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/*:*
* ggaze — app CLI unit test
*
* Exercises the ggaze binary as a subprocess (so --help/--version, which call
* exit() inside g_application_run, do not terminate the test process itself).
* Verifies: `--version` prints "ggaze" and exits 0; `--help` exits 0; an
* unknown flag exits non-zero. No display is needed — all three exit before
* activate. The ggaze binary path is passed as argv[1] by meson.
*
* Copyright (c) 2026 ggaze contributors
* SPDX-License-Identifier: GPL-3.0-or-later
*:*/
#include "ggaze-config.h"
#include <glib.h>
#include <gio/gio.h>
static const char *GGAZE_BIN;
/* Run GGAZE_BIN with c_arg, return the exit status (0 on success). If
* c_out is non-NULL, receive the combined stdout+stderr. */
static gint
run_one(const char *c_arg, char **c_out) {
GError *p_err = NULL;
GSubprocess *p_sub = g_subprocess_new(G_SUBPROCESS_FLAGS_STDOUT_PIPE |
G_SUBPROCESS_FLAGS_STDERR_MERGE,
&p_err, GGAZE_BIN, c_arg, NULL);
g_assert_no_error(p_err);
char *c_stdout = NULL;
g_subprocess_communicate_utf8(p_sub, NULL, NULL, &c_stdout, NULL, &p_err);
g_assert_no_error(p_err);
g_assert_true(g_subprocess_get_if_exited(p_sub));
gint i_status = g_subprocess_get_exit_status(p_sub);
if (c_out != NULL) {
*c_out = c_stdout;
} else {
g_free(c_stdout);
}
g_object_unref(p_sub);
return (i_status);
}
static void
test_version(void) {
char *c_out = NULL;
gint i_status = run_one("--version", &c_out);
g_assert_cmpint(i_status, ==, 0);
g_assert_nonnull(c_out);
g_assert_nonnull(g_strstr_len(c_out, -1, "ggaze"));
g_free(c_out);
}
static void
test_help(void) {
/* GApplication provides --help itself; it prints and exits 0. */
gint i_status = run_one("--help", NULL);
g_assert_cmpint(i_status, ==, 0);
}
static void
test_unknown_flag(void) {
gint i_status = run_one("--definitely-not-a-ggaze-flag", NULL);
g_assert_cmpint(i_status, !=, 0);
}
int
main(int i_argc, char **c_argv) {
g_assert_cmpint(i_argc, >=, 2);
GGAZE_BIN = c_argv[1];
g_test_init(&i_argc, &c_argv, NULL);
g_test_add_func("/app/version", test_version);
g_test_add_func("/app/help", test_help);
g_test_add_func("/app/unknown_flag", test_unknown_flag);
return (g_test_run());
}
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