From b8345246dcc2121bcb6d1515a9341789de20199f Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Sun, 27 Oct 2024 09:04:05 -0500
Subject: First crack at file objects.

---
 test/test_common.cpp | 60 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 56 insertions(+), 4 deletions(-)

(limited to 'test/test_common.cpp')

diff --git a/test/test_common.cpp b/test/test_common.cpp
index d3e1704..784cb0d 100644
--- a/test/test_common.cpp
+++ b/test/test_common.cpp
@@ -16,7 +16,12 @@
  */
 
 #include "test_common.hpp"
+
+#include "fud_string.hpp"
+
 #include <cstdlib>
+#include <ftw.h>
+#include <gtest/gtest.h>
 
 namespace fud {
 
@@ -34,22 +39,69 @@ MockFudAlloc globalDefaultMockAlloc{};
 
 MockFudDealloc globalDefaultMockDealloc{};
 
-void* MockFudAllocator::allocate(size_t size) {
+void* MockFudAllocator::allocate(size_t size)
+{
     return (*m_allocator)(size);
 }
 
-void MockFudAllocator::deallocate(void* pointer) {
+void MockFudAllocator::deallocate(void* pointer)
+{
     return (*m_deallocator)(pointer);
 }
 
 MockFudAllocator globalMockFudAlloc{};
 
-void* fudAlloc(size_t size) {
+void* fudAlloc(size_t size)
+{
     return globalMockFudAlloc.allocate(size);
 }
 
-void fudFree(void* ptr) {
+void fudFree(void* ptr)
+{
     return globalMockFudAlloc.deallocate(ptr);
 }
 
+int unlink_cb(const char* fpath, const struct stat* sb_unused, int typeflag, struct FTW* ftwbuf)
+{
+    static_cast<void>(sb_unused);
+    int retValue = remove(fpath);
+
+    EXPECT_EQ(retValue, 0);
+    if (retValue != 0) {
+        perror(fpath);
+    }
+
+    return retValue;
+}
+
+FudStatus removeRecursive(const String& path)
+{
+    if (!path.utf8Valid()) {
+        return FudStatus::Utf8Invalid;
+    }
+    if (path.length() < 5) {
+        return FudStatus::ArgumentInvalid;
+    }
+    auto prefix{String::makeFromCString("/tmp/").takeOkay()};
+    auto diffResult = compareMem(path.data(), path.length(), prefix.data(), prefix.length());
+    if (diffResult.isError()) {
+        return FudStatus::ArgumentInvalid;
+    }
+    auto diff = diffResult.getOkay();
+    if (diff != 0) {
+        return FudStatus::ArgumentInvalid;
+    }
+    constexpr int maxOpenFd = 64;
+    auto status = nftw(path.c_str(), unlink_cb, maxOpenFd, FTW_DEPTH | FTW_PHYS);
+    if (status == 0) {
+        return FudStatus::Success;
+    }
+
+    if (errno == ENOENT) {
+        return FudStatus::Success;
+    }
+
+    return FudStatus::Failure;
+}
+
 } // namespace fud
-- 
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