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#include "tap.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
/**
Test data structure.
Data structure containing all information about the test suite.
*/
static TEST_DATA g_test = { 0 };
/**
Output stream for test report message.
The macro is just a temporary solution.
*/
#define tapout stdout
/**
Emit a TAP result and optionally a description.
@param pass 'true' if test passed, 'false' otherwise
@param fmt Description of test in printf() format.
@param ap Vararg list for the description string above.
*/
static int
emit_tap(int pass, char const *fmt, va_list ap)
{
fprintf(tapout, "%sok %d%s",
pass ? "" : "not ",
++g_test.last,
(fmt && *fmt) ? " - " : "");
if (fmt && *fmt)
vfprintf(tapout, fmt, ap);
}
static int
emit_dir(const char *dir, const char *exp)
{
fprintf(tapout, " # %s %s", dir, exp);
}
static int
emit_endl()
{
fprintf(tapout, "\n");
}
void
diag(char const *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(tapout, "# ");
vfprintf(tapout, fmt, ap);
fprintf(tapout, "\n");
va_end(ap);
}
void
plan(int const count)
{
g_test.plan= count;
switch (count)
{
case NO_PLAN:
case SKIP_ALL:
break;
default:
if (plan > 0)
fprintf(tapout, "1..%d\n", count);
break;
}
}
void
skip_all(char const *reason, ...)
{
va_list ap;
va_start(ap, reason);
fprintf(tapout, "1..0 # skip ");
vfprintf(tapout, reason, ap);
va_end(ap);
exit(0);
}
void
ok(int const pass, char const *fmt, ...)
{
if (!pass && *g_test.todo == '\0')
++g_test.failed;
va_list ap;
va_start(ap, fmt);
emit_tap(pass, fmt, ap);
va_end(ap);
if (*g_test.todo != '\0')
emit_dir("TODO", g_test.todo);
emit_endl();
}
void
skip(int how_many, char const *fmt, ...)
{
char reason[80];
if (fmt && *fmt)
{
va_list ap;
va_start(ap, fmt);
vsnprintf(reason, sizeof(reason), fmt, ap);
va_end(ap);
}
else
reason[0] = '\0';
while (how_many-- > 0)
{
va_list ap;
emit_tap(1, NULL, ap);
emit_dir("SKIP", reason);
emit_endl();
}
}
void
todo_start(char const *message, ...)
{
va_list ap;
va_start(ap, message);
vsnprintf(g_test.todo, sizeof(g_test.todo), message, ap);
va_end(ap);
}
void
todo_end()
{
*g_test.todo = '\0';
}
int exit_status() {
/*
If there were no plan, we write one last instead.
*/
if (g_test.plan == NO_PLAN)
plan(g_test.last);
if (g_test.plan != g_test.last)
{
diag("%d tests planned but only %d executed",
g_test.plan, g_test.last);
return EXIT_FAILURE;
}
if (g_test.failed > 0)
{
diag("Failed %d tests!", g_test.failed);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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