def test_series_replace():
a1 = np.array([0, 1, 2, 3, 4])
# Numerical
a2 = np.array([5, 1, 2, 3, 4])
sr1 = Series(a1)
sr2 = sr1.replace(0, 5)
np.testing.assert_equal(sr2.to_array(), a2)
# Categorical
psr3 = pd.Series(["one", "two", "three"], dtype='category')
psr4 = psr3.replace("one", "two")
sr3 = Series.from_pandas(psr3)
sr4 = sr3.replace("one", "two")
pd.testing.assert_series_equal(sr4.to_pandas(), psr4)
# List input
a6 = np.array([5, 6, 2, 3, 4])
sr6 = sr1.replace([0, 1], [5, 6])
np.testing.assert_equal(sr6.to_array(), a6)
a7 = np.array([5.5, 6.5, 2, 3, 4])
sr7 = sr1.replace([0, 1], [5.5, 6.5])
np.testing.assert_equal(sr7.to_array(), a7)
# Series input
a8 = np.array([5, 5, 5, 3, 4])
sr8 = sr1.replace(sr1[:3], 5)
np.testing.assert_equal(sr8.to_array(), a8)
def test_series_replace_with_nulls():
a1 = np.array([0, 1, 2, 3, 4])
# Numerical
a2 = np.array([-10, 1, 2, 3, 4])
sr1 = Series(a1)
sr2 = sr1.replace(0, None).fillna(-10)
np.testing.assert_equal(sr2.to_array(), a2)
# List input
a6 = np.array([-10, 6, 2, 3, 4])
sr6 = sr1.replace([0, 1], [None, 6]).fillna(-10)
np.testing.assert_equal(sr6.to_array(), a6)
a7 = np.array([5.5, 6.5, 2, 3, 4, -10])
sr1 = Series([0, 1, 2, 3, 4, None])
sr7 = sr1.replace([0, 1], [5.5, 6.5]).fillna(-10)
np.testing.assert_equal(sr7.to_array(), a7)
# Series input
a8 = np.array([-10, -10, -10, 3, 4, -10])
sr8 = sr1.replace(sr1[:3], None).fillna(-10)
np.testing.assert_equal(sr8.to_array(), a8)
a9 = np.array([-10, 6.5, 2, 3, 4, -10])
sr9 = sr1.replace([0, 1], [None, 6.5]).fillna(-10)
np.testing.assert_equal(sr9.to_array(), a9)
def test_series_replace():
a1 = np.array([0, 1, 2, 3, 4])
# Numerical
a2 = np.array([5, 1, 2, 3, 4])
sr1 = Series(a1)
sr2 = sr1.replace(0, 5)
np.testing.assert_equal(sr2.to_array(), a2)
# Categorical
psr3 = pd.Series(["one", "two", "three"], dtype="category")
psr4 = psr3.replace("one", "two")
sr3 = Series.from_pandas(psr3)
sr4 = sr3.replace("one", "two")
pd.testing.assert_series_equal(sr4.to_pandas(), psr4)
# List input
a6 = np.array([5, 6, 2, 3, 4])
sr6 = sr1.replace([0, 1], [5, 6])
np.testing.assert_equal(sr6.to_array(), a6)
a7 = np.array([5.5, 6.5, 2, 3, 4])
sr7 = sr1.replace([0, 1], [5.5, 6.5])
np.testing.assert_equal(sr7.to_array(), a7)
# Series input
a8 = np.array([5, 5, 5, 3, 4])
sr8 = sr1.replace(sr1[:3], 5)
np.testing.assert_equal(sr8.to_array(), a8)
# large input containing null
sr9 = Series(list(range(400)) + [None])
sr10 = sr9.replace([22, 323, 27, 0], None)
assert sr10.null_count == 5
assert len(sr10.to_array()) == (401 - 5)
sr11 = sr9.replace([22, 323, 27, 0], -1)
assert sr11.null_count == 1
assert len(sr11.to_array()) == (401 - 1)
# large input not containing nulls
sr9 = sr9.fillna(-11)
sr12 = sr9.replace([22, 323, 27, 0], None)
assert sr12.null_count == 4
assert len(sr12.to_array()) == (401 - 4)
sr13 = sr9.replace([22, 323, 27, 0], -1)
assert sr13.null_count == 0
assert len(sr13.to_array()) == 401
def test_replace_strings():
pdf = pd.Series(["a", "b", "c", "d"])
gdf = Series(["a", "b", "c", "d"])
assert_eq(pdf.replace("a", "e"), gdf.replace("a", "e"))
def test_replace_strings():
pdf = pd.Series(['a', 'b', 'c', 'd'])
gdf = Series(['a', 'b', 'c', 'd'])
assert_eq(pdf.replace('a', 'e'), gdf.replace('a', 'e'))
