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#include "../src/file.h"
#include <inttypes.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "test.h"
static bool can_open_dev_null (void) {
FILE *file = fopen ("/dev/null", "r");
if (!file)
return false;
fclose (file);
return true;
}
static bool etc_shadow_exists (void) {
struct stat buf;
return !stat ("/etc/shadow", &buf);
}
static void test_file_basic (void) {
assert (!kissat_file_readable (0));
assert (!kissat_file_writable (0));
file file;
kissat_read_already_open_file (&file, stdin, "<stdin>");
kissat_close_file (&file);
kissat_write_already_open_file (&file, stdout, "<stdout>");
kissat_close_file (&file);
assert (
!kissat_open_to_write_file (&file, "/root/directory/not-writable"));
assert (!kissat_file_size ("/root/directory/not-writable"));
}
static void test_file_readable (void) {
#define READABLE(EXPECTED, PATH) \
do { \
bool RES = kissat_file_readable (PATH); \
if (RES && EXPECTED) \
printf ("file '%s' determined to be readable as expected\n", PATH); \
else if (!RES && ~EXPECTED) \
printf ("file '%s' determined not to be readable as expected\n", \
PATH); \
else if (RES && !EXPECTED) \
FATAL ("file '%s' determined to be readable unexpectedly", PATH); \
else if (!RES && EXPECTED) \
FATAL ("file '%s' determined to not be readable unexpectedly", \
PATH); \
} while (0)
assert (!kissat_file_readable (0));
READABLE (false, "non-existing-file");
READABLE (true, "tissat");
READABLE (true, ".");
if (etc_shadow_exists ())
READABLE (false, "/etc/shadow");
if (can_open_dev_null ())
READABLE (true, "/dev/null");
#undef EXISTS
}
static void test_file_writable (void) {
#define WRITABLE(EXPECTED, PATH) \
do { \
bool RES = kissat_file_writable (PATH); \
if (RES && EXPECTED) \
printf ("file '%s' determined to be writable as expected\n", PATH); \
else if (!RES && ~EXPECTED) \
printf ("file '%s' determined not to be writable as expected\n", \
PATH); \
else if (RES && !EXPECTED) \
FATAL ("file '%s' determined to be writable unexpectedly", PATH); \
else if (!RES && EXPECTED) \
FATAL ("file '%s' determined not to be writable unexpectedly", \
PATH); \
} while (0)
assert (!kissat_file_writable (0));
WRITABLE (true, "../test/file/writable");
if (can_open_dev_null ())
WRITABLE (true, "/dev/null");
WRITABLE (false, "");
WRITABLE (true, "non-existing-file");
WRITABLE (false, ".");
WRITABLE (false, "/");
WRITABLE (false, "tissat/test");
WRITABLE (true, "../test/file/non-existing");
WRITABLE (false, "/kissat-test-file-writable");
WRITABLE (false, "non-existing-directory/file-in-non-existing-directory");
if (kissat_file_exists ("/etc/passwd"))
WRITABLE (false, "/etc/passwd");
#undef WRITABLE
}
#ifdef KISSAT_COMPRESSED
static void test_file_read_compressed (void) {
const size_t expected_bytes = kissat_file_size ("../test/file/0");
#define READ_COMPRESSED(EXPECTED, EXECUTABLE, PATH) \
do { \
file file; \
if (!kissat_find_executable (EXECUTABLE)) { \
printf ("skipping '%s': could not find executable '%s'\n", \
EXECUTABLE, PATH); \
break; \
} \
bool res = kissat_open_to_read_file (&file, PATH); \
if (res && EXPECTED) \
printf ("opened compressed '%s' for reading as expected\n", PATH); \
else if (!res && !EXPECTED) \
printf ("failed to open compressed '%s' for reading as expected\n", \
PATH); \
else if (!res && EXPECTED) \
FATAL ("failed to open compressed '%s' for reading unexpectedly", \
PATH); \
else if (res && !EXPECTED) \
FATAL ("opened compressed '%s' for reading unexpectedly", PATH); \
if (!res) \
break; \
int ch; \
while ((ch = kissat_getc (&file)) != EOF) \
; \
printf ("closing '%s' after reading '%" PRIu64 "' bytes\n", PATH, \
file.bytes); \
kissat_close_file (&file); \
if (file.bytes != expected_bytes) \
FATAL ("read '%" PRIu64 "' bytes but expected '%zu'", file.bytes, \
expected_bytes); \
} while (0)
READ_COMPRESSED (true, "bzip2", "../test/file/1.bz2");
READ_COMPRESSED (true, "gzip", "../test/file/2.gz");
READ_COMPRESSED (true, "lzma", "../test/file/3.lzma");
READ_COMPRESSED (true, "7z", "../test/file/4.7z");
READ_COMPRESSED (true, "xz", "../test/file/5.xz");
READ_COMPRESSED (false, "bzip2", "../test/file/non-existing.bz2");
READ_COMPRESSED (false, "gzip", "../test/file/non-existing.gz");
READ_COMPRESSED (false, "lzma", "../test/file/non-existing.lzma");
READ_COMPRESSED (false, "7z", "../test/file/non-existing.7z");
READ_COMPRESSED (false, "xz", "../test/file/non-existing.xz");
READ_COMPRESSED (true, "bzip2", "../test/file/uncompressed.bz2");
READ_COMPRESSED (true, "gzip", "../test/file/uncompressed.gz");
READ_COMPRESSED (true, "lzma", "../test/file/uncompressed.lzma");
READ_COMPRESSED (true, "7z", "../test/file/uncompressed.7z");
READ_COMPRESSED (true, "xz", "../test/file/uncompressed.xz");
}
#endif
static void test_file_read_uncompressed (void) {
const size_t expected_bytes = kissat_file_size ("../test/file/0");
#define READ_UNCOMPRESSED(EXPECTED, PATH) \
do { \
file file; \
bool res = kissat_open_to_read_file (&file, PATH); \
if (res && EXPECTED) \
printf ("opened uncompressed '%s' for reading as expected\n", PATH); \
else if (!res && !EXPECTED) \
printf ( \
"failed to open uncompressed '%s' for reading as expected\n", \
PATH); \
else if (!res && EXPECTED) \
FATAL ("failed to open uncompressed '%s' for reading unexpectedly", \
PATH); \
else if (res && !EXPECTED) \
FATAL ("opened uncompressed '%s' for reading unexpectedly", PATH); \
if (!res) \
break; \
int ch; \
while ((ch = kissat_getc (&file)) != EOF) \
; \
printf ("closing '%s' after reading '%" PRIu64 "' bytes\n", PATH, \
file.bytes); \
kissat_close_file (&file); \
if (file.bytes != expected_bytes) \
FATAL ("read '%" PRIu64 "' bytes but expected '%zu'", file.bytes, \
expected_bytes); \
} while (0)
READ_UNCOMPRESSED (true, "../test/file/0");
READ_UNCOMPRESSED (false, "../test/file/non-existing");
READ_UNCOMPRESSED (true, "../test/file/uncompressed.bz2");
READ_UNCOMPRESSED (true, "../test/file/uncompressed.gz");
READ_UNCOMPRESSED (true, "../test/file/uncompressed.lzma");
READ_UNCOMPRESSED (true, "../test/file/uncompressed.7z");
READ_UNCOMPRESSED (true, "../test/file/uncompressed.xz");
}
#ifdef KISSAT_COMPRESSED
static void test_file_write_and_read_compressed (void) {
#define WRITE_AND_READ_COMPRESSED(EXECUTABLE, SUFFIX) \
do { \
if (!kissat_find_executable (EXECUTABLE)) \
printf ("not writing and reading compressed '%s' file " \
"(could not find '%s' executable)", \
SUFFIX, EXECUTABLE); \
else { \
printf ("found '%s' executable in path\n", EXECUTABLE); \
file file; \
const char *path = "42" SUFFIX; \
printf ("writing single '42' line to compressed '%s'\n", path); \
if (!kissat_open_to_write_file (&file, path)) \
FATAL ("failed to write compressed '%s'", path); \
else { \
kissat_putc (&file, '4'); \
kissat_putc (&file, '2'); \
kissat_putc (&file, '\n'); \
kissat_close_file (&file); \
printf ("reading single '42' line from compressed '%s'\n", path); \
if (!kissat_open_to_read_file (&file, path)) \
FATAL ("failed to read compressed '%s'", path); \
int chars = 0; \
if ((++chars && kissat_getc (&file) != '4') || \
(++chars && kissat_getc (&file) != '2') || \
(++chars && kissat_getc (&file) != '\n') || \
(++chars && kissat_getc (&file) != EOF)) \
FATAL ("failed to read single '42' line from '%s' " \
"(character %d wrong)", \
path, chars); \
} \
} \
} while (0)
WRITE_AND_READ_COMPRESSED ("7z", ".7z");
WRITE_AND_READ_COMPRESSED ("bzip2", ".bz2");
WRITE_AND_READ_COMPRESSED ("gzip", ".gz");
WRITE_AND_READ_COMPRESSED ("lzma", ".lzma");
WRITE_AND_READ_COMPRESSED ("xz", ".xz");
}
#endif
void tissat_schedule_file (void) {
SCHEDULE_FUNCTION (test_file_basic);
SCHEDULE_FUNCTION (test_file_readable);
if (tissat_found_test_directory)
SCHEDULE_FUNCTION (test_file_writable);
if (tissat_found_test_directory)
SCHEDULE_FUNCTION (test_file_read_uncompressed);
#ifdef KISSAT_COMPRESSED
SCHEDULE_FUNCTION (test_file_write_and_read_compressed);
if (tissat_found_test_directory)
SCHEDULE_FUNCTION (test_file_read_compressed);
#endif
}
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