From 18da369d71cd561f66c7801155612f8730bc2b9f Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Tue, 16 Jul 2024 12:01:56 +0200
Subject: [PATCH] add test for remove spaces

---
 CMakeLists.txt       |  7 +++++--
 src/rename.c         | 19 ++++++++++++++++++-
 src/rename.h         |  4 ++++
 tests/CMakeLists.txt |  6 ++++--
 tests/rename_tests.c | 18 +++++++++++++++---
 5 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8767e9..8395857 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,9 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.25.1)
 
+SET(CMAKE_C_FLAGS "-g -fsanitize=address")
+MESSAGE(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
+
 PROJECT(mv_none_space)
 
-add_subdirectory(src)
-add_subdirectory(tests)
\ No newline at end of file
+ADD_SUBDIRECTORY(src)
+ADD_SUBDIRECTORY(tests)
\ No newline at end of file
diff --git a/src/rename.c b/src/rename.c
index 424074f..9db5fc7 100644
--- a/src/rename.c
+++ b/src/rename.c
@@ -1 +1,18 @@
-#include "rename.h"
\ No newline at end of file
+#include <stdio.h>
+#include <string.h>
+#include "rename.h"
+
+void rename_str(char* src, char* dst)
+{
+	int len = strlen(src);
+	for (int i = 0; i < len; i++) {
+		switch(src[i]) {
+		case ' ':
+			dst[i] = '_';
+			break;
+		default:
+			dst[i] = src[i];
+			break;
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/rename.h b/src/rename.h
index 47ab8fb..6cc8187 100644
--- a/src/rename.h
+++ b/src/rename.h
@@ -1,4 +1,8 @@
 #ifndef RENAME_H
 #define RENAME_H
 
+#define STR_MAX_LENGTH 255
+
+void rename_str(char* src, char* dst);
+
 #endif
\ No newline at end of file
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 92eb7b3..47e1152 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -4,9 +4,11 @@ FIND_LIBRARY(cmocka NAMES cmocka REQUIRED)
 
 INCLUDE(CTest)
 
-ADD_EXECUTABLE(rename_tests rename_tests.c)
+ADD_EXECUTABLE(rename_tests
+	rename_tests.c
+	../src/rename.c)
 TARGET_LINK_LIBRARIES(rename_tests ${cmocka})
 
 ADD_TEST(NAME rename_tests COMMAND rename_tests)
 
-ADD_CUSTOM_TARGET(run_tests ALL ctest)
\ No newline at end of file
+ADD_CUSTOM_TARGET(run_tests ALL ctest --verbose)
\ No newline at end of file
diff --git a/tests/rename_tests.c b/tests/rename_tests.c
index 29b0ed6..da9aff1 100644
--- a/tests/rename_tests.c
+++ b/tests/rename_tests.c
@@ -3,16 +3,28 @@
 #include <stdint.h>
 #include <setjmp.h>
 #include <cmocka.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../src/rename.h"
 
-void sanity_check()
+void rename_spaces()
 {
-	assert_true(1);
+	char* input = "Dies ist ein Test Satz\0";
+	char* output = malloc(sizeof(char) * STR_MAX_LENGTH);
+	memset(output, 0, STR_MAX_LENGTH);
+
+	rename_str(input, output);
+
+	assert_string_equal(output, "Dies_ist_ein_Test_Satz");
+
+	free(output);
+	output = NULL;
 }
 
 int main()
 {
 	const struct CMUnitTest tests[] = {
-		cmocka_unit_test(sanity_check)
+		cmocka_unit_test(rename_spaces)
 	};
 
 	return cmocka_run_group_tests(tests, NULL, NULL);
-- 
2.39.5