1. 29 Apr, 2016 1 commit
    • Ian Hickson's avatar
      Refactor the test framework (#3622) · 91dd9699
      Ian Hickson authored
      * Refactor widget test framework
      
      Instead of:
      
      ```dart
        test("Card Collection smoke test", () {
          testWidgets((WidgetTester tester) {
      ```
      
      ...you now say:
      
      ```dart
        testWidgets("Card Collection smoke test", (WidgetTester tester) {
      ```
      
      Instead of:
      
      ```dart
        expect(tester, hasWidget(find.text('hello')));
      ```
      
      ...you now say:
      
      ```dart
        expect(find.text('hello'), findsOneWidget);
      ```
      
      Instead of the previous API (exists, widgets, widget, stateOf,
      elementOf, etc), you now have the following comprehensive API. All these
      are functions that take a Finder, except the all* properties.
      
      * `any()` - true if anything matches, c.f. `Iterable.any`
      * `allWidgets` - all the widgets in the tree
      * `widget()` - the one and only widget that matches the finder
      * `firstWidget()` - the first widget that matches the finder
      * `allElements` - all the elements in the tree
      * `element()` - the one and only element that matches the finder
      * `firstElement()` - the first element that matches the finder
      * `allStates` - all the `State`s in the tree
      * `state()` - the one and only state that matches the finder
      * `firstState()` - the first state that matches the finder
      * `allRenderObjects` - all the render objects in the tree
      * `renderObject()` - the one and only render object that matches the finder
      * `firstRenderObject()` - the first render object that matches the finder
      
      There's also `layers' which returns the list of current layers.
      
      `tap`, `fling`, getCenter, getSize, etc, take Finders, like the APIs
      above, and expect there to only be one matching widget.
      
      The finders are:
      
       * `find.text(String text)`
       * `find.widgetWithText(Type widgetType, String text)`
       * `find.byKey(Key key)`
       * `find.byType(Type type)`
       * `find.byElementType(Type type)`
       * `find.byConfig(Widget config)`
       * `find.byWidgetPredicate(WidgetPredicate predicate)`
       * `find.byElementPredicate(ElementPredicate predicate)`
      
      The matchers (for `expect`) are:
      
       * `findsNothing`
       * `findsWidgets`
       * `findsOneWidget`
       * `findsNWidgets(n)`
       * `isOnStage`
       * `isOffStage`
       * `isInCard`
       * `isNotInCard`
      
      Benchmarks now use benchmarkWidgets instead of testWidgets.
      
      Also, for those of you using mockers, `serviceMocker` now automatically
      handles the binding initialization.
      
      This patch also:
      
      * changes how tests are run so that we can more easily swap the logic
        out for a "real" mode instead of FakeAsync.
      
      * introduces CachingIterable.
      
      * changes how flutter_driver interacts with the widget tree to use the
        aforementioned new API rather than ElementTreeTester, which is gone.
      
      * removes ElementTreeTester.
      
      * changes the semantics of a test for scrollables because we couldn't
        convince ourselves that the old semantics made sense; it only worked
        before because flushing the microtasks after every event was broken.
      
      * fixes the flushing of microtasks after every event.
      
      * Reindent the tests
      
      * Fix review comments
      91dd9699
  2. 14 Apr, 2016 1 commit
  3. 12 Mar, 2016 1 commit
  4. 11 Mar, 2016 1 commit
    • Adam Barth's avatar
      AspectRatio should attempt to fit its height · 6a54e122
      Adam Barth authored
      If there's not enough height for the given aspect ratio, we now try to see if
      using the height to infer the width will fit the given constraints. The
      algorithm we use is similar to the one we use for RenderImage.
      
      Fixes #2620
      6a54e122