def test_Community_from_gdfs_crs():
t90 = datasets.tracts_1990()
t00 = datasets.tracts_2000()
t90 = t90.to_crs(4236)
t00 = t00.to_crs(3857)
try:
Community.from_geodataframes([t90, t00])
except AssertionError:
print("From_gdfs constructor successfully detects inconsistent crs.")
pass
def test_Community_from_gdfs():
t90 = datasets.tracts_1990()
t90 = t90[t90.geoid.str.startswith("11")]
t00 = datasets.tracts_2000()
t00 = t00[t00.geoid.str.startswith("11")]
assert Community.from_geodataframes([t90, t00]).gdf.shape == (380, 192)