json_gn_editor_test.py (3859B)
1 #!/usr/bin/env python3 2 # Copyright 2021 The Chromium Authors 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 import unittest 6 import tempfile 7 import textwrap 8 import os 9 10 import json_gn_editor 11 12 13 class BuildFileTest(unittest.TestCase): 14 def test_avoid_reformatting_gn_file_if_no_ast_changed(self): 15 text = textwrap.dedent('''\ 16 android_library("target_name") { 17 deps =[":local_dep"]} #shouldn't change 18 ''') 19 with tempfile.NamedTemporaryFile(mode='w') as f: 20 f.write(text) 21 f.flush() 22 with json_gn_editor.BuildFile(f.name, '/') as build_file: 23 pass 24 with open(f.name, 'r') as f_after: 25 self.assertEqual(f_after.read(), text) 26 27 def test_split_dep_works_for_full_relative_abs_deps(self): 28 with tempfile.TemporaryDirectory() as rootdir: 29 java_subdir = os.path.join(rootdir, 'java') 30 os.mkdir(java_subdir) 31 build_gn_path = os.path.join(java_subdir, 'BUILD.gn') 32 with open(build_gn_path, 'w') as f: 33 f.write( 34 textwrap.dedent('''\ 35 android_library("java") { 36 } 37 38 android_library("target1") { 39 deps = [ "//java:java" ] 40 } 41 42 android_library("target2") { 43 deps += [ ":java" ] 44 } 45 46 android_library("target3") { 47 public_deps = [ "//java" ] 48 } 49 ''')) 50 with json_gn_editor.BuildFile(build_gn_path, 51 rootdir) as build_file: 52 # Test both explicit and implied dep resolution works. 53 build_file.split_dep('//java:java', '//other_dir:other_dep') 54 build_file.split_dep('//java', '//other_dir:other_dep2') 55 with open(build_gn_path, 'r') as f: 56 self.assertEqual( 57 f.read(), 58 textwrap.dedent('''\ 59 android_library("java") { 60 } 61 62 android_library("target1") { 63 deps = [ 64 "//java:java", 65 "//other_dir:other_dep", 66 "//other_dir:other_dep2", 67 ] 68 } 69 70 android_library("target2") { 71 deps += [ 72 ":java", 73 "//other_dir:other_dep", 74 "//other_dir:other_dep2", 75 ] 76 } 77 78 android_library("target3") { 79 public_deps = [ 80 "//java", 81 "//other_dir:other_dep", 82 "//other_dir:other_dep2", 83 ] 84 } 85 ''')) 86 87 def test_split_dep_does_not_duplicate_deps(self): 88 with tempfile.TemporaryDirectory() as rootdir: 89 java_subdir = os.path.join(rootdir, 'java') 90 os.mkdir(java_subdir) 91 build_gn_path = os.path.join(java_subdir, 'BUILD.gn') 92 with open(build_gn_path, 'w') as f: 93 f.write( 94 textwrap.dedent('''\ 95 android_library("target") { 96 deps = [ 97 "//java", 98 "//other_dir:other_dep", 99 ] 100 } 101 ''')) 102 with json_gn_editor.BuildFile(build_gn_path, 103 rootdir) as build_file: 104 build_file.split_dep('//java:java', '//other_dir:other_dep') 105 with open(build_gn_path, 'r') as f: 106 self.assertEqual( 107 f.read(), 108 textwrap.dedent('''\ 109 android_library("target") { 110 deps = [ 111 "//java", 112 "//other_dir:other_dep", 113 ] 114 } 115 ''')) 116 117 118 if __name__ == '__main__': 119 unittest.main()