def test__df_index_name_with_unnamed_multi_index(self, pd):
arrays = [
np.array(['bar', 'bar', 'baz', 'baz', 'foo', 'foo', 'qux', 'qux']),
np.array(['one', 'two', 'one', 'two', 'one', 'two', 'one', 'two'])
]
df = pd.DataFrame(np.random.randn(8, 4), index=arrays)
assert df.index.names == [None, None]
assert ColumnDataSource._df_index_name(df) == "index"
def test__df_index_name_with_named_multi_index(self):
data = io.StringIO(u'''
Fruit,Color,Count,Price
Apple,Red,3,$1.29
Apple,Green,9,$0.99
Pear,Red,25,$2.59
Pear,Green,26,$2.79
Lime,Green,99,$0.39
''')
df = pd.read_csv(data).set_index(['Fruit', 'Color'])
assert df.index.names == ['Fruit', 'Color']
assert ColumnDataSource._df_index_name(df) == "Fruit_Color"
def test__df_index_name_with_named_multi_index(self, pd):
data = io.StringIO(u'''
Fruit,Color,Count,Price
Apple,Red,3,$1.29
Apple,Green,9,$0.99
Pear,Red,25,$2.59
Pear,Green,26,$2.79
Lime,Green,99,$0.39
''')
df = pd.read_csv(data).set_index(['Fruit', 'Color'])
assert df.index.names == ['Fruit', 'Color']
assert ColumnDataSource._df_index_name(df) == "Fruit_Color"
def test__df_index_name_with_unnamed_index(self, pd):
df = pd.DataFrame(dict(a=[10], b=[20], c=[30]))
assert ColumnDataSource._df_index_name(df) == "index"
def test__df_index_name_with_unnamed_multi_index(self):
arrays = [np.array(['bar', 'bar', 'baz', 'baz', 'foo', 'foo', 'qux', 'qux']),
np.array(['one', 'two', 'one', 'two', 'one', 'two', 'one', 'two'])]
df = pd.DataFrame(np.random.randn(8, 4), index=arrays)
assert df.index.names == [None, None]
assert ColumnDataSource._df_index_name(df) == "index"
def test__df_index_name_with_unnamed_index(self):
df = pd.DataFrame(dict(a=[10], b=[20], c=[30]))
assert ColumnDataSource._df_index_name(df) == "index"
def test__df_index_name_with_named_index(self):
df = pd.DataFrame(dict(a=[10], b=[20], c=[30])).set_index('c')
assert ColumnDataSource._df_index_name(df) == "c"
def test__df_index_name_with_named_index(self, pd):
df = pd.DataFrame(dict(a=[10], b=[20], c=[30])).set_index('c')
assert ColumnDataSource._df_index_name(df) == "c"