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test_utilities.py
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test_utilities.py
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import numpy as np
import pandas as pd
import pytest
from folium import FeatureGroup, Map, Marker, Popup
from folium.utilities import (
_is_url,
camelize,
deep_copy,
escape_double_quotes,
get_obj_in_upper_tree,
if_pandas_df_convert_to_numpy,
javascript_identifier_path_to_array_notation,
parse_options,
validate_location,
validate_locations,
validate_multi_locations,
)
@pytest.mark.parametrize(
"location",
[
(5, 3),
[5.0, 3.0],
np.array([5, 3]),
np.array([[5, 3]]),
pd.Series([5, 3]),
pd.DataFrame([5, 3]),
pd.DataFrame([[5, 3]]),
("5.0", "3.0"),
("5", "3"),
],
)
def test_validate_location(location):
outcome = validate_location(location)
assert outcome == [5.0, 3.0]
@pytest.mark.parametrize(
"location",
[
None,
[None, None],
(),
[0],
["hi"],
"hi",
("lat", "lon"),
Marker,
(Marker, Marker),
(3.0, np.nan),
{3.0, 5.0},
{"lat": 5.0, "lon": 3.0},
range(4),
[0, 1, 2],
[(0,), (1,)],
],
)
def test_validate_location_exceptions(location):
"""Test input that should raise an exception."""
with pytest.raises((TypeError, ValueError)):
validate_location(location)
@pytest.mark.parametrize(
"locations",
[
[(0, 5), (1, 6), (2, 7)],
[[0, 5], [1, 6], [2, 7]],
np.array([[0, 5], [1, 6], [2, 7]]),
pd.DataFrame([[0, 5], [1, 6], [2, 7]]),
],
)
def test_validate_locations(locations):
outcome = validate_locations(locations)
assert outcome == [[0.0, 5.0], [1.0, 6.0], [2.0, 7.0]]
@pytest.mark.parametrize(
"locations",
[
[[(0, 5), (1, 6), (2, 7)], [(3, 8), (4, 9)]],
],
)
def test_validate_multi_locations(locations):
outcome = validate_multi_locations(locations)
assert outcome == [[[0, 5], [1, 6], [2, 7]], [[3, 8], [4, 9]]]
@pytest.mark.parametrize(
"locations",
[
None,
[None, None],
(),
[0],
["hi"],
"hi",
("lat", "lon"),
Marker,
(Marker, Marker),
(3.0, np.nan),
{3.0, 5.0},
{"lat": 5.0, "lon": 3.0},
range(4),
[0, 1, 2],
[(0,), (1,)],
],
)
def test_validate_locations_exceptions(locations):
"""Test input that should raise an exception."""
with pytest.raises((TypeError, ValueError)):
validate_locations(locations)
def test_if_pandas_df_convert_to_numpy():
data = [[0, 5, "red"], [1, 6, "blue"], [2, 7, "something"]]
df = pd.DataFrame(data, columns=["lat", "lng", "color"])
res = if_pandas_df_convert_to_numpy(df)
assert isinstance(res, np.ndarray)
expected = np.array(data)
assert all(
[
[all([i == j]) for i, j in zip(row1, row2)]
for row1, row2 in zip(res, expected)
]
)
# Also check if it ignores things that are not Pandas DataFrame:
assert if_pandas_df_convert_to_numpy(data) is data
assert if_pandas_df_convert_to_numpy(expected) is expected
def test_camelize():
assert camelize("variable_name") == "variableName"
assert camelize("variableName") == "variableName"
assert camelize("name") == "name"
assert camelize("very_long_variable_name") == "veryLongVariableName"
def test_deep_copy():
m = Map()
fg = FeatureGroup().add_to(m)
Marker(location=(0, 0)).add_to(fg)
m_copy = deep_copy(m)
def check(item, item_copy):
assert type(item) is type(item_copy)
assert item._name == item_copy._name
for attr in item.__dict__.keys():
if not attr.startswith("_"):
assert getattr(item, attr) == getattr(item_copy, attr)
assert item is not item_copy
assert item._id != item_copy._id
for child, child_copy in zip(
item._children.values(), item_copy._children.values()
):
check(child, child_copy)
check(m, m_copy)
def test_get_obj_in_upper_tree():
m = Map()
fg = FeatureGroup().add_to(m)
marker = Marker(location=(0, 0)).add_to(fg)
assert get_obj_in_upper_tree(marker, FeatureGroup) is fg
assert get_obj_in_upper_tree(marker, Map) is m
# The search should only go up, not down:
with pytest.raises(ValueError):
assert get_obj_in_upper_tree(fg, Marker)
with pytest.raises(ValueError):
assert get_obj_in_upper_tree(marker, Popup)
def test_parse_options():
assert parse_options(thing=42) == {"thing": 42}
assert parse_options(thing=None) == {}
assert parse_options(long_thing=42) == {"longThing": 42}
assert parse_options(thing=42, lst=[1, 2]) == {"thing": 42, "lst": [1, 2]}
@pytest.mark.parametrize(
"url",
[
"https://example.com/img.png",
"http://example.com/img.png",
"ftp://example.com/img.png",
"file:///t.jpg",
"data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",
],
)
def test_is_url(url):
assert _is_url(url) is True
@pytest.mark.parametrize(
"text,result",
[
("bla", "bla"),
('bla"bla', r"bla\"bla"),
('"bla"bla"', r"\"bla\"bla\""),
],
)
def test_escape_double_quotes(text, result):
assert escape_double_quotes(text) == result
@pytest.mark.parametrize(
"text,result",
[
("bla", '["bla"]'),
("obj-1.obj2", '["obj-1"]["obj2"]'),
('obj-1.obj"2', r'["obj-1"]["obj\"2"]'),
],
)
def test_javascript_identifier_path_to_array_notation(text, result):
assert javascript_identifier_path_to_array_notation(text) == result