Differential D28607 Diff 83736 tests/sys/fs/fusefs/statfs.cc

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tests/sys/fs/fusefs/statfs.cc

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* SUCH DAMAGE.		* SUCH DAMAGE.
*		*
* $FreeBSD$		* $FreeBSD$
*/		*/

extern "C" {		extern "C" {
#include <sys/param.h>		#include <sys/param.h>
#include <sys/mount.h>		#include <sys/mount.h>
		#include <sys/sysctl.h>
#include <semaphore.h>		#include <semaphore.h>
}		}

#include "mockfs.hh"		#include "mockfs.hh"
#include "utils.hh"		#include "utils.hh"

using namespace testing;		using namespace testing;

class Statfs: public FuseTest {};		class Statfs: public FuseTest {};

		class Statfs_cached: public Statfs {
		public:
		virtual void SetUp() {
		m_init_flags \|= FUSE_WRITEBACK_CACHE;
		Statfs::SetUp();
		}
		};


TEST_F(Statfs, eio)		TEST_F(Statfs, eio)
{		{
struct statfs statbuf;		struct statfs statbuf;

EXPECT_CALL(*m_mock, process(		EXPECT_CALL(*m_mock, process(
ResultOf([](auto in) {		ResultOf([](auto in) {
return (in.header.opcode == FUSE_STATFS);		return (in.header.opcode == FUSE_STATFS);
}, Eq(true)),		}, Eq(true)),
▲ Show 20 Lines • Show All 91 Lines • ▼ Show 20 Lines	).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
SET_OUT_HEADER_LEN(out, statfs);		SET_OUT_HEADER_LEN(out, statfs);
out.body.statfs.st.blocks = 1000;		out.body.statfs.st.blocks = 1000;
out.body.statfs.st.bfree = 100;		out.body.statfs.st.bfree = 100;
out.body.statfs.st.bavail = 200;		out.body.statfs.st.bavail = 200;
out.body.statfs.st.files = 5;		out.body.statfs.st.files = 5;
out.body.statfs.st.ffree = 6;		out.body.statfs.st.ffree = 6;
out.body.statfs.st.namelen = 128;		out.body.statfs.st.namelen = 128;
out.body.statfs.st.frsize = 1024;		out.body.statfs.st.frsize = 1024;
		out.body.statfs.st.bsize = 131072;
})));		})));

ASSERT_NE(nullptr, getcwd(mp, PATH_MAX)) << strerror(errno);		ASSERT_NE(nullptr, getcwd(mp, PATH_MAX)) << strerror(errno);
strlcat(mp, "/mountpoint", PATH_MAX);		strlcat(mp, "/mountpoint", PATH_MAX);
ASSERT_EQ(0, statfs("mountpoint", &statbuf)) << strerror(errno);		ASSERT_EQ(0, statfs("mountpoint", &statbuf)) << strerror(errno);
EXPECT_EQ(1024ul, statbuf.f_bsize);		EXPECT_EQ(1024ul, statbuf.f_bsize);
/*
* fuse(4) ignores the filesystem's reported optimal transfer size, and
* chooses a size that works well with the rest of the system instead
*/
EXPECT_EQ(1000ul, statbuf.f_blocks);		EXPECT_EQ(1000ul, statbuf.f_blocks);
EXPECT_EQ(100ul, statbuf.f_bfree);		EXPECT_EQ(100ul, statbuf.f_bfree);
EXPECT_EQ(200l, statbuf.f_bavail);		EXPECT_EQ(200l, statbuf.f_bavail);
EXPECT_EQ(5ul, statbuf.f_files);		EXPECT_EQ(5ul, statbuf.f_files);
EXPECT_EQ(6l, statbuf.f_ffree);		EXPECT_EQ(6l, statbuf.f_ffree);
		EXPECT_EQ(131072ul, statbuf.f_iosize);
EXPECT_EQ(128u, statbuf.f_namemax);		EXPECT_EQ(128u, statbuf.f_namemax);
EXPECT_EQ(getuid(), statbuf.f_owner);		EXPECT_EQ(getuid(), statbuf.f_owner);
EXPECT_EQ(0, strcmp("fusefs", statbuf.f_fstypename));		EXPECT_EQ(0, strcmp("fusefs", statbuf.f_fstypename));
EXPECT_EQ(0, strcmp("/dev/fuse", statbuf.f_mntfromname));		EXPECT_EQ(0, strcmp("/dev/fuse", statbuf.f_mntfromname));
EXPECT_EQ(0, strcmp(mp, statbuf.f_mntonname));		EXPECT_EQ(0, strcmp(mp, statbuf.f_mntonname));
		}

		/*
		* When not using direct I/O fusefs will choose a minimum f_iosize suitable for
		* the buffer cache.
		*/
		TEST_F(Statfs_cached, ok)
		{
		struct statfs statbuf;
		int maxbcachebuf;
		const char *node = "vfs.maxbcachebuf";
		size_t size = sizeof(maxbcachebuf);

		ASSERT_EQ(0, sysctlbyname(node, &maxbcachebuf, &size, NULL, 0))
		<< strerror(errno);

		EXPECT_CALL(*m_mock, process(
		ResultOf([](auto in) {
		return (in.header.opcode == FUSE_STATFS);
		}, Eq(true)),
		_)
		).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, statfs);
		out.body.statfs.st.blocks = 1000;
		out.body.statfs.st.bfree = 100;
		out.body.statfs.st.bavail = 200;
		out.body.statfs.st.files = 5;
		out.body.statfs.st.ffree = 6;
		out.body.statfs.st.namelen = 128;
		out.body.statfs.st.frsize = 1024;
		out.body.statfs.st.bsize = 8192;
		})));

		ASSERT_EQ(0, statfs("mountpoint", &statbuf)) << strerror(errno);
		EXPECT_EQ((uint64_t)maxbcachebuf, statbuf.f_iosize);
		cemUnsubmitted Not Done Inline Actions As-written, I think this test would fail if vfs.macbcachebuf happened to be < 8192. I agree this is nonsense, but it's maybe worth calling out our environmental assumptions at least in a comment. cem: As-written, I think this test would fail if vfs.macbcachebuf happened to be < 8192. I agree…
}		}