def test_dereference_multiple_result_node():
with pytest.raises(ValueError, match="Multiple result nodes"):
ProcessGraphVisitor.dereference_from_node_arguments({
"node1": {
"result": True
},
"node2": {
"result": True
}
})
def test_dereference_invalid_node():
graph = {
"node1": {},
"node2": {
"arguments": {
"data": {
"from_node": "node3"
}
},
"result": True
}
}
with pytest.raises(ValueError, match="not in process graph"):
ProcessGraphVisitor.dereference_from_node_arguments(graph)
def test_dereference_list_arg():
graph = {
"start": {"process_id": "constant", "arguments": {"x": "2020-02-02"}},
"end": {"process_id": "constant", "arguments": {"x": "2020-03-03"}},
"temporal": {
"process_id": "filter_temporal",
"arguments": {
"extent": [{"from_node": "start"}, {"from_node": "end"}],
},
"result": True,
},
}
result = ProcessGraphVisitor.dereference_from_node_arguments(graph)
assert result == "temporal"
assert graph == {
"start": {"process_id": "constant", "arguments": {"x": "2020-02-02"}},
"end": {"process_id": "constant", "arguments": {"x": "2020-03-03"}},
"temporal": {
"process_id": "filter_temporal",
"arguments": {
"extent": [
{"process_id": "constant", "arguments": {"x": "2020-02-02"}},
{"process_id": "constant", "arguments": {"x": "2020-03-03"}},
],
},
"result": True,
},
}
def test_dereference_cycle():
graph = {
"node1": {
"arguments": {
"data": {"from_node": "node2"},
},
"result": True
},
"node2": {
"arguments": {
"data": {"from_node": "node1"},
}
}
}
ProcessGraphVisitor.dereference_from_node_arguments(graph)
assert graph["node1"]["arguments"]["data"]["node"] is graph["node2"]
assert graph["node2"]["arguments"]["data"]["node"] is graph["node1"]
def test_visit_array_with_dereferenced_nodes():
graph = {
'arrayelement1': {
'arguments': {
'data': {
'from_argument': 'data'
},
'index': 2
},
'process_id': 'array_element',
'result': False
},
'product1': {
'process_id': 'product',
'arguments': {
'data': [{
'from_node': 'arrayelement1'
}, -1]
},
'result': True
}
}
top = ProcessGraphVisitor.dereference_from_node_arguments(graph)
dereferenced = graph[top]
assert dereferenced["arguments"]["data"][0]["arguments"]["data"][
"from_argument"] == "data"
visitor = ProcessGraphVisitor()
visitor.leaveProcess = MagicMock()
visitor.enterArgument = MagicMock()
visitor.enterArray = MagicMock()
visitor.arrayElementDone = MagicMock()
visitor.constantArrayElement = MagicMock()
visitor.accept(dereferenced)
assert visitor.leaveProcess.call_args_list == [
call(process_id='array_element', arguments=ANY),
call(process_id='product', arguments=ANY)
]
assert visitor.enterArgument.call_args_list == [
call(argument_id="data", value={'from_argument': 'data'})
]
assert visitor.enterArray.call_args_list == [call(argument_id="data")]
assert visitor.arrayElementDone.call_args_list == [
call({
"process_id": "array_element",
"arguments": {
"data": {
"from_argument": "data"
},
"index": 2
},
"result": False
})
]
assert visitor.constantArrayElement.call_args_list == [call(-1)]
def test_create_wmts_040(api040):
process_graph = api040.load_json("filter_temporal.json")
post_data = {
"type": 'WMTS',
"process_graph": process_graph,
"custom_param": 45,
"title": "My Service",
"description": "Service description"
}
resp = api040.post('/services', json=post_data).assert_status_code(201)
assert resp.headers['OpenEO-Identifier'] == 'c63d6c27-c4c2-4160-b7bd-9e32f582daec'
assert resp.headers['Location'].endswith("/services/c63d6c27-c4c2-4160-b7bd-9e32f582daec")
tiled_viewing_service = api040.collections["S2_FOOBAR"].tiled_viewing_service
assert tiled_viewing_service.call_count == 1
ProcessGraphVisitor.dereference_from_node_arguments(process_graph)
tiled_viewing_service.assert_called_with(
service_type="WMTS",
process_graph=process_graph,
post_data=post_data
)
def test_dereference_basic():
graph = {
"node1": {},
"node2": {
"arguments": {
"data1": {
"from_node": "node1"
},
"data2": {
"from_node": "node3"
}
},
"result": True
},
"node3": {
"arguments": {
"data": {
"from_node": "node4"
}
}
},
"node4": {}
}
result = ProcessGraphVisitor.dereference_from_node_arguments(graph)
assert result == "node2"
assert graph["node1"] == graph["node2"]["arguments"]["data1"]["node"]
assert graph["node3"] == graph["node2"]["arguments"]["data2"]["node"]
assert graph["node4"] == graph["node3"]["arguments"]["data"]["node"]
assert graph == {
"node1": {},
"node2": {
"arguments": {
"data1": {"from_node": "node1", "node": {}},
"data2": {"from_node": "node3", "node": {
"arguments": {
"data": {"from_node": "node4", "node": {}},
}
}},
},
"result": True
},
"node3": {
"arguments": {
"data": {"from_node": "node4", "node": {}},
}
},
"node4": {}
}
def evaluate(processGraph: dict, viewingParameters=None) -> ImageCollection:
"""
Converts the json representation of a (part of a) process graph into the corresponding Python ImageCollection.
:param processGraph:
:param viewingParameters:
:return: an ImageCollection
"""
if viewingParameters is None:
warnings.warn("Blindly assuming 0.4.0")
viewingParameters = {'version': '0.4.0'}
# TODO avoid local import
from openeo.internal.process_graph_visitor import ProcessGraphVisitor
top_level_node = ProcessGraphVisitor.dereference_from_node_arguments(
processGraph)
return convert_node(processGraph[top_level_node], viewingParameters)
def test_dereference_dict_arg():
graph = {
"west": {"process_id": "add", "arguments": {"x": 1, "y": 1}},
"east": {"process_id": "add", "arguments": {"x": 2, "y": 3}},
"bbox": {
"process_id": "filter_bbox",
"arguments": {
"extent": {
"west": {"from_node": "west"},
"east": {"from_node": "east"},
}
},
"result": True,
}
}
result = ProcessGraphVisitor.dereference_from_node_arguments(graph)
assert result == "bbox"
assert graph == {
"west": {"process_id": "add", "arguments": {"x": 1, "y": 1}},
"east": {"process_id": "add", "arguments": {"x": 2, "y": 3}},
"bbox": {
"process_id": "filter_bbox",
"arguments": {
"extent": {
"west": {
"from_node": "west",
"node": {"process_id": "add", "arguments": {"x": 1, "y": 1}},
},
"east": {
"from_node": "east",
"node": {"process_id": "add", "arguments": {"x": 2, "y": 3}},
},
}
},
"result": True,
}
}
def test_dereference_no_result_node():
with pytest.raises(ValueError, match="does not contain a result node"):
ProcessGraphVisitor.dereference_from_node_arguments({
"node1": {},
"node2": {}
})
