12 files changed, 0 insertions, 972 deletions
diff --git a/lib/test/__init__.py b/lib/test/__init__.py
deleted file mode 100644
index 8b13789..0000000
--- a/lib/test/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/lib/test/benchmarks.py b/lib/test/benchmarks.py
deleted file mode 100644
index 91ef8db..0000000
--- a/lib/test/benchmarks.py
+++ /dev/null
@@ -1,39 +0,0 @@
-import os
-import sys
-import time
-
-import numpy as np
-from sphere import *
-from test_util import *
-from test_shared import resolve_imagename
-
-def point_in_poly_lots():
-    image_name = resolve_imagename(ROOT_DIR,'1904-66_TAN.fits')
-    
-    poly1 = SphericalPolygon.from_wcs(image_name, 64, crval=[0, 87])
-    poly2 = SphericalPolygon.from_wcs(image_name, 64, crval=[20, 89])
-    poly3 = SphericalPolygon.from_wcs(image_name, 64, crval=[180, 89])
-
-    points = get_point_set(density=25)
-
-    count = 0
-    for point in points:
-        if poly1.contains_point(point) or poly2.contains_point(point) or \
-               poly3.contains_point(point):
-            count += 1
-
-    assert count == 5
-    assert poly1.intersects_poly(poly2)
-    assert not poly1.intersects_poly(poly3)
-    assert not poly2.intersects_poly(poly3)
-
-if __name__ == '__main__':
-    for benchmark in [point_in_poly_lots]:
-        t = time.time()
-        sys.stdout.write(benchmark.__name__)
-        sys.stdout.write('...')
-        sys.stdout.flush()
-        benchmark()
-        sys.stdout.write(' %.03fs\n' % (time.time() - t))
-        sys.stdout.flush()
-
diff --git a/lib/test/data/1904-66_TAN.fits.gz b/lib/test/data/1904-66_TAN.fits.gz
deleted file mode 100644
index 34ff168..0000000
--- a/lib/test/data/1904-66_TAN.fits.gz
+++ /dev/null
diff --git a/lib/test/data/2chipA.fits.gz b/lib/test/data/2chipA.fits.gz
deleted file mode 100644
index 27a68ab..0000000
--- a/lib/test/data/2chipA.fits.gz
+++ /dev/null
diff --git a/lib/test/data/2chipB.fits.gz b/lib/test/data/2chipB.fits.gz
deleted file mode 100644
index 209d5f9..0000000
--- a/lib/test/data/2chipB.fits.gz
+++ /dev/null
diff --git a/lib/test/data/2chipC.fits.gz b/lib/test/data/2chipC.fits.gz
deleted file mode 100644
index 10af627..0000000
--- a/lib/test/data/2chipC.fits.gz
+++ /dev/null
diff --git a/lib/test/test.py b/lib/test/test.py
deleted file mode 100644
index b551090..0000000
--- a/lib/test/test.py
+++ /dev/null
@@ -1,277 +0,0 @@
-from __future__ import absolute_import
-
-import os
-import random
-
-import numpy as np
-from numpy.testing import assert_almost_equal, assert_array_less
-
-from .. import graph
-from .. import great_circle_arc
-from .. import polygon
-from .. import vector
-
-from .test_util import *
-from .test_shared import resolve_imagename
-
-graph.DEBUG = True
-
-
-def test_normalize_vector():
-    x, y, z = np.ogrid[-100:100:11,-100:100:11,-100:100:11]
-    xn, yn, zn = vector.normalize_vector(x.flatten(), y.flatten(), z.flatten())
-    l = np.sqrt(xn ** 2 + yn ** 2 + zn ** 2)
-    assert_almost_equal(l, 1.0)
-
-
-def test_radec_to_vector():
-    npx, npy, npz = vector.radec_to_vector(np.arange(-360, 360, 1), 90)
-    assert_almost_equal(npx, 0.0)
-    assert_almost_equal(npy, 0.0)
-    assert_almost_equal(npz, 1.0)
-
-    spx, spy, spz = vector.radec_to_vector(np.arange(-360, 360, 1), -90)
-    assert_almost_equal(spx, 0.0)
-    assert_almost_equal(spy, 0.0)
-    assert_almost_equal(spz, -1.0)
-
-    eqx, eqy, eqz = vector.radec_to_vector(np.arange(-360, 360, 1), 0)
-    assert_almost_equal(eqz, 0.0)
-
-
-def test_vector_to_radec():
-    ra, dec = vector.vector_to_radec(0, 0, 1)
-    assert_almost_equal(dec, 90)
-
-    ra, dec = vector.vector_to_radec(0, 0, -1)
-    assert_almost_equal(dec, -90)
-
-    ra, dec = vector.vector_to_radec(1, 1, 0)
-    assert_almost_equal(ra, 45.0)
-    assert_almost_equal(dec, 0.0)
-
-
-def test_intersects_poly_simple():
-    ra1 = [-10, 10, 10, -10, -10]
-    dec1 = [30, 30, 0, 0, 30]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = [-5, 15, 15, -5, -5]
-    dec2 = [20, 20, -10, -10, 20]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-    # Make sure it isn't order-dependent
-    ra1 = ra1[::-1]
-    dec1 = dec1[::-1]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = ra2[::-1]
-    dec2 = dec2[::-1]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-
-def test_intersects_poly_fully_contained():
-    ra1 = [-10, 10, 10, -10, -10]
-    dec1 = [30, 30, 0, 0, 30]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = [-5, 5, 5, -5, -5]
-    dec2 = [20, 20, 10, 10, 20]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-    # Make sure it isn't order-dependent
-    ra1 = ra1[::-1]
-    dec1 = dec1[::-1]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = ra2[::-1]
-    dec2 = dec2[::-1]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-
-def test_hard_intersects_poly():
-    ra1 = [-10, 10, 10, -10, -10]
-    dec1 = [30, 30, 0, 0, 30]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = [-20, 20, 20, -20, -20]
-    dec2 = [20, 20, 10, 10, 20]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-    # Make sure it isn't order-dependent
-    ra1 = ra1[::-1]
-    dec1 = dec1[::-1]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = ra2[::-1]
-    dec2 = dec2[::-1]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert poly1.intersects_poly(poly2)
-
-
-def test_not_intersects_poly():
-    ra1 = [-10, 10, 10, -10, -10]
-    dec1 = [30, 30, 5, 5, 30]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = [-20, 20, 20, -20, -20]
-    dec2 = [-20, -20, -10, -10, -20]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert not poly1.intersects_poly(poly2)
-
-    # Make sure it isn't order-dependent
-    ra1 = ra1[::-1]
-    dec1 = dec1[::-1]
-    poly1 = polygon.SphericalPolygon.from_radec(ra1, dec1)
-
-    ra2 = ra2[::-1]
-    dec2 = dec2[::-1]
-    poly2 = polygon.SphericalPolygon.from_radec(ra2, dec2)
-
-    assert not poly1.intersects_poly(poly2)
-
-
-def test_point_in_poly():
-    point = np.asarray([-0.27475449, 0.47588873, -0.83548781])
-    points = np.asarray([[ 0.04821217, -0.29877206, 0.95310589],
-                         [ 0.04451801, -0.47274119, 0.88007608],
-                         [-0.14916503, -0.46369786, 0.87334649],
-                         [-0.16101648, -0.29210164, 0.94273555],
-                         [ 0.04821217, -0.29877206, 0.95310589]])
-    inside = np.asarray([-0.03416009, -0.36858623, 0.9289657])
-    poly = polygon.SphericalPolygon(points, inside)
-    assert not poly.contains_point(point)
-
-
-def test_point_in_poly_lots():
-    import pyfits
-    fits = pyfits.open(resolve_imagename(ROOT_DIR, '1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[0, 87])
-    poly2 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[20, 89])
-    poly3 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[180, 89])
-
-    points = get_point_set()
-    count = 0
-    for point in points:
-        if poly1.contains_point(point) or poly2.contains_point(point) or \
-               poly3.contains_point(point):
-            count += 1
-
-    assert count == 5
-    assert poly1.intersects_poly(poly2)
-    assert not poly1.intersects_poly(poly3)
-    assert not poly2.intersects_poly(poly3)
-
-
-def test_great_circle_arc_intersection():
-    A = [-10, -10]
-    B = [10, 10]
-
-    C = [-25, 10]
-    D = [15, -10]
-
-    E = [-20, 40]
-    F = [20, 40]
-
-    correct = [0.99912414, -0.02936109, -0.02981403]
-
-    A = vector.radec_to_vector(*A)
-    B = vector.radec_to_vector(*B)
-    C = vector.radec_to_vector(*C)
-    D = vector.radec_to_vector(*D)
-    E = vector.radec_to_vector(*E)
-    F = vector.radec_to_vector(*F)
-
-    assert great_circle_arc.intersects(A, B, C, D)
-    r = great_circle_arc.intersection(A, B, C, D)
-    assert r.shape == (3,)
-    assert_almost_equal(r, correct)
-
-    assert np.all(great_circle_arc.intersects([A], [B], [C], [D]))
-    r = great_circle_arc.intersection([A], [B], [C], [D])
-    assert r.shape == (1, 3)
-    assert_almost_equal(r, [correct])
-
-    assert np.all(great_circle_arc.intersects([A], [B], C, D))
-    r = great_circle_arc.intersection([A], [B], C, D)
-    assert r.shape == (1, 3)
-    assert_almost_equal(r, [correct])
-
-    assert not np.all(great_circle_arc.intersects([A, E], [B, F], [C], [D]))
-    r = great_circle_arc.intersection([A, E], [B, F], [C], [D])
-    assert r.shape == (2, 3)
-    assert_almost_equal(r[0], correct)
-    assert np.all(np.isnan(r[1]))
-
-    # Test parallel arcs
-    r = great_circle_arc.intersection(A, B, A, B)
-    assert np.all(np.isnan(r))
-
-
-def test_great_circle_arc_length():
-    A = [90, 0]
-    B = [-90, 0]
-    A = vector.radec_to_vector(*A)
-    B = vector.radec_to_vector(*B)
-    assert great_circle_arc.length(A, B) == 180.0
-
-    A = [135, 0]
-    B = [-90, 0]
-    A = vector.radec_to_vector(*A)
-    B = vector.radec_to_vector(*B)
-    assert great_circle_arc.length(A, B) == 135.0
-
-    A = [0, 0]
-    B = [0, 90]
-    A = vector.radec_to_vector(*A)
-    B = vector.radec_to_vector(*B)
-    assert great_circle_arc.length(A, B) == 90.0
-
-
-def test_great_circle_arc_angle():
-    A = [1, 0, 0]
-    B = [0, 1, 0]
-    C = [0, 0, 1]
-    assert great_circle_arc.angle(A, B, C) == 90.0
-
-    # TODO: More angle tests
-
-
-def test_cone():
-    random.seed(0)
-    for i in range(50):
-        ra = random.randrange(-180, 180)
-        dec = random.randrange(20, 90)
-        cone = polygon.SphericalPolygon.from_cone(ra, dec, 8, steps=64)
-
-
-def test_area():
-    triangles = [
-        ([[90, 0], [0, -45], [0, 45], [90, 0]], np.pi * 0.5),
-        ([[90, 0], [0, -22.5], [0, 22.5], [90, 0]], np.pi * 0.25),
-        ([[90, 0], [0, -11.25], [0, 11.25], [90, 0]], np.pi * 0.125)
-        ]
-
-    for tri, area in triangles:
-        tri = np.array(tri)
-        x, y, z = vector.radec_to_vector(tri[:,1], tri[:,0])
-        points = np.dstack((x, y, z))[0]
-        poly = polygon.SphericalPolygon(points)
-        calc_area = poly.area()
diff --git a/lib/test/test_intersection.py b/lib/test/test_intersection.py
deleted file mode 100644
index 6dacb3d..0000000
--- a/lib/test/test_intersection.py
+++ /dev/null
@@ -1,189 +0,0 @@
-from __future__ import print_function, absolute_import
-
-# STDLIB
-import functools
-import itertools
-import math
-import os
-import random
-import sys
-
-# THIRD-PARTY
-import numpy as np
-from numpy.testing import assert_array_almost_equal
-
-# LOCAL
-from .. import polygon
-from .test_shared import resolve_imagename
-
-GRAPH_MODE = False
-ROOT_DIR = os.path.join(os.path.dirname(__file__), 'data')
-
-
-class intersection_test:
-    def __init__(self, lon_0, lat_0, proj='ortho'):
-        self._lon_0 = lon_0
-        self._lat_0 = lat_0
-        self._proj = proj
-
-    def __call__(self, func):
-        @functools.wraps(func)
-        def run(*args, **kwargs):
-            if GRAPH_MODE:
-                from mpl_toolkits.basemap import Basemap
-                from matplotlib import pyplot as plt
-
-            polys = func(*args, **kwargs)
-
-            intersections = []
-            num_permutations = math.factorial(len(polys))
-            step_size = int(max(float(num_permutations) / 20.0, 1.0))
-
-            areas = [x.area() for x in polys]
-
-            if GRAPH_MODE:
-                print("%d permutations" % num_permutations)
-            for method in ('parallel', 'serial'):
-                for i, permutation in enumerate(
-                    itertools.islice(
-                        itertools.permutations(polys),
-                        None, None, step_size)):
-                    filename = '%s_%s_intersection_%04d.svg' % (
-                        func.__name__, method, i)
-                    print(filename)
-
-                    intersection = polygon.SphericalPolygon.multi_intersection(
-                        permutation, method=method)
-                    intersections.append(intersection)
-                    intersection_area = intersection.area()
-                    if GRAPH_MODE:
-                        fig = plt.figure()
-                        m = Basemap(projection=self._proj,
-                                    lon_0=self._lon_0,
-                                    lat_0=self._lat_0)
-                        m.drawparallels(np.arange(-90., 90., 20.))
-                        m.drawmeridians(np.arange(0., 420., 20.))
-                        m.drawmapboundary(fill_color='white')
-
-                        intersection.draw(m, color='red', linewidth=3)
-                        for poly in permutation:
-                            poly.draw(m, color='blue', alpha=0.5)
-                        plt.savefig(filename)
-                        fig.clear()
-
-                    assert np.all(intersection_area * 0.9 <= areas)
-
-            lengths = np.array([len(x._points) for x in intersections])
-            assert np.all(lengths == [lengths[0]])
-            areas = np.array([x.area() for x in intersections])
-            assert_array_almost_equal(areas, areas[0], decimal=1)
-
-        return run
-
-
-@intersection_test(0, 90)
-def test1():
-    import pyfits
-    import os
-
-    fits = pyfits.open(resolve_imagename(ROOT_DIR,'1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[0, 87])
-    poly2 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[20, 89])
-
-    return [poly1, poly2]
-
-
-@intersection_test(0, 90)
-def test2():
-    poly1 = polygon.SphericalPolygon.from_cone(0, 60, 8, steps=16)
-    poly2 = polygon.SphericalPolygon.from_cone(0, 68, 8, steps=16)
-    poly3 = polygon.SphericalPolygon.from_cone(12, 66, 8, steps=16)
-    return [poly1, poly2, poly3]
-
-
-@intersection_test(0, 90)
-def test3():
-    import pyfits
-    fits = pyfits.open(resolve_imagename(ROOT_DIR, '1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[0, 87])
-    poly3 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[175, 89])
-
-    return [poly1, poly3]
-
-
-def test4():
-    import pyfits
-    import pywcs
-
-    A = pyfits.open(os.path.join(ROOT_DIR, '2chipA.fits.gz'))
-    B = pyfits.open(os.path.join(ROOT_DIR, '2chipB.fits.gz'))
-
-    wcs = pywcs.WCS(A[1].header, fobj=A)
-    chipA1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(A[4].header, fobj=A)
-    chipA2 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(B[1].header, fobj=B)
-    chipB1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(B[4].header, fobj=B)
-    chipB2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    Apoly = chipA1.union(chipA2)
-    Bpoly = chipB1.union(chipB2)
-
-    X = Apoly.intersection(Bpoly)
-
-
-def test5():
-    import pyfits
-    import pywcs
-
-    A = pyfits.open(os.path.join(ROOT_DIR, '2chipA.fits.gz'))
-    B = pyfits.open(os.path.join(ROOT_DIR, '2chipB.fits.gz'))
-
-    wcs = pywcs.WCS(A[1].header, fobj=A)
-    chipA1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(A[4].header, fobj=A)
-    chipA2 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(B[1].header, fobj=B)
-    chipB1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(B[4].header, fobj=B)
-    chipB2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    Apoly = chipA1.union(chipA2)
-    Bpoly = chipB1.union(chipB2)
-
-    Apoly.overlap(chipB1)
-
-
-@intersection_test(0, 90)
-def test6():
-    import pyfits
-    fits = pyfits.open(resolve_imagename(ROOT_DIR, '1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1)
-    poly2 = polygon.SphericalPolygon.from_wcs(
-        header, 1)
-
-    return [poly1, poly2]
-
-
-if __name__ == '__main__':
-    if '--profile' not in sys.argv:
-        GRAPH_MODE = True
-        from mpl_toolkits.basemap import Basemap
-        from matplotlib import pyplot as plt
-
-    functions = [(k, v) for k, v in globals().items() if k.startswith('test')]
-    functions.sort()
-    for k, v in functions:
-        v()
diff --git a/lib/test/test_shared.py b/lib/test/test_shared.py
deleted file mode 100644
index 0853d3a..0000000
--- a/lib/test/test_shared.py
+++ /dev/null
@@ -1,12 +0,0 @@
-import os
-
-def resolve_imagename(ROOT_DIR, base_name):
-    """Resolve image name for tests."""
-
-    image_name = os.path.join(ROOT_DIR, base_name)
-
-    # Is it zipped?
-    if not os.path.exists(image_name):
-        image_name = image_name.replace('.fits', '.fits.gz')
-
-    return image_name
diff --git a/lib/test/test_skyline.py b/lib/test/test_skyline.py
deleted file mode 100644
index 929f0ba..0000000
--- a/lib/test/test_skyline.py
+++ /dev/null
@@ -1,225 +0,0 @@
-"""
-SkyLine tests.
-
-:Author: Pey Lian Lim
-
-:Organization: Space Telescope Science Institute
-
-Examples
---------
->>> cd path/to/project
->>> nosetests
-
-"""
-from __future__ import absolute_import
-
-from copy import copy
-from numpy.testing import assert_almost_equal
-
-from ..vector import vector_to_radec
-from ..polygon import SphericalPolygon
-from ..skyline import SkyLine
-
-from .test_util import ROOT_DIR
-from .test_shared import resolve_imagename
-
-
-#---------------------------------------#
-# Load footprints used by all the tests #
-#---------------------------------------#
-f_2chipA  = resolve_imagename(ROOT_DIR, '2chipA.fits') # ACS/WFC #1
-im_2chipA = SkyLine(f_2chipA)
-f_2chipB  = resolve_imagename(ROOT_DIR, '2chipB.fits') # ACS/WFC #2
-im_2chipB = SkyLine(f_2chipB)
-f_2chipC  = resolve_imagename(ROOT_DIR, '2chipC.fits') # WFC3/UVIS
-im_2chipC = SkyLine(f_2chipC)
-f_66_tan  = resolve_imagename(ROOT_DIR, '1904-66_TAN.fits')
-im_66_tan = SkyLine(f_66_tan, extname='primary')
-
-
-#----- SHARED FUNCTIONS -----
-
-def same_members(mem1, mem2):
-    assert len(mem1) == len(mem2)
-
-    for m in mem1:
-        assert m in mem2
-
-    for m in mem2:
-        assert m in mem1
-
-def subset_members(mem_child, mem_parent):
-    assert len(mem_parent) > len(mem_child)
-
-    for m in mem_child:
-        assert m in mem_parent
-
-def subset_polygon(p_child, p_parent):
-    """Overlap not working. Do this instead until fixed."""
-    assert p_parent.area() >= p_child.area()
-    assert p_parent.contains_point(p_child.inside)
-
-def no_polygon(p_child, p_parent):
-    """Overlap not working. Do this instead until fixed."""
-    assert not p_parent.contains_point(p_child.inside)
-
-
-#----- MEMBERSHIP -----
-
-def do_member_overlap(im):
-    for m in im.members:
-        assert_almost_equal(m.polygon.overlap(im), 1.0)
-
-def test_membership():
-    do_member_overlap(im_2chipA)
-    do_member_overlap(im_2chipB)
-    do_member_overlap(im_66_tan)
-
-    assert len(im_2chipA.members) == 1
-    assert im_2chipA.members[0].fname == f_2chipA
-    assert im_2chipA.members[0].ext == (1,4)
-
-
-#----- COPY -----
-
-def test_copy():
-    a_copy = copy(im_2chipA)
-    assert a_copy is not im_2chipA
-
-
-#----- SPHERICAL POLYGON RELATED -----
-
-def test_sphericalpolygon():
-    assert im_2chipA.contains_point(im_2chipA.inside)
-    
-    assert im_2chipA.intersects_poly(im_2chipB.polygon)
-    
-    assert im_2chipA.intersects_arc(im_2chipA.inside, im_2chipB.inside)
-    
-    assert im_2chipA.overlap(im_2chipB) < im_2chipA.overlap(im_2chipA)
-    
-    assert_almost_equal(im_2chipA.area(), im_2chipB.area())
-
-    ra_A, dec_A = im_2chipA.to_radec()
-    for i in xrange(len(im_2chipA.points)):
-        p = im_2chipA.points[i]
-        ra, dec = vector_to_radec(p[0], p[1], p[2], degrees=True)
-        assert_almost_equal(ra_A[i], ra)
-        assert_almost_equal(dec_A[i], dec)
-
-
-#----- WCS -----
-
-def test_wcs():
-    wcs = im_2chipA.to_wcs()
-    new_p = SphericalPolygon.from_wcs(wcs)
-    subset_polygon(im_2chipA, new_p)
-
-
-#----- UNION -----
-
-def do_add_image(im1, im2):
-    u1 = im1.add_image(im2)
-    u2 = im2.add_image(im1)
-
-    assert u1.same_points_as(u2)
-    same_members(u1.members, u2.members)
-
-    all_mems = im1.members + im2.members
-    same_members(u1.members, all_mems)
-
-    subset_polygon(im1, u1)
-    subset_polygon(im2, u1)
-
-def test_add_image():
-    # Dithered
-    do_add_image(im_2chipA, im_2chipB)
-
-    # Not related
-    do_add_image(im_2chipA, im_66_tan)
-
-
-#----- INTERSECTION -----
-
-def do_intersect_image(im1, im2):
-    i1 = im1.find_intersection(im2)
-    i2 = im2.find_intersection(im1)
-
-    assert i1.same_points_as(i2)
-    same_members(i1.members, i2.members)
-
-    if len(i1.points) > 0:
-        subset_members(im1.members, i1.members)
-        subset_members(im2.members, i1.members)
-    
-        subset_polygon(i1, im1)
-        subset_polygon(i1, im2)
-
-def test_find_intersection():   
-    # Dithered
-    do_intersect_image(im_2chipA, im_2chipB)
-
-    # Not related
-    do_intersect_image(im_2chipA, im_66_tan)
-
-
-#----- SKYLINE OVERLAP -----
-
-def test_max_overlap():
-    max_s, max_a = im_2chipA.find_max_overlap([im_2chipB, im_2chipC, im_66_tan])
-    assert max_s is im_2chipB
-    assert_almost_equal(max_a, im_2chipA.intersection(im_2chipB).area())
-
-    max_s, max_a = im_2chipA.find_max_overlap([im_2chipB, im_2chipA])
-    assert max_s is im_2chipA
-    assert_almost_equal(max_a, im_2chipA.area())
-
-def test_max_overlap_pair():
-    assert SkyLine.max_overlap_pair(
-        [im_2chipB, im_2chipC, im_2chipA, im_66_tan]) == (im_2chipB, im_2chipA)
-
-    assert SkyLine.max_overlap_pair([im_2chipC, im_2chipA, im_66_tan]) is None
-
-
-#----- INTENDED USE CASE -----
-
-def test_science_1():
-    mos, inc, exc = SkyLine.mosaic([im_2chipA, im_2chipB, im_2chipC, im_66_tan])
-
-    assert inc == [f_2chipA, f_2chipB]
-    assert exc == [f_2chipC, f_66_tan]
-
-    subset_polygon(im_2chipA, mos)
-    subset_polygon(im_2chipB, mos)
-
-    no_polygon(im_2chipC, mos)
-    no_polygon(im_66_tan, mos)
-
-def test_science_2():
-    """Like `test_science_1` but different input order."""
-    mos, inc, exc = SkyLine.mosaic([im_2chipB, im_66_tan, im_2chipC, im_2chipA])
-
-    assert inc == [f_2chipB, f_2chipA]
-    assert exc == [f_66_tan, f_2chipC]
-
-    subset_polygon(im_2chipA, mos)
-    subset_polygon(im_2chipB, mos)
-
-    no_polygon(im_2chipC, mos)
-    no_polygon(im_66_tan, mos)
-
-
-#----- UNSTABLE -----
-
-def DISABLED_unstable_overlap():
-    i1 = im_2chipA.find_intersection(im_2chipB)
-    i2 = im_2chipB.find_intersection(im_2chipA)
-    
-    u1 = im_2chipA.add_image(im_2chipB)
-    u2 = im_2chipB.add_image(im_2chipA)
-
-    # failed here before - known bug
-    # failure not always the same due to hash mapping
-    assert_almost_equal(i1.overlap(u1), 1.0)
-    assert_almost_equal(i1.overlap(i2), 1.0)
-    assert_almost_equal(u1.overlap(u2), 1.0)
diff --git a/lib/test/test_union.py b/lib/test/test_union.py
deleted file mode 100644
index 4b649f6..0000000
--- a/lib/test/test_union.py
+++ /dev/null
@@ -1,215 +0,0 @@
-from __future__ import print_function, absolute_import
-
-# STDLIB
-import functools
-import itertools
-import math
-import os
-import random
-import sys
-
-# THIRD-PARTY
-import numpy as np
-from numpy.testing import assert_array_almost_equal
-
-# LOCAL
-from .. import polygon
-from .test_shared import resolve_imagename
-
-GRAPH_MODE = False
-ROOT_DIR = os.path.join(os.path.dirname(__file__), 'data')
-
-
-class union_test:
-    def __init__(self, lon_0, lat_0, proj='ortho'):
-        self._lon_0 = lon_0
-        self._lat_0 = lat_0
-        self._proj = proj
-
-    def __call__(self, func):
-        @functools.wraps(func)
-        def run(*args, **kwargs):
-            if GRAPH_MODE:
-                from mpl_toolkits.basemap import Basemap
-                from matplotlib import pyplot as plt
-
-            polys = func(*args, **kwargs)
-
-            unions = []
-            num_permutations = math.factorial(len(polys))
-            step_size = int(max(float(num_permutations) / 20.0, 1.0))
-            if GRAPH_MODE:
-                print("%d permutations" % num_permutations)
-
-            areas = [x.area() for x in polys]
-
-            for i, permutation in enumerate(
-                    itertools.islice(
-                    itertools.permutations(polys),
-                    None, None, step_size)):
-                filename = '%s_union_%04d.svg' % (
-                    func.__name__, i)
-                print(filename)
-
-                union = polygon.SphericalPolygon.multi_union(
-                    permutation)
-                unions.append(union)
-                union_area = union.area()
-                print(union._points)
-                print(permutation[0]._points)
-
-                if GRAPH_MODE:
-                    fig = plt.figure()
-                    m = Basemap(projection=self._proj,
-                                lon_0=self._lon_0,
-                                lat_0=self._lat_0)
-                    m.drawmapboundary(fill_color='white')
-                    m.drawparallels(np.arange(-90., 90., 20.))
-                    m.drawmeridians(np.arange(0., 420., 20.))
-
-                    union.draw(m, color='red', linewidth=3)
-                    for poly in permutation:
-                        poly.draw(m, color='blue', alpha=0.5)
-                    plt.savefig(filename)
-                    fig.clear()
-
-                print(union_area, areas)
-                assert np.all(union_area * 1.1 >= areas)
-
-            lengths = np.array([len(x._points) for x in unions])
-            assert np.all(lengths == [lengths[0]])
-            areas = np.array([x.area() for x in unions])
-            assert_array_almost_equal(areas, areas[0], 1)
-
-        return run
-
-
-@union_test(0, 90)
-def test1():
-    import pyfits
-    fits = pyfits.open(resolve_imagename(ROOT_DIR, '1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[0, 87])
-    poly2 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[20, 89])
-    poly3 = polygon.SphericalPolygon.from_wcs(
-        header, 1, crval=[175, 89])
-    poly4 = polygon.SphericalPolygon.from_cone(
-        90, 70, 10, steps=50)
-
-    return [poly1, poly2, poly3, poly4]
-
-
-@union_test(0, 90)
-def test2():
-    poly1 = polygon.SphericalPolygon.from_cone(0, 60, 7, steps=16)
-    poly2 = polygon.SphericalPolygon.from_cone(0, 72, 7, steps=16)
-    poly3 = polygon.SphericalPolygon.from_cone(20, 60, 7, steps=16)
-    poly4 = polygon.SphericalPolygon.from_cone(20, 72, 7, steps=16)
-    poly5 = polygon.SphericalPolygon.from_cone(35, 55, 7, steps=16)
-    poly6 = polygon.SphericalPolygon.from_cone(60, 60, 3, steps=16)
-    return [poly1, poly2, poly3, poly4, poly5, poly6]
-
-
-@union_test(0, 90)
-def test3():
-    random.seed(0)
-    polys = []
-    for i in range(10):
-        polys.append(polygon.SphericalPolygon.from_cone(
-            random.randrange(-180, 180),
-            random.randrange(20, 90),
-            random.randrange(5, 16),
-            steps=16))
-    return polys
-
-
-@union_test(0, 15)
-def test4():
-    random.seed(64)
-    polys = []
-    for i in range(10):
-        polys.append(polygon.SphericalPolygon.from_cone(
-            random.randrange(-30, 30),
-            random.randrange(-15, 60),
-            random.randrange(5, 16),
-            steps=16))
-    return polys
-
-
-def test5():
-    import pyfits
-    import pywcs
-
-    A = pyfits.open(os.path.join(ROOT_DIR, '2chipA.fits.gz'))
-
-    wcs = pywcs.WCS(A[1].header, fobj=A)
-    chipA1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(A[4].header, fobj=A)
-    chipA2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    null_union = chipA1.union(chipA2)
-
-
-def test6():
-    import pyfits
-    import pywcs
-
-    A = pyfits.open(os.path.join(ROOT_DIR, '2chipC.fits.gz'))
-
-    wcs = pywcs.WCS(A[1].header, fobj=A)
-    chipA1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(A[4].header, fobj=A)
-    chipA2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    null_union = chipA1.union(chipA2)
-
-
-@union_test(0, 90)
-def test7():
-    import pyfits
-    import pywcs
-
-    A = pyfits.open(os.path.join(ROOT_DIR, '2chipA.fits.gz'))
-
-    wcs = pywcs.WCS(A[1].header, fobj=A)
-    chipA1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(A[4].header, fobj=A)
-    chipA2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    B = pyfits.open(os.path.join(ROOT_DIR, '2chipB.fits.gz'))
-
-    wcs = pywcs.WCS(B[1].header, fobj=B)
-    chipB1 = polygon.SphericalPolygon.from_wcs(wcs)
-    wcs = pywcs.WCS(B[4].header, fobj=B)
-    chipB2 = polygon.SphericalPolygon.from_wcs(wcs)
-
-    return [chipA1, chipA2, chipB1, chipB2]
-
-
-@union_test(0, 90)
-def test8():
-    import pyfits
-    fits = pyfits.open(resolve_imagename(ROOT_DIR, '1904-66_TAN.fits'))
-    header = fits[0].header
-
-    poly1 = polygon.SphericalPolygon.from_wcs(
-        header, 1)
-    poly2 = polygon.SphericalPolygon.from_wcs(
-        header, 1)
-
-    return [poly1, poly2]
-
-
-if __name__ == '__main__':
-    if '--profile' not in sys.argv:
-        GRAPH_MODE = True
-        from mpl_toolkits.basemap import Basemap
-        from matplotlib import pyplot as plt
-
-    functions = [(k, v) for k, v in globals().items() if k.startswith('test')]
-    functions.sort()
-    for k, v in functions:
-        v()
diff --git a/lib/test/test_util.py b/lib/test/test_util.py
deleted file mode 100644
index 6dc0393..0000000
--- a/lib/test/test_util.py
+++ /dev/null
@@ -1,14 +0,0 @@
-import os
-
-import numpy as np
-from .. import vector
-
-ROOT_DIR = os.path.join(os.path.dirname(__file__), 'data')
-
-def get_point_set(density=25):
-    points = []
-    for i in np.linspace(-85, 85, density, True):
-        for j in np.linspace(-180, 180, np.cos(np.deg2rad(i)) * density):
-            points.append([j, i])
-    points = np.asarray(points)
-    return np.dstack(vector.radec_to_vector(points[:,0], points[:,1]))[0]