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| import numpy as np
| import pytest
|
| from pandas._config import using_string_dtype
| import pandas._config.config as cf
|
| from pandas import Index
| import pandas._testing as tm
|
|
| class TestIndexRendering:
| def test_repr_is_valid_construction_code(self):
| # for the case of Index, where the repr is traditional rather than
| # stylized
| idx = Index(["a", "b"])
| res = eval(repr(idx))
| tm.assert_index_equal(res, idx)
|
| @pytest.mark.xfail(using_string_dtype(), reason="repr different")
| @pytest.mark.parametrize(
| "index,expected",
| [
| # ASCII
| # short
| (
| Index(["a", "bb", "ccc"]),
| """Index(['a', 'bb', 'ccc'], dtype='object')""",
| ),
| # multiple lines
| (
| Index(["a", "bb", "ccc"] * 10),
| "Index(['a', 'bb', 'ccc', 'a', 'bb', 'ccc', 'a', "
| "'bb', 'ccc', 'a', 'bb', 'ccc',\n"
| " 'a', 'bb', 'ccc', 'a', 'bb', 'ccc', 'a', "
| "'bb', 'ccc', 'a', 'bb', 'ccc',\n"
| " 'a', 'bb', 'ccc', 'a', 'bb', 'ccc'],\n"
| " dtype='object')",
| ),
| # truncated
| (
| Index(["a", "bb", "ccc"] * 100),
| "Index(['a', 'bb', 'ccc', 'a', 'bb', 'ccc', 'a', 'bb', 'ccc', 'a',\n"
| " ...\n"
| " 'ccc', 'a', 'bb', 'ccc', 'a', 'bb', 'ccc', 'a', 'bb', 'ccc'],\n"
| " dtype='object', length=300)",
| ),
| # Non-ASCII
| # short
| (
| Index(["あ", "いい", "ううう"]),
| """Index(['あ', 'いい', 'ううう'], dtype='object')""",
| ),
| # multiple lines
| (
| Index(["あ", "いい", "ううう"] * 10),
| (
| "Index(['あ', 'いい', 'ううう', 'あ', 'いい', 'ううう', "
| "'あ', 'いい', 'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ', 'いい', 'ううう', 'あ', 'いい', 'ううう', "
| "'あ', 'いい', 'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう'],\n"
| " dtype='object')"
| ),
| ),
| # truncated
| (
| Index(["あ", "いい", "ううう"] * 100),
| (
| "Index(['あ', 'いい', 'ううう', 'あ', 'いい', 'ううう', "
| "'あ', 'いい', 'ううう', 'あ',\n"
| " ...\n"
| " 'ううう', 'あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう', 'あ', 'いい', 'ううう'],\n"
| " dtype='object', length=300)"
| ),
| ),
| ],
| )
| def test_string_index_repr(self, index, expected):
| result = repr(index)
| assert result == expected
|
| @pytest.mark.xfail(using_string_dtype(), reason="repr different")
| @pytest.mark.parametrize(
| "index,expected",
| [
| # short
| (
| Index(["あ", "いい", "ううう"]),
| ("Index(['あ', 'いい', 'ううう'], dtype='object')"),
| ),
| # multiple lines
| (
| Index(["あ", "いい", "ううう"] * 10),
| (
| "Index(['あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ', 'いい', 'ううう'],\n"
| " dtype='object')"
| ""
| ),
| ),
| # truncated
| (
| Index(["あ", "いい", "ううう"] * 100),
| (
| "Index(['あ', 'いい', 'ううう', 'あ', 'いい', "
| "'ううう', 'あ', 'いい', 'ううう',\n"
| " 'あ',\n"
| " ...\n"
| " 'ううう', 'あ', 'いい', 'ううう', 'あ', "
| "'いい', 'ううう', 'あ', 'いい',\n"
| " 'ううう'],\n"
| " dtype='object', length=300)"
| ),
| ),
| ],
| )
| def test_string_index_repr_with_unicode_option(self, index, expected):
| # Enable Unicode option -----------------------------------------
| with cf.option_context("display.unicode.east_asian_width", True):
| result = repr(index)
| assert result == expected
|
| def test_repr_summary(self):
| with cf.option_context("display.max_seq_items", 10):
| result = repr(Index(np.arange(1000)))
| assert len(result) < 200
| assert "..." in result
|
| def test_summary_bug(self):
| # GH#3869
| ind = Index(["{other}%s", "~:{range}:0"], name="A")
| result = ind._summary()
| # shouldn't be formatted accidentally.
| assert "~:{range}:0" in result
| assert "{other}%s" in result
|
| def test_index_repr_bool_nan(self):
| # GH32146
| arr = Index([True, False, np.nan], dtype=object)
| msg = "Index.format is deprecated"
| with tm.assert_produces_warning(FutureWarning, match=msg):
| exp1 = arr.format()
| out1 = ["True", "False", "NaN"]
| assert out1 == exp1
|
| exp2 = repr(arr)
| out2 = "Index([True, False, nan], dtype='object')"
| assert out2 == exp2
|
| def test_format_different_scalar_lengths(self):
| # GH#35439
| idx = Index(["aaaaaaaaa", "b"])
| expected = ["aaaaaaaaa", "b"]
| msg = r"Index\.format is deprecated"
| with tm.assert_produces_warning(FutureWarning, match=msg):
| assert idx.format() == expected
|
|
