Split apart several asynchronous tests to reduce timeouts.

pkg/scheduled_test/test/descriptor/file_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:io';
+
+import 'package:pathos/path.dart' as path;
+import 'package:scheduled_test/descriptor.dart' as d;
+import 'package:scheduled_test/scheduled_test.dart';
+
+import '../metatest.dart';
+import 'utils.dart';
+
+void main() {
+  metaSetUp(() {
+    // TODO(nweiz): We used to only increase the timeout to 10s for the Windows
+    // bots, but the Linux and Mac bots have started taking upwards of 5s when
+    // running pumpEventQueue, so we're increasing the timeout across the board
+    // (see issue 9248).
+    currentSchedule.timeout = new Duration(seconds: 10);
+  });
+
+  expectTestsPass('file().create() creates a file', () {
+    test('test', () {
+      scheduleSandbox();
+
+      d.file('name.txt', 'contents').create();
+
+      schedule(() {
+        expect(new File(path.join(sandbox, 'name.txt')).readAsString(),
+            completion(equals('contents')));
+      });
+    });
+  });
+
+  expectTestsPass('file().create() overwrites an existing file', () {
+    test('test', () {
+      scheduleSandbox();
+
+      d.file('name.txt', 'contents1').create();
+
+      d.file('name.txt', 'contents2').create();
+
+      schedule(() {
+        expect(new File(path.join(sandbox, 'name.txt')).readAsString(),
+            completion(equals('contents2')));
+      });
+    });
+  });
+
+  expectTestsPass('file().validate() completes successfully if the filesystem '
+      'matches the descriptor', () {
+    test('test', () {
+      scheduleSandbox();
+
+      schedule(() {
+        return new File(path.join(sandbox, 'name.txt'))
+            .writeAsString('contents');
+      });
+
+      d.file('name.txt', 'contents').validate();
+    });
+  });
+
+  expectTestsPass("file().validate() fails if there's a file with the wrong "
+      "contents", () {
+    var errors;
+    test('test 1', () {
+      scheduleSandbox();
+
+      currentSchedule.onException.schedule(() {
+        errors = currentSchedule.errors;
+      });
+
+      schedule(() {
+        return new File(path.join(sandbox, 'name.txt'))
+            .writeAsString('wrongtents');
+      });
+
+      d.file('name.txt', 'contents').validate();
+    });
+
+    test('test 2', () {
+      expect(errors, everyElement(new isInstanceOf<ScheduleError>()));
+      expect(errors.map((e) => e.error), equals([
+        "File 'name.txt' should contain:\n"
+        "| contents\n"
+        "but actually contained:\n"
+        "X wrongtents"
+      ]), verbose: true);
+    });
+  }, passing: ['test 2']);
+
+  expectTestsPass("file().validate() fails if there's no file", () {
+    var errors;
+    test('test 1', () {
+      scheduleSandbox();
+
+      currentSchedule.onException.schedule(() {
+        errors = currentSchedule.errors;
+      });
+
+      d.file('name.txt', 'contents').validate();
+    });
+
+    test('test 2', () {
+      expect(errors, everyElement(new isInstanceOf<ScheduleError>()));
+      expect(errors.length, equals(1));
+      expect(errors.first.error,
+          matches(r"^File not found: '[^']+[\\/]name\.txt'\.$"));
+    });
+  }, passing: ['test 2']);
+
+  expectTestsPass("file().read() returns the contents of the file as a stream",
+      () {
+    test('test', () {
+      expect(byteStreamToString(d.file('name.txt', 'contents').read()),
+          completion(equals('contents')));
+    });
+  });
+
+  expectTestsPass("file().load() throws an error", () {
+    test('test', () {
+      expect(d.file('name.txt', 'contents').load('path').toList(),
+          throwsA(equals("Can't load 'path' from within 'name.txt': not a "
+                         "directory.")));
+    });
+  });
+
+  expectTestsPass("file().describe() returns the filename", () {
+    test('test', () {
+      expect(d.file('name.txt', 'contents').describe(), equals('name.txt'));
+    });
+  });
+
+  expectTestsPass('binaryFile().create() creates a file', () {
+    test('test', () {
+      scheduleSandbox();
+
+      d.binaryFile('name.bin', [1, 2, 3, 4, 5]).create();
+
+      schedule(() {
+        expect(new File(path.join(sandbox, 'name.bin')).readAsBytes(),
+            completion(equals([1, 2, 3, 4, 5])));
+      });
+    });
+  });
+
+  expectTestsPass('binaryFile().validate() completes successfully if the '
+      'filesystem matches the descriptor', () {
+    test('test', () {
+      scheduleSandbox();
+
+      schedule(() {
+        return new File(path.join(sandbox, 'name.bin'))
+            .writeAsBytes([1, 2, 3, 4, 5]);
+      });
+
+      d.binaryFile('name.bin', [1, 2, 3, 4, 5]).validate();
+    });
+  });
+
+  expectTestsPass("binaryFile().validate() fails if there's a file with the "
+      "wrong contents", () {
+    var errors;
+    test('test 1', () {
+      scheduleSandbox();
+
+      currentSchedule.onException.schedule(() {
+        errors = currentSchedule.errors;
+      });
+
+      schedule(() {
+        return new File(path.join(sandbox, 'name.bin'))
+            .writeAsBytes([2, 4, 6, 8, 10]);
+      });
+
+      d.binaryFile('name.bin', [1, 2, 3, 4, 5]).validate();
+    });
+
+    test('test 2', () {
+      expect(errors, everyElement(new isInstanceOf<ScheduleError>()));
+      expect(errors.map((e) => e.error), equals([
+        "File 'name.bin' didn't contain the expected binary data."
+      ]), verbose: true);
+    });
+  }, passing: ['test 2']);
+}