def test_serialize(base):
df = pd.DataFrame({'x': [
base + pd.Timedelta(seconds=i)
for i in np.random.randint(0, 1000, size=10)],
'y': list(range(10)),
'z': pd.date_range('2017', periods=10)})
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_serialize_categoricals(ordered):
df = pd.DataFrame({'x': [1, 2, 3, 4],
'y': pd.Categorical(['c', 'a', 'b', 'a'],
ordered=ordered)})
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
assert df.y.cat.ordered == df2.y.cat.ordered
def test_serialize_categoricals(ordered):
df = pd.DataFrame({
'x': [1, 2, 3, 4],
'y':
pd.Categorical(['c', 'a', 'b', 'a'], ordered=ordered)
})
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
assert df.y.cat.ordered == df2.y.cat.ordered
def test_serialize_multi_index():
df = pd.DataFrame({'x': ['a', 'b', 'c', 'a', 'b', 'c'],
'y': [1, 2, 3, 4, 5, 6],
'z': [7., 8, 9, 10, 11, 12]})
df = df.groupby([df.x, df.y]).sum()
df.index.name = 'foo'
df.columns.name = 'bar'
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_serialize_categoricals(ordered):
frame = pd.DataFrame({'x': [1, 2, 3, 4],
'y': pd.Categorical(['c', 'a', 'b', 'a'],
ordered=ordered)},
index=pd.Categorical(['x', 'y', 'z', 'x'],
ordered=ordered))
frame.index.name = 'foo'
frame.columns.name = 'bar'
for ind, df in [(0, frame), (1, frame.T)]:
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_serialize_multi_index():
df = pd.DataFrame({
'x': ['a', 'b', 'c', 'a', 'b', 'c'],
'y': [1, 2, 3, 4, 5, 6],
'z': [7., 8, 9, 10, 11, 12]
})
df = df.groupby([df.x, df.y]).sum()
df.index.name = 'foo'
df.columns.name = 'bar'
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_serialize_categoricals(ordered):
frame = pd.DataFrame(
{
'x': [1, 2, 3, 4],
'y': pd.Categorical(['c', 'a', 'b', 'a'], ordered=ordered)
},
index=pd.Categorical(['x', 'y', 'z', 'x'], ordered=ordered))
frame.index.name = 'foo'
frame.columns.name = 'bar'
for ind, df in [(0, frame), (1, frame.T)]:
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_serialize(base):
df = pd.DataFrame({
'x': [
base + pd.Timedelta(seconds=i)
for i in np.random.randint(0, 1000, size=10)
],
'y':
list(range(10)),
'z':
pd.date_range('2017', periods=10)
})
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)
def test_other_extension_types():
pytest.importorskip("pandas", minversion="0.25.0")
a = pd.array([pd.Period("2000"), pd.Period("2001")])
df = pd.DataFrame({"A": a})
df2 = deserialize(serialize(df))
tm.assert_frame_equal(df, df2)