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fc8c0d61a1
Summary: This allows us to use fastmanifest as a directory to drop in the python module. Test Plan: compiles, passes existing tests. Reviewers: lcharignon Reviewed By: lcharignon Subscribers: mitrandir, mjpieters Differential Revision: https://phabricator.intern.facebook.com/D3351021 Signature: t1:3351021:1464284417:6cbcde514ab1fd7b5caa6c83cb5577f3502dbc58
101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
// Copyright 2016-present Facebook. All Rights Reserved.
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//
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// tree_disk_test.c: tests to verify tree_disk
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//
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// no-check-code
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#include <stdlib.h>
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#include <unistd.h>
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#include "tree.h"
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#include "tests.h"
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#define TMPFILE_TEMPLATE "/tmp/tree_disk_test.XXXXXX"
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// this is defined in tree_disk.c. it's public but not advertised.
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extern write_to_file_result_t write_to_file_helper(
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tree_t *tree, char *fname, size_t fname_sz, bool initialize_padding);
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static char *get_tempfile() {
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char *template = strdup(TMPFILE_TEMPLATE);
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ASSERT(template != NULL);
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memcpy(template, TMPFILE_TEMPLATE, sizeof(TMPFILE_TEMPLATE));
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int fd = mkstemp(template);
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ASSERT(fd != -1);
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close(fd);
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return template;
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}
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/**
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* A diff callback that should never be called.
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*/
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static void never_called_callback(
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const char *path,
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const size_t path_sz,
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const bool left_present,
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const uint8_t *left_checksum,
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const uint8_t left_checksum_sz,
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const uint8_t left_flags,
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const bool right_present,
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const uint8_t *right_checksum,
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const uint8_t right_checksum_sz,
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const uint8_t right_flags,
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void *context) {
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ASSERT(false);
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}
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static void save_load_empty_tree() {
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tree_t *tree = alloc_tree();
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char *tempfile = get_tempfile();
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write_to_file_result_t write_result = write_to_file_helper(
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tree, STRPLUSLEN(tempfile), true);
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ASSERT(write_result == WRITE_TO_FILE_OK);
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read_from_file_result_t read_result = read_from_file(STRPLUSLEN(tempfile));
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ASSERT(read_result.code == READ_FROM_FILE_OK);
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diff_result_t diff_result = diff_trees(
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tree, read_result.tree, false, never_called_callback, NULL);
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ASSERT(diff_result == DIFF_OK);
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}
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static void save_load_small_tree() {
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tree_t *tree = alloc_tree();
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add_to_tree_t toadd[] = {
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{STRPLUSLEN("abc"), 12345, 5},
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{STRPLUSLEN("ab/cdef/gh"), 64342, 55},
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{STRPLUSLEN("ab/cdef/ghi/jkl"), 51545, 57},
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{STRPLUSLEN("ab/cdef/ghi/jklm"), 54774, 12},
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{STRPLUSLEN("ab/cdef/ghi/jklmn"), 48477, 252},
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{STRPLUSLEN("a"), 577, 14},
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};
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add_to_tree(tree, toadd, sizeof(toadd) / sizeof(add_to_tree_t));
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char *tempfile = get_tempfile();
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write_to_file_result_t write_result = write_to_file_helper(
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tree, STRPLUSLEN(tempfile), true);
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ASSERT(write_result == WRITE_TO_FILE_OK);
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read_from_file_result_t read_result = read_from_file(STRPLUSLEN(tempfile));
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ASSERT(read_result.code == READ_FROM_FILE_OK);
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diff_result_t diff_result = diff_trees(
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tree, read_result.tree, false, never_called_callback, NULL);
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ASSERT(diff_result == DIFF_OK);
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}
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int main(int argc, char *argv[]) {
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save_load_empty_tree();
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save_load_small_tree();
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return 0;
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}
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