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freebsd-skq/contrib/atf/atf-c/tc.c
marcel aeee2a3118 Merge ATF 0.16 from vendor/atf/dist. 
Provenance: http://code.google.com/p/kyua
Discussed with: gibbs, gnn, keramida, mdf, mlaier,
Discussed with: Garrett Cooper
2012-09-04 23:16:58 +00:00

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/*
* Automated Testing Framework (atf)
*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "atf-c/defs.h"
#include "atf-c/error.h"
#include "atf-c/tc.h"
#include "detail/env.h"
#include "detail/fs.h"
#include "detail/map.h"
#include "detail/sanity.h"
#include "detail/text.h"
/* ---------------------------------------------------------------------
* Auxiliary functions.
* --------------------------------------------------------------------- */
enum expect_type {
EXPECT_PASS,
EXPECT_FAIL,
EXPECT_EXIT,
EXPECT_SIGNAL,
EXPECT_DEATH,
EXPECT_TIMEOUT,
};
struct context {
const atf_tc_t *tc;
const char *resfile;
size_t fail_count;
enum expect_type expect;
atf_dynstr_t expect_reason;
size_t expect_previous_fail_count;
size_t expect_fail_count;
int expect_exitcode;
int expect_signo;
};
static void context_init(struct context *, const atf_tc_t *, const char *);
static void check_fatal_error(atf_error_t);
static void report_fatal_error(const char *, ...)
ATF_DEFS_ATTRIBUTE_NORETURN;
static atf_error_t write_resfile(const int, const char *, const int,
const atf_dynstr_t *);
static void create_resfile(const char *, const char *, const int,
atf_dynstr_t *);
static void error_in_expect(struct context *, const char *, ...)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void validate_expect(struct context *);
static void expected_failure(struct context *, atf_dynstr_t *)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void fail_requirement(struct context *, atf_dynstr_t *)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void fail_check(struct context *, atf_dynstr_t *);
static void pass(struct context *)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void skip(struct context *, atf_dynstr_t *)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void format_reason_ap(atf_dynstr_t *, const char *, const size_t,
const char *, va_list);
static void format_reason_fmt(atf_dynstr_t *, const char *, const size_t,
const char *, ...);
static void errno_test(struct context *, const char *, const size_t,
const int, const char *, const bool,
void (*)(struct context *, atf_dynstr_t *));
static atf_error_t check_prog_in_dir(const char *, void *);
static atf_error_t check_prog(struct context *, const char *);
static void
context_init(struct context *ctx, const atf_tc_t *tc, const char *resfile)
{
ctx->tc = tc;
ctx->resfile = resfile;
ctx->fail_count = 0;
ctx->expect = EXPECT_PASS;
check_fatal_error(atf_dynstr_init(&ctx->expect_reason));
ctx->expect_previous_fail_count = 0;
ctx->expect_fail_count = 0;
ctx->expect_exitcode = 0;
ctx->expect_signo = 0;
}
static void
check_fatal_error(atf_error_t err)
{
if (atf_is_error(err)) {
char buf[1024];
atf_error_format(err, buf, sizeof(buf));
fprintf(stderr, "FATAL ERROR: %s\n", buf);
atf_error_free(err);
abort();
}
}
static void
report_fatal_error(const char *msg, ...)
{
va_list ap;
fprintf(stderr, "FATAL ERROR: ");
va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
fprintf(stderr, "\n");
abort();
}
/** Writes to a results file.
*
* The results file is supposed to be already open.
*
* This function returns an error code instead of exiting in case of error
* because the caller needs to clean up the reason object before terminating.
*/
static atf_error_t
write_resfile(const int fd, const char *result, const int arg,
const atf_dynstr_t *reason)
{
static char NL[] = "\n", CS[] = ": ";
char buf[64];
const char *r;
struct iovec iov[5];
ssize_t ret;
int count = 0;
INV(arg == -1 || reason != NULL);
#define UNCONST(a) ((void *)(unsigned long)(const void *)(a))
iov[count].iov_base = UNCONST(result);
iov[count++].iov_len = strlen(result);
if (reason != NULL) {
if (arg != -1) {
iov[count].iov_base = buf;
iov[count++].iov_len = snprintf(buf, sizeof(buf), "(%d)", arg);
}
iov[count].iov_base = CS;
iov[count++].iov_len = sizeof(CS) - 1;
r = atf_dynstr_cstring(reason);
iov[count].iov_base = UNCONST(r);
iov[count++].iov_len = strlen(r);
}
#undef UNCONST
iov[count].iov_base = NL;
iov[count++].iov_len = sizeof(NL) - 1;
while ((ret = writev(fd, iov, count)) == -1 && errno == EINTR)
continue; /* Retry. */
if (ret != -1)
return atf_no_error();
return atf_libc_error(
errno, "Failed to write results file; result %s, reason %s", result,
reason == NULL ? "null" : atf_dynstr_cstring(reason));
}
/** Creates a results file.
*
* The input reason is released in all cases.
*
* An error in this function is considered to be fatal, hence why it does
* not return any error code.
*/
static void
create_resfile(const char *resfile, const char *result, const int arg,
atf_dynstr_t *reason)
{
atf_error_t err;
if (strcmp("/dev/stdout", resfile) == 0) {
err = write_resfile(STDOUT_FILENO, result, arg, reason);
} else if (strcmp("/dev/stderr", resfile) == 0) {
err = write_resfile(STDERR_FILENO, result, arg, reason);
} else {
const int fd = open(resfile, O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1) {
err = atf_libc_error(errno, "Cannot create results file '%s'",
resfile);
} else {
err = write_resfile(fd, result, arg, reason);
close(fd);
}
}
if (reason != NULL)
atf_dynstr_fini(reason);
check_fatal_error(err);
}
/** Fails a test case if validate_expect fails. */
static void
error_in_expect(struct context *ctx, const char *fmt, ...)
{
atf_dynstr_t reason;
va_list ap;
va_start(ap, fmt);
format_reason_ap(&reason, NULL, 0, fmt, ap);
va_end(ap);
ctx->expect = EXPECT_PASS; /* Ensure fail_requirement really fails. */
fail_requirement(ctx, &reason);
}
/** Ensures that the "expect" state is correct.
*
* Call this function before modifying the current value of expect.
*/
static void
validate_expect(struct context *ctx)
{
if (ctx->expect == EXPECT_DEATH) {
error_in_expect(ctx, "Test case was expected to terminate abruptly "
"but it continued execution");
} else if (ctx->expect == EXPECT_EXIT) {
error_in_expect(ctx, "Test case was expected to exit cleanly but it "
"continued execution");
} else if (ctx->expect == EXPECT_FAIL) {
if (ctx->expect_fail_count == ctx->expect_previous_fail_count)
error_in_expect(ctx, "Test case was expecting a failure but none "
"were raised");
else
INV(ctx->expect_fail_count > ctx->expect_previous_fail_count);
} else if (ctx->expect == EXPECT_PASS) {
/* Nothing to validate. */
} else if (ctx->expect == EXPECT_SIGNAL) {
error_in_expect(ctx, "Test case was expected to receive a termination "
"signal but it continued execution");
} else if (ctx->expect == EXPECT_TIMEOUT) {
error_in_expect(ctx, "Test case was expected to hang but it continued "
"execution");
} else
UNREACHABLE;
}
static void
expected_failure(struct context *ctx, atf_dynstr_t *reason)
{
check_fatal_error(atf_dynstr_prepend_fmt(reason, "%s: ",
atf_dynstr_cstring(&ctx->expect_reason)));
create_resfile(ctx->resfile, "expected_failure", -1, reason);
exit(EXIT_SUCCESS);
}
static void
fail_requirement(struct context *ctx, atf_dynstr_t *reason)
{
if (ctx->expect == EXPECT_FAIL) {
expected_failure(ctx, reason);
} else if (ctx->expect == EXPECT_PASS) {
create_resfile(ctx->resfile, "failed", -1, reason);
exit(EXIT_FAILURE);
} else {
error_in_expect(ctx, "Test case raised a failure but was not "
"expecting one; reason was %s", atf_dynstr_cstring(reason));
}
UNREACHABLE;
}
static void
fail_check(struct context *ctx, atf_dynstr_t *reason)
{
if (ctx->expect == EXPECT_FAIL) {
fprintf(stderr, "*** Expected check failure: %s: %s\n",
atf_dynstr_cstring(&ctx->expect_reason),
atf_dynstr_cstring(reason));
ctx->expect_fail_count++;
} else if (ctx->expect == EXPECT_PASS) {
fprintf(stderr, "*** Check failed: %s\n", atf_dynstr_cstring(reason));
ctx->fail_count++;
} else {
error_in_expect(ctx, "Test case raised a failure but was not "
"expecting one; reason was %s", atf_dynstr_cstring(reason));
}
atf_dynstr_fini(reason);
}
static void
pass(struct context *ctx)
{
if (ctx->expect == EXPECT_FAIL) {
error_in_expect(ctx, "Test case was expecting a failure but got "
"a pass instead");
} else if (ctx->expect == EXPECT_PASS) {
create_resfile(ctx->resfile, "passed", -1, NULL);
exit(EXIT_SUCCESS);
} else {
error_in_expect(ctx, "Test case asked to explicitly pass but was "
"not expecting such condition");
}
UNREACHABLE;
}
static void
skip(struct context *ctx, atf_dynstr_t *reason)
{
if (ctx->expect == EXPECT_PASS) {
create_resfile(ctx->resfile, "skipped", -1, reason);
exit(EXIT_SUCCESS);
} else {
error_in_expect(ctx, "Can only skip a test case when running in "
"expect pass mode");
}
UNREACHABLE;
}
/** Formats a failure/skip reason message.
*
* The formatted reason is stored in out_reason. out_reason is initialized
* in this function and is supposed to be released by the caller. In general,
* the reason will eventually be fed to create_resfile, which will release
* it.
*
* Errors in this function are fatal. Rationale being: reasons are used to
* create results files; if we can't format the reason correctly, the result
* of the test program will be bogus. So it's better to just exit with a
* fatal error.
*/
static void
format_reason_ap(atf_dynstr_t *out_reason,
const char *source_file, const size_t source_line,
const char *reason, va_list ap)
{
atf_error_t err;
if (source_file != NULL) {
err = atf_dynstr_init_fmt(out_reason, "%s:%zd: ", source_file,
source_line);
} else {
PRE(source_line == 0);
err = atf_dynstr_init(out_reason);
}
if (!atf_is_error(err)) {
va_list ap2;
va_copy(ap2, ap);
err = atf_dynstr_append_ap(out_reason, reason, ap2);
va_end(ap2);
}
check_fatal_error(err);
}
static void
format_reason_fmt(atf_dynstr_t *out_reason,
const char *source_file, const size_t source_line,
const char *reason, ...)
{
va_list ap;
va_start(ap, reason);
format_reason_ap(out_reason, source_file, source_line, reason, ap);
va_end(ap);
}
static void
errno_test(struct context *ctx, const char *file, const size_t line,
const int exp_errno, const char *expr_str,
const bool expr_result,
void (*fail_func)(struct context *, atf_dynstr_t *))
{
const int actual_errno = errno;
if (expr_result) {
if (exp_errno != actual_errno) {
atf_dynstr_t reason;
format_reason_fmt(&reason, file, line, "Expected errno %d, got %d, "
"in %s", exp_errno, actual_errno, expr_str);
fail_func(ctx, &reason);
}
} else {
atf_dynstr_t reason;
format_reason_fmt(&reason, file, line, "Expected true value in %s",
expr_str);
fail_func(ctx, &reason);
}
}
struct prog_found_pair {
const char *prog;
bool found;
};
static atf_error_t
check_prog_in_dir(const char *dir, void *data)
{
struct prog_found_pair *pf = data;
atf_error_t err;
if (pf->found)
err = atf_no_error();
else {
atf_fs_path_t p;
err = atf_fs_path_init_fmt(&p, "%s/%s", dir, pf->prog);
if (atf_is_error(err))
goto out_p;
err = atf_fs_eaccess(&p, atf_fs_access_x);
if (!atf_is_error(err))
pf->found = true;
else {
atf_error_free(err);
INV(!pf->found);
err = atf_no_error();
}
out_p:
atf_fs_path_fini(&p);
}
return err;
}
static atf_error_t
check_prog(struct context *ctx, const char *prog)
{
atf_error_t err;
atf_fs_path_t p;
err = atf_fs_path_init_fmt(&p, "%s", prog);
if (atf_is_error(err))
goto out;
if (atf_fs_path_is_absolute(&p)) {
err = atf_fs_eaccess(&p, atf_fs_access_x);
if (atf_is_error(err)) {
atf_dynstr_t reason;
atf_error_free(err);
atf_fs_path_fini(&p);
format_reason_fmt(&reason, NULL, 0, "The required program %s could "
"not be found", prog);
skip(ctx, &reason);
}
} else {
const char *path = atf_env_get("PATH");
struct prog_found_pair pf;
atf_fs_path_t bp;
err = atf_fs_path_branch_path(&p, &bp);
if (atf_is_error(err))
goto out_p;
if (strcmp(atf_fs_path_cstring(&bp), ".") != 0) {
atf_fs_path_fini(&bp);
atf_fs_path_fini(&p);
report_fatal_error("Relative paths are not allowed when searching "
"for a program (%s)", prog);
UNREACHABLE;
}
pf.prog = prog;
pf.found = false;
err = atf_text_for_each_word(path, ":", check_prog_in_dir, &pf);
if (atf_is_error(err))
goto out_bp;
if (!pf.found) {
atf_dynstr_t reason;
atf_fs_path_fini(&bp);
atf_fs_path_fini(&p);
format_reason_fmt(&reason, NULL, 0, "The required program %s could "
"not be found in the PATH", prog);
fail_requirement(ctx, &reason);
}
out_bp:
atf_fs_path_fini(&bp);
}
out_p:
atf_fs_path_fini(&p);
out:
return err;
}
/* ---------------------------------------------------------------------
* The "atf_tc" type.
* --------------------------------------------------------------------- */
struct atf_tc_impl {
const char *m_ident;
atf_map_t m_vars;
atf_map_t m_config;
atf_tc_head_t m_head;
atf_tc_body_t m_body;
atf_tc_cleanup_t m_cleanup;
};
/*
* Constructors/destructors.
*/
atf_error_t
atf_tc_init(atf_tc_t *tc, const char *ident, atf_tc_head_t head,
atf_tc_body_t body, atf_tc_cleanup_t cleanup,
const char *const *config)
{
atf_error_t err;
tc->pimpl = malloc(sizeof(struct atf_tc_impl));
if (tc->pimpl == NULL) {
err = atf_no_memory_error();
goto err;
}
tc->pimpl->m_ident = ident;
tc->pimpl->m_head = head;
tc->pimpl->m_body = body;
tc->pimpl->m_cleanup = cleanup;
err = atf_map_init_charpp(&tc->pimpl->m_config, config);
if (atf_is_error(err))
goto err;
err = atf_map_init(&tc->pimpl->m_vars);
if (atf_is_error(err))
goto err_vars;
err = atf_tc_set_md_var(tc, "ident", ident);
if (atf_is_error(err))
goto err_map;
if (cleanup != NULL) {
err = atf_tc_set_md_var(tc, "has.cleanup", "true");
if (atf_is_error(err))
goto err_map;
}
/* XXX Should the head be able to return error codes? */
if (tc->pimpl->m_head != NULL)
tc->pimpl->m_head(tc);
if (strcmp(atf_tc_get_md_var(tc, "ident"), ident) != 0) {
report_fatal_error("Test case head modified the read-only 'ident' "
"property");
UNREACHABLE;
}
INV(!atf_is_error(err));
return err;
err_map:
atf_map_fini(&tc->pimpl->m_vars);
err_vars:
atf_map_fini(&tc->pimpl->m_config);
err:
return err;
}
atf_error_t
atf_tc_init_pack(atf_tc_t *tc, const atf_tc_pack_t *pack,
const char *const *config)
{
return atf_tc_init(tc, pack->m_ident, pack->m_head, pack->m_body,
pack->m_cleanup, config);
}
void
atf_tc_fini(atf_tc_t *tc)
{
atf_map_fini(&tc->pimpl->m_vars);
free(tc->pimpl);
}
/*
* Getters.
*/
const char *
atf_tc_get_ident(const atf_tc_t *tc)
{
return tc->pimpl->m_ident;
}
const char *
atf_tc_get_config_var(const atf_tc_t *tc, const char *name)
{
const char *val;
atf_map_citer_t iter;
PRE(atf_tc_has_config_var(tc, name));
iter = atf_map_find_c(&tc->pimpl->m_config, name);
val = atf_map_citer_data(iter);
INV(val != NULL);
return val;
}
const char *
atf_tc_get_config_var_wd(const atf_tc_t *tc, const char *name,
const char *defval)
{
const char *val;
if (!atf_tc_has_config_var(tc, name))
val = defval;
else
val = atf_tc_get_config_var(tc, name);
return val;
}
bool
atf_tc_get_config_var_as_bool(const atf_tc_t *tc, const char *name)
{
bool val;
const char *strval;
atf_error_t err;
strval = atf_tc_get_config_var(tc, name);
err = atf_text_to_bool(strval, &val);
if (atf_is_error(err)) {
atf_error_free(err);
atf_tc_fail("Configuration variable %s does not have a valid "
"boolean value; found %s", name, strval);
}
return val;
}
bool
atf_tc_get_config_var_as_bool_wd(const atf_tc_t *tc, const char *name,
const bool defval)
{
bool val;
if (!atf_tc_has_config_var(tc, name))
val = defval;
else
val = atf_tc_get_config_var_as_bool(tc, name);
return val;
}
long
atf_tc_get_config_var_as_long(const atf_tc_t *tc, const char *name)
{
long val;
const char *strval;
atf_error_t err;
strval = atf_tc_get_config_var(tc, name);
err = atf_text_to_long(strval, &val);
if (atf_is_error(err)) {
atf_error_free(err);
atf_tc_fail("Configuration variable %s does not have a valid "
"long value; found %s", name, strval);
}
return val;
}
long
atf_tc_get_config_var_as_long_wd(const atf_tc_t *tc, const char *name,
const long defval)
{
long val;
if (!atf_tc_has_config_var(tc, name))
val = defval;
else
val = atf_tc_get_config_var_as_long(tc, name);
return val;
}
const char *
atf_tc_get_md_var(const atf_tc_t *tc, const char *name)
{
const char *val;
atf_map_citer_t iter;
PRE(atf_tc_has_md_var(tc, name));
iter = atf_map_find_c(&tc->pimpl->m_vars, name);
val = atf_map_citer_data(iter);
INV(val != NULL);
return val;
}
char **
atf_tc_get_md_vars(const atf_tc_t *tc)
{
return atf_map_to_charpp(&tc->pimpl->m_vars);
}
bool
atf_tc_has_config_var(const atf_tc_t *tc, const char *name)
{
atf_map_citer_t end, iter;
iter = atf_map_find_c(&tc->pimpl->m_config, name);
end = atf_map_end_c(&tc->pimpl->m_config);
return !atf_equal_map_citer_map_citer(iter, end);
}
bool
atf_tc_has_md_var(const atf_tc_t *tc, const char *name)
{
atf_map_citer_t end, iter;
iter = atf_map_find_c(&tc->pimpl->m_vars, name);
end = atf_map_end_c(&tc->pimpl->m_vars);
return !atf_equal_map_citer_map_citer(iter, end);
}
/*
* Modifiers.
*/
atf_error_t
atf_tc_set_md_var(atf_tc_t *tc, const char *name, const char *fmt, ...)
{
atf_error_t err;
char *value;
va_list ap;
va_start(ap, fmt);
err = atf_text_format_ap(&value, fmt, ap);
va_end(ap);
if (!atf_is_error(err))
err = atf_map_insert(&tc->pimpl->m_vars, name, value, true);
else
free(value);
return err;
}
/* ---------------------------------------------------------------------
* Free functions, as they should be publicly but they can't.
* --------------------------------------------------------------------- */
static void _atf_tc_fail(struct context *, const char *, va_list)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void _atf_tc_fail_nonfatal(struct context *, const char *, va_list);
static void _atf_tc_fail_check(struct context *, const char *, const size_t,
const char *, va_list);
static void _atf_tc_fail_requirement(struct context *, const char *,
const size_t, const char *, va_list) ATF_DEFS_ATTRIBUTE_NORETURN;
static void _atf_tc_pass(struct context *) ATF_DEFS_ATTRIBUTE_NORETURN;
static void _atf_tc_require_prog(struct context *, const char *);
static void _atf_tc_skip(struct context *, const char *, va_list)
ATF_DEFS_ATTRIBUTE_NORETURN;
static void _atf_tc_check_errno(struct context *, const char *, const size_t,
const int, const char *, const bool);
static void _atf_tc_require_errno(struct context *, const char *, const size_t,
const int, const char *, const bool);
static void _atf_tc_expect_pass(struct context *);
static void _atf_tc_expect_fail(struct context *, const char *, va_list);
static void _atf_tc_expect_exit(struct context *, const int, const char *,
va_list);
static void _atf_tc_expect_signal(struct context *, const int, const char *,
va_list);
static void _atf_tc_expect_death(struct context *, const char *,
va_list);
static void
_atf_tc_fail(struct context *ctx, const char *fmt, va_list ap)
{
va_list ap2;
atf_dynstr_t reason;
va_copy(ap2, ap);
format_reason_ap(&reason, NULL, 0, fmt, ap2);
va_end(ap2);
fail_requirement(ctx, &reason);
UNREACHABLE;
}
static void
_atf_tc_fail_nonfatal(struct context *ctx, const char *fmt, va_list ap)
{
va_list ap2;
atf_dynstr_t reason;
va_copy(ap2, ap);
format_reason_ap(&reason, NULL, 0, fmt, ap2);
va_end(ap2);
fail_check(ctx, &reason);
}
static void
_atf_tc_fail_check(struct context *ctx, const char *file, const size_t line,
const char *fmt, va_list ap)
{
va_list ap2;
atf_dynstr_t reason;
va_copy(ap2, ap);
format_reason_ap(&reason, file, line, fmt, ap2);
va_end(ap2);
fail_check(ctx, &reason);
}
static void
_atf_tc_fail_requirement(struct context *ctx, const char *file,
const size_t line, const char *fmt, va_list ap)
{
va_list ap2;
atf_dynstr_t reason;
va_copy(ap2, ap);
format_reason_ap(&reason, file, line, fmt, ap2);
va_end(ap2);
fail_requirement(ctx, &reason);
UNREACHABLE;
}
static void
_atf_tc_pass(struct context *ctx)
{
pass(ctx);
UNREACHABLE;
}
static void
_atf_tc_require_prog(struct context *ctx, const char *prog)
{
check_fatal_error(check_prog(ctx, prog));
}
static void
_atf_tc_skip(struct context *ctx, const char *fmt, va_list ap)
{
atf_dynstr_t reason;
va_list ap2;
va_copy(ap2, ap);
format_reason_ap(&reason, NULL, 0, fmt, ap2);
va_end(ap2);
skip(ctx, &reason);
}
static void
_atf_tc_check_errno(struct context *ctx, const char *file, const size_t line,
const int exp_errno, const char *expr_str,
const bool expr_result)
{
errno_test(ctx, file, line, exp_errno, expr_str, expr_result, fail_check);
}
static void
_atf_tc_require_errno(struct context *ctx, const char *file, const size_t line,
const int exp_errno, const char *expr_str,
const bool expr_result)
{
errno_test(ctx, file, line, exp_errno, expr_str, expr_result,
fail_requirement);
}
static void
_atf_tc_expect_pass(struct context *ctx)
{
validate_expect(ctx);
ctx->expect = EXPECT_PASS;
}
static void
_atf_tc_expect_fail(struct context *ctx, const char *reason, va_list ap)
{
va_list ap2;
validate_expect(ctx);
ctx->expect = EXPECT_FAIL;
atf_dynstr_fini(&ctx->expect_reason);
va_copy(ap2, ap);
check_fatal_error(atf_dynstr_init_ap(&ctx->expect_reason, reason, ap2));
va_end(ap2);
ctx->expect_previous_fail_count = ctx->expect_fail_count;
}
static void
_atf_tc_expect_exit(struct context *ctx, const int exitcode, const char *reason,
va_list ap)
{
va_list ap2;
atf_dynstr_t formatted;
validate_expect(ctx);
ctx->expect = EXPECT_EXIT;
va_copy(ap2, ap);
check_fatal_error(atf_dynstr_init_ap(&formatted, reason, ap2));
va_end(ap2);
create_resfile(ctx->resfile, "expected_exit", exitcode, &formatted);
}
static void
_atf_tc_expect_signal(struct context *ctx, const int signo, const char *reason,
va_list ap)
{
va_list ap2;
atf_dynstr_t formatted;
validate_expect(ctx);
ctx->expect = EXPECT_SIGNAL;
va_copy(ap2, ap);
check_fatal_error(atf_dynstr_init_ap(&formatted, reason, ap2));
va_end(ap2);
create_resfile(ctx->resfile, "expected_signal", signo, &formatted);
}
static void
_atf_tc_expect_death(struct context *ctx, const char *reason, va_list ap)
{
va_list ap2;
atf_dynstr_t formatted;
validate_expect(ctx);
ctx->expect = EXPECT_DEATH;
va_copy(ap2, ap);
check_fatal_error(atf_dynstr_init_ap(&formatted, reason, ap2));
va_end(ap2);
create_resfile(ctx->resfile, "expected_death", -1, &formatted);
}
static void
_atf_tc_expect_timeout(struct context *ctx, const char *reason, va_list ap)
{
va_list ap2;
atf_dynstr_t formatted;
validate_expect(ctx);
ctx->expect = EXPECT_TIMEOUT;
va_copy(ap2, ap);
check_fatal_error(atf_dynstr_init_ap(&formatted, reason, ap2));
va_end(ap2);
create_resfile(ctx->resfile, "expected_timeout", -1, &formatted);
}
/* ---------------------------------------------------------------------
* Free functions.
* --------------------------------------------------------------------- */
static struct context Current;
atf_error_t
atf_tc_run(const atf_tc_t *tc, const char *resfile)
{
context_init(&Current, tc, resfile);
tc->pimpl->m_body(tc);
validate_expect(&Current);
if (Current.fail_count > 0) {
atf_dynstr_t reason;
format_reason_fmt(&reason, NULL, 0, "%d checks failed; see output for "
"more details", Current.fail_count);
fail_requirement(&Current, &reason);
} else if (Current.expect_fail_count > 0) {
atf_dynstr_t reason;
format_reason_fmt(&reason, NULL, 0, "%d checks failed as expected; "
"see output for more details", Current.expect_fail_count);
expected_failure(&Current, &reason);
} else {
pass(&Current);
}
UNREACHABLE;
return atf_no_error();
}
atf_error_t
atf_tc_cleanup(const atf_tc_t *tc)
{
if (tc->pimpl->m_cleanup != NULL)
tc->pimpl->m_cleanup(tc);
return atf_no_error(); /* XXX */
}
/* ---------------------------------------------------------------------
* Free functions that depend on Current.
* --------------------------------------------------------------------- */
/*
* All the functions below provide delegates to other internal functions
* (prefixed by _) that take the current test case as an argument to
* prevent them from accessing global state. This is to keep the side-
* effects of the internal functions clearer and easier to understand.
*
* The public API should never have hid the fact that it needs access to
* the current test case (other than maybe in the macros), but changing it
* is hard. TODO: Revisit in the future.
*/
void
atf_tc_fail(const char *fmt, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, fmt);
_atf_tc_fail(&Current, fmt, ap);
va_end(ap);
}
void
atf_tc_fail_nonfatal(const char *fmt, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, fmt);
_atf_tc_fail_nonfatal(&Current, fmt, ap);
va_end(ap);
}
void
atf_tc_fail_check(const char *file, const size_t line, const char *fmt, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, fmt);
_atf_tc_fail_check(&Current, file, line, fmt, ap);
va_end(ap);
}
void
atf_tc_fail_requirement(const char *file, const size_t line,
const char *fmt, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, fmt);
_atf_tc_fail_requirement(&Current, file, line, fmt, ap);
va_end(ap);
}
void
atf_tc_pass(void)
{
PRE(Current.tc != NULL);
_atf_tc_pass(&Current);
}
void
atf_tc_require_prog(const char *prog)
{
PRE(Current.tc != NULL);
_atf_tc_require_prog(&Current, prog);
}
void
atf_tc_skip(const char *fmt, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, fmt);
_atf_tc_skip(&Current, fmt, ap);
va_end(ap);
}
void
atf_tc_check_errno(const char *file, const size_t line, const int exp_errno,
const char *expr_str, const bool expr_result)
{
PRE(Current.tc != NULL);
_atf_tc_check_errno(&Current, file, line, exp_errno, expr_str,
expr_result);
}
void
atf_tc_require_errno(const char *file, const size_t line, const int exp_errno,
const char *expr_str, const bool expr_result)
{
PRE(Current.tc != NULL);
_atf_tc_require_errno(&Current, file, line, exp_errno, expr_str,
expr_result);
}
void
atf_tc_expect_pass(void)
{
PRE(Current.tc != NULL);
_atf_tc_expect_pass(&Current);
}
void
atf_tc_expect_fail(const char *reason, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, reason);
_atf_tc_expect_fail(&Current, reason, ap);
va_end(ap);
}
void
atf_tc_expect_exit(const int exitcode, const char *reason, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, reason);
_atf_tc_expect_exit(&Current, exitcode, reason, ap);
va_end(ap);
}
void
atf_tc_expect_signal(const int signo, const char *reason, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, reason);
_atf_tc_expect_signal(&Current, signo, reason, ap);
va_end(ap);
}
void
atf_tc_expect_death(const char *reason, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, reason);
_atf_tc_expect_death(&Current, reason, ap);
va_end(ap);
}
void
atf_tc_expect_timeout(const char *reason, ...)
{
va_list ap;
PRE(Current.tc != NULL);
va_start(ap, reason);
_atf_tc_expect_timeout(&Current, reason, ap);
va_end(ap);
}
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