*/
#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
#include <errno.h>
+#include <fcntl.h>
#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
-#include <tap/tap.h>
#include <common/compat/directory-handle.h>
+#include <common/error.h>
+#include <tap/tap.h>
-#define TEST_COUNT 5
+#define TEST_COUNT 9
/* For error.h */
int lttng_opt_quiet = 1;
int lttng_opt_verbose = 3;
int lttng_opt_mi;
-#define DIR_HIERARCHY "a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p"
#define DIR_CREATION_MODE (S_IRWXU | S_IRWXG)
-bool dir_exists(const char *path)
+/*
+ * Returns the number of tests that ran (irrespective of the result) or a
+ * negative value on error (will abort all tests).
+ */
+typedef int(test_func)(const char *test_base_path);
+
+static test_func test_rmdir_fail_non_empty;
+static test_func test_rmdir_skip_non_empty;
+
+static test_func *const test_funcs[] = {
+ &test_rmdir_fail_non_empty,
+ &test_rmdir_skip_non_empty,
+};
+
+static bool dir_exists(const char *path)
{
int ret;
struct stat st;
return ret == 0 && S_ISDIR(st.st_mode);
}
-int main(int argc, char **argv)
+/*
+ * Create a non-empty folder hierarchy from a directory handle:
+ *
+ * test_root_name
+ * └── a
+ * └── b
+ * ├── c
+ * │ └── d
+ * └── e
+ * ├── f
+ * └── file1
+ */
+static int create_non_empty_hierarchy_with_root(
+ struct lttng_directory_handle *test_dir_handle,
+ const char *test_root_name)
+{
+ int ret;
+ const int file_flags = O_WRONLY | O_CREAT | O_TRUNC;
+ const mode_t file_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
+ char *branch_name = NULL;
+
+ ret = asprintf(&branch_name, "%s/%s", test_root_name, "a/b/c/d");
+ if (ret < 0) {
+ diag("Failed to format folder path");
+ goto end;
+ }
+ ret = lttng_directory_handle_create_subdirectory_recursive(
+ test_dir_handle,
+ branch_name,
+ DIR_CREATION_MODE);
+ if (ret) {
+ diag("Failed to create test folder hierarchy %s", branch_name);
+ goto end;
+ }
+
+ free(branch_name);
+ ret = asprintf(&branch_name, "%s/%s", test_root_name, "a/b/e/f");
+ if (ret < 0) {
+ diag("Failed to format folder path");
+ goto end;
+ }
+ ret = lttng_directory_handle_create_subdirectory_recursive(
+ test_dir_handle,
+ branch_name,
+ DIR_CREATION_MODE);
+ if (ret) {
+ diag("Failed to create test folder hierarchy %s", branch_name);
+ goto end;
+ }
+
+ free(branch_name);
+ ret = asprintf(&branch_name, "%s/%s", test_root_name, "a/b/e/file1");
+ if (ret < 0) {
+ diag("Failed to format file path");
+ goto end;
+ }
+ ret = lttng_directory_handle_open_file(
+ test_dir_handle, branch_name, file_flags, file_mode);
+ if (ret < 0) {
+ diag("Failed to create file %s", branch_name);
+ goto end;
+ }
+ ret = close(ret);
+ if (ret) {
+ PERROR("Failed to close fd to newly created file %s",
+ branch_name);
+ goto end;
+ }
+end:
+ free(branch_name);
+ return ret;
+}
+
+/* Remove "file1" from the test folder hierarchy. */
+int remove_file_from_hierarchy(struct lttng_directory_handle *test_dir_handle,
+ const char *test_root_name)
{
int ret;
+ char *file_name = NULL;
+
+ ret = asprintf(&file_name, "%s/%s", test_root_name, "a/b/e/file1");
+ if (ret < 0) {
+ diag("Failed to format file path");
+ goto end;
+ }
+
+ ret = lttng_directory_handle_unlink_file(test_dir_handle,
+ file_name);
+ if (ret) {
+ PERROR("Failed to unlink file %s", file_name);
+ goto end;
+ }
+end:
+ free(file_name);
+ return ret;
+}
+
+static int test_rmdir_fail_non_empty(const char *test_dir)
+{
+ int ret, tests_ran = 0;
struct lttng_directory_handle test_dir_handle;
- char test_dir[] = "/tmp/lttng-XXXXXX";
char *created_dir = NULL;
+ const char test_root_name[] = "fail_non_empty";
+ char *test_dir_path = NULL;
- plan_tests(TEST_COUNT);
+ diag("rmdir (fail if non-empty)");
- diag("directory handle tests");
+ ret = lttng_directory_handle_init(&test_dir_handle, test_dir);
+ ok(ret == 0, "Initialized directory handle from the test directory");
+ tests_ran++;
+ if (ret) {
+ goto end;
+ }
- if (!mkdtemp(test_dir)) {
- diag("Failed to generate temporary test directory");
+ ret = create_non_empty_hierarchy_with_root(&test_dir_handle, test_root_name);
+ if (ret) {
+ diag("Failed to setup folder/file hierarchy to run test");
+ goto end;
+ }
+
+ ret = lttng_directory_handle_remove_subdirectory_recursive(
+ &test_dir_handle, test_root_name,
+ LTTNG_DIRECTORY_HANDLE_FAIL_NON_EMPTY_FLAG);
+ ok(ret == -1, "Error returned when attempting to recursively remove non-empty hierarchy with LTTNG_DIRECTORY_HANDLE_FAIL_NON_EMPTY_FLAG");
+ tests_ran++;
+
+ ret = remove_file_from_hierarchy(&test_dir_handle, test_root_name);
+ if (ret) {
+ diag("Failed to remove file from test folder hierarchy");
+ goto end;
+ }
+
+ ret = lttng_directory_handle_remove_subdirectory_recursive(
+ &test_dir_handle, test_root_name,
+ LTTNG_DIRECTORY_HANDLE_FAIL_NON_EMPTY_FLAG);
+ ok(ret == 0, "No error returned when recursively removing empty hierarchy with LTTNG_DIRECTORY_HANDLE_FAIL_NON_EMPTY_FLAG");
+ tests_ran++;
+
+ ret = asprintf(&test_dir_path, "%s/%s", test_dir, test_root_name);
+ if (ret < 0) {
+ diag("Failed to format test directory path");
goto end;
}
+ ok(!dir_exists(test_dir_path) && errno == ENOENT,
+ "Folder hierarchy %s successfully removed",
+ test_dir_path);
+ tests_ran++;
+ ret = 0;
+end:
+ lttng_directory_handle_fini(&test_dir_handle);
+ free(created_dir);
+ free(test_dir_path);
+ return ret == 0 ? tests_ran : ret;
+}
+
+static int test_rmdir_skip_non_empty(const char *test_dir)
+{
+ int ret, tests_ran = 0;
+ struct lttng_directory_handle test_dir_handle;
+ char *created_dir = NULL;
+ const char test_root_name[] = "skip_non_empty";
+ char *test_dir_path = NULL;
+
+ diag("rmdir (skip if non-empty)");
ret = lttng_directory_handle_init(&test_dir_handle, test_dir);
ok(ret == 0, "Initialized directory handle from the test directory");
+ tests_ran++;
if (ret) {
goto end;
}
- ret = lttng_directory_handle_create_subdirectory_recursive(
- &test_dir_handle, DIR_HIERARCHY, DIR_CREATION_MODE);
- ok(ret == 0, "Create folder hierarchy %s from handle to %s",
- DIR_HIERARCHY, test_dir);
- ret = asprintf(&created_dir, "%s/%s", test_dir, DIR_HIERARCHY);
+ ret = create_non_empty_hierarchy_with_root(&test_dir_handle, test_root_name);
+ if (ret) {
+ diag("Failed to setup folder/file hierarchy to run test");
+ goto end;
+ }
+
+ ret = lttng_directory_handle_remove_subdirectory_recursive(
+ &test_dir_handle, test_root_name,
+ LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG);
+ ok(ret == 0, "No error returned when attempting to recursively remove non-empty hierarchy with LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG");
+ tests_ran++;
+
+ ret = asprintf(&test_dir_path, "%s/%s", test_dir, test_root_name);
if (ret < 0) {
- diag("Failed to allocate created directory path buffer");
+ diag("Failed to format test directory path");
+ goto end;
+ }
+ ok(dir_exists(test_dir_path), "Test directory still exists after skip");
+ tests_ran++;
+
+ ret = remove_file_from_hierarchy(&test_dir_handle, test_root_name);
+ if (ret) {
+ diag("Failed to remove file from test folder hierarchy");
goto end;
}
- ok(dir_exists(created_dir), "Folder %s exists", created_dir);
ret = lttng_directory_handle_remove_subdirectory_recursive(
- &test_dir_handle, "a", LTTNG_DIRECTORY_HANDLE_FAIL_NON_EMPTY_FLAG);
- ok(ret == 0, "Recursively removed directory hierarchy %s by removing %s",
- DIR_HIERARCHY, "a");
+ &test_dir_handle, test_root_name,
+ LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG);
+ ok(ret == 0, "No error returned when recursively removing empty hierarchy with LTTNG_DIRECTORY_HANDLE_SKIP_NON_EMPTY_FLAG");
+ tests_ran++;
+
+ ok(!dir_exists(test_dir_path) && errno == ENOENT,
+ "Folder hierarchy %s successfully removed",
+ test_dir_path);
+ tests_ran++;
+ ret = 0;
+end:
+ lttng_directory_handle_fini(&test_dir_handle);
+ free(created_dir);
+ free(test_dir_path);
+ return ret == 0 ? tests_ran : ret;
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ char test_dir[] = "/tmp/lttng-XXXXXX";
+ int tests_left = TEST_COUNT;
+ size_t func_idx;
+
+ plan_tests(TEST_COUNT);
+
+ diag("lttng_directory_handle tests");
+
+ if (!mkdtemp(test_dir)) {
+ diag("Failed to generate temporary test directory");
+ goto end;
+ }
+
+ for (func_idx = 0; func_idx < sizeof(test_funcs) / sizeof(*test_funcs);
+ func_idx++) {
+ tests_left -= test_funcs[func_idx](test_dir);
+ }
+ if (tests_left) {
+ diag("Skipping %d tests that could not be executed due to a prior error",
+ tests_left);
+ skip(tests_left, "test due to an error");
+ }
end:
ret = rmdir(test_dir);
if (ret) {
diag("Failed to clean-up test directory: %s", strerror(errno));
}
- ok(ret == 0, "Cleaned-up test directory");
- lttng_directory_handle_fini(&test_dir_handle);
- free(created_dir);
return exit_status();
}