TestWindowGravity.test_gravity_equivalence() - Code Metrics - Inspection of "Start to refactor the workarea-calculation code" - ssokolow/quicktile - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9d96a1...31b814 )

by Stephan

created 2017-08-21 05:16 UTC

TestWindowGravity.test_gravity_equivalence() A

↳ Parent: TestWindowGravity

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
c	1
b	0
f	0
dl	0
loc	11
rs	9.4285

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Unit Test Suite for QuickTile using Nose test discovery"""

__author__ = "Stephan Sokolow (deitarion/SSokolow)"
__license__ = "GNU GPL 2.0 or later"

try:
    import pygtk
    pygtk.require('2.0')
except ImportError as err:
    # Apparently Travis-CI's build environment doesn't add this
    import sys
    sys.path.append('/usr/lib/python2.7/dist-packages')
    sys.path.append('/usr/lib/python2.7/dist-packages/gtk-2.0')

import logging, operator, sys

import gtk
import gtk.gdk, wnck  # pylint: disable=import-error

from quicktile import commands, wm
from quicktile.util import powerset, EnumSafeDict, XInitError

# Ensure code coverage is accurate
from quicktile import __main__  # pylint: disable=unused-import

# Silence flake8 since PyLint already took the line comment spot
__main__  # pylint: disable=pointless-statement

log = logging.getLogger(__name__)

if sys.version_info[0] == 2 and sys.version_info[1] < 7:  # pragma: no cover
    import unittest2 as unittest
else:                                                     # pragma: no cover
    import unittest

# pylint: disable=too-few-public-methods

class ComplainingEnum(object):
    """A parent class for classes which should raise C{TypeError} when compared

    (A stricter version of the annoyance I observed in Glib enums.)
    """
    def __init__(self, testcase):
        self.testcase = testcase

    def __cmp__(self, other):
        """Raises an exception if comparing against another type.
        @raises TypeError: C{type(self) != type(other)}
        @returns: C{id(self) == id(other)}
        @rtype: C{bool}
        """
        if type(self) != type(other):  # pylint: disable=unidiomatic-typecheck
            raise TypeError("Should not be comparing heterogeneous enums: "
                    "%s != %s" % (type(self), type(other)))
        else:
            return cmp(id(self), id(other))

class Thing1(ComplainingEnum):
    """See L{ComplainingEnum}"""
class Thing2(ComplainingEnum):
    """See L{ComplainingEnum}"""

class TestCommandRegistry(unittest.TestCase):
    """Tests for the CommandRegistry class"""
    def setUp(self):
        self.registry = commands.CommandRegistry()

    # TODO: Implement tests for CommandRegistry

# TODO: Implement tests for cycle_dimensions
# TODO: Implement tests for cycle_monitors
# TODO: Implement tests for move_to_position
# TODO: Implement tests for toggle_decorated
# TODO: Implement tests for toggle_desktop
# TODO: Implement tests for toggle_state
# TODO: Implement tests for trigger_keyboard_action
# TODO: Implement tests for workspace_go
# TODO: Implement tests for workspace_send_window

class TestEnumSafeDict(unittest.TestCase):
    """Tests to ensure EnumSafeDict never compares enums of different types"""
    def setUp(self):
        self.thing1 = Thing1(self)
        self.thing2 = Thing2(self)

        self.test_mappings = [
            (self.thing1, 'a'),
            (self.thing2, 'b'),
            (1, self.thing1),
            (2, self.thing2)
        ]

        self.empty = EnumSafeDict()
        self.full = EnumSafeDict(
                *[dict([x]) for x in self.test_mappings])

    def test_testing_shims(self):
        """EnumSafeDict: Testing shims function correctly"""
        for oper in ('lt', 'le', 'eq', 'ne', 'ge', 'gt'):
            with self.assertRaises(TypeError):
                print "Testing %s..." % oper
                getattr(operator, oper)(self.thing1, self.thing2)

    def test_init_with_content(self):
        """EnumSafeDict: Initialization with content"""

        test_map = self.test_mappings[:]

        while test_map:
            key, val = test_map.pop()
            self.assertEqual(self.full[key], val,
                "All things in the input must make it into EnumSafeDict: " +
                 str(key))

        self.assertFalse(test_map, "EnumSafeDict must contain ONLY things from"
                " the input.")

    def test_get_set_del(self):
        """EnumSafeDict: get/set/delitem"""

        # Test the "no matching key" branch of __getitem__
        with self.assertRaises(KeyError):
            self.empty['nonexist']  # pylint: disable=pointless-statement

        # Let Thing1 and Thing2 error out if they're compared in __setitem__
        for key, val in self.test_mappings:
            self.empty[key] = val

        # Test the "matching key" branch of __getitem__ and __delitem__
        for key, val in self.test_mappings:
            assert self.empty[key] == val
            del self.empty[key]
            with self.assertRaises(KeyError):
                self.empty[key]  # pylint: disable=pointless-statement

    # TODO: Complete set of tests which try to trick EnumSafeDict into
    #       comparing thing1 and thing2.


# TODO: Implement tests for GravityLayout

# TODO: Implement tests for KeyBinder

# TODO: Implement tests for QuickTileApp

class TestHelpers(unittest.TestCase):
    """
    @todo: Switch to pytest to get the assertEqual readout from assert in
           bare functions.
    """
    def test_powerset(self):
        """Test that powerset() behaves as expected"""
        src_set = (1, 2, 3)
        expected = [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)]

        for test_set in (tuple(src_set), list(src_set), set(src_set)):
            result = list(powerset(test_set))

            # Obvious requirements
            self.assertIn(tuple(), result)
            self.assertIn(tuple(test_set), result)

            # Check that only subsets are returned
            for subset in expected:
                for item in subset:
                    self.assertIn(item, test_set)

            # Check that ALL subsets are returned
            # FIXME: This shouldn't enforce an ordering constraint.
            self.assertEqual(list(powerset([1, 2, 3])), expected)

    # TODO: Test fmt_table

    # TODO: Test _make_positions

    def test_xiniterror_str(self):
        """XInitError.__str__ output contains provided text"""
        self.assertIn("Testing 123", XInitError("Testing 123"))

class TestWindowGravity(unittest.TestCase):
    """Test the equivalence and correctness of L{wm.GRAVITY} values."""

    def setUp(self):
        # Set up a nice, oddly-shaped fake desktop made from screens
        # I actually have access to (though not all on the same PC)
        self.screens = [
                gtk.gdk.Rectangle(0, 0, 1280, 1024),
                gtk.gdk.Rectangle(1280, 0, 1280, 1024),
                gtk.gdk.Rectangle(0, 1024, 1680, 1050),
                gtk.gdk.Rectangle(1680, 1024, 1440, 900)
        ]

        # TODO: Also work in some fake panel struts
        self.desktop = gtk.gdk.Region()
        for rect in self.screens:
            self.desktop.union_with_rect(rect)

    def test_gravity_equivalence(self):
        """Gravity Lookup Table: text/GDK/WNCK constants are equivalent"""
        for alignment in ('CENTER', 'NORTH', 'NORTH_WEST', 'SOUTH_EAST',
                          'EAST', 'NORTH_EAST', 'SOUTH', 'SOUTH_WEST', 'WEST'):
            self.assertEqual(wm.GRAVITY[alignment],
                wm.GRAVITY[getattr(gtk.gdk, 'GRAVITY_{}'.format(alignment))])
            self.assertEqual(
                wm.GRAVITY[getattr(wnck, 'WINDOW_GRAVITY_{}'.format(
                    alignment.replace('_', '')))],
                wm.GRAVITY[getattr(gtk.gdk, 'GRAVITY_{}'.format(
                    alignment))])

    def test_gravity_correctness(self):
        """Gravity Lookup Table: Constants have correct percentage values"""
        for alignment, coords in (
                ('NORTH_WEST', (0, 0)), ('NORTH', (0.5, 0)),
                ('NORTH_EAST', (1.0, 0.0)), ('WEST', (0.0, 0.5)),
                ('CENTER', (0.5, 0.5)), ('EAST', (1, 0.5)),
                ('SOUTH_WEST', (0.0, 1.0)), ('SOUTH', (0.5, 1.0)),
                ('SOUTH_EAST', (1.0, 1.0))):
            self.assertEqual(wm.GRAVITY[
                getattr(gtk.gdk, 'GRAVITY_%s' % alignment)], coords)

class TestWindowManagerDetached(unittest.TestCase):
    """Tests which exercise L{wm.WindowManager} without needing X11."""

    def setUp(self):
        # Shorthand
        self.WM = wm.WindowManager  # pylint: disable=invalid-name

        # Set up a nice, oddly-shaped fake desktop made from screens
        # I actually have access to (though not all on the same PC)
        self.screens = [
                gtk.gdk.Rectangle(0, 0, 1280, 1024),
                gtk.gdk.Rectangle(1280, 0, 1280, 1024),
                gtk.gdk.Rectangle(0, 1024, 1680, 1050),
                gtk.gdk.Rectangle(1680, 1024, 1440, 900)
        ]

        # TODO: Also work in some fake panel struts
        self.desktop = gtk.gdk.Region()
        for rect in self.screens:
            self.desktop.union_with_rect(rect)

    def test_win_gravity_noop(self):
        """WindowManager.calc_win_gravity: north-west should be a no-op

        (Might as well use the screen shapes to test this. It saves effort.)
        """
        for rect in [self.desktop.get_clipbox()] + self.screens:
            self.assertEqual((rect.x, rect.y),
                self.WM.calc_win_gravity(rect, gtk.gdk.GRAVITY_NORTH_WEST),
                "NORTHWEST gravity should be a no-op.")

    def test_win_gravity_results(self):
        """WindowManager.calc_win_gravity: proper results"""
        for edge in (100, 200):
            ehalf = edge / 2
            for gravity, expect in (
                    ('NORTH_WEST', (0, 0)), ('NORTH', (-ehalf, 0)),
                    ('NORTH_EAST', (-edge, 0)), ('WEST', (0, -ehalf)),
                    ('CENTER', (-ehalf, -ehalf)), ('EAST', (-edge, -ehalf)),
                    ('SOUTH_WEST', (0, -edge)), ('SOUTH', (-ehalf, -edge)),
                    ('SOUTH_EAST', (-edge, -edge))):
                rect = gtk.gdk.Rectangle(0, 0, edge, edge)
                grav = getattr(gtk.gdk, 'GRAVITY_%s' % gravity)

                self.assertEqual(self.WM.calc_win_gravity(rect, grav), expect)

    # TODO: Test the rest of the functionality

# vim: set sw=4 sts=4 expandtab :


1			#!/usr/bin/env python
2			# -- coding: utf-8 --
3			"""Unit Test Suite for QuickTile using Nose test discovery"""
4
5			__author__ = "Stephan Sokolow (deitarion/SSokolow)"
6			__license__ = "GNU GPL 2.0 or later"
7
8			try:
9			import pygtk
10			pygtk.require('2.0')
11			except ImportError as err:
12			# Apparently Travis-CI's build environment doesn't add this
13			import sys
14			sys.path.append('/usr/lib/python2.7/dist-packages')
15			sys.path.append('/usr/lib/python2.7/dist-packages/gtk-2.0')
16
17			import logging, operator, sys
18
19			import gtk
20			import gtk.gdk, wnck # pylint: disable=import-error
21
22			from quicktile import commands, wm
23			from quicktile.util import powerset, EnumSafeDict, XInitError
24
25			# Ensure code coverage is accurate
26			from quicktile import __main__ # pylint: disable=unused-import
27
28			# Silence flake8 since PyLint already took the line comment spot
29			__main__ # pylint: disable=pointless-statement
30
31			log = logging.getLogger(__name__)
32
33			if sys.version_info[0] == 2 and sys.version_info[1] < 7: # pragma: no cover
34			import unittest2 as unittest
35			else: # pragma: no cover
36			import unittest
37
38			# pylint: disable=too-few-public-methods
39
40			class ComplainingEnum(object):
41			"""A parent class for classes which should raise C{TypeError} when compared
42
43			(A stricter version of the annoyance I observed in Glib enums.)
44			"""
45			def __init__(self, testcase):
46			self.testcase = testcase
47
48			def __cmp__(self, other):
49			"""Raises an exception if comparing against another type.
50			@raises TypeError: C{type(self) != type(other)}
51			@returns: C{id(self) == id(other)}
52			@rtype: C{bool}
53			"""
54			if type(self) != type(other): # pylint: disable=unidiomatic-typecheck
55			raise TypeError("Should not be comparing heterogeneous enums: "
56			"%s != %s" % (type(self), type(other)))
57			else:
58			return cmp(id(self), id(other))
59
60			class Thing1(ComplainingEnum):
61			"""See L{ComplainingEnum}"""
62			class Thing2(ComplainingEnum):
63			"""See L{ComplainingEnum}"""
64
65			class TestCommandRegistry(unittest.TestCase):
66			"""Tests for the CommandRegistry class"""
67			def setUp(self):
68			self.registry = commands.CommandRegistry()
69
70			# TODO: Implement tests for CommandRegistry
71
72			# TODO: Implement tests for cycle_dimensions
73			# TODO: Implement tests for cycle_monitors
74			# TODO: Implement tests for move_to_position
75			# TODO: Implement tests for toggle_decorated
76			# TODO: Implement tests for toggle_desktop
77			# TODO: Implement tests for toggle_state
78			# TODO: Implement tests for trigger_keyboard_action
79			# TODO: Implement tests for workspace_go
80			# TODO: Implement tests for workspace_send_window
81
82			class TestEnumSafeDict(unittest.TestCase):
83			"""Tests to ensure EnumSafeDict never compares enums of different types"""
84			def setUp(self):
85			self.thing1 = Thing1(self)
86			self.thing2 = Thing2(self)
87
88			self.test_mappings = [
89			(self.thing1, 'a'),
90			(self.thing2, 'b'),
91			(1, self.thing1),
92			(2, self.thing2)
93			]
94
95			self.empty = EnumSafeDict()
96			self.full = EnumSafeDict(
97			*[dict([x]) for x in self.test_mappings])
98
99			def test_testing_shims(self):
100			"""EnumSafeDict: Testing shims function correctly"""
101			for oper in ('lt', 'le', 'eq', 'ne', 'ge', 'gt'):
102			with self.assertRaises(TypeError):
103			print "Testing %s..." % oper
104			getattr(operator, oper)(self.thing1, self.thing2)
105
106			def test_init_with_content(self):
107			"""EnumSafeDict: Initialization with content"""
108
109			test_map = self.test_mappings[:]
110
111			while test_map:
112			key, val = test_map.pop()
113			self.assertEqual(self.full[key], val,
114			"All things in the input must make it into EnumSafeDict: " +
115			str(key))
116
117			self.assertFalse(test_map, "EnumSafeDict must contain ONLY things from"
118			" the input.")
119
120			def test_get_set_del(self):
121			"""EnumSafeDict: get/set/delitem"""
122
123			# Test the "no matching key" branch of __getitem__
124			with self.assertRaises(KeyError):
125			self.empty['nonexist'] # pylint: disable=pointless-statement
126
127			# Let Thing1 and Thing2 error out if they're compared in __setitem__
128			for key, val in self.test_mappings:
129			self.empty[key] = val
130
131			# Test the "matching key" branch of __getitem__ and __delitem__
132			for key, val in self.test_mappings:
133			assert self.empty[key] == val
134			del self.empty[key]
135			with self.assertRaises(KeyError):
136			self.empty[key] # pylint: disable=pointless-statement
137
138			# TODO: Complete set of tests which try to trick EnumSafeDict into
139			# comparing thing1 and thing2.
140
141
142			# TODO: Implement tests for GravityLayout
143
144			# TODO: Implement tests for KeyBinder
145
146			# TODO: Implement tests for QuickTileApp
147
148			class TestHelpers(unittest.TestCase):
149			"""
150			@todo: Switch to pytest to get the assertEqual readout from assert in
151			bare functions.
152			"""
153			def test_powerset(self):
154			"""Test that powerset() behaves as expected"""
155			src_set = (1, 2, 3)
156			expected = [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)]
157
158			for test_set in (tuple(src_set), list(src_set), set(src_set)):
159			result = list(powerset(test_set))
160
161			# Obvious requirements
162			self.assertIn(tuple(), result)
163			self.assertIn(tuple(test_set), result)
164
165			# Check that only subsets are returned
166			for subset in expected:
167			for item in subset:
168			self.assertIn(item, test_set)
169
170			# Check that ALL subsets are returned
171			# FIXME: This shouldn't enforce an ordering constraint.
172			self.assertEqual(list(powerset([1, 2, 3])), expected)
173
174			# TODO: Test fmt_table
175
176			# TODO: Test _make_positions
177
178			def test_xiniterror_str(self):
179			"""XInitError.__str__ output contains provided text"""
180			self.assertIn("Testing 123", XInitError("Testing 123"))
181
182			class TestWindowGravity(unittest.TestCase):
183			"""Test the equivalence and correctness of L{wm.GRAVITY} values."""
184
185			def setUp(self):
186			# Set up a nice, oddly-shaped fake desktop made from screens
187			# I actually have access to (though not all on the same PC)
188			self.screens = [
189			gtk.gdk.Rectangle(0, 0, 1280, 1024),
190			gtk.gdk.Rectangle(1280, 0, 1280, 1024),
191			gtk.gdk.Rectangle(0, 1024, 1680, 1050),
192			gtk.gdk.Rectangle(1680, 1024, 1440, 900)
193			]
194
195			# TODO: Also work in some fake panel struts
196			self.desktop = gtk.gdk.Region()
197			for rect in self.screens:
198			self.desktop.union_with_rect(rect)
199
200			def test_gravity_equivalence(self):
201			"""Gravity Lookup Table: text/GDK/WNCK constants are equivalent"""
202			for alignment in ('CENTER', 'NORTH', 'NORTH_WEST', 'SOUTH_EAST',
203			'EAST', 'NORTH_EAST', 'SOUTH', 'SOUTH_WEST', 'WEST'):
204			self.assertEqual(wm.GRAVITY[alignment],
205			wm.GRAVITY[getattr(gtk.gdk, 'GRAVITY_{}'.format(alignment))])
206			self.assertEqual(
207			wm.GRAVITY[getattr(wnck, 'WINDOW_GRAVITY_{}'.format(
208			alignment.replace('_', '')))],
209			wm.GRAVITY[getattr(gtk.gdk, 'GRAVITY_{}'.format(
210			alignment))])
211
212			def test_gravity_correctness(self):
213			"""Gravity Lookup Table: Constants have correct percentage values"""
214			for alignment, coords in (
215			('NORTH_WEST', (0, 0)), ('NORTH', (0.5, 0)),
216			('NORTH_EAST', (1.0, 0.0)), ('WEST', (0.0, 0.5)),
217			('CENTER', (0.5, 0.5)), ('EAST', (1, 0.5)),
218			('SOUTH_WEST', (0.0, 1.0)), ('SOUTH', (0.5, 1.0)),
219			('SOUTH_EAST', (1.0, 1.0))):
220			self.assertEqual(wm.GRAVITY[
221			getattr(gtk.gdk, 'GRAVITY_%s' % alignment)], coords)
222
223			class TestWindowManagerDetached(unittest.TestCase):
224			"""Tests which exercise L{wm.WindowManager} without needing X11."""
225
226			def setUp(self):
227			# Shorthand
228			self.WM = wm.WindowManager # pylint: disable=invalid-name
229
230			# Set up a nice, oddly-shaped fake desktop made from screens
231			# I actually have access to (though not all on the same PC)
232			self.screens = [
233			gtk.gdk.Rectangle(0, 0, 1280, 1024),
234			gtk.gdk.Rectangle(1280, 0, 1280, 1024),
235			gtk.gdk.Rectangle(0, 1024, 1680, 1050),
236			gtk.gdk.Rectangle(1680, 1024, 1440, 900)
237			]
238
239			# TODO: Also work in some fake panel struts
240			self.desktop = gtk.gdk.Region()
241			for rect in self.screens:
242			self.desktop.union_with_rect(rect)
243
244			def test_win_gravity_noop(self):
245			"""WindowManager.calc_win_gravity: north-west should be a no-op
246
247			(Might as well use the screen shapes to test this. It saves effort.)
248			"""
249			for rect in [self.desktop.get_clipbox()] + self.screens:
250			self.assertEqual((rect.x, rect.y),
251			self.WM.calc_win_gravity(rect, gtk.gdk.GRAVITY_NORTH_WEST),
252			"NORTHWEST gravity should be a no-op.")
253
254			def test_win_gravity_results(self):
255			"""WindowManager.calc_win_gravity: proper results"""
256			for edge in (100, 200):
257			ehalf = edge / 2
258			for gravity, expect in (
259			('NORTH_WEST', (0, 0)), ('NORTH', (-ehalf, 0)),
260			('NORTH_EAST', (-edge, 0)), ('WEST', (0, -ehalf)),
261			('CENTER', (-ehalf, -ehalf)), ('EAST', (-edge, -ehalf)),
262			('SOUTH_WEST', (0, -edge)), ('SOUTH', (-ehalf, -edge)),
263			('SOUTH_EAST', (-edge, -edge))):
264			rect = gtk.gdk.Rectangle(0, 0, edge, edge)
265			grav = getattr(gtk.gdk, 'GRAVITY_%s' % gravity)
266
267			self.assertEqual(self.WM.calc_win_gravity(rect, grav), expect)
268
269			# TODO: Test the rest of the functionality
270
271			# vim: set sw=4 sts=4 expandtab :
272

ssokolow / quicktile

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TestWindowGravity.test_gravity_equivalence() A

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