79 lines
1.5 KiB
Python
79 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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import pytest
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import pyqtgraph as pg
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from pyqtgraph.Qt import QtCore, QtGui
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def test_Vector_init():
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"""Test construction of Vector objects from a variety of source types."""
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# separate values without z
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v = pg.Vector(0, 1)
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assert v.z() == 0
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v = pg.Vector(0.0, 1.0)
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assert v.z() == 0
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# separate values with 3 args
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v = pg.Vector(0, 1, 2)
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assert v.x() == 0
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assert v.y() == 1
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assert v.z() == 2
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v = pg.Vector(0.0, 1.0, 2.0)
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assert v.x() == 0
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assert v.y() == 1
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assert v.z() == 2
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# all in a list
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v = pg.Vector([0, 1])
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assert v.z() == 0
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v = pg.Vector([0, 1, 2])
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assert v.z() == 2
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# QSizeF
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v = pg.Vector(QtCore.QSizeF(1, 2))
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assert v.x() == 1
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assert v.z() == 0
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# QPoint
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v = pg.Vector(QtCore.QPoint(0, 1))
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assert v.z() == 0
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v = pg.Vector(QtCore.QPointF(0, 1))
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assert v.z() == 0
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# QVector3D
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qv = QtGui.QVector3D(1, 2, 3)
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v = pg.Vector(qv)
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assert v == qv
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with pytest.raises(Exception):
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_ = pg.Vector(1, 2, 3, 4)
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def test_Vector_interface():
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"""Test various aspects of the Vector API."""
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v = pg.Vector(-1, 2)
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# len
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assert len(v) == 3
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# indexing
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assert v[0] == -1
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assert v[2] == 0
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with pytest.raises(IndexError):
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_ = v[4]
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assert v[1] == 2
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v[1] = 5
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assert v[1] == 5
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# iteration
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v2 = pg.Vector(*v)
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assert v2 == v
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assert abs(v).x() == 1
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# angle
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v1 = pg.Vector(1, 0)
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v2 = pg.Vector(1, 1)
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assert abs(v1.angle(v2) - 45) < 0.001
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