ajwah_bloc_test 0.1.1+1

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A Dart package that makes testing ajwah_bloc easy.

ajwah_bloc_test #

A Dart package that makes testing ajwah_bloc easy. Built to work with ajwah_bloc and mockito.

Unit Test with ajwah_bloc_test #

[ajwahStore] must notify it's subscriber with it's current state when subscription point start listening.

Creates a new test case with the given [description]. [ajwahTest] will handle asserting that the store emits the [expect]ed states (in order) after [act] is executed.

[build] should be used for initialization and preparation and must return part of the stream under test.

[act] is an optional callback which will be invoked to dispatch action/s under test.

[skip] is an optional int which can be used to skip any number of states. [skip] defaults to 0.

[wait] is an optional Duration which can be used to wait for async operations within the store such as debounceTime.

[expect] is an optional Iterable of matchers which is expected to emit after [act] is executed.

[verify] is an optional callback which is invoked after [expect] and can be used for additional verification/assertions. [verify] is called with the emited list of state.

[tearDown] is an optional callback for clean up if you want.

[log] is an optional callback which is invoked before [expect]. [log] is called with the emited list of state.

ajwahTest(
  'CounterState emits [1] when `dispatch('inc')`',
  build: () => select('counter'),
  act: () => dispatch('inc'),
  expect: [0, 1],
);

[ajwahTest] can also be used to test the initial state of the counter state by omitting [act].

ajwahTest(
  'CounterState emits [0] when nothing is called',
  build: () => select('counter'),
  expect: [0],
);

[ajwahTest] can also be used to [skip] any number of emitted states before asserting against the expected states. [skip] defaults to 0.

ajwahTest(
  'CounterState emits [2] when dispatch `inc` action twice',
  build: () => select('counter'),
  act: () {
    dispatch('inc');
    dispatch('inc');
  },
  skip: 2,
  expect: [2],
);

[ajwahTest] can also be used to wait for async operations by optionally providing a Duration to [wait].

ajwahTest(
  'CounterState emits [1] when dispatch `inc` action',
  build: () => select('counter'),
  act: () => dispatch('inc'),
  wait: const Duration(milliseconds: 300),
  expect: [0,1],
);

[ajwahTest] can also be used to [verify] internal stream functionality.

ajwahTest(
  'CounterState emits [1] when dispatch `inc` action',
  build: () => select('counter'),
  act: () => dispatch('inc'),
  expect: [0, 1],
  verify: (_) {
    verify(repository.someMethod(any)).called(1);
  }
);

Note: when using [ajwahTest] with state classes which don't override == and hashCode you can provide an Iterable of matchers instead of explicit state instances.

ajwahTest(
 'emits [CounterModel] when dispatch `inc` action',
 build: () => select('counter'),
 act: () =>  dispatch('inc'),
 expect: [isA<CounterModel>()],
);
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A Dart package that makes testing ajwah_bloc easy.

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Uploader

jasim.uddin.khan@gmail.com

License

BSD (LICENSE)

Dependencies

meta, test

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