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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| import 'dart:io'; | ||
|
|
||
| import 'package:checks/checks.dart'; | ||
| import 'package:pub/src/dart.dart'; | ||
| import 'package:pub/src/exceptions.dart'; | ||
| import 'package:pub/src/log.dart'; | ||
| import 'package:test/test.dart'; | ||
|
|
||
| import 'descriptor.dart'; | ||
|
|
||
| String outputPath() => '$sandbox/output/snapshot'; | ||
| String incrementalDillPath() => '${outputPath()}.incremental'; | ||
|
|
||
| // A quite big program is needed for the caching to be an actual advantage. | ||
| FileDescriptor foo = file('foo.dart', ''' | ||
| foo() { | ||
| ${List.generate(500000, (index) => 'print("$index");').join('\n')} | ||
| } | ||
| '''); | ||
|
|
||
| FileDescriptor workingMain = file( | ||
| 'main.dart', | ||
| ''' | ||
| import 'foo.dart'; | ||
| main() async { | ||
| foo(); | ||
| } | ||
| ''', | ||
| ); | ||
|
|
||
| FileDescriptor brokenMain = file( | ||
| 'main.dart', | ||
| ''' | ||
| import 'foo.dart'; | ||
| yadda yadda | ||
| main() asyncc { | ||
| foo(); | ||
| } | ||
| ''', | ||
| ); | ||
|
|
||
| Future<Duration> timeCompilation( | ||
| String executable, { | ||
| bool fails = false, | ||
| }) async { | ||
| final s = Stopwatch()..start(); | ||
| verbosity = Verbosity.none; | ||
| Future<void> compile() async { | ||
| await precompile( | ||
| executablePath: executable, | ||
| name: 'abc', | ||
| outputPath: outputPath(), | ||
| packageConfigPath: path('app/.dart_tool/package_config.json'), | ||
| ); | ||
| } | ||
|
|
||
| if (fails) { | ||
| await check(compile()).throws<ApplicationException>(); | ||
| } else { | ||
| await compile(); | ||
| } | ||
| verbosity = Verbosity.normal; | ||
| return s.elapsed; | ||
| } | ||
|
|
||
| void main() { | ||
| test('Precompilation is much faster second time and removes old artifacts', | ||
| () async { | ||
| await dir('app', [ | ||
| workingMain, | ||
| foo, | ||
| packageConfigFile([]), | ||
| ]).create(); | ||
| final first = await timeCompilation(path('app/main.dart')); | ||
| check( | ||
| because: 'Should not leave a stray directory.', | ||
| File(incrementalDillPath()).existsSync(), | ||
| ).isFalse(); | ||
| check(File(outputPath()).existsSync()).isTrue(); | ||
| final second = await timeCompilation(path('app/main.dart')); | ||
| check(first).isGreaterThan(second * 2); | ||
| await dir('app', [ | ||
| brokenMain, | ||
| foo, | ||
| packageConfigFile([]), | ||
| ]).create(); | ||
| final afterErrors = | ||
| await timeCompilation(path('app/main.dart'), fails: true); | ||
| check(File(incrementalDillPath()).existsSync()).isTrue(); | ||
| check(File(outputPath()).existsSync()).isFalse(); | ||
| check(first).isGreaterThan(afterErrors * 2); | ||
| await dir('app', [ | ||
| workingMain, | ||
| ]).create(); | ||
| final afterFix = await timeCompilation(path('app/main.dart')); | ||
| check( | ||
| because: 'Should not leave a stray directory.', | ||
| Directory('${outputPath()}.incremental').existsSync(), | ||
| ).isFalse(); | ||
| check(File(outputPath()).existsSync()).isTrue(); | ||
| check(first).isGreaterThan(afterFix * 2); | ||
| }); | ||
| } |
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