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Diffstat (limited to 'tests/test_app.c')
| -rw-r--r-- | tests/test_app.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/test_app.c b/tests/test_app.c new file mode 100644 index 0000000..b1438a1 --- /dev/null +++ b/tests/test_app.c @@ -0,0 +1,80 @@ +/*:* + * 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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