tools/testing/dart/browser_test.dart - sdk - Git at Google

 // 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.

 import 'utils.dart';
 import 'configuration.dart' show Compiler;

 String dart2jsHtml(String title, String scriptPath) {
   return """
 <!DOCTYPE html>
 <html>
 <head>
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="dart.unittest" content="full-stack-traces">
   <title> Test $title </title>
   <style>
      .unittest-table { font-family:monospace; border:1px; }
      .unittest-pass { background: #6b3;}
      .unittest-fail { background: #d55;}
      .unittest-error { background: #a11;}
   </style>
 </head>
 <body>
   <h1> Running $title </h1>
   <script type="text/javascript"
           src="/root_dart/tools/testing/dart/test_controller.js">
   </script>
   <script type="text/javascript" src="$scriptPath"
           onerror="scriptTagOnErrorCallback(null)"
           defer>
   </script>
 </body>
 </html>""";
 }

 /// Escape [name] to make it into a valid identifier.
 String _toJSIdentifier(String name) {
   if (name.length == 0) return r'$';

   // Escape any invalid characters
   StringBuffer buffer = null;
   for (int i = 0; i < name.length; i++) {
     var ch = name[i];
     var needsEscape = ch == r'$' || _invalidCharInIdentifier.hasMatch(ch);
     if (needsEscape && buffer == null) {
       buffer = StringBuffer(name.substring(0, i));
     }
     if (buffer != null) {
       buffer.write(needsEscape ? '\$${ch.codeUnits.join("")}' : ch);
     }
   }

   var result = buffer != null ? '$buffer' : name;
   // Ensure the identifier first character is not numeric and that the whole
   // identifier is not a keyword.
   if (result.startsWith(RegExp('[0-9]')) || _invalidVariableName(result)) {
     return '\$$result';
   }
   return result;
 }

 // Invalid characters for identifiers, which would need to be escaped.
 final _invalidCharInIdentifier = RegExp(r'[^A-Za-z_$0-9]');

 bool _invalidVariableName(String keyword, {bool strictMode = true}) {
   switch (keyword) {
     // http://www.ecma-international.org/ecma-262/6.0/#sec-future-reserved-words
     case "await":

     case "break":
     case "case":
     case "catch":
     case "class":
     case "const":
     case "continue":
     case "debugger":
     case "default":
     case "delete":
     case "do":
     case "else":
     case "enum":
     case "export":
     case "extends":
     case "finally":
     case "for":
     case "function":
     case "if":
     case "import":
     case "in":
     case "instanceof":
     case "let":
     case "new":
     case "return":
     case "super":
     case "switch":
     case "this":
     case "throw":
     case "try":
     case "typeof":
     case "var":
     case "void":
     case "while":
     case "with":
       return true;
     case "arguments":
     case "eval":
     // http://www.ecma-international.org/ecma-262/6.0/#sec-future-reserved-words
     // http://www.ecma-international.org/ecma-262/6.0/#sec-identifiers-static-semantics-early-errors
     case "implements":
     case "interface":
     case "let":
     case "package":
     case "private":
     case "protected":
     case "public":
     case "static":
     case "yield":
       return strictMode;
   }
   return false;
 }

 /// Generates the HTML template file needed to load and run a dartdevc test in
 /// the browser.
 ///
 /// The [testName] is the short name of the test without any subdirectory path
 /// or extension, like "math_test". The [testJSDir] is the relative path to the
 /// build directory where the dartdevc-generated JS file is stored.
 String dartdevcHtml(String testName, String testJSDir, Compiler compiler) {
   var testId = _toJSIdentifier(testName);
   var isKernel = compiler == Compiler.dartdevk;
   var sdkPath = isKernel ? 'kernel/amd/dart_sdk' : 'js/amd/dart_sdk';
   var pkgDir = isKernel ? 'pkg_kernel' : 'pkg';
   var packagePaths = testPackages
       .map((p) => '    "$p": "/root_build/gen/utils/dartdevc/$pkgDir/$p",')
       .join("\n");

   return """
 <!DOCTYPE html>
 <html>
 <head>
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="dart.unittest" content="full-stack-traces">
   <title>Test $testName</title>
   <style>
      .unittest-table { font-family:monospace; border:1px; }
      .unittest-pass { background: #6b3;}
      .unittest-fail { background: #d55;}
      .unittest-error { background: #a11;}
   </style>
 </head>
 <body>
 <h1>Running $testName</h1>
 <script type="text/javascript"
         src="/root_dart/tools/testing/dart/test_controller.js">
 </script>
 <script>
 var require = {
   baseUrl: "/root_dart/$testJSDir",
   paths: {
     "dart_sdk": "/root_build/gen/utils/dartdevc/$sdkPath",
 $packagePaths
   },
   waitSeconds: 30,
 };

 // Don't try to bring up the debugger on a runtime error.
 window.ddcSettings = {
   trapRuntimeErrors: false
 };
 </script>
 <script type="text/javascript"
         src="/root_dart/third_party/requirejs/require.js"></script>
 <script type="text/javascript">
 requirejs(["$testName", "dart_sdk", "async_helper"],
     function($testId, sdk, async_helper) {
   sdk.dart.ignoreWhitelistedErrors(false);
   sdk._isolate_helper.startRootIsolate(function() {}, []);
   sdk._debugger.registerDevtoolsFormatter();

   testErrorToStackTrace = function(error) {
     var stackTrace = sdk.dart.stackTrace(error).toString();

     var lines = stackTrace.split("\\n");

     // Remove the first line, which is just "Error".
     lines = lines.slice(1);

     // Strip off all of the lines for the bowels of the test runner.
     for (var i = 0; i < lines.length; i++) {
       if (lines[i].indexOf("dartMainRunner") != -1) {
         lines = lines.slice(0, i);
         break;
       }
     }

     // TODO(rnystrom): It would be nice to shorten the URLs of the remaining
     // lines too.
     return lines.join("\\n");
   };

   let pendingCallbacks = 0;
   let waitForDone = false, isDone = false;

   sdk.dart.addAsyncCallback = function() {
     pendingCallbacks++;
     if (!waitForDone) {
       // When the first callback is added, signal that test_controller.js
       // should wait until done.
       waitForDone = true;
       dartPrint('unittest-suite-wait-for-done');
     }
   };

   sdk.dart.removeAsyncCallback = function() {
     if (--pendingCallbacks <= 0) {
       // We might be done with async callbacks. Schedule a task to check.
       // Note: can't use a Promise here, because the unhandled rejection event
       // is fired as a task, rather than a microtask. `setTimeout` will create a
       // task, giving an unhandled promise reject time to fire before this does.
       setTimeout(() => {
         if (pendingCallbacks <= 0 && !isDone) {
           isDone = true;
           dartPrint('unittest-suite-done');
         }
       }, 0);
     }
   };

   dartMainRunner(function testMainWrapper() {
     // Some callbacks are not scheduled with timers/microtasks, so they don't
     // go through our async tracking (e.g. DOM events). For those tests, check
     // if the result of calling `main()` is a Future, and if so, wait for it.
     let result = $testId.$testId.main();
     if (sdk.async.Future.is(result)) {
       sdk.dart.addAsyncCallback();
       result.whenComplete(sdk.dart.removeAsyncCallback);
     }
     return result;
   });
 });
 </script>
 </body>
 </html>
 """;
 }
	// 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.

	import 'utils.dart';
	import 'configuration.dart' show Compiler;

	String dart2jsHtml(String title, String scriptPath) {
	return """
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="dart.unittest" content="full-stack-traces">
	<title> Test $title </title>
	<style>
	.unittest-table { font-family:monospace; border:1px; }
	.unittest-pass { background: #6b3;}
	.unittest-fail { background: #d55;}
	.unittest-error { background: #a11;}
	</style>
	</head>
	<body>
	<h1> Running $title </h1>
	<script type="text/javascript"
	src="/root_dart/tools/testing/dart/test_controller.js">
	</script>
	<script type="text/javascript" src="$scriptPath"
	onerror="scriptTagOnErrorCallback(null)"
	defer>
	</script>
	</body>
	</html>""";
	}

	/// Escape [name] to make it into a valid identifier.
	String _toJSIdentifier(String name) {
	if (name.length == 0) return r'$';

	// Escape any invalid characters
	StringBuffer buffer = null;
	for (int i = 0; i < name.length; i++) {
	var ch = name[i];
	var needsEscape = ch == r'$' \|\| _invalidCharInIdentifier.hasMatch(ch);
	if (needsEscape && buffer == null) {
	buffer = StringBuffer(name.substring(0, i));
	}
	if (buffer != null) {
	buffer.write(needsEscape ? '\$${ch.codeUnits.join("")}' : ch);
	}
	}

	var result = buffer != null ? '$buffer' : name;
	// Ensure the identifier first character is not numeric and that the whole
	// identifier is not a keyword.
	if (result.startsWith(RegExp('[0-9]')) \|\| _invalidVariableName(result)) {
	return '\$$result';
	}
	return result;
	}

	// Invalid characters for identifiers, which would need to be escaped.
	final _invalidCharInIdentifier = RegExp(r'[^A-Za-z_$0-9]');

	bool _invalidVariableName(String keyword, {bool strictMode = true}) {
	switch (keyword) {
	// http://www.ecma-international.org/ecma-262/6.0/#sec-future-reserved-words
	case "await":

	case "break":
	case "case":
	case "catch":
	case "class":
	case "const":
	case "continue":
	case "debugger":
	case "default":
	case "delete":
	case "do":
	case "else":
	case "enum":
	case "export":
	case "extends":
	case "finally":
	case "for":
	case "function":
	case "if":
	case "import":
	case "in":
	case "instanceof":
	case "let":
	case "new":
	case "return":
	case "super":
	case "switch":
	case "this":
	case "throw":
	case "try":
	case "typeof":
	case "var":
	case "void":
	case "while":
	case "with":
	return true;
	case "arguments":
	case "eval":
	// http://www.ecma-international.org/ecma-262/6.0/#sec-future-reserved-words
	// http://www.ecma-international.org/ecma-262/6.0/#sec-identifiers-static-semantics-early-errors
	case "implements":
	case "interface":
	case "let":
	case "package":
	case "private":
	case "protected":
	case "public":
	case "static":
	case "yield":
	return strictMode;
	}
	return false;
	}

	/// Generates the HTML template file needed to load and run a dartdevc test in
	/// the browser.
	///
	/// The [testName] is the short name of the test without any subdirectory path
	/// or extension, like "math_test". The [testJSDir] is the relative path to the
	/// build directory where the dartdevc-generated JS file is stored.
	String dartdevcHtml(String testName, String testJSDir, Compiler compiler) {
	var testId = _toJSIdentifier(testName);
	var isKernel = compiler == Compiler.dartdevk;
	var sdkPath = isKernel ? 'kernel/amd/dart_sdk' : 'js/amd/dart_sdk';
	var pkgDir = isKernel ? 'pkg_kernel' : 'pkg';
	var packagePaths = testPackages
	.map((p) => ' "$p": "/root_build/gen/utils/dartdevc/$pkgDir/$p",')
	.join("\n");

	return """
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="dart.unittest" content="full-stack-traces">
	<title>Test $testName</title>
	<style>
	.unittest-table { font-family:monospace; border:1px; }
	.unittest-pass { background: #6b3;}
	.unittest-fail { background: #d55;}
	.unittest-error { background: #a11;}
	</style>
	</head>
	<body>
	<h1>Running $testName</h1>
	<script type="text/javascript"
	src="/root_dart/tools/testing/dart/test_controller.js">
	</script>
	<script>
	var require = {
	baseUrl: "/root_dart/$testJSDir",
	paths: {
	"dart_sdk": "/root_build/gen/utils/dartdevc/$sdkPath",
	$packagePaths
	},
	waitSeconds: 30,
	};

	// Don't try to bring up the debugger on a runtime error.
	window.ddcSettings = {
	trapRuntimeErrors: false
	};
	</script>
	<script type="text/javascript"
	src="/root_dart/third_party/requirejs/require.js"></script>
	<script type="text/javascript">
	requirejs(["$testName", "dart_sdk", "async_helper"],
	function($testId, sdk, async_helper) {
	sdk.dart.ignoreWhitelistedErrors(false);
	sdk._isolate_helper.startRootIsolate(function() {}, []);
	sdk._debugger.registerDevtoolsFormatter();

	testErrorToStackTrace = function(error) {
	var stackTrace = sdk.dart.stackTrace(error).toString();

	var lines = stackTrace.split("\\n");

	// Remove the first line, which is just "Error".
	lines = lines.slice(1);

	// Strip off all of the lines for the bowels of the test runner.
	for (var i = 0; i < lines.length; i++) {
	if (lines[i].indexOf("dartMainRunner") != -1) {
	lines = lines.slice(0, i);
	break;
	}
	}

	// TODO(rnystrom): It would be nice to shorten the URLs of the remaining
	// lines too.
	return lines.join("\\n");
	};

	let pendingCallbacks = 0;
	let waitForDone = false, isDone = false;

	sdk.dart.addAsyncCallback = function() {
	pendingCallbacks++;
	if (!waitForDone) {
	// When the first callback is added, signal that test_controller.js
	// should wait until done.
	waitForDone = true;
	dartPrint('unittest-suite-wait-for-done');
	}
	};

	sdk.dart.removeAsyncCallback = function() {
	if (--pendingCallbacks <= 0) {
	// We might be done with async callbacks. Schedule a task to check.
	// Note: can't use a Promise here, because the unhandled rejection event
	// is fired as a task, rather than a microtask. `setTimeout` will create a
	// task, giving an unhandled promise reject time to fire before this does.
	setTimeout(() => {
	if (pendingCallbacks <= 0 && !isDone) {
	isDone = true;
	dartPrint('unittest-suite-done');
	}
	}, 0);
	}
	};

	dartMainRunner(function testMainWrapper() {
	// Some callbacks are not scheduled with timers/microtasks, so they don't
	// go through our async tracking (e.g. DOM events). For those tests, check
	// if the result of calling `main()` is a Future, and if so, wait for it.
	let result = $testId.$testId.main();
	if (sdk.async.Future.is(result)) {
	sdk.dart.addAsyncCallback();
	result.whenComplete(sdk.dart.removeAsyncCallback);
	}
	return result;
	});
	});
	</script>
	</body>
	</html>
	""";
	}