def test_resourceset_getresource_ecore_UML():
global_registry[Ecore.nsURI] = Ecore
rset = ResourceSet()
# UMLPrimitiveTypes Metaclasses Creation
umltypes = Ecore.EPackage('umltypes')
String = Ecore.EDataType('String', str)
Boolean = Ecore.EDataType('Boolean', bool, False)
Integer = Ecore.EDataType('Integer', int, 0)
UnlimitedNatural = Ecore.EDataType('UnlimitedNatural', int, 0)
Real = Ecore.EDataType('Real', float, 0.0)
umltypes.eClassifiers.extend(
[String, Boolean, Integer, UnlimitedNatural, Real])
rset.metamodel_registry[
'platform:/plugin/org.eclipse.uml2.types/model/Types.ecore'] = umltypes
# Register Ecore metamodel instance
resource = rset.get_resource(URI('tests/xmi/xmi-tests/Ecore.ecore'))
rset.metamodel_registry[
'platform:/plugin/org.eclipse.emf.ecore/model/Ecore.ecore'] = resource.contents[
0]
# Load the UML metamodel
resource = rset.get_resource(URI('tests/xmi/xmi-tests/UML.ecore'))
root = resource.contents[0]
assert root.getEClassifier('Class')
assert root.getEClassifier('Interface')
assert root.getEClassifier('State')
assert root.eResource is resource
def test_xmi_save_none_value(tmpdir):
f = tmpdir.mkdir('pyecore-tmp').join('default_none_value.xmi')
# Build a simple metamodel
Root = Ecore.EClass('Root')
Root.eStructuralFeatures.append(Ecore.EReference('element', Ecore.EObject))
Root.eStructuralFeatures.append(Ecore.EAttribute('name', Ecore.EString))
Root.eStructuralFeatures.append(Ecore.EAttribute('ints', Ecore.EInt,
upper=-1))
pack = Ecore.EPackage('mypack', nsURI='http://mypack/1.0',
nsPrefix='mypack_pref')
pack.eClassifiers.append(Root)
r = Root()
r.element = None
r.name = None
r.ints.extend([3, 4, 5])
rset = ResourceSet()
resource = rset.create_resource(URI(str(f)))
resource.append(r)
resource.save(options={XMIOptions.SERIALIZE_DEFAULT_VALUES: True})
with open(str(f), 'r') as f:
tree = etree.parse(f)
xmlroot = tree.getroot()
assert xmlroot[0].tag in ('name', 'element')
assert xmlroot[1].tag in ('name', 'element')
assert xmlroot[0].tag != xmlroot[1].tag
def test_xmi_save_load_EDate(tmpdir):
from datetime import datetime
f = tmpdir.mkdir('pyecore-tmp').join('default_date.xmi')
# Build a simple metamodel
Root = Ecore.EClass('Root')
Root.eStructuralFeatures.append(Ecore.EAttribute('date', Ecore.EDate))
pack = Ecore.EPackage('mypack',
nsURI='http://mypack/1.0',
nsPrefix='mypack_pref')
pack.eClassifiers.append(Root)
date = datetime.utcnow()
r = Root()
r.date = date
rset = ResourceSet()
resource = rset.create_resource(URI(str(f)))
resource.append(r)
resource.save()
rset = ResourceSet()
rset.metamodel_registry[pack.nsURI] = pack
resource = rset.get_resource(URI(str(f)))
assert resource.contents[0].date == date
def test_xmi_ecore_save_heterogeneous_metamodel(tmpdir):
f = tmpdir.mkdir('pyecore-tmp').join('heterogeneous.xmi')
# Build a simple metamodel
Root = Ecore.EClass('Root')
Root.eStructuralFeatures.append(Ecore.EReference('element', Ecore.EObject))
pack = Ecore.EPackage('mypack',
nsURI='http://mypack/1.0',
nsPrefix='mypack_pref')
pack.eClassifiers.append(Root)
rset = ResourceSet()
resource = rset.get_resource('tests/xmi/xmi-tests/My.ecore')
root = resource.contents[0]
rset.metamodel_registry[root.nsURI] = root
# We open a first model with a special metamodel
resource = rset.get_resource('tests/xmi/xmi-tests/MyRoot.xmi')
root1 = resource.contents[0]
r = Root(element=root1)
resource = rset.create_resource(URI(str(f)))
resource.append(r)
resource.save()
with open(str(f), 'r') as f:
tree = etree.parse(f)
xmlroot = tree.getroot()
assert 'mypack_pref' in xmlroot.nsmap
assert 'myprefix' in xmlroot.nsmap
def test__jsonresource_load_multiple_root(rset):
A = Ecore.EClass('A')
pack = Ecore.EPackage('pack', 'packuri', 'pack')
pack.eClassifiers.append(A)
rset.metamodel_registry[pack.nsURI] = pack
json_file = path.join('tests', 'json', 'data', 'multiple_root.json')
resource = rset.get_resource(json_file)
assert len(resource.contents) == 2
assert resource.contents[0] != resource.contents[1]
A = Ecore.EClass('A')
pack = Ecore.EPackage('pack', 'packuri', 'pack')
pack.eClassifiers.append(A)
rset.metamodel_registry[pack.nsURI] = pack
json_file = path.join('tests', 'json', 'data', 'multiple_root.json')
resource = rset.get_resource(json_file)
assert len(resource.contents) == 2
assert resource.contents[0] != resource.contents[1]
def test_xmi_multiroot_save(tmpdir):
# Define a simple model that will be split in many roots
A = Ecore.EClass('A')
A.eStructuralFeatures.append(Ecore.EAttribute('name', Ecore.EString))
pack1 = Ecore.EPackage('pack1', nsURI='http://pack1/1.0', nsPrefix='pack1')
pack1.eClassifiers.append(A)
B = Ecore.EClass('B')
B.eStructuralFeatures.append(Ecore.EAttribute('age', Ecore.EInt))
B.eStructuralFeatures.append(Ecore.EReference('to_a', A))
pack2 = Ecore.EPackage('pack2', nsURI='http://pack2/1.0', nsPrefix='pack2')
pack2.eClassifiers.append(B)
f = tmpdir.mkdir('pyecore-tmp').join('multi_root.xmi')
rset = ResourceSet()
resource = rset.create_resource(URI(str(f)))
resource.append(pack1)
resource.append(pack2)
resource.save()
with open(str(f), 'r') as f:
tree = etree.parse(f)
xmlroot = tree.getroot()
assert xmlroot.tag == '{{{0}}}XMI'.format(XMI_URL)
def test_json_save_multiple_roots(tmpdir):
A = Ecore.EClass('A')
A.eStructuralFeatures.append(Ecore.EAttribute('name', Ecore.EString))
pack = Ecore.EPackage('pack', 'packuri', 'pack')
pack.eClassifiers.append(A)
f = tmpdir.mkdir('pyecore-tmp').join('multiple.json')
resource = JsonResource(URI(str(f)))
resource.append(A(name='root1'))
resource.append(A(name='root2'))
resource.save()
dct = json.load(open(str(f)))
assert type(dct) is list
assert dct[0]['name'] == 'root1'
assert dct[1]['name'] == 'root2'
def lib():
package = Ecore.EPackage('mypackage')
package.nsURI = 'http://simplemetamodel/1.0'
package.nsPrefix = 'simplemm'
AbsA = Ecore.EClass('AbsA', abstract=True)
A = Ecore.EClass('A', superclass=(AbsA,))
SubA = Ecore.EClass('SubA', superclass=(A,))
MyRoot = Ecore.EClass('MyRoot')
MyRoot.a_container = Ecore.EReference('a_container', eType=AbsA, upper=-1,
containment=True)
MyRoot.eStructuralFeatures.append(MyRoot.a_container)
package.eClassifiers.extend([MyRoot, A, SubA, AbsA])
package.MyRoot = MyRoot
package.SubA = SubA
package.A = A
# we register the metamodel first
global_registry[package.nsURI] = package
return package
def test_deserialize_href_uuid_ref():
Root = Ecore.EClass('Root')
Root.eStructuralFeatures.append(Ecore.EReference('element', Ecore.EObject))
pack = Ecore.EPackage('mypack', nsURI='http://mypack/1.0',
nsPrefix='mypack_pref')
pack.eClassifiers.append(Root)
rset = ResourceSet()
resource = rset.get_resource('tests/xmi/xmi-tests/My.ecore')
root = resource.contents[0]
rset.metamodel_registry[root.nsURI] = root
rset.metamodel_registry[pack.nsURI] = pack
resource = rset.get_resource('tests/xmi/xmi-tests/encoded.xmi')
root1 = resource.contents[0]
resource = rset.get_resource('tests/xmi/xmi-tests/encoded2.xmi')
root2 = resource.contents[0]
assert root2.element.eClass is root1.eClass
def test_json_save_multiple_roots_roundtrip(tmpdir):
A = Ecore.EClass('A')
A.eStructuralFeatures.append(Ecore.EAttribute('name', Ecore.EString))
pack = Ecore.EPackage('pack', 'packuri', 'pack')
pack.eClassifiers.append(A)
f = tmpdir.mkdir('pyecore-tmp').join('multiple.json')
resource = JsonResource(URI(str(f)))
resource.append(A(name='root1'))
resource.append(A(name='root2'))
resource.save()
global_registry[pack.nsURI] = pack
resource = JsonResource(URI(str(f)))
resource.load()
assert len(resource.contents) == 2
assert resource.contents[0].name == 'root1'
assert resource.contents[1].name == 'root2'
del global_registry[pack.nsURI]
def test_load_multipleroot_with_refs():
rset = ResourceSet()
multi_root = path.join('tests', 'xmi', 'xmi-tests',
'multiple_with_refs.xmi')
package = Ecore.EPackage('amm', 'ammuri', 'amm')
A = Ecore.EClass('A')
A.eStructuralFeatures.append(Ecore.EAttribute('name', Ecore.EString))
A.eStructuralFeatures.append(Ecore.EReference('toa', A))
A.eStructuralFeatures.append(Ecore.EReference('contains', A,
containment=True))
package.eClassifiers.append(A)
rset.metamodel_registry[package.nsURI] = package
resource = rset.get_resource(URI(str(multi_root)))
root1, root2 = resource.contents
assert root1.contains.toa is root2
assert root1.name == 'root1'
assert root2.name == 'root2'
assert root1.contains.name == 'inner'
def test_xmi_instanceclass_(tmpdir):
testDT = Ecore.EDataType('TestDT', instanceClassName='int')
Ecore.eClass.eClassifiers.append(Ecore.EDataType.eClass) # Fix unknown why
my_ecore_schema = Ecore.EPackage('my_ecore', nsURI='http://myecore/1.0', nsPrefix='myecore')
my_ecore_schema.eClassifiers.append(testDT)
rset = ResourceSet()
rset.metamodel_registry[Ecore.nsURI] = Ecore
ecore_path = tmpdir.mkdir('pyecore-tmp').join('instanceClassName.xmi')
resource = rset.create_resource(URI(str(ecore_path)))
resource.append(my_ecore_schema)
resource.save()
rset = ResourceSet()
rset.metamodel_registry[Ecore.nsURI] = Ecore
resource = rset.get_resource(URI(str(ecore_path)))
root = resource.contents[0]
assert root.eClassifiers is not None
assert root.eClassifiers[0].instanceClassName == 'int'
assert root.eClassifiers[0].eType is int
def test__pythonic_names():
p = ecore.EPackage('MyPackage')
c1 = ecore.EClass('MyClass')
p.eClassifiers.append(c1)
a1 = ecore.EAttribute('att', ecore.EString, upper=-1)
c1.eStructuralFeatures.append(a1)
c2 = ecore.EClass('pass')
p.eClassifiers.append(c2)
a2 = ecore.EAttribute('else', ecore.EString, upper=-1)
c2.eStructuralFeatures.append(a2)
assert c2.name == 'pass'
assert a2.name == 'else'
with pythonic_names():
assert c1.name == 'MyClass'
assert a1.name == 'att'
assert c2.name == 'pass_'
assert a2.name == 'else_'
assert c2.name == 'pass'
assert a2.name == 'else'
@when(lambda self, parent: self.name)
@mapping
def createEClass(self: Ecore.EClass, parent: Ecore.EPackage) -> Ecore.EClass:
result.name = self.name + 'Copy'
result.abstract = self.abstract
for attribute in self.eAttributes:
result.eStructuralFeatures.append(copyEAttribute(attribute))
parent.eClassifiers.append(self)
@mapping
def copyEAttribute(self: Ecore.EAttribute) -> Ecore.EAttribute:
result.name = self.name + 'Copy'
result.lowerBound = self.lowerBound
result.upperBound = self.upperBound
result.eType = self.eType
root = Ecore.EPackage('test')
A1 = Ecore.EClass('A1')
root.eClassifiers.append(A1)
A1.eStructuralFeatures.append(Ecore.EAttribute('name', eType=Ecore.EString))
inPackage = root
result = createEPackage(inPackage)
rset = ResourceSet()
outresource = rset.create_resource(URI('testt.xmi'))
outresource.append(result)
outresource.save()
# we add more instances
a2 = lib.A()
root.a_container.append(a2)
# we save again
resource.save()
# we read the model
resource = JsonResource(URI(str(f)))
resource.load()
assert resource.contents != []
assert len(resource.contents[0].eContents) == 3
# Defines a small metamodel
eClass = Ecore.EPackage('pack', nsURI='http://test_pack/1.0', nsPrefix='pack')
nsURI = 'http://tst/1.0'
@Ecore.EMetaclass
class A(object):
child = Ecore.EReference(containment=True, upper=-1)
imply = Ecore.EReference()
ref_by = Ecore.EReference()
distant = Ecore.EReference(eType=Ecore.EObject)
A.child.eType = A
A.imply.eType = A
A.ref_by.eType = A
"""
Library example from the EMF wikipedia page:
https://fr.wikipedia.org/wiki/Eclipse_Modeling_Framework#/media/File:EMF_based_meta-model.png
The static metamodel had been produced by hand in this example
"""
import sys
import pyecore.ecore as Ecore
from pyecore.ecore import EObject, EAttribute, EString, EEnum, EReference, \
MetaEClass, EInteger
name = 'library'
nsPrefix = 'lib'
nsURI = 'http://emf.wikipedia.org/2011/Library'
# Do not remove
eClass = Ecore.EPackage(name=name, nsURI=nsURI, nsPrefix=nsPrefix)
BookCategory = EEnum('BookCategory',
literals=['ScienceFiction', 'Biography', 'Mistery'])
class Book(EObject, metaclass=MetaEClass):
title = EAttribute(eType=EString)
pages = EAttribute(eType=EInteger)
category = EAttribute(eType=BookCategory,
default_value=BookCategory.ScienceFiction)
def __init__(self):
super().__init__()
# we add more instances
a2 = lib.A()
root.a_container.append(a2)
# we save again
resource.save()
# we read the model
resource = XMIResource(URI(str(f)))
resource.load()
assert resource.contents != []
assert len(resource.contents[0].eContents) == 3
eClass = Ecore.EPackage(name='test', nsURI='http://test/1.0', nsPrefix='test')
@Ecore.EMetaclass
class A(object):
name = Ecore.EAttribute('name', Ecore.EString)
age = Ecore.EAttribute('age', Ecore.EInt)
names = Ecore.EAttribute(eType=Ecore.EString, upper=-1)
def test_xmi_ecore_save_load(tmpdir):
f = tmpdir.mkdir('pyecore-tmp').join('test.xmi')
resource = XMIResource(URI(str(f)))
resource.append(eClass)
resource.save()
