forked from openlp/openlp
Might help to ad the new functionality!
This commit is contained in:
Philip Ridout
parent
353b2b3067
commit
30825cb8d1
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2017 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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from enum import Enum
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import os.path
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from PyQt5 import QtCore, QtWidgets
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from openlp.core.common import UiStrings, translate
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from openlp.core.lib import build_icon
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class PathType(Enum):
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Files = 1
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Directories = 2
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class PathEdit(QtWidgets.QWidget):
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"""
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The :class:`~openlp.core.ui.lib.pathedit.PathEdit` class subclasses QWidget to create a custom widget for use when
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a file or directory needs to be selected.
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"""
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pathChanged = QtCore.pyqtSignal(str)
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def __init__(self, parent=None, show_revert=True):
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"""
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Initalise the PathEdit widget
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:param parent: The parent of the widget. This is just passed to the super method.
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:type parent: QWidget or None
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:param show_revert: Used to determin if the 'revert button' should be visible.
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:type show_revert: bool
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:ivar default_path: The default path. This is set as the path when the revert button is clicked
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:vartype default_path: str
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:ivar dialog_caption: Used to customise the caption in the QFileDialog.
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:vartype dialog_caption: str
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"""
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super().__init__(parent)
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self.default_path = ''
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self.dialog_caption = ''
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self._path_type = PathType.Files
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self._path = ''
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self.filters = '{all_files} (*.*)'.format(all_files=UiStrings().AllFiles)
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self._setup(show_revert)
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def _setup(self, show_revert):
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widget_layout = QtWidgets.QHBoxLayout()
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widget_layout.setContentsMargins(0, 0, 0, 0)
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self.line_edit = QtWidgets.QLineEdit(self)
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self.line_edit.setText(self._path)
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widget_layout.addWidget(self.line_edit)
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self.browse_button = QtWidgets.QToolButton(self)
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self.browse_button.setIcon(build_icon(':/general/general_open.png'))
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widget_layout.addWidget(self.browse_button)
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self.revert_button = QtWidgets.QToolButton(self)
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self.revert_button.setIcon(build_icon(':/general/general_revert.png'))
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self.revert_button.setVisible(show_revert)
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widget_layout.addWidget(self.revert_button)
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self.setLayout(widget_layout)
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# Signals and Slots
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self.browse_button.clicked.connect(self.on_browse_button_clicked)
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self.revert_button.clicked.connect(self.on_revert_button_clicked)
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self.line_edit.editingFinished.connect(self.on_line_edit_editing_finished)
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self.update_button_tool_tips()
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@property
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def path(self):
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"""
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A property getter method to return the selected path.
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:return: The selected path
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:rtype: str
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"""
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return self._path
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@path.setter
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def path(self, path):
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"""
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A Property setter method to set the selected path
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:param path: The path to set the widget to
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:type path: str
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"""
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self._path = path
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self.line_edit.setText(path)
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self.line_edit.setToolTip(path)
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@property
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def path_type(self):
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"""
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A property getter method to return the path_type. Path type allows you to sepecify if the user is restricted to
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selecting a file or directory.
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:return: The type selected
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:rtype: Enum of PathEdit
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"""
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return self._path_type
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@path_type.setter
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def path_type(self, path_type):
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"""
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A Property setter method to set the path type
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:param path: The type of path to select
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:type path: Enum of PathEdit
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"""
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self._path_type = path_type
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self.update_button_tool_tips()
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def update_button_tool_tips(self):
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"""
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Called to update the tooltips on the buttons. This is changing path types, and when the widget is initalised
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:return: None
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"""
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if self._path_type == PathType.Directories:
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self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for directory.'))
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self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default directory.'))
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else:
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self.browse_button.setToolTip(translate('OpenLP.PathEdit', 'Browse for file.'))
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self.revert_button.setToolTip(translate('OpenLP.PathEdit', 'Revert to default file.'))
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def on_browse_button_clicked(self):
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"""
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A handler to handle a click on the browse button.
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Show the QFileDialog and process the input from the user
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:return: None
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"""
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caption = self.dialog_caption
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path = ''
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if self._path_type == PathType.Directories:
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if not caption:
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caption = translate('OpenLP.PathEdit', 'Select Directory')
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path = QtWidgets.QFileDialog.getExistingDirectory(self, caption,
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self._path, QtWidgets.QFileDialog.ShowDirsOnly)
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elif self._path_type == PathType.Files:
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if not caption:
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caption = self.dialog_caption = translate('OpenLP.PathEdit', 'Select File')
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path, filter_used = QtWidgets.QFileDialog.getOpenFileName(self, caption, self._path, self.filters)
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if path:
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path = os.path.normpath(path)
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self.on_new_path(path)
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def on_revert_button_clicked(self):
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"""
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A handler to handle a click on the revert button.
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Set the new path to the value of the default_path instance variable.
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:return: None
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"""
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self.on_new_path(self.default_path)
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def on_line_edit_editing_finished(self):
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"""
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A handler to handle when the line edit has finished being edited.
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:return: None
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"""
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self.on_new_path(self.line_edit.text())
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def on_new_path(self, path):
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"""
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A method called to validate and set a new path.
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Emits the pathChanged Signal
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:param path: The new path
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:type path: str
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:return: None
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"""
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if self._path != path:
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self.path = path
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self.pathChanged.emit(path)
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@ -0,0 +1,312 @@
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2017 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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This module contains tests for the openlp.core.ui.lib.pathedit module
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"""
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from unittest import TestCase
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from PyQt5 import QtWidgets
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from openlp.core.ui.lib import PathEdit, PathType
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from unittest.mock import MagicMock, PropertyMock, patch
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class TestPathEdit(TestCase):
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"""
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Test the :class:`~openlp.core.lib.pathedit.PathEdit` class
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"""
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def setUp(self):
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with patch('openlp.core.ui.lib.pathedit.PathEdit._setup'):
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self.widget = PathEdit()
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def test_path_getter(self):
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"""
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Test the `path` property getter.
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"""
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# GIVEN: An instance of PathEdit with the `_path` instance variable set
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self.widget._path = 'getter/test/pat.h'
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# WHEN: Reading the `path` property
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# THEN: The value that we set should be returned
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self.assertEqual(self.widget.path, 'getter/test/pat.h')
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def test_path_setter(self):
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"""
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Test the `path` property setter.
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"""
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# GIVEN: An instance of the PathEdit object and a mocked `line_edit`
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self.widget.line_edit = MagicMock()
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# WHEN: Writing to the `path` property
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self.widget.path = 'setter/test/pat.h'
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# THEN: The `_path` instance variable should be set with the test data. The `line_edit` text and tooltip
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# should have also been set.
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self.assertEqual(self.widget._path, 'setter/test/pat.h')
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self.widget.line_edit.setToolTip.assert_called_once_with('setter/test/pat.h')
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self.widget.line_edit.setText.assert_called_once_with('setter/test/pat.h')
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def test_path_type_getter(self):
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"""
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Test the `path_type` property getter.
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"""
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# GIVEN: An instance of PathEdit
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# WHEN: Reading the `path` property
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# THEN: The default value should be returned
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self.assertEqual(self.widget.path_type, PathType.Files)
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def test_path_type_setter(self):
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"""
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Test the `path_type` property setter.
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"""
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# GIVEN: An instance of the PathEdit object and a mocked `update_button_tool_tips` method.
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with patch.object(self.widget, 'update_button_tool_tips') as mocked_update_button_tool_tips:
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# WHEN: Writing to a different value than default to the `path_type` property
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self.widget.path_type = PathType.Directories
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# THEN: The `_path_type` instance variable should be set with the test data and not the default. The
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# update_button_tool_tips should have been called.
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self.assertEqual(self.widget._path_type, PathType.Directories)
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mocked_update_button_tool_tips.assert_called_once_with()
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def test_update_button_tool_tips_directories(self):
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"""
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Test the `update_button_tool_tips` method.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Directories`
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self.widget.browse_button = MagicMock()
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self.widget.revert_button = MagicMock()
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self.widget._path_type = PathType.Directories
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# WHEN: Calling update_button_tool_tips
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self.widget.update_button_tool_tips()
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self.widget.browse_button.setToolTip.assert_called_once_with('Browse for directory.')
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self.widget.revert_button.setToolTip.assert_called_once_with('Revert to default directory.')
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def test_update_button_tool_tips_files(self):
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"""
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Test the `update_button_tool_tips` method.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Files`
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self.widget.browse_button = MagicMock()
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self.widget.revert_button = MagicMock()
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self.widget._path_type = PathType.Files
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# WHEN: Calling update_button_tool_tips
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self.widget.update_button_tool_tips()
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self.widget.browse_button.setToolTip.assert_called_once_with('Browse for file.')
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self.widget.revert_button.setToolTip.assert_called_once_with('Revert to default file.')
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def test_on_browse_button_clicked_directory(self):
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"""
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Test the `browse_button` `clicked` handler on_browse_button_clicked when the `path_type` is set to Directories.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Directories` and a mocked
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# QFileDialog.getExistingDirectory
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with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getExistingDirectory', return_value='') as \
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mocked_get_existing_directory, \
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patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName') as \
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mocked_get_open_file_name, \
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patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath:
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self.widget._path_type = PathType.Directories
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self.widget._path = 'test/path/'
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# WHEN: Calling on_browse_button_clicked
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self.widget.on_browse_button_clicked()
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# THEN: The FileDialog.getExistingDirectory should have been called with the default caption
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mocked_get_existing_directory.assert_called_once_with(self.widget, 'Select Directory', 'test/path/',
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QtWidgets.QFileDialog.ShowDirsOnly)
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self.assertFalse(mocked_get_open_file_name.called)
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self.assertFalse(mocked_normpath.called)
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def test_on_browse_button_clicked_directory_custom_caption(self):
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"""
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Test the `browse_button` `clicked` handler on_browse_button_clicked when the `path_type` is set to Directories,
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and `dialog_caption` is set.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Directories` and a mocked
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# QFileDialog.getExistingDirectory with `default_caption` set.
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with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getExistingDirectory', return_value='') as \
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mocked_get_existing_directory, \
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patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName') as \
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mocked_get_open_file_name, \
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patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath:
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self.widget._path_type = PathType.Directories
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self.widget._path = 'test/path/'
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self.widget.dialog_caption = 'Directory Caption'
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# WHEN: Calling on_browse_button_clicked
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self.widget.on_browse_button_clicked()
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# THEN: The FileDialog.getExistingDirectory should have been called with the custom caption
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mocked_get_existing_directory.assert_called_once_with(self.widget, 'Directory Caption', 'test/path/',
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QtWidgets.QFileDialog.ShowDirsOnly)
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self.assertFalse(mocked_get_open_file_name.called)
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self.assertFalse(mocked_normpath.called)
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def test_on_browse_button_clicked_file(self):
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"""
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Test the `browse_button` `clicked` handler on_browse_button_clicked when the `path_type` is set to Files.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Files` and a mocked QFileDialog.getOpenFileName
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with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getExistingDirectory') as \
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mocked_get_existing_directory, \
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patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName', return_value=('', '')) as \
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mocked_get_open_file_name, \
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patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath:
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self.widget._path_type = PathType.Files
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self.widget._path = 'test/pat.h'
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# WHEN: Calling on_browse_button_clicked
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self.widget.on_browse_button_clicked()
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# THEN: The FileDialog.getOpenFileName should have been called with the default caption
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mocked_get_open_file_name.assert_called_once_with(self.widget, 'Select File', 'test/pat.h',
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self.widget.filters)
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self.assertFalse(mocked_get_existing_directory.called)
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self.assertFalse(mocked_normpath.called)
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def test_on_browse_button_clicked_file_custom_caption(self):
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"""
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Test the `browse_button` `clicked` handler on_browse_button_clicked when the `path_type` is set to Files and
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`dialog_caption` is set.
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"""
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# GIVEN: An instance of PathEdit with the `path_type` set to `Files` and a mocked QFileDialog.getOpenFileName
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# with `default_caption` set.
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with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getExistingDirectory') as \
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mocked_get_existing_directory, \
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patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName', return_value=('', '')) as \
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mocked_get_open_file_name, \
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patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath:
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self.widget._path_type = PathType.Files
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self.widget._path = 'test/pat.h'
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self.widget.dialog_caption = 'File Caption'
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# WHEN: Calling on_browse_button_clicked
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self.widget.on_browse_button_clicked()
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# THEN: The FileDialog.getOpenFileName should have been called with the custom caption
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mocked_get_open_file_name.assert_called_once_with(self.widget, 'File Caption', 'test/pat.h',
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self.widget.filters)
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self.assertFalse(mocked_get_existing_directory.called)
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self.assertFalse(mocked_normpath.called)
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def test_on_browse_button_clicked_user_cancels(self):
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"""
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Test the `browse_button` `clicked` handler on_browse_button_clicked when the user cancels the FileDialog (an
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empty str is returned)
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"""
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# GIVEN: An instance of PathEdit with a mocked QFileDialog.getOpenFileName which returns an empty str for the
|
||||
# file path.
|
||||
with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName', return_value=('', '')) as \
|
||||
mocked_get_open_file_name, \
|
||||
patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath:
|
||||
|
||||
# WHEN: Calling on_browse_button_clicked
|
||||
self.widget.on_browse_button_clicked()
|
||||
|
||||
# THEN: normpath should not have been called
|
||||
self.assertTrue(mocked_get_open_file_name.called)
|
||||
self.assertFalse(mocked_normpath.called)
|
||||
|
||||
def test_on_browse_button_clicked_user_accepts(self):
|
||||
"""
|
||||
Test the `browse_button` `clicked` handler on_browse_button_clicked when the user accepts the FileDialog (a path
|
||||
is returned)
|
||||
"""
|
||||
# GIVEN: An instance of PathEdit with a mocked QFileDialog.getOpenFileName which returns a str for the file
|
||||
# path.
|
||||
with patch('openlp.core.ui.lib.pathedit.QtWidgets.QFileDialog.getOpenFileName',
|
||||
return_value=('/test/pat.h', '')) as mocked_get_open_file_name, \
|
||||
patch('openlp.core.ui.lib.pathedit.os.path.normpath') as mocked_normpath, \
|
||||
patch.object(self.widget, 'on_new_path'):
|
||||
|
||||
# WHEN: Calling on_browse_button_clicked
|
||||
self.widget.on_browse_button_clicked()
|
||||
|
||||
# THEN: normpath and `on_new_path` should have been called
|
||||
self.assertTrue(mocked_get_open_file_name.called)
|
||||
mocked_normpath.assert_called_once_with('/test/pat.h')
|
||||
self.assertTrue(self.widget.on_new_path.called)
|
||||
|
||||
def test_on_revert_button_clicked(self):
|
||||
"""
|
||||
Test that the default path is set as the path when the `revert_button.clicked` handler is called.
|
||||
"""
|
||||
# GIVEN: An instance of PathEdit with a mocked `on_new_path`, and the `default_path` set.
|
||||
with patch.object(self.widget, 'on_new_path') as mocked_on_new_path:
|
||||
self.widget.default_path = '/default/pat.h'
|
||||
|
||||
# WHEN: Calling `on_revert_button_clicked`
|
||||
self.widget.on_revert_button_clicked()
|
||||
|
||||
# THEN: on_new_path should have been called with the default path
|
||||
mocked_on_new_path.assert_called_once_with('/default/pat.h')
|
||||
|
||||
def test_on_line_edit_editing_finished(self):
|
||||
"""
|
||||
Test that the new path is set as the path when the `line_edit.editingFinished` handler is called.
|
||||
"""
|
||||
# GIVEN: An instance of PathEdit with a mocked `line_edit` and `on_new_path`.
|
||||
with patch.object(self.widget, 'on_new_path') as mocked_on_new_path:
|
||||
self.widget.line_edit = MagicMock(**{'text.return_value':'/test/pat.h'})
|
||||
|
||||
# WHEN: Calling `on_line_edit_editing_finished`
|
||||
self.widget.on_line_edit_editing_finished()
|
||||
|
||||
# THEN: on_new_path should have been called with the path enetered in `line_edit`
|
||||
mocked_on_new_path.assert_called_once_with('/test/pat.h')
|
||||
|
||||
def test_on_new_path_no_change(self):
|
||||
"""
|
||||
Test `on_new_path` when called with a path that is the same as the existing path.
|
||||
"""
|
||||
# GIVEN: An instance of PathEdit with a test path and mocked `pathChanged` signal
|
||||
with patch('openlp.core.ui.lib.pathedit.PathEdit.path', new_callable=PropertyMock):
|
||||
self.widget._path = '/old/test/pat.h'
|
||||
self.widget.pathChanged = MagicMock()
|
||||
|
||||
# WHEN: Calling `on_new_path` with the same path as the existing path
|
||||
self.widget.on_new_path('/old/test/pat.h')
|
||||
|
||||
# THEN: The `pathChanged` signal should not be emitted
|
||||
self.assertFalse(self.widget.pathChanged.emit.called)
|
||||
|
||||
def test_on_new_path_change(self):
|
||||
"""
|
||||
Test `on_new_path` when called with a path that is the different to the existing path.
|
||||
"""
|
||||
# GIVEN: An instance of PathEdit with a test path and mocked `pathChanged` signal
|
||||
with patch('openlp.core.ui.lib.pathedit.PathEdit.path', new_callable=PropertyMock):
|
||||
self.widget._path = '/old/test/pat.h'
|
||||
self.widget.pathChanged = MagicMock()
|
||||
|
||||
# WHEN: Calling `on_new_path` with the a new path
|
||||
self.widget.on_new_path('/new/test/pat.h')
|
||||
|
||||
# THEN: The `pathChanged` signal should be emitted
|
||||
self.widget.pathChanged.emit.assert_called_once_with('/new/test/pat.h')
|
||||
Loading…
Reference in New Issue