#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2020 Satpy developers
#
# This file is part of satpy.
#
# satpy is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# satpy is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# satpy. If not, see <http://www.gnu.org/licenses/>.
"""Unit tests for the dependency tree class and dependencies."""
import unittest
from unittest.mock import MagicMock
from satpy.node import CompositorNode
[docs]class FakeCompositor:
"""A fake compositor."""
def __init__(self, id):
"""Set up the fake compositor."""
self.id = id
[docs]class TestCompositorNodeCopy(unittest.TestCase):
"""Test case for copying a node."""
[docs] def setUp(self):
"""Set up the test case."""
self.node = CompositorNode(MagicMock())
self.node.add_required_nodes([MagicMock(), MagicMock()])
self.node.add_optional_nodes([MagicMock()])
self.node_copy = self.node.copy()
[docs] def test_node_data_is_copied(self):
"""Test that the data of the node is copied."""
assert self.node_copy.data is not self.node.data
[docs] def test_node_data_required_nodes_are_copies(self):
"""Test that the required nodes of the node data are copied."""
for req1, req2 in zip(self.node.required_nodes, self.node_copy.required_nodes):
assert req1 is not req2
[docs] def test_node_data_optional_nodes_are_copies(self):
"""Test that the optional nodes of the node data are copied."""
for req1, req2 in zip(self.node.optional_nodes, self.node_copy.optional_nodes):
assert req1 is not req2
[docs]class TestCompositorNode(unittest.TestCase):
"""Test case for the compositor node object."""
[docs] def setUp(self):
"""Set up the test case."""
self.name = 'hej'
self.fake = FakeCompositor(self.name)
self.c_node = CompositorNode(self.fake)
[docs] def test_compositor_node_init(self):
"""Test compositor node initialization."""
assert self.c_node.name == self.name
assert self.fake in self.c_node.data
[docs] def test_add_required_nodes(self):
"""Test adding required nodes."""
self.c_node.add_required_nodes([1, 2, 3])
assert self.c_node.required_nodes == [1, 2, 3]
[docs] def test_add_required_nodes_twice(self):
"""Test adding required nodes twice."""
self.c_node.add_required_nodes([1, 2])
self.c_node.add_required_nodes([3])
assert self.c_node.required_nodes == [1, 2, 3]
[docs] def test_add_optional_nodes(self):
"""Test adding optional nodes."""
self.c_node.add_optional_nodes([1, 2, 3])
assert self.c_node.optional_nodes == [1, 2, 3]
[docs] def test_add_optional_nodes_twice(self):
"""Test adding optional nodes twice."""
self.c_node.add_optional_nodes([1, 2])
self.c_node.add_optional_nodes([3])
assert self.c_node.optional_nodes == [1, 2, 3]