wayland-protocols/tests/meson.build

prog_scan_sh = find_program('scan.sh')

libwayland = [
	dependency('wayland-client'),
	dependency('wayland-server'),
]

# Check that each protocol passes through the scanner
foreach protocol_file : protocol_files
	protocol_path = join_paths(meson.project_source_root(), protocol_file)
	test_name = 'scan-@0@'.format(protocol_file.underscorify())
	test(test_name, prog_scan_sh,
		args: protocol_path,
		env: [
			'SCANNER=@0@'.format(prog_scanner.full_path()),
		]
	)
endforeach

# Check buildability

add_languages('c', 'cpp', native: false)
replace = find_program('replace.py')

# Some protocols reference interfaces defined in other protocols.
# Map each such protocol to the protocols it depends on, so we can
# link the dependency's generated code into the test executable.
protocol_deps = {
	'unstable/xdg-decoration/xdg-decoration-unstable-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/xdg-dialog/xdg-dialog-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/xdg-session-management/xdg-session-management-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/xdg-toplevel-drag/xdg-toplevel-drag-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/xdg-toplevel-icon/xdg-toplevel-icon-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/xdg-toplevel-tag/xdg-toplevel-tag-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'experimental/xx-session-management/xx-session-management-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'experimental/xx-zones/xx-zones-v1.xml': [
		'stable/xdg-shell/xdg-shell.xml',
	],
	'staging/cursor-shape/cursor-shape-v1.xml': [
		'stable/tablet/tablet-v2.xml',
	],
	'staging/ext-image-capture-source/ext-image-capture-source-v1.xml': [
		'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml',
	],
	'staging/ext-image-copy-capture/ext-image-copy-capture-v1.xml': [
		'staging/ext-image-capture-source/ext-image-capture-source-v1.xml',
		'staging/ext-foreign-toplevel-list/ext-foreign-toplevel-list-v1.xml',
	],
	'experimental/xx-keyboard-filter/xx-keyboard-filter-v1.xml': [
		'experimental/xx-input-method/xx-input-method-v2.xml',
	],
}

# First pass: generate scanner outputs for each protocol and record the
# generated custom_targets for use when building test executables.
protocol_code = {}
protocol_client_header = {}
protocol_server_header = {}
protocol_replace_command = {}

foreach protocol_file : protocol_files
	xml_file = fs.name(protocol_file)
	xml_components = xml_file.split('.')
	protocol_base_file_name = xml_components[0]

	protocol_path = files(join_paths(meson.project_source_root(), protocol_file))
	client_header_path = '@0@-client.h'.format(protocol_base_file_name)
	server_header_path = '@0@-server.h'.format(protocol_base_file_name)
	code_path = '@0@-code.c'.format(protocol_base_file_name)
	client_header = custom_target(
		client_header_path,
		output: client_header_path,
		input: protocol_path,
		command: [
			prog_scanner,
			'--strict',
			'client-header',
			'@INPUT@',
			'@OUTPUT@',
		],
		install: false,
	)
	server_header = custom_target(
		server_header_path,
		output: server_header_path,
		input: protocol_path,
		command: [
			prog_scanner,
			'--strict',
			'server-header',
			'@INPUT@',
			'@OUTPUT@',
		],
		install: false,
	)
	code = custom_target(
		code_path,
		output: code_path,
		input: protocol_path,
		command: [
			prog_scanner,
			'--strict',
			'private-code',
			'@INPUT@',
			'@OUTPUT@',
		],
		install: false,
	)

	protocol_code += {protocol_file: code}
	protocol_client_header += {protocol_file: client_header}
	protocol_server_header += {protocol_file: server_header}
	protocol_replace_command += {protocol_file: [
		replace,
		'@INPUT@',
		'@OUTPUT@',
		'PROTOCOL_CLIENT_INCLUDE_FILE',
		client_header.full_path(),
		'PROTOCOL_SERVER_INCLUDE_FILE',
		server_header.full_path(),
	]}
endforeach

# Second pass: build test executables, linking in dependency code.
foreach protocol_file : protocol_files
	client_header = protocol_client_header[protocol_file]
	server_header = protocol_server_header[protocol_file]
	code = protocol_code[protocol_file]
	replace_command = protocol_replace_command[protocol_file]

	dep_code = []
	if protocol_file in protocol_deps
		foreach dep : protocol_deps[protocol_file]
			dep_code += [protocol_code[dep]]
		endforeach
	endif

	# Check that header can be included by a pedantic C99 compiler
	test_name = 'test-build-pedantic-@0@'.format(protocol_file.underscorify())
	test_name_source = '@0@.c'.format(test_name)
	test_source = custom_target(
		test_name_source,
		input: 'build-pedantic.c.in',
		output: test_name_source,
		command: replace_command,
	)
	pedantic_test_executable = executable(
		test_name,
		[
			test_source,
			client_header,
			server_header,
			code,
		] + dep_code,
		dependencies: libwayland,
		c_args: [
			'-std=c99',
			'-pedantic',
			'-Wall',
			'-Werror' ],
		install: false,
	)
	test(test_name, pedantic_test_executable)

	# Check that the header
	if not protocol_file.contains('xdg-foreign-unstable-v1')
		test_name = 'test-build-cxx-@0@'.format(protocol_file.underscorify())
		test_name_source = '@0@.cc'.format(test_name)
		test_source = custom_target(
			test_name_source,
			input: 'build-cxx.cc.in',
			output: test_name_source,
			command: replace_command,
		)
		cxx_test_executable = executable(
			test_name,
			[
				test_source,
				client_header,
				server_header,
			] + dep_code,
					dependencies: libwayland,
			cpp_args: [
				'-Wall',
				'-Werror',
			],
			install: false,
		)
		test(test_name, cxx_test_executable)
	endif
endforeach