forked from openlp/openlp
362 lines
15 KiB
Python
362 lines
15 KiB
Python
"""
|
|
Package to test the openlp.core.lib package.
|
|
"""
|
|
from unittest import TestCase
|
|
from datetime import datetime, timedelta
|
|
|
|
from mock import MagicMock, patch
|
|
|
|
from openlp.core.lib import str_to_bool, translate, check_directory_exists, get_text_file_string, build_icon, \
|
|
image_to_byte, check_item_selected, validate_thumb
|
|
|
|
class TestLib(TestCase):
|
|
|
|
def str_to_bool_with_bool_test(self):
|
|
"""
|
|
Test the str_to_bool function with boolean input
|
|
"""
|
|
#GIVEN: A boolean value set to true
|
|
true_boolean = True
|
|
|
|
# WHEN: We "convert" it to a bool
|
|
true_result = str_to_bool(true_boolean)
|
|
|
|
# THEN: We should get back a True bool
|
|
assert isinstance(true_result, bool), u'The result should be a boolean'
|
|
assert true_result is True, u'The result should be True'
|
|
|
|
#GIVEN: A boolean value set to false
|
|
false_boolean = False
|
|
|
|
# WHEN: We "convert" it to a bool
|
|
false_result = str_to_bool(false_boolean)
|
|
|
|
# THEN: We should get back a True bool
|
|
assert isinstance(false_result, bool), u'The result should be a boolean'
|
|
assert false_result is False, u'The result should be True'
|
|
|
|
def str_to_bool_with_invalid_test(self):
|
|
"""
|
|
Test the str_to_bool function with a set of invalid inputs
|
|
"""
|
|
# GIVEN: An integer value
|
|
int_string = 1
|
|
|
|
# WHEN: we convert it to a bool
|
|
int_result = str_to_bool(int_string)
|
|
|
|
# THEN: we should get back a false
|
|
assert int_result is False, u'The result should be False'
|
|
|
|
# GIVEN: An string value with completely invalid input
|
|
invalid_string = u'my feet are wet'
|
|
|
|
# WHEN: we convert it to a bool
|
|
str_result = str_to_bool(invalid_string)
|
|
|
|
# THEN: we should get back a false
|
|
assert str_result is False, u'The result should be False'
|
|
|
|
def str_to_bool_with_false_values_test(self):
|
|
"""
|
|
Test the str_to_bool function with a set of false inputs
|
|
"""
|
|
# GIVEN: A string set to "false"
|
|
false_string = u'false'
|
|
|
|
# WHEN: we convert it to a bool
|
|
false_result = str_to_bool(false_string)
|
|
|
|
# THEN: we should get back a false
|
|
assert false_result is False, u'The result should be False'
|
|
|
|
# GIVEN: An string set to "NO"
|
|
no_string = u'NO'
|
|
|
|
# WHEN: we convert it to a bool
|
|
str_result = str_to_bool(no_string)
|
|
|
|
# THEN: we should get back a false
|
|
assert str_result is False, u'The result should be False'
|
|
|
|
def str_to_bool_with_true_values_test(self):
|
|
"""
|
|
Test the str_to_bool function with a set of true inputs
|
|
"""
|
|
# GIVEN: A string set to "True"
|
|
true_string = u'True'
|
|
|
|
# WHEN: we convert it to a bool
|
|
true_result = str_to_bool(true_string)
|
|
|
|
# THEN: we should get back a true
|
|
assert true_result is True, u'The result should be True'
|
|
|
|
# GIVEN: An string set to "yes"
|
|
yes_string = u'yes'
|
|
|
|
# WHEN: we convert it to a bool
|
|
str_result = str_to_bool(yes_string)
|
|
|
|
# THEN: we should get back a true
|
|
assert str_result is True, u'The result should be True'
|
|
|
|
def translate_test(self):
|
|
"""
|
|
Test the translate() function
|
|
"""
|
|
# GIVEN: A string to translate and a mocked Qt translate function
|
|
context = u'OpenLP.Tests'
|
|
text = u'Untranslated string'
|
|
comment = u'A comment'
|
|
encoding = 1
|
|
n = 1
|
|
mocked_translate = MagicMock(return_value=u'Translated string')
|
|
|
|
# WHEN: we call the translate function
|
|
result = translate(context, text, comment, encoding, n, mocked_translate)
|
|
|
|
# THEN: the translated string should be returned, and the mocked function should have been called
|
|
mocked_translate.assert_called_with(context, text, comment, encoding, n)
|
|
assert result == u'Translated string', u'The translated string should have been returned'
|
|
|
|
def check_directory_exists_test(self):
|
|
"""
|
|
Test the check_directory_exists() function
|
|
"""
|
|
with patch(u'openlp.core.lib.os.path.exists') as mocked_exists, \
|
|
patch(u'openlp.core.lib.os.makedirs') as mocked_makedirs:
|
|
# GIVEN: A directory to check and a mocked out os.makedirs and os.path.exists
|
|
directory_to_check = u'existing/directory'
|
|
|
|
# WHEN: os.path.exists returns True and we check to see if the directory exists
|
|
mocked_exists.return_value = True
|
|
check_directory_exists(directory_to_check)
|
|
|
|
# THEN: Only os.path.exists should have been called
|
|
mocked_exists.assert_called_with(directory_to_check)
|
|
assert not mocked_makedirs.called, u'os.makedirs should not have been called'
|
|
|
|
# WHEN: os.path.exists returns False and we check the directory exists
|
|
mocked_exists.return_value = False
|
|
check_directory_exists(directory_to_check)
|
|
|
|
# THEN: Both the mocked functions should have been called
|
|
mocked_exists.assert_called_with(directory_to_check)
|
|
mocked_makedirs.assert_called_with(directory_to_check)
|
|
|
|
# WHEN: os.path.exists raises an IOError
|
|
mocked_exists.side_effect = IOError()
|
|
check_directory_exists(directory_to_check)
|
|
|
|
# THEN: We shouldn't get an exception though the mocked exists has been called
|
|
mocked_exists.assert_called_with(directory_to_check)
|
|
|
|
# WHEN: Some other exception is raised
|
|
mocked_exists.side_effect = ValueError()
|
|
|
|
# THEN: check_directory_exists raises an exception
|
|
mocked_exists.assert_called_with(directory_to_check)
|
|
self.assertRaises(ValueError, check_directory_exists, directory_to_check)
|
|
|
|
def get_text_file_string_no_file_test(self):
|
|
"""
|
|
Test the get_text_file_string() function when a file does not exist
|
|
"""
|
|
with patch(u'openlp.core.lib.os.path.isfile') as mocked_isfile:
|
|
# GIVEN: A mocked out isfile which returns true, and a text file name
|
|
filename = u'testfile.txt'
|
|
mocked_isfile.return_value = False
|
|
|
|
# WHEN: get_text_file_string is called
|
|
result = get_text_file_string(filename)
|
|
|
|
# THEN: The result should be False
|
|
mocked_isfile.assert_called_with(filename)
|
|
assert result is False, u'False should be returned if no file exists'
|
|
|
|
def get_text_file_string_read_error_test(self):
|
|
"""
|
|
Test the get_text_file_string() method when a read error happens
|
|
"""
|
|
with patch(u'openlp.core.lib.os.path.isfile') as mocked_isfile, patch(u'__builtin__.open') as mocked_open:
|
|
# GIVEN: A mocked-out open() which raises an exception and isfile returns True
|
|
filename = u'testfile.txt'
|
|
mocked_isfile.return_value = True
|
|
mocked_open.side_effect = IOError()
|
|
|
|
# WHEN: get_text_file_string is called
|
|
result = get_text_file_string(filename)
|
|
|
|
# THEN: None should be returned
|
|
mocked_isfile.assert_called_with(filename)
|
|
mocked_open.assert_called_with(filename, u'r')
|
|
assert result is None, u'None should be returned if the file cannot be opened'
|
|
|
|
def get_text_file_string_decode_error_test(self):
|
|
"""
|
|
Test the get_text_file_string() method when the contents cannot be decoded
|
|
"""
|
|
assert True, u'Impossible to test due to conflicts when mocking out the "open" function'
|
|
|
|
def build_icon_with_qicon_test(self):
|
|
"""
|
|
Test the build_icon() function with a QIcon instance
|
|
"""
|
|
with patch(u'openlp.core.lib.QtGui') as MockedQtGui:
|
|
# GIVEN: A mocked QIcon
|
|
MockedQtGui.QIcon = MagicMock
|
|
mocked_icon = MockedQtGui.QIcon()
|
|
|
|
# WHEN: We pass a QIcon instance in
|
|
result = build_icon(mocked_icon)
|
|
|
|
# THEN: The result should be our mocked QIcon
|
|
assert result is mocked_icon, u'The result should be the mocked QIcon'
|
|
|
|
def build_icon_with_resource_test(self):
|
|
"""
|
|
Test the build_icon() function with a resource URI
|
|
"""
|
|
with patch(u'openlp.core.lib.QtGui') as MockedQtGui, \
|
|
patch(u'openlp.core.lib.QtGui.QPixmap') as MockedQPixmap:
|
|
# GIVEN: A mocked QIcon and a mocked QPixmap
|
|
MockedQtGui.QIcon = MagicMock
|
|
MockedQtGui.QIcon.Normal = 1
|
|
MockedQtGui.QIcon.Off = 2
|
|
MockedQPixmap.return_value = u'mocked_pixmap'
|
|
resource_uri = u':/resource/uri'
|
|
|
|
# WHEN: We pass a QIcon instance in
|
|
result = build_icon(resource_uri)
|
|
|
|
# THEN: The result should be our mocked QIcon
|
|
MockedQPixmap.assert_called_with(resource_uri)
|
|
# There really should be more assert statements here but due to type checking and things they all break. The
|
|
# best we can do is to assert that we get back a MagicMock object.
|
|
assert isinstance(result, MagicMock), u'The result should be a MagicMock, because we mocked it out'
|
|
|
|
def image_to_byte_test(self):
|
|
"""
|
|
Test the image_to_byte() function
|
|
"""
|
|
with patch(u'openlp.core.lib.QtCore') as MockedQtCore:
|
|
# GIVEN: A set of mocked-out Qt classes
|
|
mocked_byte_array = MagicMock()
|
|
MockedQtCore.QByteArray.return_value = mocked_byte_array
|
|
mocked_byte_array.toBase64.return_value = u'base64mock'
|
|
mocked_buffer = MagicMock()
|
|
MockedQtCore.QBuffer.return_value = mocked_buffer
|
|
MockedQtCore.QIODevice.WriteOnly = u'writeonly'
|
|
mocked_image = MagicMock()
|
|
|
|
# WHEN: We convert an image to a byte array
|
|
result = image_to_byte(mocked_image)
|
|
|
|
# THEN: We should receive a value of u'base64mock'
|
|
MockedQtCore.QByteArray.assert_called_with()
|
|
MockedQtCore.QBuffer.assert_called_with(mocked_byte_array)
|
|
mocked_buffer.open.assert_called_with(u'writeonly')
|
|
mocked_image.save.assert_called_with(mocked_buffer, "PNG")
|
|
mocked_byte_array.toBase64.assert_called_with()
|
|
assert result == u'base64mock', u'The result should be the return value of the mocked out base64 method'
|
|
|
|
def check_item_selected_true_test(self):
|
|
"""
|
|
Test that the check_item_selected() function returns True when there are selected indexes.
|
|
"""
|
|
# GIVEN: A mocked out QtGui module and a list widget with selected indexes
|
|
MockedQtGui = patch(u'openlp.core.lib.QtGui')
|
|
mocked_list_widget = MagicMock()
|
|
mocked_list_widget.selectedIndexes.return_value = True
|
|
message = u'message'
|
|
|
|
# WHEN: We check if there are selected items
|
|
result = check_item_selected(mocked_list_widget, message)
|
|
|
|
# THEN: The selectedIndexes function should have been called and the result should be true
|
|
mocked_list_widget.selectedIndexes.assert_called_with()
|
|
assert result, u'The result should be True'
|
|
|
|
def check_item_selected_false_test(self):
|
|
"""
|
|
Test that the check_item_selected() function returns False when there are no selected indexes.
|
|
"""
|
|
# GIVEN: A mocked out QtGui module and a list widget with selected indexes
|
|
with patch(u'openlp.core.lib.QtGui') as MockedQtGui, \
|
|
patch(u'openlp.core.lib.translate') as mocked_translate:
|
|
mocked_translate.return_value = u'mocked translate'
|
|
mocked_list_widget = MagicMock()
|
|
mocked_list_widget.selectedIndexes.return_value = False
|
|
mocked_list_widget.parent.return_value = u'parent'
|
|
message = u'message'
|
|
|
|
# WHEN: We check if there are selected items
|
|
result = check_item_selected(mocked_list_widget, message)
|
|
|
|
# THEN: The selectedIndexes function should have been called and the result should be true
|
|
mocked_list_widget.selectedIndexes.assert_called_with()
|
|
MockedQtGui.QMessageBox.information.assert_called_with(u'parent', u'mocked translate', 'message')
|
|
assert not result, u'The result should be False'
|
|
|
|
def validate_thumb_file_does_not_exist_test(self):
|
|
"""
|
|
Test the validate_thumb() function when the thumbnail does not exist
|
|
"""
|
|
# GIVEN: A mocked out os module, with path.exists returning False, and fake paths to a file and a thumb
|
|
with patch(u'openlp.core.lib.os') as mocked_os:
|
|
file_path = u'path/to/file'
|
|
thumb_path = u'path/to/thumb'
|
|
mocked_os.path.exists.return_value = False
|
|
|
|
# WHEN: we run the validate_thumb() function
|
|
result = validate_thumb(file_path, thumb_path)
|
|
|
|
# THEN: we should have called a few functions, and the result should be False
|
|
mocked_os.path.exists.assert_called_with(thumb_path)
|
|
assert result is False, u'The result should be False'
|
|
|
|
def validate_thumb_file_exists_and_newer_test(self):
|
|
"""
|
|
Test the validate_thumb() function when the thumbnail exists and has a newer timestamp than the file
|
|
"""
|
|
# GIVEN: A mocked out os module, functions rigged to work for us, and fake paths to a file and a thumb
|
|
with patch(u'openlp.core.lib.os') as mocked_os:
|
|
file_path = u'path/to/file'
|
|
thumb_path = u'path/to/thumb'
|
|
file_mocked_stat = MagicMock()
|
|
file_mocked_stat.st_mtime = datetime.now()
|
|
thumb_mocked_stat = MagicMock()
|
|
thumb_mocked_stat.st_mtime = datetime.now() + timedelta(seconds=10)
|
|
mocked_os.path.exists.return_value = True
|
|
mocked_os.stat.side_effect = [file_mocked_stat, thumb_mocked_stat]
|
|
|
|
# WHEN: we run the validate_thumb() function
|
|
|
|
# THEN: we should have called a few functions, and the result should be True
|
|
#mocked_os.path.exists.assert_called_with(thumb_path)
|
|
|
|
def validate_thumb_file_exists_and_older_test(self):
|
|
"""
|
|
Test the validate_thumb() function when the thumbnail exists but is older than the file
|
|
"""
|
|
# GIVEN: A mocked out os module, functions rigged to work for us, and fake paths to a file and a thumb
|
|
with patch(u'openlp.core.lib.os') as mocked_os:
|
|
file_path = u'path/to/file'
|
|
thumb_path = u'path/to/thumb'
|
|
file_mocked_stat = MagicMock()
|
|
file_mocked_stat.st_mtime = datetime.now()
|
|
thumb_mocked_stat = MagicMock()
|
|
thumb_mocked_stat.st_mtime = datetime.now() - timedelta(seconds=10)
|
|
mocked_os.path.exists.return_value = True
|
|
mocked_os.stat.side_effect = [file_mocked_stat, thumb_mocked_stat]
|
|
|
|
# WHEN: we run the validate_thumb() function
|
|
result = validate_thumb(file_path, thumb_path)
|
|
|
|
# THEN: we should have called a few functions, and the result should be False
|
|
mocked_os.path.exists.assert_called_with(thumb_path)
|
|
mocked_os.stat.assert_any_call(file_path)
|
|
mocked_os.stat.assert_any_call(thumb_path)
|
|
assert result is False, u'The result should be False'
|