def test_headingWithoutVariationRepr(self):
"""
A repr of a heading with no variation reports its value and that the
variation is unknown.
"""
heading = base.Heading(1.)
expectedRepr = "<Heading (1.0 degrees, unknown variation)>"
self.assertEqual(repr(heading), expectedRepr)
def test_simple(self):
"""
Tests that a simple heading has a value in decimal degrees, which is
also its value when converted to a float. Its variation, and by
consequence its corrected heading, is C{None}.
"""
h = base.Heading(1.)
self.assertEqual(h.inDecimalDegrees, 1.)
self.assertEqual(float(h), 1.)
self.assertEqual(h.variation, None)
self.assertEqual(h.correctedHeading, None)
def test_zeroHeadingEdgeCase(self):
"""
Headings can be instantiated with a value of 0 and no variation.
"""
base.Heading(0)
def test_valueInequality(self):
"""
Headings with different values compare unequal.
"""
self.assertNotEqual(base.Heading(1.), base.Heading(2.))
def test_valueEquality(self):
"""
Headings with the same values compare equal.
"""
self.assertEqual(base.Heading(1.), base.Heading(1.))
def test_zeroHeading180DegreeVariationEdgeCase(self):
"""
Headings can be instantiated with a value of 0 and a variation of 180
degrees.
"""
base.Heading(0, 180)
