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Change mocked filesystem implementation, used in unit tests.

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This commit is contained in:
Vreixo Formoso
2008-01-08 21:23:24 +01:00
parent 2464455fea
commit 758e2654f8
3 changed files with 107 additions and 142 deletions
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206
test/mocked_fsrc.c
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@@ -13,87 +13,74 @@
#include <string.h>
#include <libgen.h>
#include <stdlib.h>
#include <time.h>
static
struct mock_file *path_to_node(IsoFilesystem *fs, const char *path);
struct mock_file {
struct stat info;
char *name;
void *content;
};
struct mock_fs_src
static
char *get_path_aux(struct mock_file *file)
{
IsoFilesystem *fs;
char *path;
} _MockedFsFileSource;
if (file->parent == NULL) {
return strdup("");
} else {
char *path = get_path_aux(file->parent);
int pathlen = strlen(path);
path = realloc(path, pathlen + strlen(file->name) + 2);
path[pathlen] = '/';
path[pathlen + 1] = '\0';
return strcat(path, file->name);
}
}
static
const char* mfs_get_path(IsoFileSource *src)
char* mfs_get_path(IsoFileSource *src)
{
struct mock_fs_src *data;
struct mock_file *data;
data = src->data;
return data->path;
return get_path_aux(data);
}
static
char* mfs_get_name(IsoFileSource *src)
{
char *name, *p;
struct mock_fs_src *data;
struct mock_file *data;
data = src->data;
p = strdup(data->path); /* because basename() might modify its arg */
name = strdup(basename(p));
free(p);
return name;
return strdup(data->name);
}
static
int mfs_lstat(IsoFileSource *src, struct stat *info)
{
struct mock_fs_src *data;
struct mock_file *node;
struct mock_file *data;
if (src == NULL || info == NULL) {
return ISO_NULL_POINTER;
}
data = src->data;
node = path_to_node(data->fs, data->path);
if (node == NULL) {
return ISO_FILE_BAD_PATH;
}
*info = node->info;
*info = data->atts;
return ISO_SUCCESS;
}
static
int mfs_stat(IsoFileSource *src, struct stat *info)
{
struct mock_fs_src *data;
struct mock_file *node;
if (src == NULL || info == NULL) {
return ISO_NULL_POINTER;
}
data = src->data;
node = src->data;
node = path_to_node(data->fs, data->path);
if (node == NULL) {
return ISO_FILE_BAD_PATH;
}
while ( S_ISLNK(node->info.st_mode) ) {
while ( S_ISLNK(node->atts.st_mode) ) {
/* the destination is stated */
node = path_to_node(data->fs, (char *)node->content);
node = path_to_node(node->fs, (char *)node->content);
if (node == NULL) {
return ISO_FILE_ERROR;
}
}
*info = node->info;
*info = node->atts;
return ISO_SUCCESS;
}
@@ -101,7 +88,7 @@ static
int mfs_access(IsoFileSource *src)
{
// TODO not implemented
return ISO_SUCCESS;
return ISO_ERROR;
}
static
@@ -135,8 +122,7 @@ int mfs_readdir(IsoFileSource *src, IsoFileSource **child)
static
int mfs_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
{
struct mock_fs_src *data;
struct mock_file *node;
struct mock_file *data;
if (src == NULL || buf == NULL) {
return ISO_NULL_POINTER;
@@ -147,14 +133,10 @@ int mfs_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
}
data = src->data;
node = path_to_node(data->fs, data->path);
if (node == NULL) {
return ISO_FILE_BAD_PATH;
}
if (!S_ISLNK(node->info.st_mode)) {
if (!S_ISLNK(data->atts.st_mode)) {
return ISO_FILE_IS_NOT_SYMLINK;
}
strncpy(buf, node->content, bufsiz);
strncpy(buf, data->content, bufsiz);
buf[bufsiz-1] = '\0';
return ISO_SUCCESS;
}
@@ -162,7 +144,7 @@ int mfs_readlink(IsoFileSource *src, char *buf, size_t bufsiz)
static
IsoFilesystem* mfs_get_filesystem(IsoFileSource *src)
{
struct mock_fs_src *data;
struct mock_file *data;
data = src->data;
return data->fs;
}
@@ -170,12 +152,7 @@ IsoFilesystem* mfs_get_filesystem(IsoFileSource *src)
static
void mfs_free(IsoFileSource *src)
{
struct mock_fs_src *data;
data = src->data;
free(data->path);
iso_filesystem_unref(data->fs);
free(data);
/* nothing to do */
}
IsoFileSourceIface mfs_class = {
@@ -199,21 +176,15 @@ IsoFileSourceIface mfs_class = {
* 1 success, < 0 error
*/
static
int mocked_file_source_new(IsoFilesystem *fs, const char *path,
IsoFileSource **src)
int mocked_file_source_new(struct mock_file *data, IsoFileSource **src)
{
IsoFileSource *mocked_src;
struct mock_fs_src *data;
if (src == NULL || fs == NULL) {
if (src == NULL || data == NULL) {
return ISO_NULL_POINTER;
}
/* allocate memory */
data = malloc(sizeof(struct mock_fs_src));
if (data == NULL) {
return ISO_OUT_OF_MEM;
}
mocked_src = malloc(sizeof(IsoFileSource));
if (mocked_src == NULL) {
free(data);
@@ -221,25 +192,12 @@ int mocked_file_source_new(IsoFilesystem *fs, const char *path,
}
/* fill struct */
data->path = strdup(path);
{
/* remove trailing '/' */
int len = strlen(path);
if (len > 1) {
/* don't remove / for root! */
if (path[len-1] == '/') {
data->path[len-1] = '\0';
}
}
}
data->fs = fs;
mocked_src->refcount = 1;
mocked_src->data = data;
mocked_src->class = &mfs_class;
/* take a ref to filesystem */
iso_filesystem_ref(fs);
//iso_filesystem_ref(fs);
/* return */
*src = mocked_src;
@@ -267,7 +225,7 @@ struct mock_file *path_to_node(IsoFilesystem *fs, const char *path)
while (component) {
size_t i;
if ( !S_ISDIR(node->info.st_mode) ) {
if ( !S_ISDIR(node->atts.st_mode) ) {
node=NULL;
break;
}
@@ -298,67 +256,52 @@ struct mock_file *path_to_node(IsoFilesystem *fs, const char *path)
}
static
struct mock_file *add_node(IsoFilesystem *fs, const char *path,
struct stat info)
void add_node(struct mock_file *parent, struct mock_file *node)
{
char *dir, *name, *ptr;
struct mock_file *node, *parent;
int i;
if (!strcmp(path, "/"))
return NULL;
dir = dirname(strdup(path));
ptr = strdup(path);
name = basename(ptr);
/*printf("Added %s to %s\n", name, dir);*/
parent = path_to_node(fs, dir);
if (!S_ISDIR(parent->info.st_mode)) {
return NULL;
}
i = 0;
if (parent->content) {
while (((struct mock_file**)parent->content)[i]) {
++i;
}
}
parent->content = realloc(parent->content, (i+2) * sizeof(struct mock_file*));
node = malloc(sizeof(struct mock_file));
node->info = info;
node->content = NULL;
node->name = strdup(name);
parent->content = realloc(parent->content, (i+2) * sizeof(void*));
((struct mock_file**)parent->content)[i] = node;
((struct mock_file**)parent->content)[i+1] = NULL;
free(dir);
free(ptr);
return node;
}
int test_mocked_fs_add_file(IsoFilesystem *fs, const char *path,
struct stat info)
struct mock_file *test_mocked_fs_get_root(IsoFilesystem *fs)
{
struct mock_file *node = add_node(fs, path, info);
return (node == NULL) ? -1 : 1;
return fs->data;
}
int test_mocked_fs_add_dir(IsoFilesystem *fs, const char *path,
struct stat info)
int test_mocked_fs_add_dir(const char *name, struct mock_file *p,
struct stat atts, struct mock_file **node)
{
struct mock_file *node = add_node(fs, path, info);
return (node == NULL) ? -1 : 1;
struct mock_file *dir = calloc(1, sizeof(struct mock_file));
dir->fs = p->fs;
dir->atts = atts;
dir->name = strdup(name);
dir->parent = p;
add_node(p, dir);
*node = dir;
return ISO_SUCCESS;
}
int test_mocked_fs_add_symlink(IsoFilesystem *fs, const char *path,
struct stat info, const char *dest)
int test_mocked_fs_add_symlink(const char *name, struct mock_file *p,
struct stat atts, const char *dest, struct mock_file **node)
{
struct mock_file *node = add_node(fs, path, info);
if (node == NULL) {
return -1;
}
node->content = strdup(dest);
return 1;
struct mock_file *link = calloc(1, sizeof(struct mock_file));
link->fs = p->fs;
link->atts = atts;
link->name = strdup(name);
link->parent = p;
add_node(p, link);
link->content = strdup(dest);
*node = link;
return ISO_SUCCESS;
}
static
@@ -367,22 +310,24 @@ int mocked_get_root(IsoFilesystem *fs, IsoFileSource **root)
if (fs == NULL || root == NULL) {
return ISO_NULL_POINTER;
}
return mocked_file_source_new(fs, "/", root);
return mocked_file_source_new(fs->data, root);
}
static
int mocked_get_by_path(IsoFilesystem *fs, const char *path, IsoFileSource **file)
{
struct mock_file *f;
if (fs == NULL || path == NULL || file == NULL) {
return ISO_NULL_POINTER;
}
return mocked_file_source_new(fs, path, file);
f = path_to_node(fs, path);
return mocked_file_source_new(f, file);
}
static
void free_mocked_file(struct mock_file *file)
{
if (S_ISDIR(file->info.st_mode)) {
if (S_ISDIR(file->atts.st_mode)) {
if (file->content) {
int i = 0;
while (((struct mock_file**)file->content)[i]) {
@@ -391,6 +336,7 @@ void free_mocked_file(struct mock_file *file)
}
}
}
free(file->content);
free(file->name);
free(file);
}
@@ -400,19 +346,27 @@ void mocked_fs_free(IsoFilesystem *fs)
{
free_mocked_file((struct mock_file *)fs->data);
}
int test_mocked_filesystem_new(IsoFilesystem **fs)
{
IsoFilesystem *filesystem;
struct mock_file *root;
IsoFilesystem *filesystem;
if (fs == NULL) {
return ISO_NULL_POINTER;
}
root = calloc(1, sizeof(struct mock_file));
root->atts.st_atime = time(NULL);
root->atts.st_ctime = time(NULL);
root->atts.st_mtime = time(NULL);
root->atts.st_uid = 0;
root->atts.st_gid = 0;
root->atts.st_mode = S_IFDIR | 0777;
filesystem = malloc(sizeof(IsoFilesystem));
filesystem->refcount = 1;
root = calloc(1, sizeof(struct mock_file));
root->info.st_mode = S_IFDIR | 0777;
root->fs = filesystem;
filesystem->data = root;
filesystem->get_root = mocked_get_root;
filesystem->get_by_path = mocked_get_by_path;