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TST: How about we don't over-engineer a solution

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This commit is contained in:
Eric Dill 2015-07-31 14:39:32 -04:00
parent 2b075560c7
commit 94e457885c
1 changed files with 65 additions and 76 deletions
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141
pyqtgraph/graphicsItems/ViewBox/tests/test_ViewBox.py
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@ -1,84 +1,18 @@
#import PySide
import pyqtgraph as pg
import pytest
QRectF = pg.QtCore.QRectF
qtest = pg.Qt.QtTest.QTest
app = pg.mkQApp()
win = None
vb = None
qtest = pg.Qt.QtTest.QTest
def test_resize():
global app, win, vb
# test resize
win.resize(400, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(0, 0, 10, 10)
size1 = QRectF(0, h, w, -h)
size1 = QRectF(0, h, w, -h)
_assert_mapping(vb, view1, size1)
def test_wide_resize():
global app, win, vb
win.resize(400,400)
vb.setAspectLocked()
# test wide resize
win.resize(800, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(-5, 0, 20, 10)
size1 = QRectF(0, h, w, -h)
_assert_mapping(vb, view1, size1)
def test_tall_resize():
global app, win, vb
# test tall resize
win.resize(400, 800)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(0, -5, 10, 20)
size1 = QRectF(0, h, w, -h)
_assert_mapping(vb, view1, size1)
skipreason = ('unclear why these tests are failing. skipping until someone '
'has time to fix it.')
# @pytest.mark.skipif(True, reason=skipreason)
def test_aspect_ratio_constraint():
# test limits + resize (aspect ratio constraint has priority over limits
win.resize(400, 400)
app.processEvents()
vb.setLimits(xMin=0, xMax=10, yMin=0, yMax=10)
win.resize(800, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(-5, 0, 20, 10)
size1 = QRectF(0, h, w, -h)
_assert_mapping(vb, view1, size1)
def _assert_mapping(vb, r1, r2):
def assertMapping(vb, r1, r2):
assert vb.mapFromView(r1.topLeft()) == r2.topLeft()
assert vb.mapFromView(r1.bottomLeft()) == r2.bottomLeft()
assert vb.mapFromView(r1.topRight()) == r2.topRight()
assert vb.mapFromView(r1.bottomRight()) == r2.bottomRight()
function_set = set([test_resize, test_wide_resize, test_tall_resize,
test_aspect_ratio_constraint])
@pytest.mark.parametrize('function', function_set)
def setup_function(function):
def test_ViewBox():
global app, win, vb
QRectF = pg.QtCore.QRectF
win = pg.GraphicsWindow()
win.ci.layout.setContentsMargins(0,0,0,0)
@ -95,20 +29,75 @@ def setup_function(function):
g = pg.GridItem()
vb.addItem(g)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(0, 0, 10, 10)
size1 = QRectF(0, h, w, -h)
_assert_mapping(vb, view1, size1)
assertMapping(vb, view1, size1)
# test resize
win.resize(400, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
size1 = QRectF(0, h, w, -h)
assertMapping(vb, view1, size1)
# now lock aspect
vb.setAspectLocked()
# test wide resize
win.resize(800, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(-5, 0, 20, 10)
size1 = QRectF(0, h, w, -h)
assertMapping(vb, view1, size1)
@pytest.mark.parametrize('function', function_set)
def teardown_function(function):
global win, vb
win = None
vb = None
# test tall resize
win.resize(400, 800)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(0, -5, 10, 20)
size1 = QRectF(0, h, w, -h)
assertMapping(vb, view1, size1)
def test_limits_and_resize():
global app, win, vb
QRectF = pg.QtCore.QRectF
win = pg.GraphicsWindow()
win.ci.layout.setContentsMargins(0,0,0,0)
win.resize(200, 200)
win.show()
vb = win.addViewBox()
# set range before viewbox is shown
vb.setRange(xRange=[0, 10], yRange=[0, 10], padding=0)
# required to make mapFromView work properly.
qtest.qWaitForWindowShown(win)
g = pg.GridItem()
vb.addItem(g)
app.processEvents()
# now lock aspect
vb.setAspectLocked()
# test limits + resize (aspect ratio constraint has priority over limits
win.resize(400, 400)
app.processEvents()
vb.setLimits(xMin=0, xMax=10, yMin=0, yMax=10)
win.resize(800, 400)
app.processEvents()
w = vb.geometry().width()
h = vb.geometry().height()
view1 = QRectF(-5, 0, 20, 10)
size1 = QRectF(0, h, w, -h)
assertMapping(vb, view1, size1)