and child processes.
+ */
+int main(int argc, char **argv)
+{
+ if (argc == 3) {
+ int status = std::stoi(argv[1]);
+ int num = std::stoi(argv[2]);
+ LogProcessTestChild child;
+ return child.run(status, num);
+ }
+
+ return LogProcessTest().execute();
+}
diff --git a/test/meson.build b/test/meson.build
index ad1a2f2a..658f283e 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -23,6 +23,7 @@ public_tests = [
internal_tests = [
['camera-sensor', 'camera-sensor.cpp'],
['log', 'log.cpp'],
+ ['log_process', 'log_process.cpp'],
['message', 'message.cpp'],
['signal-threads', 'signal-threads.cpp'],
['threads', 'threads.cpp'],