101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
/***********************************************************
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Directory owns treeNode and FileNode structure, detect S_IFDIR to make treeNode or not (see add_entry Function)
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File owns FileNode structure only, detect !S_IFDIR
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*/
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#include <stdio.h>
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#include <string>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <gtest/gtest.h>
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#include "fs.h"
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#include "direntry.h"
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const char* d;
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TreeNode *root;//global can be taken
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TEST(DirTest, root_test) {
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//Init fake root directory
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INode inode_root;
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u_int64_t file_permissions = 0;
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inode_root.permissions = file_permissions | S_IFDIR;
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root = fischl_init_entry(0, "/", &inode_root);//0 is inode number assigned by inode_allocate()
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}
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TEST(DirTest, AddFile_test) {
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//assume file and dir itself(content,metadata) same,but different name and inode number
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INode inode_file;
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INode inode_dir;
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u_int64_t file_permissions = 0;
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file_permissions = 0;
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inode_dir.permissions = file_permissions | S_IFDIR;
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fischl_add_entry(root, 2, "file1",&inode_file);
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fischl_add_entry(root, 3, "dir1",&inode_dir);
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}
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TEST(DirTest, FindFile_test) {
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//find file
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FileNode *get_file = fischl_find_entry(root,"/file1");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file1");
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//find dir
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FileNode *get_dir = fischl_find_entry(root,"/dir1/");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "dir1");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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//check . function
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get_dir = fischl_find_entry(root,"./");
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EXPECT_TRUE(get_dir != NULL);//detect this should find success
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EXPECT_STREQ(get_dir->name, "/");
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ASSERT_TRUE(get_dir->subdirectory != NULL);//secure it is directory
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}
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TEST(DirTest, Add_FindFile_test) {
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//add file and dir under subdirectory instead of root
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INode inode_file;
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INode inode_dir;
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u_int64_t file_permissions = 0;
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file_permissions = 0;
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inode_dir.permissions = file_permissions | S_IFDIR;
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/*add with subdirectory*/
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//Treenode dir(you cannot find here), you only can get Filenode dir based on fischl_find_entry Function
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//So use Filenode->subdirectory will point to the treenode dir, then can add files
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FileNode *get_dir = fischl_find_entry(root,"/dir1/");
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fischl_add_entry(get_dir->subdirectory, 4, "file2",&inode_file);
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//verfication treeNode and Filenode relationship
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TreeNode *get_dir_tree = find_parentPath(root,"/dir1/file2");
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ASSERT_TRUE(get_dir_tree == get_dir->subdirectory);//treeNode dir should be same as treeNode subdir in that Filenode
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//two Ways to get File(include dir itself) information
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FileNode *get_file = NULL;
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//1. absolute path, the root(treeNode) will always exist when initialize
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get_file = fischl_find_entry(root,"/dir1/file2");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file2");
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//2. relative path, the get_dir1(FileNode)->subdirectory(treeNode), use treeNode(dir) to find
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get_file = fischl_find_entry(get_dir->subdirectory,"/file2");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file2");
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/**********************************************************/
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//add one more file under dir1
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fischl_add_entry(get_dir->subdirectory, 5, "file3",&inode_file);
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//find
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get_file = fischl_find_entry(get_dir_tree,"./file3");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file3");
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//use .. from dir1 to find file1
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get_file = fischl_find_entry(get_dir_tree,"../file1");
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EXPECT_TRUE(get_file != NULL);
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EXPECT_STREQ(get_file->name,"file1");
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}
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int main(int argc, char **argv) {
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d = (argc < 2) ? "/dev/vdc" : argv[1];//how to do with this?
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::testing::InitGoogleTest(&argc, argv);
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int result = RUN_ALL_TESTS();
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// Cleanup
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freeTree(root);
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return result;
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} |