def test_all_null():
out = bind_cols(dict(a=NULL, b=NULL))
expect = tibble()
assert out.equals(expect)
out = bind_cols(NULL)
expect = tibble()
assert out.equals(expect)
def test_repair_names():
df = tibble(a=1, b=2)
bound = bind_cols(df, df)
assert bound.columns.tolist() == ["a__0", "b__1", "a__2", "b__3"]
t1 = tibble(a=1)
t2 = tibble(a=2)
bound = bind_cols(t1, t2)
assert bound.columns.tolist() == ["a__0", "a__1"]
def test_handle_dict():
expect = tibble(x=1, y="a", z=2)
d1 = dict(x=1, y="a")
d2 = dict(z=2)
out = bind_cols(d1, d2)
assert out.equals(expect)
out = bind_cols(dict(**d1, **d2))
assert out.equals(expect)
def test_bind_col_null():
df1 = tibble(a=range(1, 11), b=range(1, 11))
df2 = tibble(c=range(1, 11), d=range(1, 11))
res1 = df1 >> bind_cols(df2)
res2 = NULL >> bind_cols(df1, df2)
res3 = df1 >> bind_cols(NULL, df2)
res4 = df1 >> bind_cols(df2, NULL)
assert res1.equals(res2)
assert res1.equals(res3)
assert res1.equals(res4)
def test_bind_empty_dfs():
out = bind_rows(None)
assert dim(out) == (0, 0)
out = bind_cols(None)
assert dim(out) == (0, 0)
df1 = tibble(x=factor([1, 2, 3]))
df2 = tibble()
out = df1 >> bind_rows(df2)
assert out.x.tolist() == [1, 2, 3]
def test_incompatible_size_fill_with_NA():
df1 = tibble(x=range(1, 4))
df2 = tibble(y=range(1, 2))
out = (df1 >> bind_cols(df2)).fillna(100)
assert out.x.tolist() == [1, 2, 3]
assert out.y.tolist() == [1, 100, 100]
def test_empty():
out = bind_cols(tibble())
expect = tibble()
assert out.equals(expect)