|
| 1 | +""" |
| 2 | +Tests for the following offsets: |
| 3 | +- BQuarterBegin |
| 4 | +- BQuarterEnd |
| 5 | +""" |
| 6 | +from datetime import datetime |
| 7 | + |
| 8 | +import pytest |
| 9 | + |
| 10 | +from pandas.tests.tseries.offsets.common import ( |
| 11 | + Base, |
| 12 | + assert_is_on_offset, |
| 13 | + assert_offset_equal, |
| 14 | +) |
| 15 | + |
| 16 | +from pandas.tseries.offsets import ( |
| 17 | + BQuarterBegin, |
| 18 | + BQuarterEnd, |
| 19 | +) |
| 20 | + |
| 21 | + |
| 22 | +def test_quarterly_dont_normalize(): |
| 23 | + date = datetime(2012, 3, 31, 5, 30) |
| 24 | + |
| 25 | + offsets = (BQuarterEnd, BQuarterBegin) |
| 26 | + |
| 27 | + for klass in offsets: |
| 28 | + result = date + klass() |
| 29 | + assert result.time() == date.time() |
| 30 | + |
| 31 | + |
| 32 | +@pytest.mark.parametrize("offset", [BQuarterBegin(), BQuarterEnd()]) |
| 33 | +def test_on_offset(offset): |
| 34 | + dates = [ |
| 35 | + datetime(2016, m, d) |
| 36 | + for m in [10, 11, 12] |
| 37 | + for d in [1, 2, 3, 28, 29, 30, 31] |
| 38 | + if not (m == 11 and d == 31) |
| 39 | + ] |
| 40 | + for date in dates: |
| 41 | + res = offset.is_on_offset(date) |
| 42 | + slow_version = date == (date + offset) - offset |
| 43 | + assert res == slow_version |
| 44 | + |
| 45 | + |
| 46 | +class TestBQuarterBegin(Base): |
| 47 | + _offset = BQuarterBegin |
| 48 | + |
| 49 | + def test_repr(self): |
| 50 | + expected = "<BusinessQuarterBegin: startingMonth=3>" |
| 51 | + assert repr(BQuarterBegin()) == expected |
| 52 | + expected = "<BusinessQuarterBegin: startingMonth=3>" |
| 53 | + assert repr(BQuarterBegin(startingMonth=3)) == expected |
| 54 | + expected = "<BusinessQuarterBegin: startingMonth=1>" |
| 55 | + assert repr(BQuarterBegin(startingMonth=1)) == expected |
| 56 | + |
| 57 | + def test_is_anchored(self): |
| 58 | + assert BQuarterBegin(startingMonth=1).is_anchored() |
| 59 | + assert BQuarterBegin().is_anchored() |
| 60 | + assert not BQuarterBegin(2, startingMonth=1).is_anchored() |
| 61 | + |
| 62 | + def test_offset_corner_case(self): |
| 63 | + # corner |
| 64 | + offset = BQuarterBegin(n=-1, startingMonth=1) |
| 65 | + assert datetime(2007, 4, 3) + offset == datetime(2007, 4, 2) |
| 66 | + |
| 67 | + offset_cases = [] |
| 68 | + offset_cases.append( |
| 69 | + ( |
| 70 | + BQuarterBegin(startingMonth=1), |
| 71 | + { |
| 72 | + datetime(2008, 1, 1): datetime(2008, 4, 1), |
| 73 | + datetime(2008, 1, 31): datetime(2008, 4, 1), |
| 74 | + datetime(2008, 2, 15): datetime(2008, 4, 1), |
| 75 | + datetime(2008, 2, 29): datetime(2008, 4, 1), |
| 76 | + datetime(2008, 3, 15): datetime(2008, 4, 1), |
| 77 | + datetime(2008, 3, 31): datetime(2008, 4, 1), |
| 78 | + datetime(2008, 4, 15): datetime(2008, 7, 1), |
| 79 | + datetime(2007, 3, 15): datetime(2007, 4, 2), |
| 80 | + datetime(2007, 2, 28): datetime(2007, 4, 2), |
| 81 | + datetime(2007, 1, 1): datetime(2007, 4, 2), |
| 82 | + datetime(2007, 4, 15): datetime(2007, 7, 2), |
| 83 | + datetime(2007, 7, 1): datetime(2007, 7, 2), |
| 84 | + datetime(2007, 4, 1): datetime(2007, 4, 2), |
| 85 | + datetime(2007, 4, 2): datetime(2007, 7, 2), |
| 86 | + datetime(2008, 4, 30): datetime(2008, 7, 1), |
| 87 | + }, |
| 88 | + ) |
| 89 | + ) |
| 90 | + |
| 91 | + offset_cases.append( |
| 92 | + ( |
| 93 | + BQuarterBegin(startingMonth=2), |
| 94 | + { |
| 95 | + datetime(2008, 1, 1): datetime(2008, 2, 1), |
| 96 | + datetime(2008, 1, 31): datetime(2008, 2, 1), |
| 97 | + datetime(2008, 1, 15): datetime(2008, 2, 1), |
| 98 | + datetime(2008, 2, 29): datetime(2008, 5, 1), |
| 99 | + datetime(2008, 3, 15): datetime(2008, 5, 1), |
| 100 | + datetime(2008, 3, 31): datetime(2008, 5, 1), |
| 101 | + datetime(2008, 4, 15): datetime(2008, 5, 1), |
| 102 | + datetime(2008, 8, 15): datetime(2008, 11, 3), |
| 103 | + datetime(2008, 9, 15): datetime(2008, 11, 3), |
| 104 | + datetime(2008, 11, 1): datetime(2008, 11, 3), |
| 105 | + datetime(2008, 4, 30): datetime(2008, 5, 1), |
| 106 | + }, |
| 107 | + ) |
| 108 | + ) |
| 109 | + |
| 110 | + offset_cases.append( |
| 111 | + ( |
| 112 | + BQuarterBegin(startingMonth=1, n=0), |
| 113 | + { |
| 114 | + datetime(2008, 1, 1): datetime(2008, 1, 1), |
| 115 | + datetime(2007, 12, 31): datetime(2008, 1, 1), |
| 116 | + datetime(2008, 2, 15): datetime(2008, 4, 1), |
| 117 | + datetime(2008, 2, 29): datetime(2008, 4, 1), |
| 118 | + datetime(2008, 1, 15): datetime(2008, 4, 1), |
| 119 | + datetime(2008, 2, 27): datetime(2008, 4, 1), |
| 120 | + datetime(2008, 3, 15): datetime(2008, 4, 1), |
| 121 | + datetime(2007, 4, 1): datetime(2007, 4, 2), |
| 122 | + datetime(2007, 4, 2): datetime(2007, 4, 2), |
| 123 | + datetime(2007, 7, 1): datetime(2007, 7, 2), |
| 124 | + datetime(2007, 4, 15): datetime(2007, 7, 2), |
| 125 | + datetime(2007, 7, 2): datetime(2007, 7, 2), |
| 126 | + }, |
| 127 | + ) |
| 128 | + ) |
| 129 | + |
| 130 | + offset_cases.append( |
| 131 | + ( |
| 132 | + BQuarterBegin(startingMonth=1, n=-1), |
| 133 | + { |
| 134 | + datetime(2008, 1, 1): datetime(2007, 10, 1), |
| 135 | + datetime(2008, 1, 31): datetime(2008, 1, 1), |
| 136 | + datetime(2008, 2, 15): datetime(2008, 1, 1), |
| 137 | + datetime(2008, 2, 29): datetime(2008, 1, 1), |
| 138 | + datetime(2008, 3, 15): datetime(2008, 1, 1), |
| 139 | + datetime(2008, 3, 31): datetime(2008, 1, 1), |
| 140 | + datetime(2008, 4, 15): datetime(2008, 4, 1), |
| 141 | + datetime(2007, 7, 3): datetime(2007, 7, 2), |
| 142 | + datetime(2007, 4, 3): datetime(2007, 4, 2), |
| 143 | + datetime(2007, 7, 2): datetime(2007, 4, 2), |
| 144 | + datetime(2008, 4, 1): datetime(2008, 1, 1), |
| 145 | + }, |
| 146 | + ) |
| 147 | + ) |
| 148 | + |
| 149 | + offset_cases.append( |
| 150 | + ( |
| 151 | + BQuarterBegin(startingMonth=1, n=2), |
| 152 | + { |
| 153 | + datetime(2008, 1, 1): datetime(2008, 7, 1), |
| 154 | + datetime(2008, 1, 15): datetime(2008, 7, 1), |
| 155 | + datetime(2008, 2, 29): datetime(2008, 7, 1), |
| 156 | + datetime(2008, 3, 15): datetime(2008, 7, 1), |
| 157 | + datetime(2007, 3, 31): datetime(2007, 7, 2), |
| 158 | + datetime(2007, 4, 15): datetime(2007, 10, 1), |
| 159 | + datetime(2008, 4, 30): datetime(2008, 10, 1), |
| 160 | + }, |
| 161 | + ) |
| 162 | + ) |
| 163 | + |
| 164 | + @pytest.mark.parametrize("case", offset_cases) |
| 165 | + def test_offset(self, case): |
| 166 | + offset, cases = case |
| 167 | + for base, expected in cases.items(): |
| 168 | + assert_offset_equal(offset, base, expected) |
| 169 | + |
| 170 | + |
| 171 | +class TestBQuarterEnd(Base): |
| 172 | + _offset = BQuarterEnd |
| 173 | + |
| 174 | + def test_repr(self): |
| 175 | + expected = "<BusinessQuarterEnd: startingMonth=3>" |
| 176 | + assert repr(BQuarterEnd()) == expected |
| 177 | + expected = "<BusinessQuarterEnd: startingMonth=3>" |
| 178 | + assert repr(BQuarterEnd(startingMonth=3)) == expected |
| 179 | + expected = "<BusinessQuarterEnd: startingMonth=1>" |
| 180 | + assert repr(BQuarterEnd(startingMonth=1)) == expected |
| 181 | + |
| 182 | + def test_is_anchored(self): |
| 183 | + assert BQuarterEnd(startingMonth=1).is_anchored() |
| 184 | + assert BQuarterEnd().is_anchored() |
| 185 | + assert not BQuarterEnd(2, startingMonth=1).is_anchored() |
| 186 | + |
| 187 | + def test_offset_corner_case(self): |
| 188 | + # corner |
| 189 | + offset = BQuarterEnd(n=-1, startingMonth=1) |
| 190 | + assert datetime(2010, 1, 31) + offset == datetime(2010, 1, 29) |
| 191 | + |
| 192 | + offset_cases = [] |
| 193 | + offset_cases.append( |
| 194 | + ( |
| 195 | + BQuarterEnd(startingMonth=1), |
| 196 | + { |
| 197 | + datetime(2008, 1, 1): datetime(2008, 1, 31), |
| 198 | + datetime(2008, 1, 31): datetime(2008, 4, 30), |
| 199 | + datetime(2008, 2, 15): datetime(2008, 4, 30), |
| 200 | + datetime(2008, 2, 29): datetime(2008, 4, 30), |
| 201 | + datetime(2008, 3, 15): datetime(2008, 4, 30), |
| 202 | + datetime(2008, 3, 31): datetime(2008, 4, 30), |
| 203 | + datetime(2008, 4, 15): datetime(2008, 4, 30), |
| 204 | + datetime(2008, 4, 30): datetime(2008, 7, 31), |
| 205 | + }, |
| 206 | + ) |
| 207 | + ) |
| 208 | + |
| 209 | + offset_cases.append( |
| 210 | + ( |
| 211 | + BQuarterEnd(startingMonth=2), |
| 212 | + { |
| 213 | + datetime(2008, 1, 1): datetime(2008, 2, 29), |
| 214 | + datetime(2008, 1, 31): datetime(2008, 2, 29), |
| 215 | + datetime(2008, 2, 15): datetime(2008, 2, 29), |
| 216 | + datetime(2008, 2, 29): datetime(2008, 5, 30), |
| 217 | + datetime(2008, 3, 15): datetime(2008, 5, 30), |
| 218 | + datetime(2008, 3, 31): datetime(2008, 5, 30), |
| 219 | + datetime(2008, 4, 15): datetime(2008, 5, 30), |
| 220 | + datetime(2008, 4, 30): datetime(2008, 5, 30), |
| 221 | + }, |
| 222 | + ) |
| 223 | + ) |
| 224 | + |
| 225 | + offset_cases.append( |
| 226 | + ( |
| 227 | + BQuarterEnd(startingMonth=1, n=0), |
| 228 | + { |
| 229 | + datetime(2008, 1, 1): datetime(2008, 1, 31), |
| 230 | + datetime(2008, 1, 31): datetime(2008, 1, 31), |
| 231 | + datetime(2008, 2, 15): datetime(2008, 4, 30), |
| 232 | + datetime(2008, 2, 29): datetime(2008, 4, 30), |
| 233 | + datetime(2008, 3, 15): datetime(2008, 4, 30), |
| 234 | + datetime(2008, 3, 31): datetime(2008, 4, 30), |
| 235 | + datetime(2008, 4, 15): datetime(2008, 4, 30), |
| 236 | + datetime(2008, 4, 30): datetime(2008, 4, 30), |
| 237 | + }, |
| 238 | + ) |
| 239 | + ) |
| 240 | + |
| 241 | + offset_cases.append( |
| 242 | + ( |
| 243 | + BQuarterEnd(startingMonth=1, n=-1), |
| 244 | + { |
| 245 | + datetime(2008, 1, 1): datetime(2007, 10, 31), |
| 246 | + datetime(2008, 1, 31): datetime(2007, 10, 31), |
| 247 | + datetime(2008, 2, 15): datetime(2008, 1, 31), |
| 248 | + datetime(2008, 2, 29): datetime(2008, 1, 31), |
| 249 | + datetime(2008, 3, 15): datetime(2008, 1, 31), |
| 250 | + datetime(2008, 3, 31): datetime(2008, 1, 31), |
| 251 | + datetime(2008, 4, 15): datetime(2008, 1, 31), |
| 252 | + datetime(2008, 4, 30): datetime(2008, 1, 31), |
| 253 | + }, |
| 254 | + ) |
| 255 | + ) |
| 256 | + |
| 257 | + offset_cases.append( |
| 258 | + ( |
| 259 | + BQuarterEnd(startingMonth=1, n=2), |
| 260 | + { |
| 261 | + datetime(2008, 1, 31): datetime(2008, 7, 31), |
| 262 | + datetime(2008, 2, 15): datetime(2008, 7, 31), |
| 263 | + datetime(2008, 2, 29): datetime(2008, 7, 31), |
| 264 | + datetime(2008, 3, 15): datetime(2008, 7, 31), |
| 265 | + datetime(2008, 3, 31): datetime(2008, 7, 31), |
| 266 | + datetime(2008, 4, 15): datetime(2008, 7, 31), |
| 267 | + datetime(2008, 4, 30): datetime(2008, 10, 31), |
| 268 | + }, |
| 269 | + ) |
| 270 | + ) |
| 271 | + |
| 272 | + @pytest.mark.parametrize("case", offset_cases) |
| 273 | + def test_offset(self, case): |
| 274 | + offset, cases = case |
| 275 | + for base, expected in cases.items(): |
| 276 | + assert_offset_equal(offset, base, expected) |
| 277 | + |
| 278 | + on_offset_cases = [ |
| 279 | + (BQuarterEnd(1, startingMonth=1), datetime(2008, 1, 31), True), |
| 280 | + (BQuarterEnd(1, startingMonth=1), datetime(2007, 12, 31), False), |
| 281 | + (BQuarterEnd(1, startingMonth=1), datetime(2008, 2, 29), False), |
| 282 | + (BQuarterEnd(1, startingMonth=1), datetime(2007, 3, 30), False), |
| 283 | + (BQuarterEnd(1, startingMonth=1), datetime(2007, 3, 31), False), |
| 284 | + (BQuarterEnd(1, startingMonth=1), datetime(2008, 4, 30), True), |
| 285 | + (BQuarterEnd(1, startingMonth=1), datetime(2008, 5, 30), False), |
| 286 | + (BQuarterEnd(1, startingMonth=1), datetime(2007, 6, 29), False), |
| 287 | + (BQuarterEnd(1, startingMonth=1), datetime(2007, 6, 30), False), |
| 288 | + (BQuarterEnd(1, startingMonth=2), datetime(2008, 1, 31), False), |
| 289 | + (BQuarterEnd(1, startingMonth=2), datetime(2007, 12, 31), False), |
| 290 | + (BQuarterEnd(1, startingMonth=2), datetime(2008, 2, 29), True), |
| 291 | + (BQuarterEnd(1, startingMonth=2), datetime(2007, 3, 30), False), |
| 292 | + (BQuarterEnd(1, startingMonth=2), datetime(2007, 3, 31), False), |
| 293 | + (BQuarterEnd(1, startingMonth=2), datetime(2008, 4, 30), False), |
| 294 | + (BQuarterEnd(1, startingMonth=2), datetime(2008, 5, 30), True), |
| 295 | + (BQuarterEnd(1, startingMonth=2), datetime(2007, 6, 29), False), |
| 296 | + (BQuarterEnd(1, startingMonth=2), datetime(2007, 6, 30), False), |
| 297 | + (BQuarterEnd(1, startingMonth=3), datetime(2008, 1, 31), False), |
| 298 | + (BQuarterEnd(1, startingMonth=3), datetime(2007, 12, 31), True), |
| 299 | + (BQuarterEnd(1, startingMonth=3), datetime(2008, 2, 29), False), |
| 300 | + (BQuarterEnd(1, startingMonth=3), datetime(2007, 3, 30), True), |
| 301 | + (BQuarterEnd(1, startingMonth=3), datetime(2007, 3, 31), False), |
| 302 | + (BQuarterEnd(1, startingMonth=3), datetime(2008, 4, 30), False), |
| 303 | + (BQuarterEnd(1, startingMonth=3), datetime(2008, 5, 30), False), |
| 304 | + (BQuarterEnd(1, startingMonth=3), datetime(2007, 6, 29), True), |
| 305 | + (BQuarterEnd(1, startingMonth=3), datetime(2007, 6, 30), False), |
| 306 | + ] |
| 307 | + |
| 308 | + @pytest.mark.parametrize("case", on_offset_cases) |
| 309 | + def test_is_on_offset(self, case): |
| 310 | + offset, dt, expected = case |
| 311 | + assert_is_on_offset(offset, dt, expected) |
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