def test_ray_concat_on_column():
df, df2 = generate_dfs()
ray_df, ray_df2 = from_pandas(df, 2), from_pandas(df2, 2)
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2], axis=1),
pandas.concat([df, df2], axis=1))
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2], axis="columns"),
pandas.concat([df, df2], axis="columns"))
def test_ray_concat_on_index():
df, df2 = generate_dfs()
ray_df, ray_df2 = from_pandas(df, 2), from_pandas(df2, 2)
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2], axis='index'),
pandas.concat([df, df2], axis='index'))
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2], axis='rows'),
pandas.concat([df, df2], axis='rows'))
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2], axis=0),
pandas.concat([df, df2], axis=0))
def test_mixed_none_concat():
df, df2 = generate_none_dfs()
df3 = df.copy()
mixed_dfs = [from_pandas(df, 2), from_pandas(df2, 2), df3]
assert (ray_df_equals_pandas(pd.concat(mixed_dfs),
pandas.concat([df, df2, df3])))
def test_mixed_inner_concat():
df, df2 = generate_dfs()
df3 = df.copy()
mixed_dfs = [from_pandas(df, 2), from_pandas(df2, 2), df3]
assert (ray_df_equals_pandas(pd.concat(mixed_dfs, join='inner'),
pandas.concat([df, df2, df3], join='inner')))
def test_invalid_axis_errors():
df, df2 = generate_dfs()
ray_df, ray_df2 = from_pandas(df, 2), from_pandas(df2, 2)
with pytest.raises(ValueError):
pd.concat([ray_df, ray_df2], axis=2)
def test_ray_concat():
df, df2 = generate_dfs()
ray_df, ray_df2 = from_pandas(df, 2), from_pandas(df2, 2)
assert ray_df_equals_pandas(pd.concat([ray_df, ray_df2]),
pandas.concat([df, df2]))
def test_df_concat():
df, df2 = generate_dfs()
assert (ray_df_equals_pandas(pd.concat([df, df2]), pandas.concat([df,
df2])))