android_nocompile.gni (4169B)
1 # Copyright 2020 The Chromium Authors 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import("//chromium/build/config/android/rules.gni") 6 7 declare_args() { 8 # Used by tests to enable generating build files for GN targets which should 9 # not compile. 10 enable_android_nocompile_tests = false 11 } 12 13 # Defines a test suite which checks that the 'test targets' fail to compile. The 14 # test suite runs 'gn gen' with a custom output directory and attempts to compile 15 # each test target. 16 # 17 # All of the tests should be defined in the same dedicated BUILD.gn file in order 18 # to minimize the number of targets that are processed by 'gn gen'. 19 # 20 # Variables 21 # tests: List of test configurations. A test configuration has the following 22 # keys: 23 # 'target': The GN target which should not compile when 24 # enable_android_nocompile_tests=true The target should compile when 25 # enable_android_nocompile_tests=false. 26 # 'expected_compile_output_regex': Error message regex to search for when compile fails. 27 # 'nocompile_sources': Source files which do not compile. This ensures that 28 # the test suite is re-run when one of these files change (as the test 29 # targets might not depend of the files when 30 # enable_android_nocompile_tests=false). 31 template("android_nocompile_test_suite") { 32 assert(!enable_android_nocompile_tests) 33 34 action(target_name) { 35 testonly = true 36 script = "//chromium/build/android/gyp/nocompile_test.py" 37 pool = "//chromium/build/config/android:nocompile_pool" 38 39 _tests = invoker.tests 40 _test0 = _tests[0] 41 _test0_dir = get_label_info(_test0["target"], "dir") 42 _test0_target_out_dir = get_label_info(_test0["target"], "target_out_dir") 43 foreach(_test_config, _tests) { 44 assert( 45 _test0_dir == get_label_info(_test_config["target"], "dir"), 46 "To avoid running 'gn gen' for each test, all tests in an android_nocompile_test_suite() should be declared in same BUILD.gn file") 47 } 48 49 deps = [] 50 if (defined(invoker.deps)) { 51 deps += invoker.deps 52 } 53 54 sources = [] 55 if (defined(invoker.sources)) { 56 sources += invoker.sources 57 } 58 59 # Depend on compile_java Python scripts so that the action is re-run whenever the script is 60 # modified. 61 _pydeps = [ "//chromium/build/android/gyp/compile_java.pydeps" ] 62 if (defined(invoker.pydeps)) { 63 _pydeps += invoker.pydeps 64 } 65 66 inputs = [] 67 foreach(_pydeps_file, _pydeps) { 68 _pydeps_file_lines = [] 69 _pydeps_file_lines = read_file(_pydeps_file, "list lines") 70 _pydeps_entries = [] 71 _pydeps_entries = filter_exclude(_pydeps_file_lines, [ "#*" ]) 72 _pydeps_file_dir = get_path_info(_pydeps_file, "dir") 73 inputs += rebase_path(_pydeps_entries, ".", _pydeps_file_dir) 74 } 75 76 _json_test_configs = [] 77 foreach(_test_config, _tests) { 78 _test = _test_config["target"] 79 deps += [ _test ] 80 sources += _test_config["nocompile_sources"] 81 _dep_dir = get_label_info(_test, "dir") 82 _dep_name = get_label_info(_test, "name") 83 _json_test_configs += [ 84 { 85 target = "${_dep_dir}:${_dep_name}" 86 expect_regex = _test_config["expected_compile_output_regex"] 87 }, 88 ] 89 } 90 91 _config_path = "$target_gen_dir/${target_name}.nocompile_config" 92 write_file(_config_path, _json_test_configs, "json") 93 94 # Compute output directory for no-compile tests based on the directory containing test 95 # targets instead of based on the test suite target name. This avoids calling 'gn gen' for each 96 # android_nocompile_test_suite() for test suites whose tests are declared in the same BUILD.gn 97 # file. 98 _out_dir = "${_test0_target_out_dir}/nocompile_out" 99 100 _stamp_path = "${target_gen_dir}/${target_name}.stamp" 101 args = [ 102 "--gn-args-path", 103 "args.gn", 104 "--out-dir", 105 rebase_path(_out_dir, root_build_dir), 106 "--test-configs-path", 107 rebase_path(_config_path, root_build_dir), 108 "--stamp", 109 rebase_path(_stamp_path, root_build_dir), 110 ] 111 inputs += [ _config_path ] 112 outputs = [ _stamp_path ] 113 } 114 }