201 lines
6.6 KiB
Python
201 lines
6.6 KiB
Python
import numpy as np
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import pytest
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import pandas._config.config as cf
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import pandas as pd
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import pandas.io.formats.format as fmt
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import pandas.io.formats.printing as printing
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def test_adjoin():
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data = [["a", "b", "c"], ["dd", "ee", "ff"], ["ggg", "hhh", "iii"]]
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expected = "a dd ggg\nb ee hhh\nc ff iii"
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adjoined = printing.adjoin(2, *data)
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assert adjoined == expected
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def test_repr_binary_type():
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import string
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letters = string.ascii_letters
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try:
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raw = bytes(letters, encoding=cf.get_option("display.encoding"))
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except TypeError:
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raw = bytes(letters)
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b = str(raw.decode("utf-8"))
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res = printing.pprint_thing(b, quote_strings=True)
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assert res == repr(b)
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res = printing.pprint_thing(b, quote_strings=False)
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assert res == b
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class TestFormattBase:
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def test_adjoin(self):
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data = [["a", "b", "c"], ["dd", "ee", "ff"], ["ggg", "hhh", "iii"]]
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expected = "a dd ggg\nb ee hhh\nc ff iii"
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adjoined = printing.adjoin(2, *data)
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assert adjoined == expected
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def test_adjoin_unicode(self):
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data = [["あ", "b", "c"], ["dd", "ええ", "ff"], ["ggg", "hhh", "いいい"]]
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expected = "あ dd ggg\nb ええ hhh\nc ff いいい"
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adjoined = printing.adjoin(2, *data)
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assert adjoined == expected
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adj = fmt.EastAsianTextAdjustment()
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expected = """あ dd ggg
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b ええ hhh
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c ff いいい"""
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adjoined = adj.adjoin(2, *data)
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assert adjoined == expected
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cols = adjoined.split("\n")
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assert adj.len(cols[0]) == 13
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assert adj.len(cols[1]) == 13
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assert adj.len(cols[2]) == 16
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expected = """あ dd ggg
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b ええ hhh
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c ff いいい"""
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adjoined = adj.adjoin(7, *data)
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assert adjoined == expected
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cols = adjoined.split("\n")
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assert adj.len(cols[0]) == 23
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assert adj.len(cols[1]) == 23
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assert adj.len(cols[2]) == 26
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def test_justify(self):
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adj = fmt.EastAsianTextAdjustment()
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def just(x, *args, **kwargs):
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# wrapper to test single str
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return adj.justify([x], *args, **kwargs)[0]
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assert just("abc", 5, mode="left") == "abc "
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assert just("abc", 5, mode="center") == " abc "
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assert just("abc", 5, mode="right") == " abc"
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assert just("abc", 5, mode="left") == "abc "
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assert just("abc", 5, mode="center") == " abc "
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assert just("abc", 5, mode="right") == " abc"
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assert just("パンダ", 5, mode="left") == "パンダ"
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assert just("パンダ", 5, mode="center") == "パンダ"
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assert just("パンダ", 5, mode="right") == "パンダ"
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assert just("パンダ", 10, mode="left") == "パンダ "
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assert just("パンダ", 10, mode="center") == " パンダ "
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assert just("パンダ", 10, mode="right") == " パンダ"
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def test_east_asian_len(self):
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adj = fmt.EastAsianTextAdjustment()
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assert adj.len("abc") == 3
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assert adj.len("abc") == 3
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assert adj.len("パンダ") == 6
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assert adj.len("ﾊﾟﾝﾀﾞ") == 5
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assert adj.len("パンダpanda") == 11
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assert adj.len("ﾊﾟﾝﾀﾞpanda") == 10
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def test_ambiguous_width(self):
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adj = fmt.EastAsianTextAdjustment()
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assert adj.len("¡¡ab") == 4
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with cf.option_context("display.unicode.ambiguous_as_wide", True):
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adj = fmt.EastAsianTextAdjustment()
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assert adj.len("¡¡ab") == 6
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data = [["あ", "b", "c"], ["dd", "ええ", "ff"], ["ggg", "¡¡ab", "いいい"]]
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expected = "あ dd ggg \nb ええ ¡¡ab\nc ff いいい"
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adjoined = adj.adjoin(2, *data)
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assert adjoined == expected
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class TestTableSchemaRepr:
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@pytest.mark.filterwarnings(
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"ignore:.*signature may therefore change.*:FutureWarning"
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)
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def test_publishes(self, ip):
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ipython = ip.instance(config=ip.config)
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df = pd.DataFrame({"A": [1, 2]})
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objects = [df["A"], df, df] # dataframe / series
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expected_keys = [
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{"text/plain", "application/vnd.dataresource+json"},
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{"text/plain", "text/html", "application/vnd.dataresource+json"},
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]
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opt = pd.option_context("display.html.table_schema", True)
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for obj, expected in zip(objects, expected_keys):
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with opt:
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formatted = ipython.display_formatter.format(obj)
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assert set(formatted[0].keys()) == expected
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with_latex = pd.option_context("display.latex.repr", True)
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with opt, with_latex:
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formatted = ipython.display_formatter.format(obj)
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expected = {
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"text/plain",
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"text/html",
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"text/latex",
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"application/vnd.dataresource+json",
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}
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assert set(formatted[0].keys()) == expected
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def test_publishes_not_implemented(self, ip):
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# column MultiIndex
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# GH 15996
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midx = pd.MultiIndex.from_product([["A", "B"], ["a", "b", "c"]])
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df = pd.DataFrame(np.random.randn(5, len(midx)), columns=midx)
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opt = pd.option_context("display.html.table_schema", True)
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with opt:
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formatted = ip.instance(config=ip.config).display_formatter.format(df)
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expected = {"text/plain", "text/html"}
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assert set(formatted[0].keys()) == expected
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def test_config_on(self):
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df = pd.DataFrame({"A": [1, 2]})
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with pd.option_context("display.html.table_schema", True):
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result = df._repr_data_resource_()
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assert result is not None
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def test_config_default_off(self):
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df = pd.DataFrame({"A": [1, 2]})
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with pd.option_context("display.html.table_schema", False):
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result = df._repr_data_resource_()
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assert result is None
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def test_enable_data_resource_formatter(self, ip):
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# GH 10491
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formatters = ip.instance(config=ip.config).display_formatter.formatters
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mimetype = "application/vnd.dataresource+json"
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with pd.option_context("display.html.table_schema", True):
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assert "application/vnd.dataresource+json" in formatters
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assert formatters[mimetype].enabled
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# still there, just disabled
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assert "application/vnd.dataresource+json" in formatters
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assert not formatters[mimetype].enabled
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# able to re-set
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with pd.option_context("display.html.table_schema", True):
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assert "application/vnd.dataresource+json" in formatters
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assert formatters[mimetype].enabled
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# smoke test that it works
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ip.instance(config=ip.config).display_formatter.format(cf)
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