1 files changed, 121 insertions, 0 deletions
diff --git a/tests/sys/fs/fusefs/access.cc b/tests/sys/fs/fusefs/access.cc
new file mode 100644
index 000000000000..f5ee9d793b63
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+++ b/tests/sys/fs/fusefs/access.cc
@@ -0,0 +1,121 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2019 The FreeBSD Foundation
+ *
+ * This software was developed by BFF Storage Systems, LLC under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+extern "C" {
+#include <fcntl.h>
+#include <unistd.h>
+}
+
+#include "mockfs.hh"
+#include "utils.hh"
+
+using namespace testing;
+
+class Access: public FuseTest {
+public:
+void expect_lookup(const char *relpath, uint64_t ino)
+{
+	FuseTest::expect_lookup(relpath, ino, S_IFREG | 0644, 0, 1);
+}
+};
+
+class RofsAccess: public Access {
+public:
+virtual void SetUp() {
+	m_ro = true;
+	Access::SetUp();
+}
+};
+
+/* The error case of FUSE_ACCESS.  */
+TEST_F(Access, eaccess)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	mode_t	access_mode = X_OK;
+
+	expect_access(FUSE_ROOT_ID, X_OK, 0);
+	expect_lookup(RELPATH, ino);
+	expect_access(ino, access_mode, EACCES);
+
+	ASSERT_NE(0, access(FULLPATH, access_mode));
+	ASSERT_EQ(EACCES, errno);
+}
+
+/*
+ * If the filesystem returns ENOSYS, then it is treated as a permanent success,
+ * and subsequent VOP_ACCESS calls will succeed automatically without querying
+ * the daemon.
+ */
+TEST_F(Access, enosys)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	mode_t	access_mode = R_OK;
+
+	expect_access(FUSE_ROOT_ID, X_OK, ENOSYS);
+	FuseTest::expect_lookup(RELPATH, ino, S_IFREG | 0644, 0, 2);
+
+	ASSERT_EQ(0, access(FULLPATH, access_mode)) << strerror(errno);
+	ASSERT_EQ(0, access(FULLPATH, access_mode)) << strerror(errno);
+}
+
+TEST_F(RofsAccess, erofs)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	mode_t	access_mode = W_OK;
+
+	expect_access(FUSE_ROOT_ID, X_OK, 0);
+	expect_lookup(RELPATH, ino);
+
+	ASSERT_NE(0, access(FULLPATH, access_mode));
+	ASSERT_EQ(EROFS, errno);
+}
+
+/* The successful case of FUSE_ACCESS.  */
+TEST_F(Access, ok)
+{
+	const char FULLPATH[] = "mountpoint/some_file.txt";
+	const char RELPATH[] = "some_file.txt";
+	uint64_t ino = 42;
+	mode_t	access_mode = R_OK;
+
+	expect_access(FUSE_ROOT_ID, X_OK, 0);
+	expect_lookup(RELPATH, ino);
+	expect_access(ino, access_mode, 0);
+
+	ASSERT_EQ(0, access(FULLPATH, access_mode)) << strerror(errno);
+}