[英]How to use "--dart-define=" in Flutter test
I'm using flutter test with --dart-define
option as follows:我正在使用带有
--dart-define
选项的 flutter 测试,如下所示:
# code to run the test
flutter test --machine --start-paused --plain-name "" --dart-define=SOMEENVVAR=123 test/rovaf_client_test.dart
but the problem is that I can't use this environment variable as follows:但问题是我不能使用这个环境变量,如下所示:
print(String.fromEnvironment("SOMEENVVAR"));
this just prints out nothing.这只是打印什么。
Is there any way to use environment variable or pass parameters for flutter run test
command?有什么方法可以为
flutter run test
命令使用环境变量或传递参数? Thanks!谢谢!
You need a const for environment variable.您需要一个 const 作为环境变量。
print(const String.fromEnvironment("SOMEENVVAR"));
Please refer to this: https://github.com/flutter/flutter/issues/55870#issuecomment-620776138请参考: https://github.com/flutter/flutter/issues/55870#issuecomment-620776138
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