def test_relativize_02():
"""Long PAs are converted to long PRs."""
t = [PA([(1, 1), (2, 3), (3, 2)])]
r = relativize(t)
"r = [PR([(1, 2), (1, -1)])]"
assert len(r) == 1
assert isinstance(r[0], PR)
assert r[0].xy == CoordinateArray([(1, 2), (1, -1)])
def test_relativize_02( ):
'''Long PAs are converted to long PRs.'''
t = [PA([(1, 1), (2, 3), (3, 2)])]
r = relativize(t)
'r = [PR([(1, 2), (1, -1)])]'
assert len(r) == 1
assert isinstance(r[0], PR)
assert r[0].xy == CoordinateArray([(1, 2), (1, -1)])
def test_relativize_06():
"""RAs are converted into RRs."""
t = [PR([(1, 2)]), RA((3, 3))]
r = relativize(t)
"[PR((1, 2)), RR((2, 1))]"
assert len(r) == 2
assert isinstance(r[0], PR)
assert isinstance(r[1], RR)
assert r[0].xy == CoordinateArray([(1, 2)])
assert r[1].xy == Coordinate(2, 1)
def test_relativize_04():
"""PUs and PDs are left alone."""
t = [PA([(1, 1)]), PU([(2, 2)]), PU([(3, 2)])]
r = relativize(t)
"r = [PU((2, 2)), PU((3, 2))]"
assert len(r) == 2
assert isinstance(r[0], PU)
assert isinstance(r[1], PU)
assert r[0].xy == CoordinateArray([(2, 2)])
assert r[1].xy == CoordinateArray([(3, 2)])
def test_relativize_01():
"""A sequence or PAs is converted into a sequence or PRs."""
t = [PA([(1, 1)]), PA([(2, 2)]), PA([(3, 2)])]
r = relativize(t)
"r = [PR((1, 1)), PR((1, 0))]"
assert len(r) == len(t) - 1
assert isinstance(r[0], PR)
assert isinstance(r[1], PR)
assert r[0].xy == CoordinateArray([(1, 1)])
assert r[1].xy == CoordinateArray([(1, 0)])
def test_relativize_06( ):
'''RAs are converted into RRs.'''
t = [PR([(1, 2)]), RA((3, 3))]
r = relativize(t)
'[PR((1, 2)), RR((2, 1))]'
assert len(r) == 2
assert isinstance(r[0], PR)
assert isinstance(r[1], RR)
assert r[0].xy == CoordinateArray([(1, 2)])
assert r[1].xy == Coordinate(2, 1)
def test_relativize_04( ):
'''PUs and PDs are left alone.'''
t = [PA([(1, 1)]), PU([(2, 2)]), PU([(3, 2)])]
r = relativize(t)
'r = [PU((2, 2)), PU((3, 2))]'
assert len(r) == 2
assert isinstance(r[0], PU)
assert isinstance(r[1], PU)
assert r[0].xy == CoordinateArray([(2, 2)])
assert r[1].xy == CoordinateArray([(3, 2)])
def test_relativize_01( ):
'''A sequence or PAs is converted into a sequence or PRs.'''
t = [PA([(1, 1)]), PA([(2, 2)]), PA([(3, 2)])]
r = relativize(t)
'r = [PR((1, 1)), PR((1, 0))]'
assert len(r) == len(t) - 1
assert isinstance(r[0], PR)
assert isinstance(r[1], PR)
assert r[0].xy == CoordinateArray([(1, 1)])
assert r[1].xy == CoordinateArray([(1, 0)])
def test_relativize_03():
'''Long PAs are converted to long PRs.'''
t = [PA([(3, 2)]), PA([(1, 1), (2, 3), (3, 2)])]
r = relativize(t)
'r = [PR(-2, -1), PR([(1, 2), (1, -1)])]'
assert len(r) == 2
assert isinstance(r[0], PR)
assert isinstance(r[1], PR)
assert r[0].xy == CoordinateArray([(-2, -1)])
assert r[1].xy == CoordinateArray([(1, 2), (1, -1)])
def test_relativize_05():
'''PUs and PDs are left alone.'''
t = [PA([(1, 1)]), PR([(2, 1)]), PU([(2, 2)]), PU([(3, 2)])]
r = relativize(t)
'r = [PR((2, 1)), PU((2, 2)), PU((3, 2))]'
assert len(r) == 3
assert isinstance(r[0], PR)
assert isinstance(r[1], PU)
assert isinstance(r[2], PU)
assert r[0].xy == CoordinateArray([(2, 1)])
assert r[1].xy == CoordinateArray([(2, 2)])
assert r[2].xy == CoordinateArray([(3, 2)])
