def test_date_to_index(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
import datetime as dt
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
index = date_to_index(date_index[-1], date_index)
assert_equal(index, date_index.shape[0] - 1)
index = date_to_index('2009-08-02', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-04', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-01', date_index)
assert_equal(index, 499)
index = date_to_index(dt.datetime(2009, 8, 1), date_index)
assert_equal(index, 499)
with pytest.raises(ValueError):
date_to_index(dt.date(2009, 8, 1), date_index)
z = y + 0.0
z.index = np.arange(3000)
num_index = z.index
with pytest.raises(ValueError):
date_to_index(dt.datetime(2009, 8, 1), num_index)
def test_date_to_index_ndarray():
dr = date_range("20000101", periods=3000, freq="W")
y = Series(np.arange(3000.0), index=dr)
date_index = np.asarray(y.index)
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
index = date_to_index(date_index[-1], date_index)
assert_equal(index, date_index.shape[0] - 1)
def test_(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
date = date_index[1000] + Timedelta(1, 'D')
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime('%Y-%m-%d')
index = date_to_index(date, date_index)
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, 1001)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
date = date_index[0] - Timedelta(1, 'D')
index = date_to_index(date, date_index)
assert_equal(index, 0)
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime('%Y-%m-%d')
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
def test_():
dr = date_range("20000101", periods=3000, freq="W")
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
date = date_index[1000] + Timedelta(1, "D")
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime("%Y-%m-%d")
index = date_to_index(date, date_index)
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, 1001)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
date = date_index[0] - Timedelta(1, "D")
index = date_to_index(date, date_index)
assert_equal(index, 0)
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime("%Y-%m-%d")
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
def test_(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
date = date_index[1000] + Timedelta(1, 'D')
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime('%Y-%m-%d')
index = date_to_index(date, date_index)
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, 1001)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
date = date_index[0] - Timedelta(1, 'D')
index = date_to_index(date, date_index)
assert_equal(index, 0)
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime('%Y-%m-%d')
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
def test_date_to_index_timestamp(self):
dr = date_range("20000101", periods=3000, freq="W")
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
date = y.index[1000]
date_pydt = date.to_pydatetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime("%Y-%m-%d")
index = date_to_index(date, date_index)
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, 1000)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
def test_date_to_index(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
import datetime as dt
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
index = date_to_index(date_index[-1], date_index)
assert_equal(index, date_index.shape[0] - 1)
index = date_to_index('2009-08-02', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-04', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-01', date_index)
assert_equal(index, 499)
index = date_to_index(dt.datetime(2009, 8, 1), date_index)
assert_equal(index, 499)
assert_raises(ValueError, date_to_index, dt.date(2009, 8, 1),
date_index)
z = y + 0.0
z.index = np.arange(3000)
num_index = z.index
assert_raises(ValueError, date_to_index,
dt.datetime(2009, 8, 1), num_index)
def test_date_to_index_timestamp(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
date = y.index[1000]
try:
date_pydt = date.to_pydatetime()
except AttributeError:
# Old pandas
date_pydt = date.to_datetime()
date_npdt = date.to_datetime64()
date_str = date_pydt.strftime('%Y-%m-%d')
index = date_to_index(date, date_index)
index_pydt = date_to_index(date_pydt, date_index)
index_npdt = date_to_index(date_npdt, date_index)
index_str = date_to_index(date_str, date_index)
assert_equal(index, 1000)
assert_equal(index, index_npdt)
assert_equal(index, index_pydt)
assert_equal(index, index_str)
def test_date_to_index(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
index = date_to_index(date_index[-1], date_index)
assert_equal(index, date_index.shape[0] - 1)
index = date_to_index('2009-08-02', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-04', date_index)
assert_equal(index, 501)
index = date_to_index('2009-08-01', date_index)
assert_equal(index, 500)
index = date_to_index(dt.datetime(2009, 8, 1), date_index)
assert_equal(index, 500)
with pytest.raises(ValueError):
date_to_index(dt.date(2009, 8, 1), date_index)
z = y + 0.0
z.index = np.arange(3000)
num_index = z.index
with pytest.raises(ValueError):
date_to_index(dt.datetime(2009, 8, 1), num_index)
idx = date_range('1999-12-31', periods=3)
df = DataFrame([1, 2, 3], index=idx[::-1])
with pytest.raises(ValueError):
date_to_index(idx[0], df.index)
df = DataFrame([1, 2, 3], index=[idx[0]] * 3)
with pytest.raises(ValueError):
date_to_index(idx[0], df.index)
with pytest.raises(ValueError):
date_to_index('NaT', idx)
# check whether this also works for a localized datetimeindex
date_index = date_range('20000101',
periods=3000,
freq='W',
tz='Europe/Berlin')
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
def test_date_to_index(self):
dr = date_range('20000101', periods=3000, freq='W')
y = Series(np.arange(3000.0), index=dr)
date_index = y.index
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
index = date_to_index(date_index[-1], date_index)
assert_equal(index, date_index.shape[0] - 1)
index = date_to_index('2009-08-02', date_index)
assert_equal(index, 500)
index = date_to_index('2009-08-04', date_index)
assert_equal(index, 501)
index = date_to_index('2009-08-01', date_index)
assert_equal(index, 500)
index = date_to_index(dt.datetime(2009, 8, 1), date_index)
assert_equal(index, 500)
with pytest.raises(ValueError):
date_to_index(dt.date(2009, 8, 1), date_index)
z = y + 0.0
z.index = np.arange(3000)
num_index = z.index
with pytest.raises(ValueError):
date_to_index(dt.datetime(2009, 8, 1), num_index)
idx = date_range('1999-12-31', periods=3)
df = DataFrame([1, 2, 3], index=idx[::-1])
with pytest.raises(ValueError):
date_to_index(idx[0], df.index)
df = DataFrame([1, 2, 3], index=[idx[0]] * 3)
with pytest.raises(ValueError):
date_to_index(idx[0], df.index)
with pytest.raises(ValueError):
date_to_index('NaT', idx)
# check whether this also works for a localized datetimeindex
date_index = date_range('20000101', periods=3000, freq='W', tz='Europe/Berlin')
index = date_to_index(date_index[0], date_index)
assert_equal(index, 0)
