unittest step 3 and 4: remove TestFramework.dart, make test.dart use

tests/isolate/src/TestFramework.dart

-// Copyright (c) 2011, 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.
-

[Emily Fortuna, 2012/04/20 20:06:19]

whoohoo!

-#library("TestFramework");
-#import("dart:coreimpl");
-#import("dart:isolate");
-
-
-typedef void AsynchronousTestFunction(TestExpectation check);
-
-
-void runTests(List tests, [bool guarded = true]) {
-  TestRunner runner = new TestRunner(new TestSuite(tests), guarded);
-  TestResult result = new TestResult(runner);
-  runner.run(result);
-}
-
-
-class TestSuite {
-
-  TestSuite([List tests = const []]) : testCases = <TestCase>[] {
-    for (var test in tests) {
-      addTest(test);
-    }
-  }
-
-  void addTest(var test) {
-    if (test is Function) {
-      addAsynchronousTestCase(test);
-    } else {
-      test.addToTestSuite(this);
-    }
-  }
-
-  void addTestCase(TestCase test) {
-    testCases.add(test);
-  }
-
-  void addAsynchronousTestCase(AsynchronousTestFunction test) {
-    addTestCase(new AsynchronousTestCase(test));
-  }
-
-  void run(TestResult result) {
-    for (TestCase test in testCases) {
-      test.run(result);
-    }
-  }
-
-  final List<TestCase> testCases;
-
-}
-
-
-class TestCase {
-
-  TestCase();
-
-  void setUp() { }
-  abstract void performTest();
-  void tearDown() { }
-
-  void run(TestResult result) {
-    setUp();
-    result.runGuarded(this, () {
-      performTest();
-      tearDown();
-    });
-  }
-
-  void addToTestSuite(TestSuite suite) {
-    suite.addTestCase(this);
-  }
-}
-
-
-class TestResult {
-
-  TestResult(this.runner) : errors = [], failures = [];
-
-  void error(String message, TestCase testCase) {
-    errors.add([message, testCase]);
-  }
-
-  void failure(String message, TestCase testCase) {
-    failures.add([message, testCase]);
-  }
-
-  runGuarded(TestCase testCase, Function fn) {
-    if (!runner.guarded) {
-      return fn();
-    }
-    var result = null;
-    try {
-      result = fn();
-    } catch (ExpectException exception) {
-      failure(exception.toString(), testCase);
-      testCase.tearDown();
-    } catch (var exception) {
-      error(exception.toString(), testCase);
-      testCase.tearDown();
-    }
-    return result;
-  }
-
-  bool hasDefects() {
-    return !(errors.isEmpty() && failures.isEmpty());
-  }
-
-  final TestRunner runner;
-  final List errors;
-  final List failures;
-
-}
-
-
-class TestRunner {
-
-  TestRunner(this.suite, this.guarded);
-
-  void run(TestResult result) {
-    if (waitForDoneCallback !== null) {
-      waitForDoneCallback();
-    }
-    suite.run(result);
-    if (AsynchronousTestCase.running == 0) {
-      done(result);
-    }
-  }
-
-  void done(TestResult result) {
-    if (result.hasDefects()) {
-      printDefects(result);
-      Expect.fail("Test suite failed.");
-    }
-    if (doneCallback !== null) {
-      doneCallback();
-    }
-  }
-
-  void printDefects(TestResult result) {
-    printDefectList("Errors", result.errors);
-    printDefectList("Failures", result.failures);
-  }
-
-  static void printDefectList(String type, List defects) {
-    if (!defects.isEmpty()) {
-      print("$type #${defects.length}:");
-      for (List defect in defects) {
-        print(" - ${defect[0]}");
-      }
-    }
-  }
-
-  final TestSuite suite;
-  final bool guarded;
-  static Function waitForDoneCallback;
-  static Function doneCallback;
-
-}
-
-
-class TestExpectation {
-
-  TestExpectation(this.testCase, this.result);
-
-  void succeeded() {
-    Expect.equals(0, pendingCallbacks);
-    hasSucceeded = true;
-    testCase.tearDown();
-  }
-
-  void failed() {
-    testCase.tearDown();
-  }
-
-  Future completes(Future future) {
-    Completer completer = new Completer();
-    future.then(runs1((value) {
-      completer.complete(value);
-    }));
-    return completer.future;
-  }
-
-  Function runs0(Function fn) {
-    bool ran = false;  // We only check that the function is executed once.
-    pendingCallbacks++;
-    return () {
-      if (!ran) pendingCallbacks--;
-      ran = true;
-      return result.runGuarded(testCase, () => fn());
-    };
-  }
-
-  Function runs1(Function fn) {
-    bool ran = false;  // We only check that the function is executed once.
-    pendingCallbacks++;
-    return (a0) {
-      if (!ran) pendingCallbacks--;
-      ran = true;
-      return result.runGuarded(testCase, () => fn(a0));
-    };
-  }
-
-  Function runs2(Function fn) {
-    bool ran = false;  // We only check that the function is executed once.
-    pendingCallbacks++;
-    return (a0, a1) {
-      if (!ran) pendingCallbacks--;
-      ran = true;
-      return result.runGuarded(testCase, () => fn(a0, a1));
-    };
-  }
-
-  bool hasPendingCallbacks() {
-    return pendingCallbacks > 0;
-  }
-
-  final AsynchronousTestCase testCase;
-  final TestResult result;
-
-  int pendingCallbacks = 0;
-  bool hasSucceeded = false;
-
-}
-
-
-class AsynchronousTestCase extends TestCase {
-
-  AsynchronousTestCase(this.test) : super();
-
-  void run(TestResult result) {
-    setUp();
-    result.runGuarded(this, () {
-      addRunning(result);
-      TestExpectation expect = new TestExpectation(this, result);
-      test(expect);
-      if (!expect.hasPendingCallbacks()) {
-        Expect.isTrue(expect.hasSucceeded);
-        tearDown();
-      }
-    });
-  }
-
-  void tearDown() {
-    removeRunning();
-  }
-
-  void addRunning(TestResult result) {
-    if (running++ == 0) {
-      final port = new ReceivePort();
-      port.receive((message, replyTo) {
-        port.close();
-        result.runner.done(result);
-      });
-      keepalive = port;
-    }
-  }
-
-  void removeRunning() {
-    if (--running == 0) {
-      keepalive.toSendPort().send(null, null);
-      keepalive = null;
-    }
-  }
-
-  // AsynchronousTestCase.run() calls variable test, not function performTest.
-  void performTest() {
-    Expect.fail('performTest called in AsynchronousTestCase');
-  }
-
-  AsynchronousTestFunction test;
-
-  static int running = 0;
-  static ReceivePort keepalive = null;
-
-}