Ben Konyi
5b19445d9c
This reverts commit cccddf3530.
Change-Id: Iabde3542d5be33ffabf50efd9226597aef876ab7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/143961
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
59 lines
1.6 KiB
Dart
59 lines
1.6 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:observatory/service_io.dart';
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import 'package:test/test.dart';
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import 'test_helper.dart';
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Future streamListen(VM vm, String streamId) async =>
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await vm.invokeRpcNoUpgrade(
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'streamListen',
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{
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'streamId': streamId,
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},
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);
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Future streamCancel(VM vm, String streamId) async =>
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await vm.invokeRpcNoUpgrade(
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'streamCancel',
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{
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'streamId': streamId,
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},
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);
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var tests = <VMTest>[
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// Check double subscription fails.
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(VM vm) async {
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await streamListen(vm, '_Echo');
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try {
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await streamListen(vm, '_Echo');
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fail('Subscribed to stream twice');
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} on ServerRpcException catch (e) {
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expect(e.message, 'Stream already subscribed');
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}
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},
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// Check double cancellation fails.
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(VM vm) async {
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await streamCancel(vm, '_Echo');
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try {
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await streamCancel(vm, '_Echo');
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fail('Double cancellation of stream successful');
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} on ServerRpcException catch (e) {
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expect(e.message, 'Stream not subscribed');
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}
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},
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// Check subscription to invalid stream fails.
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(VM vm) async {
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try {
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await streamListen(vm, 'Foo');
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fail('Subscribed to invalid stream');
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} on ServerRpcException catch (e) {
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expect(e.message, "streamListen: invalid 'streamId' parameter: Foo");
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}
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}
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];
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main(args) => runVMTests(args, tests);
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