From 9036aba41b753b1aa741a27e9ea0e6b381f51795 Mon Sep 17 00:00:00 2001
From: Falk Werner <falk.werner@gmx.net>
Date: Fri, 30 Dec 2022 19:43:45 +0100
Subject: [PATCH] added test utilities

---
 test-src/webfuse/test/tempdir.cpp | 23 ++++++++++++++++++
 test-src/webfuse/test/tempdir.hpp | 22 +++++++++++++++++
 test-src/webfuse/test/thread.cpp  | 39 +++++++++++++++++++++++++++++++
 test-src/webfuse/test/thread.hpp  | 22 +++++++++++++++++
 test-src/webfuse/test_app.cpp     | 31 ++++++++++++++++++++++++
 5 files changed, 137 insertions(+)
 create mode 100644 test-src/webfuse/test/tempdir.cpp
 create mode 100644 test-src/webfuse/test/tempdir.hpp
 create mode 100644 test-src/webfuse/test/thread.cpp
 create mode 100644 test-src/webfuse/test/thread.hpp

diff --git a/test-src/webfuse/test/tempdir.cpp b/test-src/webfuse/test/tempdir.cpp
new file mode 100644
index 0000000..9474ba5
--- /dev/null
+++ b/test-src/webfuse/test/tempdir.cpp
@@ -0,0 +1,23 @@
+#include "webfuse/test/tempdir.hpp"
+#include <unistd.h>
+
+namespace webfuse
+{
+
+tempdir::tempdir()
+{
+    char path_template[] = "/tmp/webfuse_test_XXXXXX";
+    path = mkdtemp(path_template);
+}
+
+tempdir::~tempdir()
+{
+    unlink(path.c_str());
+}
+
+std::string const tempdir::name() const
+{
+    return path;
+}
+
+}
\ No newline at end of file
diff --git a/test-src/webfuse/test/tempdir.hpp b/test-src/webfuse/test/tempdir.hpp
new file mode 100644
index 0000000..216341b
--- /dev/null
+++ b/test-src/webfuse/test/tempdir.hpp
@@ -0,0 +1,22 @@
+#ifndef WEBFUSE_TEMPDIR_HPP
+#define WEBFUSE_TEMPDIR_HPP
+
+#include <string>
+
+namespace webfuse
+{
+
+class tempdir
+{
+public:
+    tempdir();
+    ~tempdir();
+    std::string const name() const;
+private:
+    std::string path;
+
+};
+
+}
+
+#endif
diff --git a/test-src/webfuse/test/thread.cpp b/test-src/webfuse/test/thread.cpp
new file mode 100644
index 0000000..2ebef00
--- /dev/null
+++ b/test-src/webfuse/test/thread.cpp
@@ -0,0 +1,39 @@
+#include "webfuse/test/thread.hpp"
+#include <csignal>
+
+namespace
+{
+
+extern "C" void * webfuse_thread_main(void * args)
+{
+    auto * run = reinterpret_cast<std::function<void(void)> *>(args);
+    (*run)();
+    return nullptr;
+}
+
+}
+
+
+namespace webfuse
+{
+
+thread::thread(std::function<void(void)> run)
+{
+    pthread_create(&real_thread, nullptr, 
+        &webfuse_thread_main,
+        reinterpret_cast<void*>(&run));
+
+}
+
+thread::~thread()
+{
+    pthread_join(real_thread, nullptr);
+}
+
+void thread::kill(int signal_id)
+{
+    pthread_kill(real_thread, signal_id);
+}
+
+
+}
\ No newline at end of file
diff --git a/test-src/webfuse/test/thread.hpp b/test-src/webfuse/test/thread.hpp
new file mode 100644
index 0000000..8dfbd67
--- /dev/null
+++ b/test-src/webfuse/test/thread.hpp
@@ -0,0 +1,22 @@
+#ifndef WEBFUSE_THREAD_HPP
+#define WEBFUSE_THREAD_HPP
+
+#include <pthread.h>
+#include <functional>
+
+namespace webfuse
+{
+
+class thread
+{
+public:
+    explicit thread(std::function<void(void)> run);
+    ~thread();
+    void kill(int signal_id);
+private:
+    pthread_t real_thread;
+};
+
+}
+
+#endif
diff --git a/test-src/webfuse/test_app.cpp b/test-src/webfuse/test_app.cpp
index d15cfde..0f546c6 100644
--- a/test-src/webfuse/test_app.cpp
+++ b/test-src/webfuse/test_app.cpp
@@ -1,7 +1,38 @@
 #include "webfuse/webfuse.hpp"
+#include "webfuse/test/thread.hpp"
+#include "webfuse/test/tempdir.hpp"
 #include <gtest/gtest.h>
+#include <csignal>
+#include <cstring>
+#include <cstdlib>
+#include <chrono>
+#include <thread>
+
+extern "C" void * run(void * args)
+{
+    webfuse::app * app = reinterpret_cast<webfuse::app*>(args);
+
+    return nullptr;
+}
 
 TEST(app, init)
 {
     webfuse::app app;
+}
+
+TEST(app, run)
+{   
+    webfuse::tempdir dir;
+    webfuse::thread thread([&dir](){
+        webfuse::app app;
+        char arg0[] = "webfuse";
+        char arg1[] = "-f";
+        char* arg2 = strdup(dir.name().c_str());
+        char* argv[] = { arg0, arg1, arg2, nullptr};
+        int rc = app.run(3, argv);
+        free(arg2);
+    });
+
+    std::this_thread::sleep_for(std::chrono::seconds(1));
+    thread.kill(SIGINT);
 }
\ No newline at end of file