def test_venus_geometric_heliocentric_position():
"""Tests the geometric_heliocentric_position() method of Venus class"""
epoch = Epoch(1992, 12, 20.0)
lon, lat, r = Venus.geometric_heliocentric_position(epoch, tofk5=False)
assert abs(round(lon.to_positive(), 5) - 26.11412) < TOL, \
"ERROR: 1st geometric_heliocentric_position() test doesn't match"
assert abs(round(lat, 4) - (-2.6206)) < TOL, \
"ERROR: 2nd geometric_heliocentric_position() test doesn't match"
assert abs(round(r, 6) - 0.724602) < TOL, \
"ERROR: 3rd geometric_heliocentric_position() test doesn't match"
def test_venus_geocentric_position():
"""Tests the geocentric_position() method of Venus class"""
epoch = Epoch(1992, 12, 20.0)
ra, dec, elon = Venus.geocentric_position(epoch)
assert ra.ra_str(n_dec=1) == "21h 4' 41.5''", \
"ERROR: 1st geocentric_position() test doesn't match"
assert dec.dms_str(n_dec=1) == "-18d 53' 16.8''", \
"ERROR: 2nd geocentric_position() test doesn't match"
assert elon.dms_str(n_dec=1) == "44d 46' 8.9''", \
"ERROR: 3rd geocentric_position() test doesn't match"
def test_venus_station_longitude_2():
"""Tests the station_longitude_2() method of Venus class"""
epoch = Epoch(2018, 12, 1.0)
sta2 = Venus.station_longitude_2(epoch)
y, m, d = sta2.get_date()
assert abs(round(y, 0) - 2018) < TOL, \
"ERROR: 1st station_longitude_2() test doesn't match"
assert abs(round(m, 0) - 11) < TOL, \
"ERROR: 2nd station_longitude_2() test doesn't match"
assert abs(round(d, 4) - 16.439) < TOL, \
"ERROR: 3rd station_longitude_2() test doesn't match"
def test_venus_superior_conjunction():
"""Tests the superior_conjunction() method of Venus class"""
epoch = Epoch(1993, 10, 1.0)
conjunction = Venus.superior_conjunction(epoch)
y, m, d = conjunction.get_date()
assert abs(round(y, 0) - 1994) < TOL, \
"ERROR: 1st superior_conjunction() test doesn't match"
assert abs(round(m, 0) - 1) < TOL, \
"ERROR: 2nd superior_conjunction() test doesn't match"
assert abs(round(d, 2) - 17.05) < TOL, \
"ERROR: 3rd superior_conjunction() test doesn't match"
def test_venus_inferior_conjunction():
"""Tests the inferior_conjunction() method of Venus class"""
epoch = Epoch(1882, 12, 1.0)
conjunction = Venus.inferior_conjunction(epoch)
y, m, d = conjunction.get_date()
assert abs(round(y, 0) - 1882) < TOL, \
"ERROR: 1st inferior_conjunction() test doesn't match"
assert abs(round(m, 0) - 12) < TOL, \
"ERROR: 2nd inferior_conjunction() test doesn't match"
assert abs(round(d, 1) - 6.7) < TOL, \
"ERROR: 3rd inferior_conjunction() test doesn't match"
def test_venus_eastern_elongation():
"""Tests the eastern_elongation() method of Venus class"""
epoch = Epoch(2019, 10, 1.0)
time, elongation = Venus.eastern_elongation(epoch)
y, m, d = time.get_date()
assert abs(round(y, 0) - 2020) < TOL, \
"ERROR: 1st eastern_elongation() test doesn't match"
assert abs(round(m, 0) - 3) < TOL, \
"ERROR: 2nd eastern_elongation() test doesn't match"
assert abs(round(d, 4) - 24.9179) < TOL, \
"ERROR: 3rd eastern_elongation() test doesn't match"
assert abs(round(elongation, 4) - 46.078) < TOL, \
"ERROR: 3rd eastern_elongation() test doesn't match"
def test_venus_western_elongation():
"""Tests the western_elongation() method of Venus class"""
epoch = Epoch(2019, 1, 1.0)
time, elongation = Venus.western_elongation(epoch)
y, m, d = time.get_date()
assert abs(round(y, 0) - 2019) < TOL, \
"ERROR: 1st western_elongation() test doesn't match"
assert abs(round(m, 0) - 1) < TOL, \
"ERROR: 2nd western_elongation() test doesn't match"
assert abs(round(d, 4) - 6.1895) < TOL, \
"ERROR: 3rd western_elongation() test doesn't match"
assert abs(round(elongation, 4) - 46.9571) < TOL, \
"ERROR: 4th western_elongation() test doesn't match"
def test_venus_orbital_elements_j2000():
"""Tests the orbital_elements_j2000() method of Venus class"""
epoch = Epoch(2065, 6, 24.0)
l, a, e, i, ome, arg = Venus.orbital_elements_j2000(epoch)
assert abs(round(l, 6) - 337.731227) < TOL, \
"ERROR: 1st orbital_elements_j2000() test doesn't match"
assert abs(round(a, 8) - 0.72332982) < TOL, \
"ERROR: 2nd orbital_elements_j2000() test doesn't match"
assert abs(round(e, 7) - 0.0067407) < TOL, \
"ERROR: 3rd orbital_elements_j2000() test doesn't match"
assert abs(round(i, 6) - 3.394087) < TOL, \
"ERROR: 4th orbital_elements_j2000() test doesn't match"
assert abs(round(ome, 5) - 76.49782) < TOL, \
"ERROR: 5th orbital_elements_j2000() test doesn't match"
assert abs(round(arg, 6) - 55.068476) < TOL, \
"ERROR: 6th orbital_elements_j2000() test doesn't match"
def test_venus_orbital_elements_mean_equinox():
"""Tests the orbital_elements_mean_equinox() method of Venus class"""
epoch = Epoch(2065, 6, 24.0)
l, a, e, i, ome, arg = Venus.orbital_elements_mean_equinox(epoch)
assert abs(round(l, 6) - 338.646306) < TOL, \
"ERROR: 1st orbital_elements_mean_equinox() test doesn't match"
assert abs(round(a, 8) - 0.72332982) < TOL, \
"ERROR: 2nd orbital_elements_mean_equinox() test doesn't match"
assert abs(round(e, 7) - 0.0067407) < TOL, \
"ERROR: 3rd orbital_elements_mean_equinox() test doesn't match"
assert abs(round(i, 6) - 3.395319) < TOL, \
"ERROR: 4th orbital_elements_mean_equinox() test doesn't match"
assert abs(round(ome, 5) - 77.27012) < TOL, \
"ERROR: 5th orbital_elements_mean_equinox() test doesn't match"
assert abs(round(arg, 6) - 55.211257) < TOL, \
"ERROR: 6th orbital_elements_mean_equinox() test doesn't match"