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lib-fs: unit tests for fs-api/fs-posix
A core component, really ought to be covered by the unit tests. This barely scrapes the surface, but is better than nothing: filesystem/files/iterators, read/write/exists, good and bad cases. Signed-off-by: Phil Carmody <phil@dovecot.fi>
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May 8, 2017
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/* Copyright (c) 2016-2017 Dovecot authors, see the included COPYING file */ | ||
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#include "lib.h" | ||
#include "str.h" | ||
#include "fs-api.h" | ||
#include "safe-mkdir.h" | ||
#include "safe-mkstemp.h" | ||
#include "test-common.h" | ||
#include "unlink-directory.h" | ||
#include <sys/stat.h> | ||
#include <unistd.h> | ||
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static void test_fs_posix(void) | ||
{ | ||
const char testdir[] = ".test-fs-posix"; | ||
const char *unlink_err; | ||
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if (unlink_directory(testdir, UNLINK_DIRECTORY_FLAG_RMDIR, &unlink_err) < 0 && | ||
errno != ENOENT) { | ||
i_error("Couldn't prepare test directory (%s): %s", testdir, unlink_err); | ||
goto error_no_testdir; | ||
} | ||
if (safe_mkdir(testdir, 0700, (uid_t)-1, (gid_t)-1) != 1) { | ||
/* Something just raced us to create this directory, bail. */ | ||
goto error_no_testdir; | ||
} | ||
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int ret; | ||
const char *error; | ||
struct fs *fs; | ||
struct fs_settings fs_set; | ||
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test_begin("test-fs-posix filesystem"); | ||
i_zero(&fs_set); | ||
ret = fs_init("posix", t_strdup_printf("prefix=%s/", testdir), &fs_set, &fs, &error); | ||
test_out_quiet("fs_init() failed", ret >= 0); | ||
if (ret < 0) { | ||
test_end(); | ||
goto error_no_fs; | ||
} | ||
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struct fs *ref = fs; | ||
fs_ref(ref); | ||
fs_unref(&ref); | ||
test_assert(ref == NULL); | ||
test_assert(fs != NULL); | ||
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test_assert(fs_get_parent(fs) == NULL); | ||
test_assert_strcmp(fs_get_driver(fs), "posix"); | ||
test_end(); | ||
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struct fs_file *file; | ||
char buf[10]; | ||
ssize_t count; | ||
test_begin("test-fs-posix bad file read"); | ||
file = fs_file_init(fs, "fail_1", FS_OPEN_MODE_READONLY); | ||
test_assert(fs_exists(file) == 0); | ||
count = fs_read(file, buf, 1); | ||
test_assert(count == -1 && errno == ENOENT); | ||
fs_file_deinit(&file); | ||
test_end(); | ||
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test_begin("test-fs-posix good file write"); | ||
file = fs_file_init(fs, "good1", FS_OPEN_MODE_REPLACE); | ||
test_assert(file != NULL); | ||
test_assert(fs_exists(file) == 0); /* file not created until data is written */ | ||
test_assert(fs_write(file, "X", 1) == 0); | ||
test_assert(fs_exists(file) == 1); | ||
fs_file_deinit(&file); | ||
test_end(); | ||
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test_begin("test-fs-posix good file read"); | ||
file = fs_file_init(fs, "good1", FS_OPEN_MODE_READONLY); | ||
test_assert(fs_exists(file) == 1); | ||
errno = 0; | ||
count = fs_read(file, buf, 2); | ||
test_assert(count == 1 && errno == 0); | ||
fs_file_deinit(&file); | ||
test_end(); | ||
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struct fs_iter *iter = fs_iter_init(fs, "/", 0); | ||
const char *filename; | ||
test_begin("test-fs-posix iterator"); | ||
filename = fs_iter_next(iter); | ||
test_assert_strcmp(filename, "good1"); | ||
test_assert(fs_iter_next(iter) == NULL); | ||
fs_iter_deinit(&iter); | ||
test_end(); | ||
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struct stat st; | ||
test_begin("test-fs-posix file stat and delete"); | ||
file = fs_file_init(fs, "good1", FS_OPEN_MODE_READONLY); | ||
test_assert(fs_stat(file, &st) == 0); | ||
test_assert(st.st_size == 1); | ||
test_assert(fs_delete(file) == 0); | ||
fs_file_deinit(&file); | ||
test_end(); | ||
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fs_deinit(&fs); | ||
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error_no_fs: | ||
if (unlink_directory(testdir, UNLINK_DIRECTORY_FLAG_RMDIR, &unlink_err) != 0) | ||
i_error("Couldn't clean up test directory (%s): %s", testdir, unlink_err); | ||
error_no_testdir: | ||
return; | ||
} | ||
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int main(void) | ||
{ | ||
static void (*const test_functions[])(void) = { | ||
test_fs_posix, | ||
NULL | ||
}; | ||
return test_run(test_functions); | ||
} |