diff options
Diffstat (limited to 'src/test/test-copy.c')
| -rw-r--r-- | src/test/test-copy.c | 112 |
1 files changed, 96 insertions, 16 deletions
diff --git a/src/test/test-copy.c b/src/test/test-copy.c index b73c958ec5..ed1ea51dbd 100644 --- a/src/test/test-copy.c +++ b/src/test/test-copy.c @@ -19,14 +19,19 @@ #include <unistd.h> +#include "alloc-util.h" #include "copy.h" -#include "path-util.h" +#include "fd-util.h" #include "fileio.h" +#include "fs-util.h" +#include "log.h" +#include "macro.h" #include "mkdir.h" +#include "path-util.h" +#include "rm-rf.h" +#include "string-util.h" #include "strv.h" -#include "macro.h" #include "util.h" -#include "rm-rf.h" static void test_copy_file(void) { _cleanup_free_ char *buf = NULL; @@ -35,11 +40,13 @@ static void test_copy_file(void) { size_t sz = 0; int fd; - fd = mkostemp_safe(fn, O_RDWR|O_CLOEXEC); + log_info("%s", __func__); + + fd = mkostemp_safe(fn); assert_se(fd >= 0); close(fd); - fd = mkostemp_safe(fn_copy, O_RDWR|O_CLOEXEC); + fd = mkostemp_safe(fn_copy); assert_se(fd >= 0); close(fd); @@ -62,9 +69,11 @@ static void test_copy_file_fd(void) { char text[] = "boohoo\nfoo\n\tbar\n"; char buf[64] = {0}; - in_fd = mkostemp_safe(in_fn, O_RDWR); + log_info("%s", __func__); + + in_fd = mkostemp_safe(in_fn); assert_se(in_fd >= 0); - out_fd = mkostemp_safe(out_fn, O_RDWR); + out_fd = mkostemp_safe(out_fn); assert_se(out_fd >= 0); assert_se(write_string_file(in_fn, text, WRITE_STRING_FILE_CREATE) == 0); @@ -86,31 +95,43 @@ static void test_copy_tree(void) { char **links = STRV_MAKE("link", "file", "link2", "dir1/file"); char **p, **link; + const char *unixsockp; + struct stat st; + + log_info("%s", __func__); (void) rm_rf(copy_dir, REMOVE_ROOT|REMOVE_PHYSICAL); (void) rm_rf(original_dir, REMOVE_ROOT|REMOVE_PHYSICAL); STRV_FOREACH(p, files) { - char *f = strjoina(original_dir, *p); + _cleanup_free_ char *f; + + assert_se(f = strappend(original_dir, *p)); assert_se(mkdir_parents(f, 0755) >= 0); assert_se(write_string_file(f, "file", WRITE_STRING_FILE_CREATE) == 0); } STRV_FOREACH_PAIR(link, p, links) { - char *f = strjoina(original_dir, *p); - char *l = strjoina(original_dir, *link); + _cleanup_free_ char *f, *l; + + assert_se(f = strappend(original_dir, *p)); + assert_se(l = strappend(original_dir, *link)); assert_se(mkdir_parents(l, 0755) >= 0); assert_se(symlink(f, l) == 0); } + unixsockp = strjoina(original_dir, "unixsock"); + assert_se(mknod(unixsockp, S_IFSOCK|0644, 0) >= 0); + assert_se(copy_tree(original_dir, copy_dir, true) == 0); STRV_FOREACH(p, files) { - _cleanup_free_ char *buf = NULL; + _cleanup_free_ char *buf = NULL, *f; size_t sz = 0; - char *f = strjoina(copy_dir, *p); + + assert_se(f = strappend(copy_dir, *p)); assert_se(access(f, F_OK) == 0); assert_se(read_full_file(f, &buf, &sz) == 0); @@ -118,14 +139,19 @@ static void test_copy_tree(void) { } STRV_FOREACH_PAIR(link, p, links) { - _cleanup_free_ char *target = NULL; - char *f = strjoina(original_dir, *p); - char *l = strjoina(copy_dir, *link); + _cleanup_free_ char *target = NULL, *f, *l; + + assert_se(f = strjoin(original_dir, *p, NULL)); + assert_se(l = strjoin(copy_dir, *link, NULL)); assert_se(readlink_and_canonicalize(l, &target) == 0); assert_se(path_equal(f, target)); } + unixsockp = strjoina(copy_dir, "unixsock"); + assert_se(stat(unixsockp, &st) >= 0); + assert_se(S_ISSOCK(st.st_mode)); + assert_se(copy_tree(original_dir, copy_dir, false) < 0); assert_se(copy_tree("/tmp/inexistent/foo/bar/fsdoi", copy_dir, false) < 0); @@ -146,7 +172,7 @@ static void test_copy_bytes(void) { assert_se(pipe2(pipefd, O_CLOEXEC) == 0); - r = copy_bytes(infd, pipefd[1], (off_t) -1, false); + r = copy_bytes(infd, pipefd[1], (uint64_t) -1, false); assert_se(r == 0); r = read(pipefd[0], buf, sizeof(buf)); @@ -169,11 +195,65 @@ static void test_copy_bytes(void) { assert_se(r == -EBADF); } +static void test_copy_bytes_regular_file(const char *src, bool try_reflink, uint64_t max_bytes) { + char fn2[] = "/tmp/test-copy-file-XXXXXX"; + char fn3[] = "/tmp/test-copy-file-XXXXXX"; + _cleanup_close_ int fd = -1, fd2 = -1, fd3 = -1; + int r; + struct stat buf, buf2, buf3; + + log_info("%s try_reflink=%s max_bytes=%" PRIu64, __func__, yes_no(try_reflink), max_bytes); + + fd = open(src, O_RDONLY | O_CLOEXEC | O_NOCTTY); + assert_se(fd >= 0); + + fd2 = mkostemp_safe(fn2); + assert_se(fd2 >= 0); + + fd3 = mkostemp_safe(fn3); + assert_se(fd3 >= 0); + + r = copy_bytes(fd, fd2, max_bytes, try_reflink); + if (max_bytes == (uint64_t) -1) + assert_se(r == 0); + else + assert_se(IN_SET(r, 0, 1)); + + assert_se(lseek(fd2, 0, SEEK_SET) == 0); + + r = copy_bytes(fd2, fd3, max_bytes, try_reflink); + if (max_bytes == (uint64_t) -1) + assert_se(r == 0); + else + /* We cannot distinguish between the input being exactly max_bytes + * or longer than max_bytes (without trying to read one more byte, + * or calling stat, or FION_READ, etc, and we don't want to do any + * of that). So we expect "truncation" since we know that file we + * are copying is exactly max_bytes bytes. */ + assert_se(r == 1); + + assert_se(fstat(fd, &buf) == 0); + assert_se(fstat(fd2, &buf2) == 0); + assert_se(fstat(fd3, &buf3) == 0); + + assert_se((uint64_t) buf2.st_size == MIN((uint64_t) buf.st_size, max_bytes)); + assert_se(buf3.st_size == buf2.st_size); + + unlink(fn2); + unlink(fn3); +} + int main(int argc, char *argv[]) { test_copy_file(); test_copy_file_fd(); test_copy_tree(); test_copy_bytes(); + test_copy_bytes_regular_file(argv[0], false, (uint64_t) -1); + test_copy_bytes_regular_file(argv[0], true, (uint64_t) -1); + test_copy_bytes_regular_file(argv[0], false, 1000); /* smaller than copy buffer size */ + test_copy_bytes_regular_file(argv[0], true, 1000); + test_copy_bytes_regular_file(argv[0], false, 32000); /* larger than copy buffer size */ + test_copy_bytes_regular_file(argv[0], true, 32000); return 0; } |