tests: Add tests to cover unhandled programmer params paths

Unhandled programmer params are considered as an error for
initialisation procedure, adding tests to run those scenarios.

BUG=b:181803212
TEST=ninja test

Change-Id: Ia64f6362f46a029e168bfdb3bdb903328fd1f9c7
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/67199
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

tests/dummyflasher.c

@@ -55,8 +55,66 @@ void dummy_probe_variable_size_test_success(void **state)
 	run_probe_lifecycle(state, &dummy_io, &programmer_dummy, "size=8388608,emulate=VARIABLE_SIZE", "Opaque flash chip");
 }
 
+void dummy_init_fails_unhandled_param_test_success(void **state)
+{
+	struct io_mock_fallback_open_state dummy_fallback_open_state = {
+		.noc = 0,
+		.paths = { NULL },
+	};
+	const struct io_mock dummy_io = {
+		.fallback_open_state = &dummy_fallback_open_state,
+	};
+
+	/*
+	 * Programmer init should fail due to `dummy_init` failure caused by
+	 * invalid value of `emulate` param. There is unhandled param left
+	 * at the end of param string.
+	 */
+	run_init_error_path(state, &dummy_io, &programmer_dummy, "bus=spi,emulate=INVALID,unhandled=value", 1);
+}
+
+void dummy_init_success_invalid_param_test_success(void **state)
+{
+	struct io_mock_fallback_open_state dummy_fallback_open_state = {
+		.noc = 0,
+		.paths = { NULL },
+	};
+	const struct io_mock dummy_io = {
+		.fallback_open_state = &dummy_fallback_open_state,
+	};
+
+	/*
+	 * Programmer init should fail despite of the fact that `dummy_init`
+	 * is successful, due to invalid param at the end of param string.
+	 */
+	run_init_error_path(state, &dummy_io, &programmer_dummy,
+				"bus=spi,emulate=W25Q128FV,invalid=value", ERROR_FATAL);
+}
+
+void dummy_init_success_unhandled_param_test_success(void **state)
+{
+	struct io_mock_fallback_open_state dummy_fallback_open_state = {
+		.noc = 0,
+		.paths = { NULL },
+	};
+	const struct io_mock dummy_io = {
+		.fallback_open_state = &dummy_fallback_open_state,
+	};
+
+	/*
+	 * Programmer init should fail despite of the fact that `dummy_init`
+	 * is successful, due to unhandled param at the end of param string.
+	 * Unhandled param `voltage` is not used for dummyflasher.
+	 */
+	run_init_error_path(state, &dummy_io, &programmer_dummy,
+				"bus=spi,emulate=W25Q128FV,voltage=3.5V", ERROR_FATAL);
+}
+
 #else
 	SKIP_TEST(dummy_basic_lifecycle_test_success)
 	SKIP_TEST(dummy_probe_lifecycle_test_success)
 	SKIP_TEST(dummy_probe_variable_size_test_success)
+	SKIP_TEST(dummy_init_fails_unhandled_param_test_success)
+	SKIP_TEST(dummy_init_success_invalid_param_test_success)
+	SKIP_TEST(dummy_init_success_unhandled_param_test_success)
 #endif /* CONFIG_DUMMY */

tests/tests.c

@@ -410,6 +410,9 @@ int main(int argc, char *argv[])
 		cmocka_unit_test(dummy_basic_lifecycle_test_success),
 		cmocka_unit_test(dummy_probe_lifecycle_test_success),
 		cmocka_unit_test(dummy_probe_variable_size_test_success),
+		cmocka_unit_test(dummy_init_fails_unhandled_param_test_success),
+		cmocka_unit_test(dummy_init_success_invalid_param_test_success),
+		cmocka_unit_test(dummy_init_success_unhandled_param_test_success),
 		cmocka_unit_test(nicrealtek_basic_lifecycle_test_success),
 		cmocka_unit_test(raiden_debug_basic_lifecycle_test_success),
 		cmocka_unit_test(dediprog_basic_lifecycle_test_success),

tests/tests.h

@@ -45,6 +45,9 @@ void probe_spi_st95_test_success(void **state); /* spi95.c */
 void dummy_basic_lifecycle_test_success(void **state);
 void dummy_probe_lifecycle_test_success(void **state);
 void dummy_probe_variable_size_test_success(void **state);
+void dummy_init_fails_unhandled_param_test_success(void **state);
+void dummy_init_success_invalid_param_test_success(void **state);
+void dummy_init_success_unhandled_param_test_success(void **state);
 void nicrealtek_basic_lifecycle_test_success(void **state);
 void raiden_debug_basic_lifecycle_test_success(void **state);
 void dediprog_basic_lifecycle_test_success(void **state);