ossp-pkg/var/var_test.c
1.6
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "var.h"
static int env_lookup(void* context,
const char* varname, size_t name_len,
const char** data, size_t* data_len, size_t* buffer_size)
{
char tmp[256];
if (name_len > sizeof(tmp)-1)
{
/* Callback can't expand variable names longer than
sizeof(tmp) characters. */
return VAR_CALLBACK_ERROR;
}
memcpy(tmp, varname, name_len);
tmp[name_len] = '\0';
*data = getenv(tmp);
if (*data == NULL)
return 0;
*data_len = strlen(*data);
*buffer_size = 0;
return 1;
}
struct test_case
{
const char* input;
const char* expected;
};
int main(int argc, char** argv)
{
const struct test_case tests[] =
{
{ "$HOME", "/home/regression-tests" },
{ "${FOO}", "os" },
{ "${BAR}", "type" },
{ "${${FOO:u}${BAR:u}:l:u}", "REGRESSION-OS" },
{ "${UNDEFINED}", "${UNDEFINED}" },
{ "${OSTYPE:#}", "13" },
{ "${EMPTY:-test${FOO}test}", "testostest" },
{ "${EMPTY:-test${FOO:u}test}", "testOStest" },
{ "${TERM:-test${FOO}test}", "regression-term" },
{ "${EMPTY:+FOO}", "" },
{ "${HOME:+test${FOO}test}", "testostest" },
{ "${HOME:+${OS${BAR:u}}}", "regression-os" },
{ "${HOME:+OS${UNDEFINED:u}}", "OS${UNDEFINED:u}" },
{ "${UNDEFINED:+OS${BAR:u}}", "${UNDEFINED:+OS${BAR:u}}" },
{ "${HOME:*heinz}", "" },
{ "${EMPTY:*claus}", "claus" },
{ "${TERM}", "regression-term" },
{ "${HOME:s/reg/bla/}", "/home/blaression-tests" },
{ "${HOME:s/e/bla/}", "/hombla/regression-tests" },
{ "${HOME:s/e/bla/g}", "/hombla/rblagrblassion-tblasts" },
{ "${HOME:s/\\//_/g}", "_home_regression-tests" },
{ "${HOME:s/[eso]/_/g}", "/h_m_/r_gr___i_n-t__t_" },
{ "${HOME:s/[esO]/_/g}", "/hom_/r_gr___ion-t__t_" },
{ "${HOME:s/[esO]/_/gi}", "/h_m_/r_gr___i_n-t__t_" },
{ "${OSTYPE:s/^[re]/_/g}", "_egression-os" },
{ "${EMPTY:s/^[re]/_/g}", "" },
{ "${HOME:s/.*/heinz/}", "heinz" },
{ "${HOME:s/e/bla/t}", "/hombla/regression-tests" },
{ "${HOME:s/E/bla/t}", "/home/regression-tests" },
{ "${HOME:s/E/bla/ti}", "/hombla/regression-tests" },
{ "${HOME:s/E/bla/tig}", "/hombla/rblagrblassion-tblasts" },
{ "${HOME:o1-5}", "home/" },
{ "${HOME:o1,5}", "home" },
{ "${HOME:o5,}", "/regression-tests" },
{ "${HOME:o5-}", "/regression-tests" },
{ "${HOME:o7,13}", "egress" },
{ "${HOME:y/a-z/A-YZ/}", "/HOME/REGRESSION-TESTS" },
{ "${HOME:y/e-g/a-c/}", "/homa/racrassion-tasts" },
{ "${FOO:p/15/../l}", "os............." },
{ "${FOO:p/15/12345/l}", "os1234512345123" },
{ "${FOO:p/15/../r}", ".............os" },
{ "${FOO:p/15/12345/r}", "1234512345123os" },
{ "${FOO:p/15/../c}", "......os......." },
{ "${FOO:p/15/12345/c}", "123451os1234512" },
{ "${FOO:s/os/\\x{4F}\\123/g}", "OS" },
{ "${FOO:s/os/\\1\\x4F\\123/t}", "\\1OS" },
{ "${HOME:s/g(res)s/x\\1x/g}", "/home/rexresxion-tests" },
{ "${HOME:s/(s+)/_\\1_/g}", "/home/regre_ss_ion-te_s_t_s_" },
{ "${HOME:s/\\x65/\\x45/g}", "/homE/rEgrEssion-tEsts" },
{ "${HOME:s/(s*)/x\\1X/g}", "xXxXxXxXxXxXxXxXxXxXxXxssXxXxXxXxXxXxXxsXxXxsX" },
{ "${HOME:s/./\\\\/g}", "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" }
};
char* tmp;
size_t tmp_len;
var_rc_t rc;
size_t i;
char buffer[1024];
if (setenv("HOME", "/home/regression-tests", 1) != 0 ||
setenv("OSTYPE", "regression-os", 1) != 0 ||
setenv("TERM", "regression-term", 1) != 0 ||
setenv("FOO", "os", 1) != 0 ||
setenv("BAR", "type", 1) != 0 ||
setenv("EMPTY", "", 1) != 0)
{
printf("Failed to set the environment: %s.\n", strerror(errno));
return 1;
}
unsetenv("UNDEFINED");
for (i = 0; i < sizeof(tests) / sizeof(struct test_case); ++i)
{
#ifdef DEBUG
printf("Test case #%02d: Original input is '%s'.\n", i, tests[i].input);
#endif
rc = var_unescape(tests[i].input, strlen(tests[i].input), buffer, 0);
if (rc != VAR_OK)
{
printf("Test case #%d: First var_unescape() failed with return code %d.\n", i, rc);
return 1;
}
#ifdef DEBUG
printf("Test case #%02d: Unescaped input is '%s'.\n", i, buffer);
#endif
rc = var_expand(buffer, strlen(buffer), &tmp, &tmp_len,
&env_lookup, NULL,
NULL, 0);
if (rc != VAR_OK)
{
printf("Test case #%d: var_expand() failed with return code %d.\n", i, rc);
return 1;
}
#ifdef DEBUG
printf("Test case #%02d: Expanded output is '%s'.\n", i, tmp);
#endif
if (tmp_len != strlen(tests[i].expected) || tmp == NULL || memcmp(tests[i].expected, tmp, tmp_len) != 0)
{
printf("Test case #%d: Expected result '%s' but got '%s'.\n", i, tests[i].expected, tmp);
return 1;
}
free(tmp);
}
return 0;
}
