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Unified Diff: lib/unittest/unittest.dart

Issue 10836241: Move unittest from lib to pkg. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 4 months ago
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Index: lib/unittest/unittest.dart
===================================================================
--- lib/unittest/unittest.dart (revision 10655)
+++ lib/unittest/unittest.dart (working copy)
@@ -1,861 +0,0 @@
-// 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.
-
-/**
- * A library for writing dart unit tests.
- *
- * To import this library, specify the relative path to
- * lib/unittest/unittest.dart.
- *
- * ##Concepts##
- *
- * * Tests: Tests are specified via the top-level function [test], they can be
- * organized together using [group].
- * * Checks: Test expectations can be specified via [expect]
- * * Matchers: [expect] assertions are written declaratively using [Matcher]s
- * * Configuration: The framework can be adapted by calling [configure] with a
- * [Configuration]. Common configurations can be found in this package
- * under: 'dom\_config.dart' (deprecated), 'html\_config.dart' (for running
- * tests compiled to Javascript in a browser), and 'vm\_config.dart' (for
- * running native Dart tests on the VM).
- *
- * ##Examples##
- *
- * A trivial test:
- *
- * #import('path-to-dart/lib/unittest/unitest.dart');
- * main() {
- * test('this is a test', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * }
- *
- * Multiple tests:
- *
- * #import('path-to-dart/lib/unittest/unitest.dart');
- * main() {
- * test('this is a test', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * test('this is another test', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * }
- *
- * Multiple tests, grouped by category:
- *
- * #import('path-to-dart/lib/unittest/unitest.dart');
- * main() {
- * group('group A', () {
- * test('test A.1', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * test('test A.2', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * });
- * group('group B', () {
- * test('this B.1', () {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * });
- * }
- *
- * Asynchronous tests: if callbacks expect between 0 and 2 positional arguments,
- * depending on the suffix of expectAsyncX(). expectAsyncX() will wrap a
- * function into a new callback and will not consider the test complete until
- * that callback is run. A count argument can be provided to specify the number
- * of times the callback should be called (the default is 1).
- *
- * #import('path-to-dart/lib/unittest/unitest.dart');
- * #import('dart:dom_deprecated');
- * main() {
- * test('calllback is executed once', () {
- * // wrap the callback of an asynchronous call with [expectAsync0] if
- * // the callback takes 0 arguments...
- * window.setTimeout(expectAsync0(() {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * }), 0);
- * });
- *
- * test('calllback is executed twice', () {
- * var callback = expectAsync0(() {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * }, count: 2); // <-- we can indicate multiplicity to [expectAsync0]
- * window.setTimeout(callback, 0);
- * window.setTimeout(callback, 0);
- * });
- * }
- *
- * expectAsyncX() will wrap the callback code in a try/catch handler to handle
- * exceptions (treated as test failures). There may be times when the number of
- * times a callback should be called is non-deterministic. In this case a dummy
- * callback can be created with expectAsync0((){}) and this can be called from
- * the real callback when it is finally complete. In this case the body of the
- * callback should be protected within a call to guardAsync(); this will ensure
- * that exceptions are properly handled.
- *
- * Note: due to some language limitations we have to use different functions
- * depending on the number of positional arguments of the callback. In the
- * future, we plan to expose a single `expectAsync` function that can be used
- * regardless of the number of positional arguments. This requires new langauge
- * features or fixes to the current spec (e.g. see
- * [Issue 2706](http://dartbug.com/2706)).
- *
- * Meanwhile, we plan to add this alternative API for callbacks of more than 2
- * arguments or that take named parameters. (this is not implemented yet,
- * but will be coming here soon).
- *
- * #import('path-to-dart/lib/unittest/unitest.dart');
- * #import('dart:dom_deprecated');
- * main() {
- * test('calllback is executed', () {
- * // indicate ahead of time that an async callback is expected.
- * var async = startAsync();
- * window.setTimeout(() {
- * // Guard the body of the callback, so errors are propagated
- * // correctly
- * guardAsync(() {
- * int x = 2 + 3;
- * expect(x, equals(5));
- * });
- * // indicate that the asynchronous callback was invoked.
- * async.complete();
- * }), 0);
- * });
- *
- */
-#library('unittest');
-
-#import('dart:isolate');
-
-#source('collection_matchers.dart');
-#source('config.dart');
-#source('core_matchers.dart');
-#source('description.dart');
-#source('expect.dart');
-#source('future_matchers.dart');
-#source('interfaces.dart');
-#source('map_matchers.dart');
-#source('matcher.dart');
-#source('mock.dart');
-#source('numeric_matchers.dart');
-#source('operator_matchers.dart');
-#source('string_matchers.dart');
-#source('test_case.dart');
-
-/** [Configuration] used by the unittest library. */
-Configuration _config = null;
-
-/**
- * Set the [Configuration] used by the unittest library. Returns any
- * previous configuration.
- */
-Configuration configure(Configuration config) {
- Configuration _oldConfig = _config;
- _config = config;
- return _oldConfig;
-}
-
-void logMessage(String message) => _config.log(message);
-
-/**
- * Description text of the current test group. If multiple groups are nested,
- * this will contain all of their text concatenated.
- */
-String _currentGroup = '';
-
-/** Tests executed in this suite. */
-List<TestCase> _tests;
-
-/** Get the list of tests. */
-get testCases() => _tests;
-
-/**
- * Callback used to run tests. Entrypoints can replace this with their own
- * if they want.
- */
-Function _testRunner;
-
-/** Setup function called before each test in a group */
-Function _testSetup;
-
-/** Teardown function called after each test in a group */
-Function _testTeardown;
-
-/** Current test being executed. */
-int _currentTest = 0;
-
-/** Whether the framework is in an initialized state. */
-bool _initialized = false;
-
-String _uncaughtErrorMessage = null;
-
-final _PASS = 'pass';
-final _FAIL = 'fail';
-final _ERROR = 'error';
-
-/** If set, then all other test cases will be ignored. */
-TestCase _soloTest;
-
-/**
- * (Deprecated) Evaluates the [function] and validates that it throws an
- * exception. If [callback] is provided, then it will be invoked with the
- * thrown exception. The callback may do any validation it wants. In addition,
- * if it returns `false`, that also indicates an expectation failure.
- */
-void expectThrow(function, [bool callback(exception)]) {
- bool threw = false;
- try {
- function();
- } catch (var e) {
- threw = true;
-
- // Also let the callback look at it.
- if (callback != null) {
- var result = callback(e);
-
- // If the callback explicitly returned false, treat that like an
- // expectation too. (If it returns null, though, don't.)
- if (result == false) {
- _fail('Exception:\n$e\ndid not match expectation.');
- }
- }
- }
-
- if (threw != true) _fail('An expected exception was not thrown.');
-}
-
-/**
- * The regexp pattern filter which constrains which tests to run
- * based on their descriptions.
- */
-
-String filter = null;
-
-/**
- * Creates a new test case with the given description and body. The
- * description will include the descriptions of any surrounding group()
- * calls.
- */
-void test(String spec, TestFunction body) {
- ensureInitialized();
-
- _tests.add(new TestCase(_tests.length + 1, _fullSpec(spec), body, 0));
-}
-
-/**
- * (Deprecated) Creates a new async test case with the given description
- * and body. The description will include the descriptions of any surrounding
- * group() calls.
- */
-// TODO(sigmund): deprecate this API
-void asyncTest(String spec, int callbacks, TestFunction body) {
- ensureInitialized();
-
- final testCase = new TestCase(
- _tests.length + 1, _fullSpec(spec), body, callbacks);
- _tests.add(testCase);
-
- if (callbacks < 1) {
- testCase.error(
- 'Async tests must wait for at least one callback ', '');
- }
-}
-
-/**
- * Creates a new test case with the given description and body. The
- * description will include the descriptions of any surrounding group()
- * calls.
- *
- * "solo_" means that this will be the only test that is run. All other tests
- * will be skipped. This is a convenience function to let you quickly isolate
- * a single test by adding "solo_" before it to temporarily disable all other
- * tests.
- */
-void solo_test(String spec, TestFunction body) {
- // TODO(rnystrom): Support multiple solos. If more than one test is solo-ed,
- // all of the solo-ed tests and none of the non-solo-ed ones should run.
- if (_soloTest != null) {
- throw new Exception('Only one test can be soloed right now.');
- }
-
- ensureInitialized();
-
- _soloTest = new TestCase(_tests.length + 1, _fullSpec(spec), body, 0);
- _tests.add(_soloTest);
-}
-
-/** Sentinel value for [_SpreadArgsHelper]. */
-class _Sentinel {
- const _Sentinel();
-}
-
-// TODO(sigmund): make a singleton const field when frog supports passing those
-// as default values to named arguments.
-final _sentinel = const _Sentinel();
-
-/** Simulates spread arguments using named arguments. */
-// TODO(sigmund): remove this class and simply use a closure with named
-// arguments (if still applicable).
-class _SpreadArgsHelper {
- Function _callback;
- int _expectedCalls;
- int _actualCalls = 0;
- int _testNum;
- TestCase _testCase;
- Function _shouldCallBack;
- Function _isDone;
-
- _init(Function callback, Function shouldCallBack, Function isDone,
- [expectedCalls = 0]) {
- ensureInitialized();
- assert(_currentTest < _tests.length);
- _callback = callback;
- _shouldCallBack = shouldCallBack;
- _isDone = isDone;
- _expectedCalls = expectedCalls;
- _testNum = _currentTest;
- _testCase = _tests[_currentTest];
- if (expectedCalls > 0) {
- _testCase.callbackFunctionsOutstanding++;
- }
- }
-
- _SpreadArgsHelper(callback, shouldCallBack, isDone) {
- _init(callback, shouldCallBack, isDone);
- }
-
- _SpreadArgsHelper.fixedCallCount(callback, expectedCalls) {
- _init(callback, _checkCallCount, _allCallsDone, expectedCalls);
- }
-
- _SpreadArgsHelper.variableCallCount(callback, isDone) {
- _init(callback, _always, isDone, 1);
- }
-
- _SpreadArgsHelper.optionalCalls(callback) {
- _init(callback, _always, () => false, 0);
- }
-
- _after() {
- if (_isDone()) {
- _handleCallbackFunctionComplete();
- }
- }
-
- _allCallsDone() => _actualCalls == _expectedCalls;
-
- _always() {
- // Always run except if the test is done.
- if (_testCase.isComplete) {
- _testCase.error(
- 'Callback called after already being marked as done ($_actualCalls).',
- '');
- return false;
- } else {
- return true;
- }
- }
-
- invoke([arg0 = _sentinel, arg1 = _sentinel, arg2 = _sentinel,
- arg3 = _sentinel, arg4 = _sentinel]) {
- return guardAsync(() {
- ++_actualCalls;
- if (!_shouldCallBack()) {
- return;
- } else if (arg0 == _sentinel) {
- return _callback();
- } else if (arg1 == _sentinel) {
- return _callback(arg0);
- } else if (arg2 == _sentinel) {
- return _callback(arg0, arg1);
- } else if (arg3 == _sentinel) {
- return _callback(arg0, arg1, arg2);
- } else if (arg4 == _sentinel) {
- return _callback(arg0, arg1, arg2, arg3);
- } else {
- _testCase.error(
- 'unittest lib does not support callbacks with more than'
- ' 4 arguments.',
- '');
- }
- },
- _after, _testNum);
- }
-
- invoke0() {
- return guardAsync(
- () {
- ++_actualCalls;
- if (_shouldCallBack()) {
- return _callback();
- }
- },
- _after, _testNum);
- }
-
- invoke1(arg1) {
- return guardAsync(
- () {
- ++_actualCalls;
- if (_shouldCallBack()) {
- return _callback(arg1);
- }
- },
- _after, _testNum);
- }
-
- invoke2(arg1, arg2) {
- return guardAsync(
- () {
- ++_actualCalls;
- if (_shouldCallBack()) {
- return _callback(arg1, arg2);
- }
- },
- _after, _testNum);
- }
-
- /** Returns false if we exceded the number of expected calls. */
- bool _checkCallCount() {
- if (_actualCalls > _expectedCalls) {
- _testCase.error('Callback called more times than expected '
- '($_actualCalls > $_expectedCalls).', '');
- return false;
- }
- return true;
- }
-}
-
-/**
- * Indicate that [callback] is expected to be called a [count] number of times
- * (by default 1). The unittest framework will wait for the callback to run the
- * specified [count] times before it continues with the following test. Using
- * [_expectAsync] will also ensure that errors that occur within [callback] are
- * tracked and reported. [callback] should take between 0 and 4 positional
- * arguments (named arguments are not supported here).
- */
-Function _expectAsync(Function callback, [int count = 1]) {
- return new _SpreadArgsHelper.fixedCallCount(callback, count).invoke;
-}
-
-/**
- * Indicate that [callback] is expected to be called a [count] number of times
- * (by default 1). The unittest framework will wait for the callback to run the
- * specified [count] times before it continues with the following test. Using
- * [expectAsync0] will also ensure that errors that occur within [callback] are
- * tracked and reported. [callback] should take 0 positional arguments (named
- * arguments are not supported).
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsync0(Function callback, [int count = 1]) {
- return new _SpreadArgsHelper.fixedCallCount(callback, count).invoke0;
-}
-
-/** Like [expectAsync0] but [callback] should take 1 positional argument. */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsync1(Function callback, [int count = 1]) {
- return new _SpreadArgsHelper.fixedCallCount(callback, count).invoke1;
-}
-
-/** Like [expectAsync0] but [callback] should take 2 positional arguments. */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsync2(Function callback, [int count = 1]) {
- return new _SpreadArgsHelper.fixedCallCount(callback, count).invoke2;
-}
-
-/**
- * Indicate that [callback] is expected to be called until [isDone] returns
- * true. The unittest framework checks [isDone] after each callback and only
- * when it returns true will it continue with the following test. Using
- * [expectAsyncUntil] will also ensure that errors that occur within
- * [callback] are tracked and reported. [callback] should take between 0 and
- * 4 positional arguments (named arguments are not supported).
- */
-Function _expectAsyncUntil(Function callback, Function isDone) {
- return new _SpreadArgsHelper.variableCallCount(callback, isDone).invoke;
-}
-
-/**
- * Indicate that [callback] is expected to be called until [isDone] returns
- * true. The unittest framework check [isDone] after each callback and only
- * when it returns true will it continue with the following test. Using
- * [expectAsyncUntil0] will also ensure that errors that occur within
- * [callback] are tracked and reported. [callback] should take 0 positional
- * arguments (named arguments are not supported).
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsyncUntil0(Function callback, Function isDone) {
- return new _SpreadArgsHelper.variableCallCount(callback, isDone).invoke0;
-}
-
-/**
- * Like [expectAsyncUntil0] but [callback] should take 1 positional argument.
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsyncUntil1(Function callback, Function isDone) {
- return new _SpreadArgsHelper.variableCallCount(callback, isDone).invoke1;
-}
-
-/**
- * Like [expectAsyncUntil0] but [callback] should take 2 positional arguments.
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function expectAsyncUntil2(Function callback, Function isDone) {
- return new _SpreadArgsHelper.variableCallCount(callback, isDone).invoke2;
-}
-
-/**
- * Wraps the [callback] in a new function and returns that function. The new
- * function will be able to handle exceptions by directing them to the correct
- * test. This is thus similar to expectAsync0. Use it to wrap any callbacks that
- * might optionally be called but may never be called during the test.
- * [callback] should take between 0 and 4 positional arguments (named arguments
- * are not supported).
- */
-Function _protectAsync(Function callback) {
- return new _SpreadArgsHelper.optionalCalls(callback).invoke;
-}
-
-/**
- * Wraps the [callback] in a new function and returns that function. The new
- * function will be able to handle exceptions by directing them to the correct
- * test. This is thus similar to expectAsync0. Use it to wrap any callbacks that
- * might optionally be called but may never be called during the test.
- * [callback] should take 0 positional arguments (named arguments are not
- * supported).
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function protectAsync0(Function callback) {
- return new _SpreadArgsHelper.optionalCalls(callback).invoke0;
-}
-
-/**
- * Like [protectAsync0] but [callback] should take 1 positional argument.
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function protectAsync1(Function callback) {
- return new _SpreadArgsHelper.optionalCalls(callback).invoke1;
-}
-
-/**
- * Like [protectAsync0] but [callback] should take 2 positional arguments.
- */
-// TODO(sigmund): deprecate this API when issue 2706 is fixed.
-Function protectAsync2(Function callback) {
- return new _SpreadArgsHelper.optionalCalls(callback).invoke2;
-}
-
-/**
- * Creates a new named group of tests. Calls to group() or test() within the
- * body of the function passed to this will inherit this group's description.
- */
-void group(String description, void body()) {
- ensureInitialized();
-
- // Concatenate the new group.
- final parentGroup = _currentGroup;
- if (_currentGroup != '') {
- // Add a space.
- _currentGroup = '$_currentGroup $description';
- } else {
- // The first group.
- _currentGroup = description;
- }
-
- // Groups can be nested, so we need to preserve the current
- // settings for test setup/teardown.
- Function parentSetup = _testSetup;
- Function parentTeardown = _testTeardown;
-
- try {
- _testSetup = null;
- _testTeardown = null;
- body();
- } catch(var e, var trace) {
- _reportTestError(e.toString(), trace == null ? '' : trace.toString());
- } finally {
- // Now that the group is over, restore the previous one.
- _currentGroup = parentGroup;
- _testSetup = parentSetup;
- _testTeardown = parentTeardown;
- }
-}
-
-/**
- * Register a [setUp] function for a test [group]. This function will
- * be called before each test in the group is run. Note that if groups
- * are nested only the most locally scoped [setUp] function will be run.
- * [setUp] and [tearDown] should be called within the [group] before any
- * calls to [test].
- */
-void setUp(Function setupTest) {
- _testSetup = setupTest;
-}
-
-/**
- * Register a [tearDown] function for a test [group]. This function will
- * be called after each test in the group is run. Note that if groups
- * are nested only the most locally scoped [tearDown] function will be run.
- * [setUp] and [tearDown] should be called within the [group] before any
- * calls to [test].
- */
-void tearDown(Function teardownTest) {
- _testTeardown = teardownTest;
-}
-
-/**
- * Called when one of the callback functions is done with all expected
- * calls.
- */
-void _handleCallbackFunctionComplete() {
- // TODO (gram): we defer this to give the nextBatch recursive
- // stack a chance to unwind. This is a temporary hack but
- // really a bunch of code here needs to be fixed. We have a
- // single array that is being iterated through by nextBatch(),
- // which is recursively invoked in the case of async tests that
- // run synchronously. Bad things can then happen.
- _defer(() {
- if (_currentTest < _tests.length) {
- final testCase = _tests[_currentTest];
- --testCase.callbackFunctionsOutstanding;
- if (testCase.callbackFunctionsOutstanding < 0) {
- // TODO(gram): Check: Can this even happen?
- testCase.error(
- 'More calls to _handleCallbackFunctionComplete() than expected.',
- '');
- } else if (testCase.callbackFunctionsOutstanding == 0) {
- if (!testCase.isComplete) {
- testCase.pass();
- }
- _nextTestCase();
- }
- }
- });
-}
-
-/** Advance to the next test case. */
-void _nextTestCase() {
- _currentTest++;
- _testRunner();
-}
-
-/**
- * Temporary hack: expose old API.
- * TODO(gram) remove this when WebKit tests are working with new framework
- */
-void callbackDone() {
- _handleCallbackFunctionComplete();
-}
-
-/**
- * Utility function that can be used to notify the test framework that an
- * error was caught outside of this library.
- */
-void _reportTestError(String msg, String trace) {
- if (_currentTest < _tests.length) {
- final testCase = _tests[_currentTest];
- testCase.error(msg, trace);
- if (testCase.callbackFunctionsOutstanding > 0) {
- _nextTestCase();
- }
- } else {
- _uncaughtErrorMessage = "$msg: $trace";
- }
-}
-
-/** Runs [callback] at the end of the event loop. */
-_defer(void callback()) {
- // Exploit isolate ports as a platform-independent mechanism to queue a
- // message at the end of the event loop.
- // TODO(sigmund): expose this functionality somewhere in our libraries.
- final port = new ReceivePort();
- port.receive((msg, reply) {
- callback();
- port.close();
- });
- port.toSendPort().send(null, null);
-}
-
-rerunTests() {
- _uncaughtErrorMessage = null;
- _initialized = true; // We don't want to reset the test array.
- runTests();
-}
-
-/** Runs all queued tests, one at a time. */
-runTests() {
- _currentTest = 0;
- _currentGroup = '';
-
- // If we are soloing a test, remove all the others.
- if (_soloTest != null) {
- _tests = _tests.filter((t) => t == _soloTest);
- }
-
- if (filter != null) {
- RegExp re = new RegExp(filter);
- _tests = _tests.filter((t) => re.hasMatch(t.description));
- }
-
- _config.onStart();
-
- _defer(() {
- _testRunner();
- });
-}
-
-/**
- * Run [tryBody] guarded in a try-catch block. If an exception is thrown, update
- * the [_currentTest] status accordingly.
- */
-guardAsync(tryBody, [finallyBody, testNum = -1]) {
- if (testNum < 0) testNum = _currentTest;
- try {
- return tryBody();
- } catch (var e, var trace) {
- _registerException(testNum, e, trace);
- } finally {
- if (finallyBody != null) finallyBody();
- }
-}
-
-/**
- * Registers that an exception was caught for the current test.
- */
-registerException(e, [trace]) {
- _registerException(_currentTest, e, trace);
-}
-
-/**
- * Registers that an exception was caught for the current test.
- */
-_registerException(testNum, e, [trace]) {
- trace = trace == null ? '' : trace.toString();
- if (_tests[testNum].result == null) {
- String message = (e is ExpectException) ? e.message : 'Caught $e';
- _tests[testNum].fail(message, trace);
- } else {
- _tests[testNum].error('Caught $e', trace);
- }
- if (testNum == _currentTest) {
- _nextTestCase();
- }
-}
-
-/**
- * Runs a batch of tests, yielding whenever an asynchronous test starts
- * running. Tests will resume executing when such asynchronous test calls
- * [done] or if it fails with an exception.
- */
-_nextBatch() {
- while (_currentTest < _tests.length) {
- final testCase = _tests[_currentTest];
- guardAsync(() {
- testCase.run();
- if (!testCase.isComplete && testCase.callbackFunctionsOutstanding == 0) {
- testCase.pass();
- }
- }, testNum:_currentTest);
-
- if (!testCase.isComplete &&
- testCase.callbackFunctionsOutstanding > 0) return;
- _currentTest++;
- }
-
- _completeTests();
-}
-
-/** Publish results on the page and notify controller. */
-_completeTests() {
- int testsPassed_ = 0;
- int testsFailed_ = 0;
- int testsErrors_ = 0;
-
- for (TestCase t in _tests) {
- switch (t.result) {
- case _PASS: testsPassed_++; break;
- case _FAIL: testsFailed_++; break;
- case _ERROR: testsErrors_++; break;
- }
- }
- _config.onDone(testsPassed_, testsFailed_, testsErrors_, _tests,
- _uncaughtErrorMessage);
- _initialized = false;
-}
-
-String _fullSpec(String spec) {
- if (spec === null) return '$_currentGroup';
- return _currentGroup != '' ? '$_currentGroup $spec' : spec;
-}
-
-void _fail(String message) {
- throw new ExpectException(message);
-}
-
-/**
- * Lazily initializes the test library if not already initialized.
- */
-ensureInitialized() {
- if (_initialized) return;
- _initialized = true;
-
- _tests = <TestCase>[];
- _testRunner = _nextBatch;
- _uncaughtErrorMessage = null;
-
- if (_config == null) {
- _config = new Configuration();
- }
- _config.onInit();
-
- if (_config.autoStart) {
- // Immediately queue the suite up. It will run after a timeout (i.e. after
- // main() has returned).
- _defer(runTests);
- }
-}
-
-/** Select a solo test by ID. */
-void setSoloTest(int id) {
- for (var i = 0; i < _tests.length; i++) {
- if (_tests[i].id == id) {
- _soloTest = _tests[i];
- break;
- }
- }
-}
-
-/** Enable/disable a test by ID. */
-void _setTestEnabledState(int testId, bool state) {
- // Try fast path first.
- if (_tests.length > testId && _tests[testId].id == testId) {
- _tests[testId].enabled = state;
- } else {
- for (var i = 0; i < _tests.length; i++) {
- if (_tests[i].id == testId) {
- _tests[i].enabled = state;
- break;
- }
- }
- }
-}
-
-/** Enable a test by ID. */
-void enableTest(int testId) => _setTestEnabledState(testId, true);
-
-/** Disable a test by ID. */
-void disableTest(int testId) => _setTestEnabledState(testId, false);
-
-/** Signature for a test function. */
-typedef void TestFunction();
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