Testing do_remove

Mocking the send_to_char function to check messages to the user. Still doesn't work for act() though.
Requires libmocka-dev and   libunwind-setjmp0-dev

src/test/Makefile

@@ -9,6 +9,7 @@ UBSAN:=n
 EXTENSION:=
 TEST_ENV:=
 CFLAGS:=-Wall -Wno-char-subscripts -Wno-unused-but-set-variable 
+CFLAGS+=-Wl,--wrap=send_to_char,--wrap=vwrite_to_output
 AGGRESSIVE_WARNINGS=n
 LIBS:=-lcrypt 
 

src/test/test.act.item.c

@@ -3,6 +3,30 @@
 UNIT_TEST(test_do_remove) {
 
     
+    char_data *ch = create_char();
+    CREATE(ch->player_specials, struct player_special_data, 1);
+    new_mobile_data(ch);
+    ch->char_specials.position = POS_STANDING;
+    CREATE(ch->desc, struct descriptor_data, 1);
+
+    char_to_room(ch, 0);
+
+    do_remove(ch, "2.ring", 0, 0);
+    munit_assert_string_equal(get_last_messages(), "You don't seem to be using a ring.\r\n");
+
+    obj_data *ring1 = create_obj();
+    ring1->name = "ring";
+    ring1->short_description = "ring1";
+    
+    obj_data *ring2 = create_obj();
+    ring2->name = "ring";
+    ring2->short_description = "ring2";
+
+    equip_char(ch, ring1, WEAR_FINGER_R);
+    equip_char(ch, ring2, WEAR_FINGER_L);
+
+    do_remove(ch, "2.ring", 0, 0);
+    munit_assert_ptr_equal(ch->carrying, ring2);
 
     return MUNIT_OK;
 }
@@ -13,3 +37,4 @@ MunitTest act_item_c_tests[] = {
     // end of array marker
     { NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
 };
+

src/test/testrunner.c

@@ -2,6 +2,8 @@
 #include "test.handler.h"
 #include "test.act.item.h"
 
+void simple_world();
+
 static MunitSuite suites[] = { 
   { "/handler.c", handler_c_tests, NULL, 1, MUNIT_SUITE_OPTION_NONE }, 
   { "/act.item.c", act_item_c_tests, NULL, 1, MUNIT_SUITE_OPTION_NONE }, 
@@ -18,8 +20,48 @@ static const MunitSuite test_suite = {
 };
 
 int main(int argc, char* argv[MUNIT_ARRAY_PARAM(argc + 1)]) {
-  /* Finally, we'll actually run our test suite!  That second argument
+  logfile = stderr;
-   * is the user_data parameter which will be passed either to the
+  simple_world();
-   * test or (if provided) the fixture setup function. */
   return munit_suite_main(&test_suite, (void*) "µnit", argc, argv);
 }
+
+
+/*
+ * test-fixtures common for many tests
+*/
+
+void simple_world()
+{
+  CREATE(world, struct room_data, 1);
+  top_of_world = 1;
+}
+
+static char testbuf[MAX_OUTPUT_BUFFER];
+static int testbuf_size = 0;
+
+size_t __wrap_send_to_char(struct char_data *ch, const char *messg, ...) 
+{
+  int size = testbuf_size;
+  va_list args;
+
+  va_start(args, messg);
+  testbuf_size += vsnprintf(testbuf + size, MAX_OUTPUT_BUFFER - size, messg, args);
+  va_end(args);
+  
+  return testbuf_size;
+}
+
+size_t __wrap_vwrite_to_output(struct descriptor_data *t, const char *format, va_list args)
+{
+  int size = testbuf_size;
+  testbuf_size += vsnprintf(testbuf + size, MAX_OUTPUT_BUFFER - size, format, args);
+  return testbuf_size;
+}
+
+char *get_last_messages()
+{
+  char *stored_response = strdup(testbuf);
+  testbuf_size = 0;
+  *testbuf = '\0';
+  return stored_response;
+}

src/test/testrunner.h

@@ -18,6 +18,10 @@
 #include "../quest.h"
 #include "../mud_event.h"
 #include "../munit/munit.h"
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka.h>
 
 /**
  * Utility macro for defining tests.
@@ -30,4 +34,10 @@
 */
 #define STD_TEST(test_name, test_fun) { (char *)(test_name), (test_fun), NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
 
+/*
+ * test fixtures
+ */
+char_data* create_test_char_data();
+char *get_last_messages();
+
 #endif