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dupeguru/core/tests/exclude_test.py
2020-12-29 16:07:55 +01:00

283 lines
11 KiB
Python

# Copyright 2016 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
import io
# import os.path as op
from xml.etree import ElementTree as ET
# from pytest import raises
from hscommon.testutil import eq_
from hscommon.plat import ISWINDOWS
from .base import DupeGuru
from ..exclude import ExcludeList, ExcludeDict, default_regexes, AlreadyThereException
from re import error
# Two slightly different implementations here, one around a list of lists,
# and another around a dictionary.
class TestCaseListXMLLoading:
def setup_method(self, method):
self.exclude_list = ExcludeList()
def test_load_non_existant_file(self):
# Loads the pre-defined regexes
self.exclude_list.load_from_xml("non_existant.xml")
eq_(len(default_regexes), len(self.exclude_list))
# they should also be marked by default
eq_(len(default_regexes), self.exclude_list.marked_count)
def test_save_to_xml(self):
f = io.BytesIO()
self.exclude_list.save_to_xml(f)
f.seek(0)
doc = ET.parse(f)
root = doc.getroot()
eq_("exclude_list", root.tag)
def test_save_and_load(self, tmpdir):
e1 = ExcludeList()
e2 = ExcludeList()
eq_(len(e1), 0)
e1.add(r"one")
e1.mark(r"one")
e1.add(r"two")
tmpxml = str(tmpdir.join("exclude_testunit.xml"))
e1.save_to_xml(tmpxml)
e2.load_from_xml(tmpxml)
# We should have the default regexes
assert r"one" in e2
assert r"two" in e2
eq_(len(e2), 2)
eq_(e2.marked_count, 1)
def test_load_xml_with_garbage_and_missing_elements(self):
root = ET.Element("foobar") # The root element shouldn't matter
exclude_node = ET.SubElement(root, "bogus")
exclude_node.set("regex", "None")
exclude_node.set("marked", "y")
exclude_node = ET.SubElement(root, "exclude")
exclude_node.set("regex", "one")
# marked field invalid
exclude_node.set("markedddd", "y")
exclude_node = ET.SubElement(root, "exclude")
exclude_node.set("regex", "two")
# missing marked field
exclude_node = ET.SubElement(root, "exclude")
exclude_node.set("regex", "three")
exclude_node.set("markedddd", "pazjbjepo")
f = io.BytesIO()
tree = ET.ElementTree(root)
tree.write(f, encoding="utf-8")
f.seek(0)
self.exclude_list.load_from_xml(f)
print(f"{[x for x in self.exclude_list]}")
# only the two "exclude" nodes should be added,
eq_(3, len(self.exclude_list))
# None should be marked
eq_(0, self.exclude_list.marked_count)
class TestCaseDictXMLLoading(TestCaseListXMLLoading):
def setup_method(self, method):
self.exclude_list = ExcludeDict()
class TestCaseListEmpty:
def setup_method(self, method):
self.app = DupeGuru()
self.app.exclude_list = ExcludeList(union_regex=False)
self.exclude_list = self.app.exclude_list
def test_add_mark_and_remove_regex(self):
regex1 = r"one"
regex2 = r"two"
self.exclude_list.add(regex1)
assert(regex1 in self.exclude_list)
self.exclude_list.add(regex2)
self.exclude_list.mark(regex1)
self.exclude_list.mark(regex2)
eq_(len(self.exclude_list), 2)
eq_(len(self.exclude_list.compiled), 2)
compiled_files = [x for x in self.exclude_list.compiled_files]
eq_(len(compiled_files), 2)
self.exclude_list.remove(regex2)
assert(regex2 not in self.exclude_list)
eq_(len(self.exclude_list), 1)
def test_add_duplicate(self):
self.exclude_list.add(r"one")
eq_(1 , len(self.exclude_list))
try:
self.exclude_list.add(r"one")
except Exception:
pass
eq_(1 , len(self.exclude_list))
def test_add_not_compilable(self):
# Trying to add a non-valid regex should not work and raise exception
regex = r"one))"
try:
self.exclude_list.add(regex)
except Exception as e:
# Make sure we raise a re.error so that the interface can process it
eq_(type(e), error)
added = self.exclude_list.mark(regex)
eq_(added, False)
eq_(len(self.exclude_list), 0)
eq_(len(self.exclude_list.compiled), 0)
compiled_files = [x for x in self.exclude_list.compiled_files]
eq_(len(compiled_files), 0)
def test_force_add_not_compilable(self):
"""Used when loading from XML for example"""
regex = r"one))"
try:
self.exclude_list.add(regex, forced=True)
except Exception as e:
# Should not get an exception here unless it's a duplicate regex
raise e
marked = self.exclude_list.mark(regex)
eq_(marked, False) # can't be marked since not compilable
eq_(len(self.exclude_list), 1)
eq_(len(self.exclude_list.compiled), 0)
compiled_files = [x for x in self.exclude_list.compiled_files]
eq_(len(compiled_files), 0)
# adding a duplicate
regex = r"one))"
try:
self.exclude_list.add(regex, forced=True)
except Exception as e:
# we should have this exception, and it shouldn't be added
assert type(e) is AlreadyThereException
eq_(len(self.exclude_list), 1)
eq_(len(self.exclude_list.compiled), 0)
def test_rename_regex(self):
regex = r"one"
self.exclude_list.add(regex)
self.exclude_list.mark(regex)
regex_renamed = r"one))"
# Not compilable, can't be marked
self.exclude_list.rename(regex, regex_renamed)
assert regex not in self.exclude_list
assert regex_renamed in self.exclude_list
eq_(self.exclude_list.is_marked(regex_renamed), False)
self.exclude_list.mark(regex_renamed)
eq_(self.exclude_list.is_marked(regex_renamed), False)
regex_renamed_compilable = r"two"
self.exclude_list.rename(regex_renamed, regex_renamed_compilable)
assert regex_renamed_compilable in self.exclude_list
eq_(self.exclude_list.is_marked(regex_renamed), False)
self.exclude_list.mark(regex_renamed_compilable)
eq_(self.exclude_list.is_marked(regex_renamed_compilable), True)
eq_(len(self.exclude_list), 1)
# Should still be marked after rename
regex_compilable = r"three"
self.exclude_list.rename(regex_renamed_compilable, regex_compilable)
eq_(self.exclude_list.is_marked(regex_compilable), True)
def test_restore_default(self):
"""Only unmark previously added regexes and mark the pre-defined ones"""
regex = r"one"
self.exclude_list.add(regex)
self.exclude_list.mark(regex)
self.exclude_list.restore_defaults()
eq_(len(default_regexes), self.exclude_list.marked_count)
# added regex shouldn't be marked
eq_(self.exclude_list.is_marked(regex), False)
# added regex shouldn't be in compiled list either
compiled = [x for x in self.exclude_list.compiled]
assert regex not in compiled
# Only default regexes marked and in compiled list
for re in default_regexes:
assert self.exclude_list.is_marked(re)
found = False
for compiled_re in compiled:
if compiled_re.pattern == re:
found = True
if not found:
raise(Exception(f"Default RE {re} not found in compiled list."))
continue
eq_(len(default_regexes), len(self.exclude_list.compiled))
class TestCaseDictEmpty(TestCaseListEmpty):
"""Same, but with dictionary implementation"""
def setup_method(self, method):
self.app = DupeGuru()
self.app.exclude_list = ExcludeDict(union_regex=False)
self.exclude_list = self.app.exclude_list
def split_union(pattern_object):
"""Returns list of strings for each union pattern"""
return [x for x in pattern_object.pattern.split("|")]
class TestCaseCompiledList():
"""Test consistency between union or and separate versions."""
def setup_method(self, method):
self.e_separate = ExcludeList(union_regex=False)
self.e_separate.restore_defaults()
self.e_union = ExcludeList(union_regex=True)
self.e_union.restore_defaults()
def test_same_number_of_expressions(self):
# We only get one union Pattern item in a tuple, which is made of however many parts
eq_(len(split_union(self.e_union.compiled[0])), len(default_regexes))
# We get as many as there are marked items
eq_(len(self.e_separate.compiled), len(default_regexes))
exprs = split_union(self.e_union.compiled[0])
# We should have the same number and the same expressions
eq_(len(exprs), len(self.e_separate.compiled))
for expr in self.e_separate.compiled:
assert expr.pattern in exprs
def test_compiled_files(self):
# is path separator checked properly to yield the output
if ISWINDOWS:
regex1 = r"test\\one\\sub"
else:
regex1 = r"test/one/sub"
self.e_separate.add(regex1)
self.e_separate.mark(regex1)
self.e_union.add(regex1)
self.e_union.mark(regex1)
separate_compiled_dirs = self.e_separate.compiled
separate_compiled_files = [x for x in self.e_separate.compiled_files]
# HACK we need to call compiled property FIRST to generate the cache
union_compiled_dirs = self.e_union.compiled
# print(f"type: {type(self.e_union.compiled_files[0])}")
# A generator returning only one item... ugh
union_compiled_files = [x for x in self.e_union.compiled_files][0]
print(f"compiled files: {union_compiled_files}")
# Separate should give several plus the one added
eq_(len(separate_compiled_dirs), len(default_regexes) + 1)
# regex1 shouldn't be in the "files" version
eq_(len(separate_compiled_files), len(default_regexes))
# Only one Pattern returned, which when split should be however many + 1
eq_(len(split_union(union_compiled_dirs[0])), len(default_regexes) + 1)
# regex1 shouldn't be here either
eq_(len(split_union(union_compiled_files)), len(default_regexes))
class TestCaseCompiledDict(TestCaseCompiledList):
"""Test the dictionary version"""
def setup_method(self, method):
self.e_separate = ExcludeDict(union_regex=False)
self.e_separate.restore_defaults()
self.e_union = ExcludeDict(union_regex=True)
self.e_union.restore_defaults()