Added a mocked filesystem to simulate a real filesystem in tests.
This commit is contained in:
Vreixo Formoso
parent
45f4d0a29e
commit
7d417e9fa6
@ -60,7 +60,9 @@ test_test_SOURCES = \
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test/test.c \
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test/test_node.c \
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test/test_image.c \
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test/test_tree.c
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test/test_tree.c \
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test/mocked_fsrc.h \
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test/mocked_fsrc.c
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## ========================================================================= ##
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411
test/mocked_fsrc.c
Normal file
411
test/mocked_fsrc.c
Normal file
@ -0,0 +1,411 @@
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/*
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*
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*
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*/
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#include "fsource.h"
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#include "mocked_fsrc.h"
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#include "error.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <libgen.h>
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#include <stdlib.h>
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static
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struct mock_file *path_to_node(IsoFilesystem *fs, const char *path);
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struct mock_file {
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struct stat info;
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char *name;
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void *content;
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};
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struct mock_fs_src
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{
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IsoFilesystem *fs;
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char *path;
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} _MockedFsFileSource;
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static
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const char* mfs_get_path(IsoFileSource *src)
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{
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struct mock_fs_src *data;
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data = src->data;
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return data->path;
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}
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static
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char* mfs_get_name(IsoFileSource *src)
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{
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char *name, *p;
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struct mock_fs_src *data;
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data = src->data;
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p = strdup(data->path); /* because basename() might modify its arg */
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name = strdup(basename(p));
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free(p);
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return name;
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}
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static
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int mfs_lstat(IsoFileSource *src, struct stat *info)
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{
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struct mock_fs_src *data;
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struct mock_file *node;
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if (src == NULL || info == NULL) {
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return ISO_NULL_POINTER;
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}
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data = src->data;
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node = path_to_node(data->fs, data->path);
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if (node == NULL) {
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return ISO_FILE_BAD_PATH;
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}
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*info = node->info;
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return ISO_SUCCESS;
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}
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static
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int mfs_stat(IsoFileSource *src, struct stat *info)
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{
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struct mock_fs_src *data;
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struct mock_file *node;
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if (src == NULL || info == NULL) {
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return ISO_NULL_POINTER;
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}
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data = src->data;
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node = path_to_node(data->fs, data->path);
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if (node == NULL) {
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return ISO_FILE_BAD_PATH;
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}
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while ( S_ISLNK(node->info.st_mode) ) {
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/* the destination is stated */
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node = path_to_node(data->fs, (char *)node->content);
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if (node == NULL) {
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return ISO_FILE_ERROR;
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}
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}
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*info = node->info;
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return ISO_SUCCESS;
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}
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static
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int mfs_open(IsoFileSource *src)
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{
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// TODO not implemented
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return ISO_ERROR;
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}
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static
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int mfs_close(IsoFileSource *src)
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{
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// TODO not implemented
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return ISO_ERROR;
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}
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static
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int mfs_read(IsoFileSource *src, void *buf, size_t count)
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{
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// TODO not implemented
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return ISO_ERROR;
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}
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static
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int mfs_readdir(IsoFileSource *src, IsoFileSource **child)
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{
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// TODO not implemented
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return ISO_ERROR;
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}
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static
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int mfs_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
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{
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struct mock_fs_src *data;
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struct mock_file *node;
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if (src == NULL || buf == NULL) {
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return ISO_NULL_POINTER;
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}
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if (bufsiz <= 0) {
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return ISO_WRONG_ARG_VALUE;
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}
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data = src->data;
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node = path_to_node(data->fs, data->path);
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if (node == NULL) {
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return ISO_FILE_BAD_PATH;
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}
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if (!S_ISLNK(node->info.st_mode)) {
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return ISO_FILE_IS_NOT_SYMLINK;
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}
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strncpy(buf, node->content, bufsiz);
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buf[bufsiz-1] = '\0';
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return ISO_SUCCESS;
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}
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static
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IsoFilesystem* mfs_get_filesystem(IsoFileSource *src)
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{
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struct mock_fs_src *data;
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data = src->data;
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return data->fs;
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}
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static
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void mfs_free(IsoFileSource *src)
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{
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struct mock_fs_src *data;
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data = src->data;
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free(data->path);
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iso_filesystem_unref(data->fs);
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free(data);
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}
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/**
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*
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* @return
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* 1 success, < 0 error
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*/
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static
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int mocked_file_source_new(IsoFilesystem *fs, const char *path,
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IsoFileSource **src)
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{
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IsoFileSource *mocked_src;
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struct mock_fs_src *data;
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if (src == NULL || fs == NULL) {
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return ISO_NULL_POINTER;
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}
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/* allocate memory */
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data = malloc(sizeof(struct mock_fs_src));
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if (data == NULL) {
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return ISO_OUT_OF_MEM;
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}
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mocked_src = malloc(sizeof(IsoFileSource));
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if (mocked_src == NULL) {
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free(data);
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return ISO_OUT_OF_MEM;
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}
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/* fill struct */
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data->path = strdup(path);
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{
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/* remove trailing '/' */
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int len = strlen(path);
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if (len > 1) {
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/* don't remove / for root! */
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if (path[len-1] == '/') {
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data->path[len-1] = '\0';
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}
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}
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}
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data->fs = fs;
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mocked_src->refcount = 1;
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mocked_src->data = data;
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mocked_src->get_path = mfs_get_path;
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mocked_src->get_name = mfs_get_name;
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mocked_src->lstat = mfs_lstat;
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mocked_src->stat = mfs_stat;
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mocked_src->open = mfs_open;
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mocked_src->close = mfs_close;
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mocked_src->read = mfs_read;
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mocked_src->readdir = mfs_readdir;
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mocked_src->readlink = mfs_readlink;
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mocked_src->get_filesystem = mfs_get_filesystem;
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mocked_src->free = mfs_free;
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/* take a ref to filesystem */
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iso_filesystem_ref(fs);
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/* return */
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*src = mocked_src;
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return ISO_SUCCESS;
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}
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static
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struct mock_file *path_to_node(IsoFilesystem *fs, const char *path)
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{
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struct mock_file *node;
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struct mock_file *dir;
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char *ptr, *brk_info, *component;
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/* get the first child at the root of the volume
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* that is "/" */
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dir = fs->data;
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node = dir;
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if (!strcmp(path, "/"))
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return node;
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ptr = strdup(path);
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/* get the first component of the path */
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component = strtok_r(ptr, "/", &brk_info);
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while (component) {
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size_t i;
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if ( !S_ISDIR(node->info.st_mode) ) {
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node=NULL;
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break;
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}
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dir = node;
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node=NULL;
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if (!dir->content) {
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break;
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}
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i = 0;
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while (((struct mock_file**)dir->content)[i]) {
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if (!strcmp(component, ((struct mock_file**)dir->content)[i]->name)) {
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node = ((struct mock_file**)dir->content)[i];
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break;
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}
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++i;
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}
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/* see if a node could be found */
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if (node==NULL) {
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break;
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}
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component = strtok_r(NULL, "/", &brk_info);
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}
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free(ptr);
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return node;
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}
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static
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struct mock_file *add_node(IsoFilesystem *fs, const char *path,
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struct stat info)
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{
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char *dir, *name, *ptr;
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struct mock_file *node, *parent;
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int i;
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if (!strcmp(path, "/"))
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return NULL;
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dir = dirname(strdup(path));
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ptr = strdup(path);
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name = basename(ptr);
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/*printf("Added %s to %s\n", name, dir);*/
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parent = path_to_node(fs, dir);
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if (!S_ISDIR(parent->info.st_mode)) {
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return NULL;
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}
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i = 0;
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if (parent->content) {
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while (((struct mock_file**)parent->content)[i]) {
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++i;
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}
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}
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parent->content = realloc(parent->content, (i+2) * sizeof(struct mock_file*));
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node = malloc(sizeof(struct mock_file));
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node->info = info;
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node->content = NULL;
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node->name = strdup(name);
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((struct mock_file**)parent->content)[i] = node;
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((struct mock_file**)parent->content)[i+1] = NULL;
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free(dir);
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free(ptr);
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return node;
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}
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int test_mocked_fs_add_file(IsoFilesystem *fs, const char *path,
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struct stat info)
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{
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struct mock_file *node = add_node(fs, path, info);
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return (node == NULL) ? -1 : 1;
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}
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int test_mocked_fs_add_dir(IsoFilesystem *fs, const char *path,
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struct stat info)
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{
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struct mock_file *node = add_node(fs, path, info);
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return (node == NULL) ? -1 : 1;
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}
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int test_mocked_fs_add_symlink(IsoFilesystem *fs, const char *path,
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struct stat info, const char *dest)
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{
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struct mock_file *node = add_node(fs, path, info);
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if (node == NULL) {
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return -1;
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}
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node->content = strdup(dest);
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return 1;
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}
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static
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int mocked_get_root(IsoFilesystem *fs, IsoFileSource **root)
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{
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if (fs == NULL || root == NULL) {
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return ISO_NULL_POINTER;
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}
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return mocked_file_source_new(fs, "/", root);
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}
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static
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int mocked_get_by_path(IsoFilesystem *fs, const char *path, IsoFileSource **file)
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{
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if (fs == NULL || path == NULL || file == NULL) {
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return ISO_NULL_POINTER;
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}
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return mocked_file_source_new(fs, path, file);
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}
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static
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void free_mocked_file(struct mock_file *file)
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{
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if (S_ISDIR(file->info.st_mode)) {
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if (file->content) {
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int i = 0;
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while (((struct mock_file**)file->content)[i]) {
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free_mocked_file(((struct mock_file**)file->content)[i]);
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++i;
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}
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}
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}
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free(file->name);
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free(file);
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}
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static
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void mocked_fs_free(IsoFilesystem *fs)
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{
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free_mocked_file((struct mock_file *)fs->data);
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}
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int test_mocked_filesystem_new(IsoFilesystem **fs)
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{
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IsoFilesystem *filesystem;
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struct mock_file *root;
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if (fs == NULL) {
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return ISO_NULL_POINTER;
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}
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filesystem = malloc(sizeof(IsoFilesystem));
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filesystem->refcount = 1;
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root = calloc(1, sizeof(struct mock_file));
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root->info.st_mode = S_IFDIR | 0777;
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filesystem->data = root;
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filesystem->get_root = mocked_get_root;
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filesystem->get_by_path = mocked_get_by_path;
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filesystem->free = mocked_fs_free;
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*fs = filesystem;
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return ISO_SUCCESS;
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}
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23
test/mocked_fsrc.h
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23
test/mocked_fsrc.h
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@ -0,0 +1,23 @@
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/*
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* Mocked objects to simulate an input filesystem.
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*/
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#ifndef MOCKED_FSRC_H_
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#define MOCKED_FSRC_H_
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/**
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* A mocked fs with a registry of files, that you can add via
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* test_mocked_fs_add_fsrc().
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*/
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int test_mocked_filesystem_new(IsoFilesystem **fs);
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int test_mocked_fs_add_file(IsoFilesystem *fs, const char *path,
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struct stat info);
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int test_mocked_fs_add_dir(IsoFilesystem *fs, const char *path,
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struct stat info);
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int test_mocked_fs_add_symlink(IsoFilesystem *fs, const char *path,
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struct stat info, const char *dest);
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#endif /*MOCKED_FSRC_H_*/
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@ -4,8 +4,11 @@
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#include "libisofs.h"
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#include "node.h"
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#include "test.h"
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#include "error.h"
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#include "image.h"
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#include "test.h"
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#include "mocked_fsrc.h"
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#include <stdlib.h>
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@ -246,6 +249,86 @@ void test_iso_tree_add_new_special()
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iso_image_unref(image);
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}
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static
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void test_iso_tree_add_node_dir()
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{
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int result;
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IsoDir *root;
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IsoNode *node1, *node2, *node3, *node4;
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IsoImage *image;
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IsoFilesystem *fs;
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struct stat info;
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result = iso_image_new("volume_id", &image);
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CU_ASSERT_EQUAL(result, 1);
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root = iso_image_get_root(image);
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CU_ASSERT_PTR_NOT_NULL(root);
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/* replace image filesystem with out mockep one */
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iso_filesystem_unref(image->fs);
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result = test_mocked_filesystem_new(&fs);
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CU_ASSERT_EQUAL(result, 1);
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image->fs = fs;
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/* add some files to the filesystem */
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info.st_mode = S_IFDIR | 0550;
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info.st_uid = 20;
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info.st_gid = 21;
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info.st_atime = 234523;
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info.st_ctime = 23432432;
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info.st_mtime = 1111123;
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result = test_mocked_fs_add_dir(fs, "/dir", info);
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CU_ASSERT_EQUAL(result, 1);
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info.st_mode = S_IFDIR | 0555;
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info.st_uid = 30;
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info.st_gid = 31;
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info.st_atime = 3234523;
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info.st_ctime = 3234432;
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info.st_mtime = 3111123;
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result = test_mocked_fs_add_dir(fs, "/dir/a child node", info);
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CU_ASSERT_EQUAL(result, 1);
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/* and now insert those files to the image */
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result = iso_tree_add_node(image, root, "/dir", &node1);
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CU_ASSERT_EQUAL(result, 1);
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CU_ASSERT_EQUAL(root->nchildren, 1);
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CU_ASSERT_PTR_EQUAL(root->children, node1);
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CU_ASSERT_PTR_NULL(node1->next);
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CU_ASSERT_PTR_EQUAL(node1->parent, root);
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CU_ASSERT_EQUAL(node1->type, LIBISO_DIR);
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CU_ASSERT_STRING_EQUAL(node1->name, "dir");
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CU_ASSERT_EQUAL(node1->mode, S_IFDIR | 0550);
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CU_ASSERT_EQUAL(node1->uid, 20);
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CU_ASSERT_EQUAL(node1->gid, 21);
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CU_ASSERT_EQUAL(node1->atime, 234523);
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CU_ASSERT_EQUAL(node1->ctime, 23432432);
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CU_ASSERT_EQUAL(node1->mtime, 1111123);
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CU_ASSERT_PTR_NULL(((IsoDir*)node1)->children);
|
||||
CU_ASSERT_EQUAL(((IsoDir*)node1)->nchildren, 0);
|
||||
|
||||
result = iso_tree_add_node(image, root, "/dir/a child node", &node2);
|
||||
CU_ASSERT_EQUAL(result, 2);
|
||||
CU_ASSERT_EQUAL(root->nchildren, 2);
|
||||
CU_ASSERT_PTR_EQUAL(root->children, node2);
|
||||
CU_ASSERT_PTR_EQUAL(node2->next, node1);
|
||||
CU_ASSERT_PTR_NULL(node1->next);
|
||||
CU_ASSERT_PTR_EQUAL(node1->parent, root);
|
||||
CU_ASSERT_PTR_EQUAL(node2->parent, root);
|
||||
CU_ASSERT_EQUAL(node2->type, LIBISO_DIR);
|
||||
CU_ASSERT_STRING_EQUAL(node2->name, "a child node");
|
||||
CU_ASSERT_EQUAL(node2->mode, S_IFDIR | 0555);
|
||||
CU_ASSERT_EQUAL(node2->uid, 30);
|
||||
CU_ASSERT_EQUAL(node2->gid, 31);
|
||||
CU_ASSERT_EQUAL(node2->atime, 3234523);
|
||||
CU_ASSERT_EQUAL(node2->ctime, 3234432);
|
||||
CU_ASSERT_EQUAL(node2->mtime, 3111123);
|
||||
CU_ASSERT_PTR_NULL(((IsoDir*)node2)->children);
|
||||
CU_ASSERT_EQUAL(((IsoDir*)node2)->nchildren, 0);
|
||||
|
||||
iso_image_unref(image);
|
||||
}
|
||||
|
||||
void add_tree_suite()
|
||||
{
|
||||
CU_pSuite pSuite = CU_add_suite("Iso Tree Suite", NULL, NULL);
|
||||
@ -253,4 +336,6 @@ void add_tree_suite()
|
||||
CU_add_test(pSuite, "iso_tree_add_new_dir()", test_iso_tree_add_new_dir);
|
||||
CU_add_test(pSuite, "iso_tree_add_new_symlink()", test_iso_tree_add_new_symlink);
|
||||
CU_add_test(pSuite, "iso_tree_add_new_special()", test_iso_tree_add_new_special);
|
||||
CU_add_test(pSuite, "iso_tree_add_node() [1. dir]", test_iso_tree_add_node_dir);
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user