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twelve-days: re-implement according to canonical data #1306

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Merged
merged 5 commits into from
Feb 20, 2018
Merged

twelve-days: re-implement according to canonical data #1306

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991807a
twelve-days: update tests to v1.1.0
mrcfps Feb 17, 2018
93d5984
twelve-days: re-implement stub to match canonical data
mrcfps Feb 17, 2018
778deb0
twelve-days: improve example to pass tests v1.1.0
mrcfps Feb 17, 2018
4d12776
twelve-days: adopt concise tests of lyrics
mrcfps Feb 20, 2018
6955e84
Merge branch 'master' into twelve-days-1221
cmccandless Feb 20, 2018
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11 changes: 3 additions & 8 deletions exercises/twelve-days/example.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,9 @@ def verse(day_number):
if len(gifts) > 1:
gifts[:-1] = [', '.join(gifts[:-1])]
gifts = ', and '.join(gifts)
return 'On the {} day of Christmas my true love gave to me, {}.\n'.format(
return 'On the {} day of Christmas my true love gave to me, {}.'.format(
ORDINAL[day_number], gifts)


def verses(start, end):
return ''.join([verse(n) + '\n'
for n in range(start, end + 1)])


def sing():
return verses(1, 12)
def recite(start, end):
return [verse(n) for n in range(start, end + 1)]
10 changes: 1 addition & 9 deletions exercises/twelve-days/twelve_days.py
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Original file line number Diff line number Diff line change
@@ -1,10 +1,2 @@
def verse(day_number):
pass


def verses(start, end):
pass


def sing():
def recite(start_verse, end_verse):
pass
101 changes: 51 additions & 50 deletions exercises/twelve-days/twelve_days_test.py
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Original file line number Diff line number Diff line change
@@ -1,79 +1,81 @@
import unittest

from twelve_days import sing, verse, verses
from twelve_days import recite


class TwelveDaysTests(unittest.TestCase):
# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0

class VerseTests(unittest.TestCase):
def test_verse1(self):
expected = ("On the first day of Christmas my true love gave to me, "
"a Partridge in a Pear Tree.\n")
self.assertEqual(verse(1), expected)
expected = ["On the first day of Christmas my true love gave to me, "
"a Partridge in a Pear Tree."]
self.assertEqual(recite(1, 1), expected)

def test_verse2(self):
expected = ("On the second day of Christmas my true love gave to me, "
expected = ["On the second day of Christmas my true love gave to me, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(2), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(2, 2), expected)

def test_verse3(self):
expected = ("On the third day of Christmas my true love gave to me, "
expected = ["On the third day of Christmas my true love gave to me, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(3), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(3, 3), expected)

def test_verse4(self):
expected = ("On the fourth day of Christmas my true love gave to me, "
expected = ["On the fourth day of Christmas my true love gave to me, "
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(4), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(4, 4), expected)

def test_verse5(self):
expected = ("On the fifth day of Christmas my true love gave to me, "
expected = ["On the fifth day of Christmas my true love gave to me, "
"five Gold Rings, "
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(5), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(5, 5), expected)

def test_verse6(self):
expected = ("On the sixth day of Christmas my true love gave to me, "
expected = ["On the sixth day of Christmas my true love gave to me, "
"six Geese-a-Laying, "
"five Gold Rings, "
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(6), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(6, 6), expected)

def test_verse7(self):
expected = ("On the seventh day of Christmas my true love gave to me, "
expected = ["On the seventh day of Christmas my true love gave to me, "
"seven Swans-a-Swimming, "
"six Geese-a-Laying, "
"five Gold Rings, "
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(7), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(7, 7), expected)

def test_verse8(self):
expected = ("On the eighth day of Christmas my true love gave to me, "
expected = ["On the eighth day of Christmas my true love gave to me, "
"eight Maids-a-Milking, "
"seven Swans-a-Swimming, "
"six Geese-a-Laying, "
"five Gold Rings, "
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(8), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(8, 8), expected)

def test_verse9(self):
expected = ("On the ninth day of Christmas my true love gave to me, "
expected = ["On the ninth day of Christmas my true love gave to me, "
"nine Ladies Dancing, "
"eight Maids-a-Milking, "
"seven Swans-a-Swimming, "
Expand All @@ -82,11 +84,11 @@ def test_verse9(self):
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(9), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(9, 9), expected)

def test_verse10(self):
expected = ("On the tenth day of Christmas my true love gave to me, "
expected = ["On the tenth day of Christmas my true love gave to me, "
"ten Lords-a-Leaping, "
"nine Ladies Dancing, "
"eight Maids-a-Milking, "
Expand All @@ -96,11 +98,11 @@ def test_verse10(self):
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(10), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(10, 10), expected)

def test_verse11(self):
expected = ("On the eleventh day of Christmas "
expected = ["On the eleventh day of Christmas "
"my true love gave to me, "
"eleven Pipers Piping, "
"ten Lords-a-Leaping, "
Expand All @@ -112,11 +114,11 @@ def test_verse11(self):
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(11), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(11, 11), expected)

def test_verse12(self):
expected = ("On the twelfth day of Christmas my true love gave to me, "
expected = ["On the twelfth day of Christmas my true love gave to me, "
"twelve Drummers Drumming, "
"eleven Pipers Piping, "
"ten Lords-a-Leaping, "
Expand All @@ -128,23 +130,22 @@ def test_verse12(self):
"four Calling Birds, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n")
self.assertEqual(verse(12), expected)
"and a Partridge in a Pear Tree."]
self.assertEqual(recite(12, 12), expected)

def test_multiple_verses(self):
expected = ("On the first day of Christmas my true love gave to me, "
"a Partridge in a Pear Tree.\n\n"
"On the second day of Christmas my true love gave to me, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n\n"
"On the third day of Christmas my true love gave to me, "
"three French Hens, "
"two Turtle Doves, "
"and a Partridge in a Pear Tree.\n\n")
self.assertEqual(verses(1, 3), expected)

class LyricsTests(unittest.TestCase):
def test_first_three_verses_of_the_song(self):
expected = [recite(n, n)[0] for n in range(1, 4)]
self.assertEqual(recite(1, 3), expected)

def test_three_verses_from_the_middle_of_the_song(self):
expected = [recite(n, n)[0] for n in range(4, 7)]
self.assertEqual(recite(4, 6), expected)

def test_the_whole_song(self):
self.assertEqual(verses(1, 12), sing())
expected = [recite(n, n)[0] for n in range(1, 13)]
self.assertEqual(recite(1, 12), expected)


if __name__ == '__main__':
Expand Down