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Dispatcher tests (tests the code in events.md)

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R=abarth@chromium.org

Review URL: https://codereview.chromium.org/936973002
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Hixie 2015-02-18 14:34:31 -08:00
parent 0c71f4552a
commit 34f90cea4b
3 changed files with 118 additions and 0 deletions
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3
engine/src/flutter/tests/TestExpectations
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@ -10,6 +10,9 @@ https://github.com/domokit/mojo/issues/14 parser/normaliser-null.sky [ Skip ]
https://github.com/domokit/mojo/issues/14 parser/utf16.sky [ Skip ]
https://github.com/domokit/mojo/issues/16 parser/normaliser-crlf.sky [ Skip ]
# This test depends on events.md being implemented
crbug.com/1 events/dispatcher.sky [ Skip ]
# These tests broke during the Dart migration
crbug.com/2 animation/basic-imperative.sky [ Skip ]
crbug.com/2 animation/basic-transition.sky [ Skip ]

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engine/src/flutter/tests/events/dispatcher-expected.txt Normal file
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@ -0,0 +1,12 @@
CONSOLE: unittest-suite-wait-for-done
CONSOLE: PASS: Dispatcher simple listen
CONSOLE: PASS: Dispatcher firstWhere
CONSOLE: PASS: Dispatcher where
CONSOLE: PASS: Dispatcher where without listener
CONSOLE: PASS: Dispatcher where with listeners removed
CONSOLE: PASS: Dispatcher double listeners
CONSOLE: PASS: Dispatcher zones
CONSOLE:
CONSOLE: All 7 tests passed.
CONSOLE: unittest-suite-success
DONE

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engine/src/flutter/tests/events/dispatcher.sky Normal file
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<script>
import "../resources/third_party/unittest/unittest.dart";
import "../resources/unit.dart";
import "dart:sky";
import 'dart:async';
void send20IntegersToDispatcherController(DispatcherController d) {
for (var index = 0; index < 20; index += 1)
d.add(index);
}
void main() {
initUnit();
group('Dispatcher', () {
test('simple listen', () {
var d = new DispatcherController();
var result = new List();
d.dispatcher.listen((v) => result.add(v));
send20IntegersToDispatcherController(d);
expect(result, orderedEquals([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]));
});
test('firstWhere', () {
var d = new DispatcherController();
var result = new List();
d.dispatcher.firstWhere((n) => n > 15).then((v) => result.add(v));
send20IntegersToDispatcherController(d);
new Timer(new Duration(), expectAsync(() => expect(result, orderedEquals([16]))));
});
test('where', () {
var d = new DispatcherController();
var result = new List();
d.dispatcher.where((n) => n % 2 == 0).until((n) => n > 10).listen((v) => result.add(v));
send20IntegersToDispatcherController(d);
expect(result, orderedEquals([0,2,4,6,8,10]));
});
test('where without listener', () {
var d = new DispatcherController();
var result = new List();
d.dispatcher.where((n) => result.add(n));
send20IntegersToDispatcherController(d);
expect(result, orderedEquals([]));
});
test('where with listeners removed', () {
var d = new DispatcherController();
var result = new List();
var w = d.dispatcher.where((n) { result.add(n); return true; });
d.add(0);
var f1 = (v) => result.add(100 + v);
w.listen(f1);
d.add(1);
var f2 = (v) => result.add(200 + v);
w.listen(f2);
d.add(2);
w.unlisten(f1);
d.add(3);
w.unlisten(f2);
d.add(4);
expect(result, orderedEquals([1, 101, 2, 102, 202, 3, 203]));
});
test('double listeners', () {
var d = new DispatcherController();
var result = new List();
d.dispatcher..listen((v) => result.add(v))
..where((n) => n < 3).listen((v) => result.add(v*100));
send20IntegersToDispatcherController(d);
expect(result, orderedEquals([0,0,1,100,2,200,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]));
});
test('zones', () {
var d = new DispatcherController();
var result = new List();
runZoned(() {
var zoneA = Zone.current;
var listener;
listener = (v) {
if (Zone.current == zoneA)
result.add(v + 0.1);
if (v >= 18)
d.dispatcher.unlisten(listener);
};
d.dispatcher.listen(listener);
});
runZoned(() {
var zoneB = Zone.current;
d.dispatcher.until((n) => n >= 10).listen((v) {
if (Zone.current == zoneB)
result.add(v + 0.2);
});
});
send20IntegersToDispatcherController(d);
expect(result, orderedEquals([0.1,0.2,1.1,1.2,2.1,2.2,3.1,3.2,4.1,4.2,5.1,5.2,6.1,6.2,7.1,7.2,8.1,8.2,9.1,9.2,10.1,11.1,12.1,13.1,14.1,15.1,16.1,17.1,18.1]));
});
});
}
</script>