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# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2019 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Tests for the NeighborList class."""
import pytest
from qutebrowser.utils import usertypes
class TestInit:
"""Just try to init some neighborlists."""
def test_empty(self):
"""Test constructing an empty NeighborList."""
nl = usertypes.NeighborList()
assert nl.items == []
def test_items(self):
"""Test constructing a NeighborList with items."""
nl = usertypes.NeighborList([1, 2, 3])
assert nl.items == [1, 2, 3]
def test_len(self):
"""Test len() on NeighborList."""
nl = usertypes.NeighborList([1, 2, 3])
assert len(nl) == 3
def test_contains(self):
"""Test 'in' on NeighborList."""
nl = usertypes.NeighborList([1, 2, 3])
assert 2 in nl
assert 4 not in nl
def test_invalid_mode(self):
"""Test with an invalid mode."""
with pytest.raises(TypeError):
usertypes.NeighborList(mode='blah')
class TestDefaultArg:
"""Test the default argument."""
def test_simple(self):
"""Test default with a numeric argument."""
nl = usertypes.NeighborList([1, 2, 3], default=2)
assert nl._idx == 1
def test_none(self):
"""Test default 'None'."""
nl = usertypes.NeighborList([1, 2, None], default=None)
assert nl._idx == 2
def test_unset(self):
"""Test unset default value."""
nl = usertypes.NeighborList([1, 2, 3])
assert nl._idx is None
def test_invalid_reset(self):
"""Test reset without default."""
nl = usertypes.NeighborList([1, 2, 3, 4, 5])
with pytest.raises(ValueError):
nl.reset()
class TestEmpty:
"""Tests with no items."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList()
def test_curitem(self, neighborlist):
"""Test curitem with no item."""
with pytest.raises(IndexError):
neighborlist.curitem()
def test_firstitem(self, neighborlist):
"""Test firstitem with no item."""
with pytest.raises(IndexError):
neighborlist.firstitem()
def test_lastitem(self, neighborlist):
"""Test lastitem with no item."""
with pytest.raises(IndexError):
neighborlist.lastitem()
def test_getitem(self, neighborlist):
"""Test getitem with no item."""
with pytest.raises(IndexError):
neighborlist.getitem(1)
class TestItems:
"""Tests with items."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList([1, 2, 3, 4, 5], default=3)
def test_curitem(self, neighborlist):
"""Test curitem()."""
assert neighborlist._idx == 2
assert neighborlist.curitem() == 3
assert neighborlist._idx == 2
def test_nextitem(self, neighborlist):
"""Test nextitem()."""
assert neighborlist.nextitem() == 4
assert neighborlist._idx == 3
assert neighborlist.nextitem() == 5
assert neighborlist._idx == 4
def test_previtem(self, neighborlist):
"""Test previtem()."""
assert neighborlist.previtem() == 2
assert neighborlist._idx == 1
assert neighborlist.previtem() == 1
assert neighborlist._idx == 0
def test_firstitem(self, neighborlist):
"""Test firstitem()."""
assert neighborlist.firstitem() == 1
assert neighborlist._idx == 0
def test_lastitem(self, neighborlist):
"""Test lastitem()."""
assert neighborlist.lastitem() == 5
assert neighborlist._idx == 4
def test_reset(self, neighborlist):
"""Test reset()."""
neighborlist.nextitem()
assert neighborlist._idx == 3
neighborlist.reset()
assert neighborlist._idx == 2
def test_getitem(self, neighborlist):
"""Test getitem()."""
assert neighborlist.getitem(2) == 5
assert neighborlist._idx == 4
neighborlist.reset()
assert neighborlist.getitem(-2) == 1
assert neighborlist._idx == 0
class TestSingleItem:
"""Tests with a list with only one item."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList([1], default=1)
def test_first_edge(self, neighborlist):
"""Test out of bounds previtem() with mode=edge."""
neighborlist._mode = usertypes.NeighborList.Modes.edge
neighborlist.firstitem()
assert neighborlist._idx == 0
assert neighborlist.previtem() == 1
assert neighborlist._idx == 0
def test_first_raise(self, neighborlist):
"""Test out of bounds previtem() with mode=raise."""
neighborlist._mode = usertypes.NeighborList.Modes.exception
neighborlist.firstitem()
assert neighborlist._idx == 0
with pytest.raises(IndexError):
neighborlist.previtem()
assert neighborlist._idx == 0
def test_last_edge(self, neighborlist):
"""Test out of bounds nextitem() with mode=edge."""
neighborlist._mode = usertypes.NeighborList.Modes.edge
neighborlist.lastitem()
assert neighborlist._idx == 0
assert neighborlist.nextitem() == 1
assert neighborlist._idx == 0
def test_last_raise(self, neighborlist):
"""Test out of bounds nextitem() with mode=raise."""
neighborlist._mode = usertypes.NeighborList.Modes.exception
neighborlist.lastitem()
assert neighborlist._idx == 0
with pytest.raises(IndexError):
neighborlist.nextitem()
assert neighborlist._idx == 0
class TestEdgeMode:
"""Tests with mode=edge."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList(
[1, 2, 3, 4, 5], default=3,
mode=usertypes.NeighborList.Modes.edge)
def test_first(self, neighborlist):
"""Test out of bounds previtem()."""
neighborlist.firstitem()
assert neighborlist._idx == 0
assert neighborlist.previtem() == 1
assert neighborlist._idx == 0
def test_last(self, neighborlist):
"""Test out of bounds nextitem()."""
neighborlist.lastitem()
assert neighborlist._idx == 4
assert neighborlist.nextitem() == 5
assert neighborlist._idx == 4
class TestExceptionMode:
"""Tests with mode=exception."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList(
[1, 2, 3, 4, 5], default=3,
mode=usertypes.NeighborList.Modes.exception)
def test_first(self, neighborlist):
"""Test out of bounds previtem()."""
neighborlist.firstitem()
assert neighborlist._idx == 0
with pytest.raises(IndexError):
neighborlist.previtem()
assert neighborlist._idx == 0
def test_last(self, neighborlist):
"""Test out of bounds nextitem()."""
neighborlist.lastitem()
assert neighborlist._idx == 4
with pytest.raises(IndexError):
neighborlist.nextitem()
assert neighborlist._idx == 4
class TestSnapIn:
"""Tests for the fuzzyval/_snap_in features."""
@pytest.fixture
def neighborlist(self):
return usertypes.NeighborList([20, 9, 1, 5])
def test_bigger(self, neighborlist):
"""Test fuzzyval with snapping to a bigger value."""
neighborlist.fuzzyval = 7
assert neighborlist.nextitem() == 9
assert neighborlist._idx == 1
assert neighborlist.nextitem() == 1
assert neighborlist._idx == 2
def test_smaller(self, neighborlist):
"""Test fuzzyval with snapping to a smaller value."""
neighborlist.fuzzyval = 7
assert neighborlist.previtem() == 5
assert neighborlist._idx == 3
assert neighborlist.previtem() == 1
assert neighborlist._idx == 2
def test_equal_bigger(self, neighborlist):
"""Test fuzzyval with matching value, snapping to a bigger value."""
neighborlist.fuzzyval = 20
assert neighborlist.nextitem() == 9
assert neighborlist._idx == 1
def test_equal_smaller(self, neighborlist):
"""Test fuzzyval with matching value, snapping to a smaller value."""
neighborlist.fuzzyval = 5
assert neighborlist.previtem() == 1
assert neighborlist._idx == 2
def test_too_big_next(self, neighborlist):
"""Test fuzzyval/next with a value bigger than any in the list."""
neighborlist.fuzzyval = 30
assert neighborlist.nextitem() == 20
assert neighborlist._idx == 0
def test_too_big_prev(self, neighborlist):
"""Test fuzzyval/prev with a value bigger than any in the list."""
neighborlist.fuzzyval = 30
assert neighborlist.previtem() == 20
assert neighborlist._idx == 0
def test_too_small_next(self, neighborlist):
"""Test fuzzyval/next with a value smaller than any in the list."""
neighborlist.fuzzyval = 0
assert neighborlist.nextitem() == 1
assert neighborlist._idx == 2
def test_too_small_prev(self, neighborlist):
"""Test fuzzyval/prev with a value smaller than any in the list."""
neighborlist.fuzzyval = 0
assert neighborlist.previtem() == 1
assert neighborlist._idx == 2
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