def _test_coord_samples(self, coord, examples):
"""
Runs the coord building on a set of
dist, angle, torsion values.
"""
for dis, ang, tor in examples:
vec1, vec2, vec3 = coord
vec4 = build_coord(vec1, vec2, vec3, dis, ang, tor)
result = self._measure(vec1, vec2, vec3, vec4)
self.assertDistance(result, dis)
self.assertAngle(result, ang)
self.assertTorsion(result, tor)
def test_distance(self):
"""Checks whether the distance is OK."""
vec1, vec2, vec3 = self.sample_coord
vec4 = build_coord(vec1, vec2, vec3, 2.34, 90.0, 0.0)
result = self._measure(vec1, vec2, vec3, vec4)
self.assertDistance(result, 2.34)
def test_build_coord(self):
"""Checks whether the P+O5' atoms are constructed."""
vec1, vec2, vec3 = self.sample_coord
vec4 = build_coord(vec1, vec2, vec3, 1.0, 90.0, 0)
self.assertTrue(isinstance(vec4, Vector))
def test_dihedral(self):
"""Checks whether the torsion angle is OK."""
vec1, vec2, vec3 = self.sample_coord
vec4 = build_coord(vec1, vec2, vec3, 1.0, 90.0, 90.0)
result = self._measure(vec1, vec2, vec3, vec4)
self.assertTorsion(result, 90.0)
def test_angle(self):
"""Checks whether the angle is OK."""
vec1, vec2, vec3 = self.sample_coord
vec4 = build_coord(vec1, vec2, vec3, 1.0, 90.0, 0.0)
result = self._measure(vec1, vec2, vec3, vec4)
self.assertAngle(result, 90.0)
