kevmoo/source_gen_test

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Make it easy to test Generators derived from package:source_gen by annotating test files.

@ShouldGenerate(
  r'''
const TestClass1NameLength = 10;

const TestClass1NameLowerCase = 'testclass1';
''',
  configurations: ['default', 'no-prefix-required'],
)
@ShouldThrow(
  'Uh...',
  configurations: ['vague'],
  element: false,
)
@TestAnnotation()
class TestClass1 {}

Test against a golden output file if you also want to write tests on the output itself.

part 'goldens/testclass2.dart';

@ShouldGenerateFile(
  'goldens/testclass2.dart',
  partOfCurrent: true,
  configurations: ['default', 'no-prefix-required'],
)
@ShouldThrow(
  'Uh...',
  configurations: ['vague'],
  element: false,
)
@TestAnnotation()
class TestClass2 {}

Other helpers are also provided.