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Unified Diff: packages/async/test/stream_zip_test.dart

Issue 2989763002: Update charted to 0.4.8 and roll (Closed)
Patch Set: Removed Cutch from list of reviewers Created 3 years, 5 months ago
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Index: packages/async/test/stream_zip_test.dart
diff --git a/packages/async/test/stream_zip_test.dart b/packages/async/test/stream_zip_test.dart
index 35ace7d12815529052e394d699aa7c3a3117407a..71d8eeefffabe19379572b0a7de2cbcb46a38712 100644
--- a/packages/async/test/stream_zip_test.dart
+++ b/packages/async/test/stream_zip_test.dart
@@ -3,7 +3,8 @@
// BSD-style license that can be found in the LICENSE file.
import "dart:async";
-import "package:async/stream_zip.dart";
+
+import "package:async/async.dart";
import "package:test/test.dart";
/// Create an error with the same values as [base], except that it throwsA
@@ -35,49 +36,96 @@ int ctr = 0;
main() {
// Test that zipping [streams] gives the results iterated by [expectedData].
- testZip(Iterable streams, Iterable expectedData) {
+ testZip(Iterable<Stream> streams, Iterable expectedData) {
List data = [];
Stream zip = new StreamZip(streams);
- zip.listen(data.add, onDone: expectAsync(() {
+ zip.listen(data.add, onDone: expectAsync0(() {
expect(data, equals(expectedData));
}));
}
test("Basic", () {
- testZip([mks([1, 2, 3]), mks([4, 5, 6]), mks([7, 8, 9])],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3]),
+ mks([4, 5, 6]),
+ mks([7, 8, 9])
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Uneven length 1", () {
- testZip([mks([1, 2, 3, 99, 100]), mks([4, 5, 6]), mks([7, 8, 9])],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3, 99, 100]),
+ mks([4, 5, 6]),
+ mks([7, 8, 9])
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Uneven length 2", () {
- testZip([mks([1, 2, 3]), mks([4, 5, 6, 99, 100]), mks([7, 8, 9])],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3]),
+ mks([4, 5, 6, 99, 100]),
+ mks([7, 8, 9])
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Uneven length 3", () {
- testZip([mks([1, 2, 3]), mks([4, 5, 6]), mks([7, 8, 9, 99, 100])],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3]),
+ mks([4, 5, 6]),
+ mks([7, 8, 9, 99, 100])
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Uneven length 4", () {
- testZip([mks([1, 2, 3, 98]), mks([4, 5, 6]), mks([7, 8, 9, 99, 100])],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3, 98]),
+ mks([4, 5, 6]),
+ mks([7, 8, 9, 99, 100])
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Empty 1", () {
- testZip([mks([]), mks([4, 5, 6]), mks([7, 8, 9])], []);
+ testZip([
+ mks([]),
+ mks([4, 5, 6]),
+ mks([7, 8, 9])
+ ], []);
});
test("Empty 2", () {
- testZip([mks([1, 2, 3]), mks([]), mks([7, 8, 9])], []);
+ testZip([
+ mks([1, 2, 3]),
+ mks([]),
+ mks([7, 8, 9])
+ ], []);
});
test("Empty 3", () {
- testZip([mks([1, 2, 3]), mks([4, 5, 6]), mks([])], []);
+ testZip([
+ mks([1, 2, 3]),
+ mks([4, 5, 6]),
+ mks([])
+ ], []);
});
test("Empty source", () {
@@ -85,57 +133,88 @@ main() {
});
test("Single Source", () {
- testZip([mks([1, 2, 3])], [[1], [2], [3]]);
+ testZip([
+ mks([1, 2, 3])
+ ], [
+ [1],
+ [2],
+ [3]
+ ]);
});
test("Other-streams", () {
Stream st1 = mks([1, 2, 3, 4, 5, 6]).where((x) => x < 4);
- Stream st2 = new Stream.periodic(const Duration(milliseconds: 5),
- (x) => x + 4).take(3);
+ Stream st2 =
+ new Stream.periodic(const Duration(milliseconds: 5), (x) => x + 4)
+ .take(3);
StreamController c = new StreamController.broadcast();
Stream st3 = c.stream;
- testZip([st1, st2, st3],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
- c..add(7)..add(8)..add(9)..close();
+ testZip([
+ st1,
+ st2,
+ st3
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
+ c
+ ..add(7)
+ ..add(8)
+ ..add(9)
+ ..close();
});
test("Error 1", () {
- expect(new StreamZip([streamError(mks([1, 2, 3]), 2, "BAD-1"),
- mks([4, 5, 6]),
- mks([7, 8, 9])]).toList(),
- throwsA(equals("BAD-1")));
+ expect(
+ new StreamZip([
+ streamError(mks([1, 2, 3]), 2, "BAD-1"),
+ mks([4, 5, 6]),
+ mks([7, 8, 9])
+ ]).toList(),
+ throwsA(equals("BAD-1")));
});
test("Error 2", () {
- expect(new StreamZip([mks([1, 2, 3]),
- streamError(mks([4, 5, 6]), 5, "BAD-2"),
- mks([7, 8, 9])]).toList(),
- throwsA(equals("BAD-2")));
+ expect(
+ new StreamZip([
+ mks([1, 2, 3]),
+ streamError(mks([4, 5, 6]), 5, "BAD-2"),
+ mks([7, 8, 9])
+ ]).toList(),
+ throwsA(equals("BAD-2")));
});
test("Error 3", () {
- expect(new StreamZip([mks([1, 2, 3]),
- mks([4, 5, 6]),
- streamError(mks([7, 8, 9]), 8, "BAD-3")]).toList(),
- throwsA(equals("BAD-3")));
+ expect(
+ new StreamZip([
+ mks([1, 2, 3]),
+ mks([4, 5, 6]),
+ streamError(mks([7, 8, 9]), 8, "BAD-3")
+ ]).toList(),
+ throwsA(equals("BAD-3")));
});
test("Error at end", () {
- expect(new StreamZip([mks([1, 2, 3]),
- streamError(mks([4, 5, 6]), 6, "BAD-4"),
- mks([7, 8, 9])]).toList(),
- throwsA(equals("BAD-4")));
+ expect(
+ new StreamZip([
+ mks([1, 2, 3]),
+ streamError(mks([4, 5, 6]), 6, "BAD-4"),
+ mks([7, 8, 9])
+ ]).toList(),
+ throwsA(equals("BAD-4")));
});
test("Error before first end", () {
// StreamControllers' streams with no "close" called will never be done,
// so the fourth event of the first stream is guaranteed to come first.
- expect(new StreamZip(
- [streamError(mks([1, 2, 3, 4]), 4, "BAD-5"),
- (new StreamController()..add(4)..add(5)..add(6)).stream,
- (new StreamController()..add(7)..add(8)..add(9)).stream]
- ).toList(),
- throwsA(equals("BAD-5")));
+ expect(
+ new StreamZip([
+ streamError(mks([1, 2, 3, 4]), 4, "BAD-5"),
+ (new StreamController()..add(4)..add(5)..add(6)).stream,
+ (new StreamController()..add(7)..add(8)..add(9)).stream
+ ]).toList(),
+ throwsA(equals("BAD-5")));
});
test("Error after first end", () {
@@ -143,40 +222,43 @@ main() {
controller..add(7)..add(8)..add(9);
// Transformer that puts error into controller when one of the first two
// streams have sent a done event.
- StreamTransformer trans = new StreamTransformer.fromHandlers(
- handleDone: (EventSink s) {
- Timer.run(() { controller.addError("BAD-6"); });
+ StreamTransformer trans =
+ new StreamTransformer.fromHandlers(handleDone: (EventSink s) {
+ Timer.run(() {
+ controller.addError("BAD-6");
+ });
s.close();
});
- testZip([mks([1, 2, 3]).transform(trans),
- mks([4, 5, 6]).transform(trans),
- controller.stream],
- [[1, 4, 7], [2, 5, 8], [3, 6, 9]]);
+ testZip([
+ mks([1, 2, 3]).transform(trans),
+ mks([4, 5, 6]).transform(trans),
+ controller.stream
+ ], [
+ [1, 4, 7],
+ [2, 5, 8],
+ [3, 6, 9]
+ ]);
});
test("Pause/Resume", () {
int sc1p = 0;
- StreamController c1 = new StreamController(
- onPause: () {
- sc1p++;
- },
- onResume: () {
- sc1p--;
- });
+ StreamController c1 = new StreamController(onPause: () {
+ sc1p++;
+ }, onResume: () {
+ sc1p--;
+ });
int sc2p = 0;
- StreamController c2 = new StreamController(
- onPause: () {
- sc2p++;
- },
- onResume: () {
- sc2p--;
- });
+ StreamController c2 = new StreamController(onPause: () {
+ sc2p++;
+ }, onResume: () {
+ sc2p--;
+ });
- var done = expectAsync((){
+ var done = expectAsync0(() {
expect(sc1p, equals(1));
expect(sc2p, equals(0));
- }); // Call to complete test.
+ }); // Call to complete test.
Stream zip = new StreamZip([c1.stream, c2.stream]);
@@ -197,7 +279,9 @@ main() {
}).then((hasMore) {
expect(hasMore, isTrue);
expect(it.current, equals([5, 6]));
- new Future.delayed(ms25).then((_) { c2.add(8); });
+ new Future.delayed(ms25).then((_) {
+ c2.add(8);
+ });
return it.moveNext();
}).then((hasMore) {
expect(hasMore, isTrue);
@@ -209,7 +293,12 @@ main() {
done();
});
- c1..add(1)..add(3)..add(5)..add(7)..close();
+ c1
+ ..add(1)
+ ..add(3)
+ ..add(5)
+ ..add(7)
+ ..close();
c2..add(2)..add(4);
});
@@ -219,7 +308,7 @@ main() {
var sz = new StreamZip([s1, s2]);
int ctr = 0;
var sub;
- sub = sz.listen(expectAsync((v) {
+ sub = sz.listen(expectAsync1((v) {
expect(v, equals([ctr * 2, ctr * 2 + 1]));
if (ctr == 1) {
sub.pause(new Future.delayed(const Duration(milliseconds: 25)));
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