def test_json_resource_createSaveModifyRead(tmpdir, lib):
f = tmpdir.mkdir('pyecore-tmp').join('test.json')
resource = JsonResource(URI(str(f)))
# we create some instances
root = lib.MyRoot()
a1 = lib.A()
suba1 = lib.SubA()
root.a_container.extend([a1, suba1])
# we add the elements to the resource
resource.append(root)
resource.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
def test_json_resource_save_metamodel_uri(tmpdir, lib):
f = tmpdir.mkdir('pyecore-tmp').join('test.json')
resource = JsonResource(URI(str(f)), use_uuid=True)
resource.append(lib)
resource.save()
# we read the model
resource = JsonResource(URI(str(f)))
resource.load()
root = resource.contents[0]
assert len(root.eContents) == len(lib.eContents)
assert isinstance(root, lib.eClass.python_class)
def test_json_resource_save_static_metamodel(tmpdir):
f = tmpdir.mkdir('pyecore-tmp').join('test.json')
resource = JsonResource(URI(str(f)))
# we add the elements to the resource
resource.append(eClass)
resource.save()
# we read the model
resource = JsonResource(URI(str(f)))
resource.load()
assert resource.contents != []
assert len(resource.contents[0].eContents) == 2
root = resource.contents[0]
assert root.eContents[0].name == 'A'
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]