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# Copyright 2016 Virgil Dupras
#
# 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 logging
from pytest import raises, skip
from hscommon.testutil import eq_
try:
from core.pe.cache import colors_to_string, string_to_colors
from core.pe.cache_sqlite import SqliteCache
from core.pe.cache_shelve import ShelveCache
except ImportError:
skip("Can't import the cache module, probably hasn't been compiled.")
class TestCaseColorsToString:
def test_no_color(self):
eq_("", colors_to_string([]))
def test_single_color(self):
eq_("000000", colors_to_string([(0, 0, 0)]))
eq_("010101", colors_to_string([(1, 1, 1)]))
eq_("0a141e", colors_to_string([(10, 20, 30)]))
def test_two_colors(self):
eq_("000102030405", colors_to_string([(0, 1, 2), (3, 4, 5)]))
class TestCaseStringToColors:
def test_empty(self):
eq_([], string_to_colors(""))
def test_single_color(self):
eq_([(0, 0, 0)], string_to_colors("000000"))
eq_([(2, 3, 4)], string_to_colors("020304"))
eq_([(10, 20, 30)], string_to_colors("0a141e"))
def test_two_colors(self):
eq_([(10, 20, 30), (40, 50, 60)], string_to_colors("0a141e28323c"))
def test_incomplete_color(self):
# don't return anything if it's not a complete color
eq_([], string_to_colors("102"))
class BaseTestCaseCache:
def get_cache(self, dbname=None):
raise NotImplementedError()
def test_empty(self):
c = self.get_cache()
eq_(0, len(c))
with raises(KeyError):
c["foo"]
def test_set_then_retrieve_blocks(self):
c = self.get_cache()
b = [(0, 0, 0), (1, 2, 3)]
c["foo"] = b
eq_(b, c["foo"])
def test_delitem(self):
c = self.get_cache()
c["foo"] = ""
del c["foo"]
assert "foo" not in c
with raises(KeyError):
del c["foo"]
def test_persistance(self, tmpdir):
DBNAME = tmpdir.join("hstest.db")
c = self.get_cache(str(DBNAME))
c["foo"] = [(1, 2, 3)]
del c
c = self.get_cache(str(DBNAME))
eq_([(1, 2, 3)], c["foo"])
def test_filter(self):
c = self.get_cache()
c["foo"] = ""
c["bar"] = ""
c["baz"] = ""
c.filter(lambda p: p != "bar") # only 'bar' is removed
eq_(2, len(c))
assert "foo" in c
assert "baz" in c
assert "bar" not in c
def test_clear(self):
c = self.get_cache()
c["foo"] = ""
c["bar"] = ""
c["baz"] = ""
c.clear()
eq_(0, len(c))
assert "foo" not in c
assert "baz" not in c
assert "bar" not in c
def test_by_id(self):
# it's possible to use the cache by referring to the files by their row_id
c = self.get_cache()
b = [(0, 0, 0), (1, 2, 3)]
c["foo"] = b
foo_id = c.get_id("foo")
eq_(c[foo_id], b)
class TestCaseSqliteCache(BaseTestCaseCache):
def get_cache(self, dbname=None):
if dbname:
return SqliteCache(dbname)
else:
return SqliteCache()
def test_corrupted_db(self, tmpdir, monkeypatch):
# If we don't do this monkeypatching, we get a weird exception about trying to flush a
# closed file. I've tried setting logging level and stuff, but nothing worked. So, there we
# go, a dirty monkeypatch.
monkeypatch.setattr(logging, "warning", lambda *args, **kw: None)
dbname = str(tmpdir.join("foo.db"))
fp = open(dbname, "w")
fp.write("invalid sqlite content")
fp.close()
c = self.get_cache(dbname) # should not raise a DatabaseError
c["foo"] = [(1, 2, 3)]
del c
c = self.get_cache(dbname)
eq_(c["foo"], [(1, 2, 3)])
class TestCaseShelveCache(BaseTestCaseCache):
def get_cache(self, dbname=None):
return ShelveCache(dbname)
class TestCaseCacheSQLEscape:
def get_cache(self):
return SqliteCache()
def test_contains(self):
c = self.get_cache()
assert "foo'bar" not in c
def test_getitem(self):
c = self.get_cache()
with raises(KeyError):
c["foo'bar"]
def test_setitem(self):
c = self.get_cache()
c["foo'bar"] = []
def test_delitem(self):
c = self.get_cache()
c["foo'bar"] = []
try:
del c["foo'bar"]
except KeyError:
assert False
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