Delete a bunch of packages that are now on GitHub.

pkg/scheduled_test/README.md

Index: pkg/scheduled_test/README.md
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-A package for writing readable tests of asynchronous behavior.
-
-This package works by building up a queue of asynchronous tasks called a
-"schedule", then executing those tasks in order. This allows the tests to
-read like synchronous, linear code, despite executing asynchronously.
-
-The `scheduled_test` package is built on top of `unittest`, and should be
-imported instead of `unittest`. It provides its own version of [group],
-[test], and [setUp], and re-exports most other APIs from unittest.
-
-To schedule a task, call the [schedule] function. For example:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  test('writing to a file and reading it back should work', () {
-    schedule(() {
-      // The schedule won't proceed until the returned Future has
-      // completed.
-      return new File("output.txt").writeAsString("contents");
-    });
-
-    schedule(() {
-      return new File("output.txt").readAsString().then((contents) {
-        // The normal unittest matchers can still be used.
-        expect(contents, equals("contents"));
-      });
-    });
-  });
-}
-```
-
-## Setting up and tearing down
-
-The `scheduled_test` package defines its own [setUp] method that works just
-like the one in `unittest`. Tasks can be scheduled in [setUp]; they'll be
-run before the tasks scheduled by tests in that group. [currentSchedule] is
-also set in the [setUp] callback.
-
-This package doesn't have an explicit `tearDown` method. Instead, the
-[currentSchedule.onComplete] and [currentSchedule.onException] task queues
-can have tasks scheduled during [setUp]. For example:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  var tempDir;
-  setUp(() {
-    schedule(() {
-      return createTempDir().then((dir) {
-        tempDir = dir;
-      });
-    });
-
-    currentSchedule.onComplete.schedule(() => deleteDir(tempDir));
-  });
-
-  // ...
-}
-```
-
-## Passing values between tasks
-
-It's often useful to use values computed in one task in other tasks that are
-scheduled afterwards. There are two ways to do this. The most
-straightforward is just to define a local variable and assign to it. For
-example:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  test('computeValue returns 12', () {
-    var value;
-
-    schedule(() {
-      return computeValue().then((computedValue) {
-        value = computedValue;
-      });
-    });
-
-    schedule(() => expect(value, equals(12)));
-  });
-}
-```
-
-However, this doesn't scale well, especially when you start factoring out
-calls to [schedule] into library methods. For that reason, [schedule]
-returns a [Future] that will complete to the same value as the return
-value of the task. For example:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  test('computeValue returns 12', () {
-    var valueFuture = schedule(() => computeValue());
-    schedule(() {
-      valueFuture.then((value) => expect(value, equals(12)));
-    });
-  });
-}
-```
-
-## Out-of-Band Callbacks
-
-Sometimes your tests will have callbacks that don't fit into the schedule.
-It's important that errors in these callbacks are still registered, though,
-and that [Schedule.onException] and [Schedule.onComplete] still run after
-they finish. When using `unittest`, you wrap these callbacks with
-`expectAsyncN`; when using `scheduled_test`, you use [wrapAsync] or
-[wrapFuture].
-
-[wrapAsync] has two important functions. First, any errors that occur in it
-will be passed into the [Schedule] instead of causing the whole test to
-crash. They can then be handled by [Schedule.onException] and
-[Schedule.onComplete]. Second, a task queue isn't considered finished until
-all of its [wrapAsync]-wrapped functions have been called. This ensures that
-[Schedule.onException] and [Schedule.onComplete] will always run after all
-the test code in the main queue.
-
-Note that the [completes], [completion], and [throws] matchers use
-[wrapAsync] internally, so they're safe to use in conjunction with scheduled
-tests.
-
-Here's an example of a test using [wrapAsync] to catch errors thrown in the
-callback of a fictional `startServer` function:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  test('sendRequest sends a request', () {
-    startServer(wrapAsync((request) {
-      expect(request.body, equals('payload'));
-      request.response.close();
-    }));
-
-    schedule(() => sendRequest('payload'));
-  });
-}
-```
-
-[wrapFuture] works similarly to [wrapAsync], but instead of wrapping a
-single callback it wraps a whole [Future] chain. Like [wrapAsync], it
-ensures that the task queue doesn't complete until the out-of-band chain has
-finished, and that any errors in the chain are piped back into the scheduled
-test. For example:
-
-```dart
-import 'package:scheduled_test/scheduled_test.dart';
-
-void main() {
-  test('sendRequest sends a request', () {
-    wrapFuture(server.nextRequest.then((request) {
-      expect(request.body, equals('payload'));
-      expect(request.headers['content-type'], equals('text/plain'));
-    }));
-
-    schedule(() => sendRequest('payload'));
-  });
-}
-```
-
-## Timeouts
-
-`scheduled_test` has a built-in timeout of 5 seconds (configurable via
-[Schedule.timeout]). This timeout is aware of the structure of the schedule;
-this means that it will reset for each task in a queue, when moving between
-queues, or almost any other sort of interaction with [currentSchedule]. As
-long as the [Schedule] knows your test is making some sort of progress, it
-won't time out.
-
-If a single task might take a long time, you can also manually tell the
-[Schedule] that it's making progress by calling [Schedule.heartbeat], which
-will reset the timeout whenever it's called.
-
-[pub]: http://pub.dartlang.org
-[pkg]: http://pub.dartlang.org/packages/scheduled_test