# Path: molmod/test/common.py
# class BaseTestCase(unittest.TestCase):
#     def assertArraysEqual(self, a, b):
#         self.assertEqual(a.shape, b.shape, "The array shapes do not match.")
#         assert (a==b).all(), "The array values do not match."
# 
#     def assertArrayConstant(self, arr, const):
#         assert (arr==const).all(), "Some/All array values do not match the constant."
# 
#     def assertArraysAlmostEqual(self, a, b, threshold=1e-6, mean=False, doabs=False):
#         self.assertEqual(a.shape, b.shape, "The array shapes do not match.")
#         if a.shape == (0,):
#             return
#         if mean:
#             abserr = abs(a-b).mean()
#             oom = 0.5*(abs(a).mean()+abs(b).mean())
#         else:
#             abserr = abs(a-b).max()
#             oom = 0.5*(abs(a).max()+abs(b).max())
#         if doabs:
#             assert abserr <= threshold, "The absolute error is larger than the given threshold: %5.3e > %5.3e" % (abserr, threshold)
#         else:
#             relerr = abserr/oom
#             assert relerr <= threshold, "The relative error is larger than the given threshold: %5.3e > %5.3e" % (relerr, threshold)
# 
#     def assertArrayAlmostConstant(self, arr, const, relerr_threshold):
#         error = abs(arr-const).max()
#         oom = const
#         relerr = error/oom
#         assert relerr <= relerr_threshold, "The relative error is larger than the given threshold: %5.3e > %5.3e" % (relerr, relerr_threshold)
# 
#     def assertArrayAlmostZero(self, arr, abserr_threshold):
#         abserr = abs(arr).max()
#         assert abserr <= abserr_threshold, "The absolute error is larger than the given threshold: %5.3e > %5.3e" % (abserr, abserr_threshold)


import numpy as np
import pytest
        import pylab
from molmod.test.common import BaseTestCase
from molmod import *
        from matplotlib.patches import Circle, Polygon
        from matplotlib.lines import Line2D
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>
#
# --


from __future__ import division




__all__ = ["UnitCellTestCase"]


def get_random_uc(scale=2, num_active=3, min_spacing=0.1):
    while True:
        active = np.random.randint(0, 2, 3).astype(bool)
        if active.sum() == num_active:
            break
    while True:
        try:
            result = UnitCell(np.random.uniform(-scale, scale, (3, 3)), active)
            if not active.any() or result.spacings[active].min() >= min_spacing:
                return result
        except ValueError:
            pass



# Path: molmod/test/common.py
# class BaseTestCase(unittest.TestCase):
#     def assertArraysEqual(self, a, b):
#         self.assertEqual(a.shape, b.shape, "The array shapes do not match.")
#         assert (a==b).all(), "The array values do not match."
# 
#     def assertArrayConstant(self, arr, const):
#         assert (arr==const).all(), "Some/All array values do not match the constant."
# 
#     def assertArraysAlmostEqual(self, a, b, threshold=1e-6, mean=False, doabs=False):
#         self.assertEqual(a.shape, b.shape, "The array shapes do not match.")
#         if a.shape == (0,):
#             return
#         if mean:
#             abserr = abs(a-b).mean()
#             oom = 0.5*(abs(a).mean()+abs(b).mean())
#         else:
#             abserr = abs(a-b).max()
#             oom = 0.5*(abs(a).max()+abs(b).max())
#         if doabs:
#             assert abserr <= threshold, "The absolute error is larger than the given threshold: %5.3e > %5.3e" % (abserr, threshold)
#         else:
#             relerr = abserr/oom
#             assert relerr <= threshold, "The relative error is larger than the given threshold: %5.3e > %5.3e" % (relerr, threshold)
# 
#     def assertArrayAlmostConstant(self, arr, const, relerr_threshold):
#         error = abs(arr-const).max()
#         oom = const
#         relerr = error/oom
#         assert relerr <= relerr_threshold, "The relative error is larger than the given threshold: %5.3e > %5.3e" % (relerr, relerr_threshold)
# 
#     def assertArrayAlmostZero(self, arr, abserr_threshold):
#         abserr = abs(arr).max()
#         assert abserr <= abserr_threshold, "The absolute error is larger than the given threshold: %5.3e > %5.3e" % (abserr, abserr_threshold)


# Path: molmod/test/test_unit_cells.py
import numpy as np
import pytest
        import pylab
from molmod.test.common import BaseTestCase
from molmod import *
        from matplotlib.patches import Circle, Polygon
        from matplotlib.lines import Line2D

# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>
#
# --


from __future__ import division




__all__ = ["UnitCellTestCase"]


def get_random_uc(scale=2, num_active=3, min_spacing=0.1):
    while True:
        active = np.random.randint(0, 2, 3).astype(bool)
        if active.sum() == num_active:
            break
    while True:
        try:
            result = UnitCell(np.random.uniform(-scale, scale, (3, 3)), active)
            if not active.any() or result.spacings[active].min() >= min_spacing:
                return result
        except ValueError:
            pass



class UnitCellTestCase(BaseTestCase):