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|
import glob
import os
import pathlib
import pkg_resources
import pytest
import sys
import xdg.BaseDirectory
from PyQt5.QtWidgets import QFileDialog, QInputDialog, QMessageBox
from tofu.flow.execution import UfoExecutor
from tofu.flow.main import ApplicationWindow, get_filled_registry, GlobalExceptionHandler
from tofu.flow.scene import UfoScene
from tofu.flow.util import FlowError
from tofu.tests.flow_util import add_nodes_to_scene
@pytest.fixture(scope='function')
def app_window(qtbot, scene):
window = ApplicationWindow(scene)
qtbot.addWidget(window)
return window
class TestApplicationWindow:
def test_init(self, qtbot, app_window):
assert app_window.ufo_scene
assert app_window.executor
def test_on_save(self, monkeypatch, app_window):
def getSaveFileNameDefault(inst, header, path, fltr):
return (os.path.join(path, 'flow.flow'), True)
def getSaveFileName(inst, header, path, fltr):
return (os.path.join('foo', 'bar', 'flow.flow'), True)
# Don't actually write to disk
monkeypatch.setattr(UfoScene, "save", lambda *args: None)
# Default directory
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileNameDefault)
app_window.on_save()
directory = xdg.BaseDirectory.save_data_path('tofu', 'flows')
assert os.path.exists(directory)
assert app_window.last_dirs['scene'] == directory
# When user picks a different directory it must be remembered
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileName)
app_window.on_save()
assert app_window.last_dirs['scene'] == os.path.join('foo', 'bar')
# And used the next time
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileNameDefault)
app_window.on_save()
assert app_window.last_dirs['scene'] == os.path.join('foo', 'bar')
def test_on_open(self, monkeypatch, app_window):
def getOpenFileNameDefault(inst, header, path, fltr):
return (os.path.join(path, 'flow.flow'), True)
def getOpenFileName(inst, header, path, fltr):
return (os.path.join('foo', 'bar', 'flow.flow'), True)
# Don't actually read from disk
monkeypatch.setattr(UfoScene, "load", lambda *args: None)
# Default directory
monkeypatch.setattr(QFileDialog, "getOpenFileName", getOpenFileNameDefault)
app_window.on_open()
directory = xdg.BaseDirectory.save_data_path('tofu', 'flows')
if not os.path.exists(directory):
directory = pathlib.Path.home()
assert app_window.last_dirs['scene'] == directory
# When user picks a different directory it must be remembered
monkeypatch.setattr(QFileDialog, "getOpenFileName", getOpenFileName)
app_window.on_open()
assert app_window.last_dirs['scene'] == os.path.join('foo', 'bar')
# And used the next time
monkeypatch.setattr(QFileDialog, "getOpenFileName", getOpenFileNameDefault)
app_window.on_open()
assert app_window.last_dirs['scene'] == os.path.join('foo', 'bar')
def test_on_exception_occured(self, qtbot, monkeypatch, app_window):
def exec_(inst):
self.message_shown = True
self.message_shown = False
monkeypatch.setattr(QMessageBox, "exec_", exec_)
app_window.on_exception_occured('foo')
assert self.message_shown
def test_on_number_of_inputs_changed(self, qtbot, app_window):
app_window.on_number_of_inputs_changed(123)
assert app_window.progress_bar.maximum() == 123
def test_on_processed(self, qtbot, app_window):
app_window.on_number_of_inputs_changed(100)
app_window.on_processed(10)
assert app_window.progress_bar.value() == 11
def test_on_nodes_duplicated(self, qtbot, app_window):
node = add_nodes_to_scene(app_window.ufo_scene)[0]
node.graphics_object.setSelected(True)
app_window.ufo_scene.copy_nodes()
nodes = list(app_window.ufo_scene.nodes.values())
assert nodes[0].graphics_object.pos().y() != nodes[1].graphics_object.pos().y()
def test_on_selection_menu_about_to_show(self, qtbot, monkeypatch, app_window):
# Nothing selected
app_window.on_selection_menu_about_to_show()
assert not app_window.edit_composite_action.isEnabled()
assert not app_window.expand_composite_action.isEnabled()
assert not app_window.export_composite_action.isEnabled()
# Only non-composite nodes
nodes = add_nodes_to_scene(app_window.ufo_scene, model_names=['read', 'average', 'null'])
app_window.on_selection_menu_about_to_show()
assert not app_window.edit_composite_action.isEnabled()
assert not app_window.expand_composite_action.isEnabled()
assert not app_window.export_composite_action.isEnabled()
# One composite
monkeypatch.setattr(QInputDialog, "getText", lambda *args: ('cpm', True))
for i in range(2):
nodes[i].graphics_object.setSelected(True)
app_window.ufo_scene.create_composite()
app_window.on_selection_menu_about_to_show()
assert app_window.edit_composite_action.isEnabled()
assert app_window.expand_composite_action.isEnabled()
assert app_window.export_composite_action.isEnabled()
# More composites
monkeypatch.setattr(QInputDialog, "getText", lambda *args: ('cpm_2', True))
app_window.ufo_scene.clearSelection()
nodes[-1].graphics_object.setSelected(True)
app_window.ufo_scene.create_composite()
for node in app_window.ufo_scene.nodes.values():
node.graphics_object.setSelected(True)
app_window.on_selection_menu_about_to_show()
assert not app_window.edit_composite_action.isEnabled()
assert app_window.expand_composite_action.isEnabled()
assert not app_window.export_composite_action.isEnabled()
def test_skip_action(self, qtbot, app_window):
# No nodes selected, menu item must be disabled
app_window.on_selection_menu_about_to_show()
assert not app_window.skip_action.isEnabled()
# Add some nodes, conect them and disable one
nodes = add_nodes_to_scene(app_window.ufo_scene, model_names=['read', 'average', 'null'])
app_window.ufo_scene.create_connection(nodes[0]['output'][0], nodes[1]['input'][0])
app_window.ufo_scene.create_connection(nodes[1]['output'][0], nodes[2]['input'][0])
average = nodes[1]
average.graphics_object.setSelected(True)
app_window.on_selection_menu_about_to_show()
# Nodes selected, menu item must be enabled
assert app_window.skip_action.isEnabled()
def test_on_edit_composite(self, qtbot, scene_with_composite, app_window):
app_window.ufo_scene = scene_with_composite
node = add_nodes_to_scene(app_window.ufo_scene, model_names=['cpm'])[0]
node.graphics_object.setSelected(True)
app_window.on_edit_composite()
qtbot.addWidget(node.model._other_view)
assert node.model.is_editing
def test_on_create_composite(self, qtbot, monkeypatch, scene_with_composite, app_window):
monkeypatch.setattr(QInputDialog, "getText", lambda *args: ('cpm', True))
nodes = add_nodes_to_scene(app_window.ufo_scene, model_names=['read', 'pad'])
# Link a model to the slider
model = nodes[0].model
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', 'Read', model)
# Create a composite
for node in app_window.ufo_scene.nodes.values():
node.graphics_object.setSelected(True)
app_window.on_create_composite()
composite = list(app_window.ufo_scene.nodes.values())[0].model
slider_model, prop_name = app_window.run_slider_key
assert slider_model == composite.get_model_from_path(['Read'])
assert prop_name == 'number'
def test_on_item_focus_in(self, qtbot, app_window, scene_with_composite):
read, pad = add_nodes_to_scene(app_window.ufo_scene, model_names=['read', 'pad'])
# Simple node
model = read.model
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', model.caption, model)
slider_model, prop_name = app_window.run_slider_key
assert slider_model == model
assert prop_name == 'number'
app_window.fix_run_slider.setChecked(False)
model = pad.model
view_item = model._view._properties['y'].view_item
app_window.on_item_focus_in(view_item, 'y', model.caption, model)
slider_model, prop_name = app_window.run_slider_key
assert slider_model == model
assert prop_name == 'y'
# Focus gets another widget, but the run slider must be linked to the one focused before the
# fix option is checked
app_window.fix_run_slider.setChecked(True)
model = read.model
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', model.caption, model)
slider_model, prop_name = app_window.run_slider_key
assert slider_model == pad.model
assert prop_name == 'y'
def test_on_node_deleted(self, qtbot, monkeypatch, app_window, scene_with_composite):
app_window.ufo_scene = scene_with_composite
cpm, cpm_2, read = add_nodes_to_scene(app_window.ufo_scene,
model_names=['cpm', 'cpm', 'read'])
# Simple node
model = read.model
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', model.caption, model)
# remove in the scene doesn't seem to emit the signal, so use the window
app_window.on_node_deleted(read)
slider_model, prop_name = app_window.run_slider_key
assert slider_model is None
assert prop_name is None
# Composite node
model = cpm.model.get_model_from_path(['Read'])
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', 'cpm->Read', model)
# remove in the scene doesn't seem to emit the signal, so use the window
app_window.on_node_deleted(cpm)
slider_model, prop_name = app_window.run_slider_key
assert slider_model is None
assert prop_name is None
# Nested composite node
cpm_2.graphics_object.setSelected(True)
monkeypatch.setattr(QInputDialog, "getText", lambda *args: ('parent', True))
app_window.on_create_composite()
node = app_window.ufo_scene.selected_nodes()[0]
model = node.model.get_model_from_path(['cpm 2', 'Read'])
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', 'parent->cpm 2->Read', model)
# remove in the scene doesn't seem to emit the signal, so use the window
app_window.on_node_deleted(node)
slider_model, prop_name = app_window.run_slider_key
assert slider_model is None
assert prop_name is None
def test_on_expand_composite(self, qtbot, scene_with_composite, app_window):
app_window.ufo_scene = scene_with_composite
nodes = add_nodes_to_scene(app_window.ufo_scene, model_names=['cpm', 'cpm'])
for node in nodes:
node.graphics_object.setSelected(True)
app_window.on_expand_composite()
captions = {node.model.caption for node in app_window.ufo_scene.nodes.values()}
assert captions == {'Read 2', 'Pad 2', 'Read', 'Pad'}
# Run slider
# Create yet another composite and select a reader inside
node = add_nodes_to_scene(app_window.ufo_scene, model_names=['cpm'])[0]
model = node.model.get_model_from_path(['Read'])
view_item = model._view._properties['number'].view_item
app_window.on_item_focus_in(view_item, 'number', 'cpm->Read', model)
node.graphics_object.setSelected(True)
app_window.on_expand_composite()
# After expansion, the reader's index will be 3
slider_model, prop_name = app_window.run_slider_key
assert slider_model.caption == 'Read 3'
assert prop_name == 'number'
def test_on_import_composites(self, qtbot, monkeypatch, app_window):
tests_directory = pkg_resources.resource_filename(__name__, 'composites')
def getOpenFileNamesDefault(inst, header, path, fltr):
# Let's pretend there are files
file_names = [os.path.join(path, 'foo.cm')]
return (file_names, True)
def getOpenFileNames(inst, header, path, fltr):
file_names = sorted(glob.glob(os.path.join(tests_directory, '*.cm')))
return (file_names, True)
def exec_(inst):
self.message_shown = True
monkeypatch.setattr(QMessageBox, "exec_", exec_)
# Nothing opened, nothing happens
monkeypatch.setattr(QFileDialog, "getOpenFileNames", lambda *args: ([], True))
app_window.on_import_composites()
# Default directory
monkeypatch.setattr(QFileDialog, "getOpenFileNames", getOpenFileNamesDefault)
directory = xdg.BaseDirectory.save_data_path('tofu', 'flows', 'composites')
if not os.path.exists(directory):
directory = pathlib.Path.home()
try:
app_window.on_import_composites()
except FileNotFoundError:
# We don't care if there are files, just the last_dirs setting is important
pass
assert app_window.last_dirs['composite'] == directory
# It's possible to open more than one at a time
monkeypatch.setattr(QFileDialog, "getOpenFileNames", getOpenFileNames)
app_window.on_import_composites()
assert 'cmp' in app_window.ufo_scene.registry.registered_model_creators()
assert 'cmp_2' in app_window.ufo_scene.registry.registered_model_creators()
# When user picks a different directory it must be remembered
assert app_window.last_dirs['composite'] == tests_directory
# And used the next time
self.message_shown = False
app_window.on_import_composites()
assert app_window.last_dirs['composite'] == tests_directory
# Message about overwriting models must be shown
assert self.message_shown
def test_on_export_composite(self, qtbot, monkeypatch, scene_with_composite, app_window):
tests_directory = pkg_resources.resource_filename(__name__, 'composites')
def getSaveFileNameDefault(inst, header, path, fltr):
return (os.path.join(path, self.file_name), True)
def getSaveFileName(inst, header, path, fltr):
return (os.path.join(tests_directory, self.file_name), True)
def export_composite(inst, node, file_name):
self.final_file_name = file_name
# Nothing selected, must silently pass
app_window.on_export_composite()
# Make a composite node
app_window.ufo_scene = scene_with_composite
node = add_nodes_to_scene(app_window.ufo_scene, model_names=['cpm'])[0]
node.graphics_object.setSelected(True)
monkeypatch.setattr(ApplicationWindow, "export_composite", export_composite)
# Default directory
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileNameDefault)
self.file_name = 'composite'
directory = xdg.BaseDirectory.save_data_path('tofu', 'flows', 'composites')
app_window.on_export_composite()
assert self.final_file_name.endswith('.cm') and not self.final_file_name.endswith('.cm.cm')
assert os.path.exists(directory)
assert app_window.last_dirs['composite'] == directory
# When user picks a different directory it must be remembered
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileName)
app_window.on_export_composite()
assert self.final_file_name.endswith('.cm') and not self.final_file_name.endswith('.cm.cm')
assert app_window.last_dirs['composite'] == tests_directory
# And used the next time
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileNameDefault)
app_window.on_export_composite()
assert app_window.last_dirs['composite'] == tests_directory
# .cm must not be added if it's present in the file name
self.file_name = 'composite.cm'
app_window.on_export_composite()
assert self.final_file_name.endswith('.cm') and not self.final_file_name.endswith('.cm.cm')
def test_on_reset_view(self, qtbot, app_window):
app_window.flow_view.scale_up()
app_window.on_reset_view()
assert app_window.flow_view.transform().m11() == pytest.approx(1)
assert app_window.flow_view.transform().m22() == pytest.approx(1)
def test_on_property_links_action(self, qtbot, app_window):
qtbot.addWidget(app_window.property_links_widget)
app_window.property_links_widget.show()
assert app_window.property_links_widget.isVisible()
def test_on_run(self, qtbot, monkeypatch, app_window):
def executor_run(inst, graph):
self.ran = True
monkeypatch.setattr(UfoExecutor, "run", executor_run)
nodes = add_nodes_to_scene(app_window.ufo_scene,
model_names=['read', 'read', 'flat_field_correct', 'null'])
i_0, i_1, ffc, null = nodes
# No connections -> many graphs
with pytest.raises(FlowError):
app_window.on_run()
assert app_window.run_action.isEnabled()
app_window.ufo_scene.create_connection(i_0['output'][0], ffc['input'][0])
app_window.ufo_scene.create_connection(i_1['output'][0], ffc['input'][1])
app_window.ufo_scene.create_connection(ffc['output'][0], null['input'][0])
# One ffc input is not connected
with pytest.raises(FlowError):
app_window.on_run()
assert app_window.run_action.isEnabled()
# All connections present -> must run
i_2 = add_nodes_to_scene(app_window.ufo_scene, model_names=['read'])[0]
app_window.ufo_scene.create_connection(i_2['output'][0], ffc['input'][2])
self.ran = False
app_window.on_run()
assert self.ran
assert not app_window.run_action.isEnabled()
def test_on_save_json(self, qtbot, monkeypatch, app_window):
import gi
gi.require_version('Ufo', '1.0')
from gi.repository import Ufo
# Don't pop up file dialog
def getSaveFileName(inst, header, path, fltr):
return (os.path.join(path, 'flow.json'), True)
monkeypatch.setattr(QFileDialog, "getSaveFileName", getSaveFileName)
# Don't actually write to disk
monkeypatch.setattr(Ufo.TaskGraph, "save_to_json", lambda *args: None)
# Empty scene
with pytest.raises(FlowError):
app_window.on_save_json()
# Wrong data types
app_window.ufo_scene.clear_scene()
read, mem_out, viewer = add_nodes_to_scene(app_window.ufo_scene,
model_names=['read', 'memory_out',
'image_viewer'])
app_window.ufo_scene.create_connection(read['output'][0], mem_out['input'][0])
app_window.ufo_scene.create_connection(mem_out['output'][0], viewer['input'][0])
with pytest.raises(FlowError):
app_window.on_save_json()
# Not connected
app_window.ufo_scene.clear_scene()
read, null = add_nodes_to_scene(app_window.ufo_scene, model_names=['read', 'null'])
with pytest.raises(FlowError):
app_window.on_save_json()
# This must pass
app_window.ufo_scene.create_connection(read['output'][0], null['input'][0])
app_window.on_save_json()
def test_on_execution_finished(self, qtbot, app_window):
app_window.run_action.setEnabled(False)
app_window.progress_bar.setMaximum(100)
app_window.progress_bar.setValue(50)
app_window.on_execution_finished()
assert app_window.progress_bar.value() == -1
assert app_window.run_action.isEnabled()
def test_global_exception_handler(qtbot):
handler = GlobalExceptionHandler()
def slot(text):
handler.called_signal = True
handler.exception_occured.connect(slot)
handler.called_signal = False
try:
raise FlowError('foo')
except:
# Call the hook explicitly, sys.excinfo = ... doesn't seem to have effect
handler.excepthook(*sys.exc_info())
assert handler.called_signal
def test_get_filled_registry():
registry = get_filled_registry()
assert 'read' in registry.registered_model_creators()
|
