Implement all tests and functionality in Javascript

build_js.sh

@@ -15,12 +15,11 @@
 #   You should have received a copy of the GNU Affero General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-set +e
-
 FLAGS=-k
 
-for f in eos.js eos.js_tests; do
-	transcrypt -b -n $FLAGS $f.py
+#for f in eos.js eos.js_tests; do
+for f in eos.js_tests; do
+	transcrypt -b -n -o $FLAGS $f.py || exit 1
 	
 	# Javascript identifiers cannot contain dots
 	perl -0777 -pi -e 's/eos.js/eosjs/g' eos/__javascript__/$f.js
@@ -30,4 +29,7 @@ for f in eos.js eos.js_tests; do
 	
 	# Transcrypt by default suppresses stack traces for some reason??
 	perl -0777 -pi -e "s/__except0__.__cause__ = null;//g" eos/__javascript__/$f.js
+	
+	# Disable handling of special attributes
+	perl -0777 -pi -e "s/var __specialattrib__ = function \(attrib\) \{/var __specialattrib__ = function (attrib) { return false;/g" eos/__javascript__/$f.js
 done

eos/base/tests.py

@@ -14,7 +14,7 @@
 #   You should have received a copy of the GNU Affero General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from eos.core.tests import EosTestCase
+from eos.core.tests import *
 
 from eos.base.election import *
 from eos.base.workflow import *
@@ -23,7 +23,8 @@ from eos.core.objects import *
 class ElectionTestCase(EosTestCase):
 	@classmethod
 	def setUpClass(cls):
-		client.drop_database('test')
+		if is_python:
+			client.drop_database('test')
 	
 	def exit_task_assert(self, election, task, next_task):
 		self.assertEqual(election.workflow.get_task(task).status, WorkflowTask.Status.READY)
@@ -32,6 +33,11 @@ class ElectionTestCase(EosTestCase):
 		self.assertEqual(election.workflow.get_task(task).status, WorkflowTask.Status.EXITED)
 		self.assertEqual(election.workflow.get_task(next_task).status, WorkflowTask.Status.READY)
 	
+	def save_if_python(self, obj):
+		if is_python:
+			obj.save()
+	
+	@py_only
 	def test_run_election(self):
 		# Set up election
 		election = Election()
@@ -59,15 +65,18 @@ class ElectionTestCase(EosTestCase):
 		question = ApprovalQuestion(prompt='Chairman', choices=['John Doe', 'Andrew Citizen'])
 		election.questions.append(question)
 		
-		election.save()
+		self.save_if_python(election)
 		
 		# Check that it saved
-		self.assertEqual(db[Election._name].find_one()['value'], election.serialise())
-		self.assertEqual(EosObject.deserialise_and_unwrap(db[Election._name].find_one()).serialise(), election.serialise())
+		if is_python:
+			self.assertEqual(db[Election._name].find_one()['value'], election.serialise())
+			self.assertEqual(EosObject.deserialise_and_unwrap(db[Election._name].find_one()).serialise(), election.serialise())
+		
+		self.assertEqualJSON(EosObject.deserialise_and_unwrap(EosObject.serialise_and_wrap(election)).serialise(), election.serialise())
 		
 		# Freeze election
 		self.exit_task_assert(election, 'eos.base.workflow.TaskConfigureElection', 'eos.base.workflow.TaskOpenVoting')
-		election.save()
+		self.save_if_python(election)
 		
 		# Try to freeze it again
 		try:
@@ -87,11 +96,11 @@ class ElectionTestCase(EosTestCase):
 				ballot.encrypted_answers.append(encrypted_answer)
 			election.voters[i].ballots.append(ballot)
 		
-		election.save()
+		self.save_if_python(election)
 		
 		# Close voting
 		self.exit_task_assert(election, 'eos.base.workflow.TaskOpenVoting', 'eos.base.workflow.TaskCloseVoting')
-		election.save()
+		self.save_if_python(election)
 		
 		# Compute result
 		election.results = [None, None]
@@ -99,7 +108,7 @@ class ElectionTestCase(EosTestCase):
 			result = election.questions[i].compute_result()
 			election.results[i] = result
 		
-		election.save()
+		self.save_if_python(election)
 		
 		self.assertEqual(election.results[0].choices, [2, 1, 1])
 		self.assertEqual(election.results[1].choices, [2, 1])

eos/base/workflow.py

@@ -68,7 +68,7 @@ class WorkflowTask(EmbeddedObject):
 	
 	def exit(self):
 		if self.status is not WorkflowTask.Status.READY:
-			raise Exception()
+			raise Exception('Attempted to exit a task when not ready')
 		
 		self.status = WorkflowTask.Status.EXITED
 		self.fire_event('exit')
@@ -83,7 +83,11 @@ class Workflow(EmbeddedObject):
 		super().__init__(*args, **kwargs)
 	
 	def get_tasks(self, descriptor):
-		yield from (task for task in self.tasks if task.satisfies(descriptor))
+		#yield from (task for task in self.tasks if task.satisfies(descriptor))
+		for i in range(len(self.tasks)):
+			task = self.tasks[i]
+			if task.satisfies(descriptor):
+				yield task
 	
 	def get_task(self, descriptor):
 		try:

eos/core/bigint/js.py

@@ -93,3 +93,9 @@ class BigInt(EosObject):
 		if not isinstance(modulo, BigInt):
 			modulo = BigInt(modulo)
 		return BigInt(self.impl.modPow(other.impl, modulo.impl))
+
+# TNYI: No native pow() support
+def pow(a, b, c=None):
+	if not isinstance(a, BigInt):
+		a = BigInt(a)
+	return a.__pow__(b, c)

eos/core/objects/js.py

@@ -14,12 +14,22 @@
 #   You should have received a copy of the GNU Affero General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# Load json.js
+lib = __pragma__('js', '''
+(function() {{
+	var exports = {{}};
+	{}
+	exports.stringify = stringify_main;
+	return exports;
+}})()''', __include__('eos/core/objects/json.js'))
+
 # Fields
 # ======
 
 class Field:
 	def __init__(self, *args, **kwargs):
-		self.default = kwargs.get('default', None)
+		#console.log(kwargs.get('hashed', None))
+		self.default = kwargs['py_default'] if kwargs.hasOwnProperty('py_default') else None
 		self.hashed = kwargs.get('hashed', True)
 
 class PrimitiveField(Field):
@@ -74,7 +84,7 @@ class EmbeddedObjectListField(Field):
 class EosObjectType(type):
 	def __new__(meta, name, bases, attrs):
 		cls = type.__new__(meta, name, bases, attrs)
-		cls._name = cls.__module__ + '.' + cls.__qualname__
+		cls._name = (meta.__next_class_module__ + '.' + cls.__name__).replace('.js.', '.') #TNYI: module and qualname
 		if name != 'EosObject':
 			EosObject.objects[cls._name] = cls
 		return cls
@@ -106,15 +116,39 @@ class EosObject(metaclass=EosObjectType):
 	def deserialise_and_unwrap(value, object_type=None):
 		if object_type:
 			return object_type.deserialise(value)
+		print(value['type'])
 		return EosObject.objects[value['type']].deserialise(value['value'])
 	
-class EosList(EosObject, list):
+	# Different to Python
+	@staticmethod
+	def to_json(value):
+		return lib.stringify(value)
+	
+	@staticmethod
+	def from_json(value):
+		return JSON.parse(value)
+
+class EosList(EosObject):
+	def __init__(self, *args):
+		self.impl = list(*args)
+	
+	# Diferent to Python
+	# Lists are implemented as native JS Arrays, so no cheating here :(
+	def __len__(self):
+		return len(self.impl)
+	def __getitem__(self, idx):
+		return self.impl[idx]
+	def __setitem__(self, idx, val):
+		self.impl[idx] = val
+	def __contains__(self, val):
+		return val in self.impl
+	
 	def append(self, value):
 		if isinstance(value, EosObject):
 			value._instance = (self, len(self))
 			if not value._inited:
 				value.post_init()
-		return super().append(value)
+		return self.impl.append(value)
 
 class DocumentObjectType(EosObjectType):
 	def __new__(meta, name, bases, attrs):
@@ -131,20 +165,7 @@ class DocumentObjectType(EosObjectType):
 		cls._fields = fields
 		
 		# Make properties
-		def make_property(name, field):
-			def field_getter(self):
-				return self._field_values[name]
-			def field_setter(self, value):
-				if isinstance(value, EosObject):
-					value._instance = (self, name)
-					if not value._inited:
-						value.post_init()
-				
-				self._field_values[name] = value
-			return property(field_getter, field_setter)
-		
-		for attr, val in fields.items():
-			setattr(cls, attr, make_property(attr, val))
+		# Different to Python: This is handled at the instance level
 		
 		return cls
 
@@ -156,21 +177,41 @@ class DocumentObject(EosObject, metaclass=DocumentObjectType):
 		
 		self._field_values = {}
 		
+		# Different to Python
 		for attr, val in self._fields.items():
+			def make_property(name, field):
+				def field_getter():
+					return self._field_values[name]
+				def field_setter(value):
+					if isinstance(value, EosObject):
+						value._instance = (self, name)
+						if not value._inited:
+							value.post_init()
+					
+					self._field_values[name] = value
+				return (field_getter, field_setter)
+			prop = make_property(attr, val)
+			Object.defineProperty(self, attr, {
+				'get': prop[0],
+				'set': prop[1]
+			})
+			
 			if attr in kwargs:
 				setattr(self, attr, kwargs[attr])
 			else:
 				default = val.default
-				if callable(default):
+				if default is not None and callable(default):
 					default = default()
 				setattr(self, attr, default)
 	
+	# Different to Python
+	# TNYI: Strange things happen with py_ attributes
 	def serialise(self):
-		return {attr: val.serialise(getattr(self, attr)) for attr, val in self._fields.items()}
+		return {(attr[3:] if attr.startswith('py_') else attr): val.serialise(getattr(self, attr)) for attr, val in self._fields.items()}
 	
 	@classmethod
 	def deserialise(cls, value):
-		return cls(**{attr: val.deserialise(value[attr]) for attr, val in cls._fields.items()})
+		return cls(**{attr: val.deserialise(value[attr[3:] if attr.startswith('py_') else attr]) for attr, val in cls._fields.items()})
 
 class TopLevelObject(DocumentObject):
 	pass

eos/core/objects/json.js

@@ -0,0 +1,84 @@
+/*
+	Copyright © 2017 RunasSudo (Yingtong Li)
+	Based on json-stable-stringify by substack, licensed under the MIT License.
+	
+	Permission is hereby granted, free of charge, to any person obtaining a copy
+	of this software and associated documentation files (the "Software"), to deal
+	in the Software without restriction, including without limitation the rights
+	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+	copies of the Software, and to permit persons to whom the Software is
+	furnished to do so, subject to the following conditions:
+	
+	The above copyright notice and this permission notice shall be included in all
+	copies or substantial portions of the Software.
+	
+	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+	SOFTWARE.
+*/
+
+var isArray = Array.isArray || function (x) {
+	return {}.toString.call(x) === '[object Array]';
+};
+
+var objectKeys = Object.keys || function (obj) {
+	var has = Object.prototype.hasOwnProperty || function () { return true };
+	var keys = [];
+	for (var key in obj) {
+		if (has.call(obj, key)) keys.push(key);
+	}
+	return keys;
+};
+
+var seen = [];
+
+function stringify(parent, key, node, level) {
+	if (node && node.toJSON && typeof node.toJSON === 'function') {
+		node = node.toJSON();
+	}
+	
+	if (node === undefined) {
+		return;
+	}
+	if (typeof node !== 'object' || node === null) {
+		return JSON.stringify(node);
+	}
+	if (isArray(node)) {
+		var out = [];
+		for (var i = 0; i < node.length; i++) {
+			var item = stringify(node, i, node[i], level+1) || JSON.stringify(null);
+			out.push(item);
+		}
+		return '[' + out.join(', ') + ']';
+	} else {
+		if (seen.indexOf(node) !== -1) {
+			throw new TypeError('Converting circular structure to JSON');
+		} else {
+			seen.push(node);
+		}
+		
+		var keys = objectKeys(node).sort();
+		var out = [];
+		for (var i = 0; i < keys.length; i++) {
+			var key = keys[i];
+			var value = stringify(node, key, node[key], level+1);
+			
+			if(!value) {
+				continue;
+			}
+			
+			var keyValue = JSON.stringify(key) + ': ' + value;
+			out.push(keyValue);
+		}
+		seen.splice(seen.indexOf(node), 1);
+		return '{' + out.join(', ') + '}';
+	}
+};
+
+function stringify_main(obj) {
+	return stringify({ '': obj }, '', obj, 0);
+}

eos/core/objects/python.py

@@ -17,6 +17,7 @@
 import pymongo
 from bson.binary import UUIDLegacy
 
+import json
 import uuid
 
 # Database
@@ -94,7 +95,7 @@ class UUIDField(Field):
 class EosObjectType(type):
 	def __new__(meta, name, bases, attrs):
 		cls = type.__new__(meta, name, bases, attrs)
-		cls._name = cls.__module__ + '.' + cls.__qualname__
+		cls._name = (cls.__module__ + '.' + cls.__name__).replace('.js.', '.') #TNYI: qualname
 		if name != 'EosObject':
 			EosObject.objects[cls._name] = cls
 		return cls
@@ -128,6 +129,14 @@ class EosObject(metaclass=EosObjectType):
 			return object_type.deserialise(value)
 		return EosObject.objects[value['type']].deserialise(value['value'])
 	
+	@staticmethod
+	def to_json(value):
+		return json.dumps(value, sort_keys=True)
+	
+	@staticmethod
+	def from_json(value):
+		return json.loads(value)
+
 class EosList(EosObject, list):
 	def append(self, value):
 		if isinstance(value, EosObject):
@@ -181,7 +190,7 @@ class DocumentObject(EosObject, metaclass=DocumentObjectType):
 				setattr(self, attr, kwargs[attr])
 			else:
 				default = val.default
-				if callable(default):
+				if default is not None and callable(default):
 					default = default()
 				setattr(self, attr, default)
 	

eos/core/tests.py

@@ -18,13 +18,35 @@ from eos.core.bigint import *
 from eos.core.bitstring import *
 from eos.core.objects import *
 
+# Common library things
+# ===================
+
 class EosTestCase:
 	@classmethod
 	def setUpClass(cls):
 		pass
 	
 	def assertEqual(self, a, b):
-		self.impl.assertEqual(a, b)
+		if is_python:
+			self.impl.assertEqual(a, b)
+		else:
+			if a is None:
+				if b is not None:
+					raise Error('Assertion failed: ' + str(a) + ' != ' + str(b))
+			else:
+				if a != b:
+					raise Error('Assertion failed: ' + str(a) + ' != ' + str(b))
+	
+	def assertEqualJSON(self, a, b):
+		self.assertEqual(EosObject.to_json(a), EosObject.to_json(b))
+
+def py_only(func):
+	func._py_only = True
+def js_only(func):
+	func._js_only = True
+
+# eos.core tests
+# ==============
 
 class ObjectTestCase(EosTestCase):
 	@classmethod
@@ -49,14 +71,15 @@ class ObjectTestCase(EosTestCase):
 	def test_serialise(self):
 		person1 = self.Person(name='John', address='Address 1')
 		expect1 = {'_ver': '0.1', 'name': 'John', 'address': 'Address 1'}
-		expect1a = {'type': 'eos.core.tests.ObjectTestCase.setUpClass.<locals>.Person', 'value': expect1}
+		#expect1a = {'type': 'eos.core.tests.ObjectTestCase.setUpClass.<locals>.Person', 'value': expect1}
+		expect1a = {'type': 'eos.core.tests.Person', 'value': expect1}
 		
-		self.assertEqual(person1.serialise(), expect1)
-		self.assertEqual(EosObject.serialise_and_wrap(person1, self.Person), expect1)
-		self.assertEqual(EosObject.serialise_and_wrap(person1), expect1a)
+		self.assertEqualJSON(person1.serialise(), expect1)
+		self.assertEqualJSON(EosObject.serialise_and_wrap(person1, self.Person), expect1)
+		self.assertEqualJSON(EosObject.serialise_and_wrap(person1), expect1a)
 		
 		#self.assertEqual(EosObject.deserialise_and_unwrap(expect1a), person1)
-		self.assertEqual(EosObject.deserialise_and_unwrap(expect1a).serialise(), person1.serialise())
+		self.assertEqualJSON(EosObject.deserialise_and_unwrap(expect1a).serialise(), person1.serialise())
 
 class BigIntTestCase(EosTestCase):
 	def test_basic(self):

eos/js_tests.py

@@ -16,4 +16,5 @@
 
 import eos.js
 
-import eos.core.test_code
+import eos.core.tests
+import eos.base.tests

eos/tests.py

@@ -21,14 +21,16 @@ from eos.core.bigint import *
 from eos.core.bitstring import *
 from eos.core.objects import *
 
+import execjs
+
 import importlib
 import os
 import types
 
 test_suite = TestSuite()
 
-# All the TestCase's we dynamically generate inherit from this class
-class BaseTestCase(TestCase):
+# All the TestCase's we dynamically generate inherit from these classes
+class BasePyTestCase(TestCase):
 	@classmethod
 	def setUpClass(cls):
 		cls.impl.setUpClass()
@@ -41,6 +43,20 @@ class BaseTestCase(TestCase):
 			return func(*args)
 		setattr(cls, method, call_method)
 
+class BaseJSTestCase(TestCase):
+	@classmethod
+	def setUpClass(cls):
+		with open('eos/__javascript__/eos.js_tests.js', 'r') as f:
+			code = f.read()
+		cls.ctx = execjs.get().compile('var window={},navigator={};' + code + 'var test=window.eosjs_tests.' + cls.module + '.__all__.' + cls.name + '();test.setUpClass();')
+	
+	@classmethod
+	def add_method(cls, method):
+		def call_method(self, *args):
+			# TODO: args
+			return cls.ctx.eval('test.' + method + '()')
+		setattr(cls, method, call_method)
+
 # Test discovery
 import eos.core.tests
 for dirpath, dirnames, filenames in os.walk('eos'):
@@ -48,17 +64,30 @@ for dirpath, dirnames, filenames in os.walk('eos'):
 		# Skip this file
 		continue
 	if 'tests.py' in filenames:
-		module = importlib.import_module(dirpath.replace('/', '.') + '.tests')
+		module_name = dirpath.replace('/', '.') + '.tests'
+		module = importlib.import_module(module_name)
 		for name in dir(module):
 			obj = getattr(module, name)
 			if isinstance(obj, type):
 				if issubclass(obj, eos.core.tests.EosTestCase):
-					cls = type(name + 'Impl', (BaseTestCase,), {'impl': obj()})
-					for method in dir(cls.impl):
-						if isinstance(getattr(cls.impl, method), types.MethodType) and not hasattr(cls, method):
-							cls.add_method(method)
-							if method.startswith('test_'):
-								test_case = cls(method)
-								test_suite.addTest(test_case)
+					impl = obj()
+					cls_py = type(name + 'ImplPy', (BasePyTestCase,), {'impl': impl})
+					cls_js = type(name + 'ImplJS', (BaseJSTestCase,), {'module': module_name, 'name': name})
+					for method in dir(impl):
+						method_val = getattr(impl, method)
+						if isinstance(method_val, types.MethodType) and not hasattr(cls_py, method):
+							# Python
+							if not getattr(method_val, '_js_only', False):
+								cls_py.add_method(method)
+								if method.startswith('test_'):
+									test_case = cls_py(method)
+									test_suite.addTest(test_case)
 							
-TextTestRunner(verbosity=3).run(test_suite)
+							# Javascript
+							if not getattr(method_val, '_py_only', False):
+								if method.startswith('test_'):
+									cls_js.add_method(method)
+									test_case = cls_js(method)
+									test_suite.addTest(test_case)
+
+TextTestRunner(verbosity=3, failfast=True).run(test_suite)