def test_diffs_cells():
test_cases = json.load(open('test_cases_cells.json'))
for test_case in test_cases:
result = diff(test_case['before'], test_case['after'])
def gentest():
result = diff(test_case['before'], test_case['after'])
for (expected, actual) in zip(test_case['diff'], result):
eq_(expected, actual)
yield gentest
def test_diffs_cells():
test_cases = json.load(open('test_cases_cells.json'))
for test_case in test_cases:
result = diff(test_case['before'], test_case['after'])
def gentest():
result = diff(test_case['before'], test_case['after'])
for (expected, actual) in zip(test_case['diff'], result):
eq_(expected, actual)
yield gentest
def test_diff2():
A = [
{},
]
B = [
{}
]
result = diff(A, B)
expected = [
{"state": 'unchanged', 'value':{}}
]
eq_(result, expected)
def test_diff4():
A = [
{u'input': [u'x = [0,2,4]\n', u'y = {5, 6, 7} \n', u'm']},
]
B = [
{u'input': [u'x = [1,3,3]\n', u'z = {1, 2, 3} \n', u'\n', u'z']}
]
result = diff(A, B)
expected = [
{"state": 'deleted', 'value': {u'input': [u'x = [0,2,4]\n', u'y = {5, 6, 7} \n', u'm']}},
{"state": 'added', 'value': {u'input': [u'x = [1,3,3]\n', u'z = {1, 2, 3} \n', u'\n', u'z']}},
]
eq_(result, expected)
def test_diff():
A = "abcabba"
B = "cbabac"
result = diff(A, B)
expected = [
{"state": 'deleted', 'value': 'a'},
{"state": 'added', 'value': 'c'},
{"state": 'unchanged', 'value': 'b'},
{"state": 'deleted', 'value': 'c'},
{"state": 'unchanged', 'value': 'a'},
{"state": 'unchanged', 'value': 'b'},
{"state": 'deleted', 'value': 'b'},
{"state": 'unchanged', 'value': 'a'},
{"state": 'added', 'value': 'c'},
]
eq_(result, expected)
diff("aaaaaaaaaaaaaaaaaaaa", "bbbbbbaaaaaaaaaaabbbbbbbbbbb")
diff("cabcdef", "abdef")
diff("ca", "abdef")
def test_diff1():
A = [
{u'input': [u'x = [1,3,4]\n', u'z = {1, 2, 3} \n', u'\n', u'm']},
{u'input': [u'x = [1,3,3]\n', u'z = {1, 2, 3} \n', u'\n', u'z']}
]
B = [
{u'input': [u'x = [1,3,4]\n', u'z = {1, 2, 3} \n', u'\n', u'm']}
]
result = diff(A, B)
expected = [
{"state": 'unchanged',
'value': {u'input': [
u'x = [1,3,4]\n',
u'z = {1, 2, 3} \n',
u'\n',
u'm']}},
{"state": 'deleted',
'value': {u'input': [
u'x = [1,3,3]\n',
u'z = {1, 2, 3} \n',
u'\n',
u'z']}}
]
eq_(result, expected)
def gentest():
result = diff(test_case['before'], test_case['after'])
for (expected, actual) in zip(test_case['diff'], result):
eq_(expected, actual)
def gentest():
result = diff(test_case['before'], test_case['after'])
for (expected, actual) in zip(test_case['diff'], result):
eq_(expected, actual)
def test_empty_diff2():
result = diff([], ['a'])
assert len(result) == 1
def test_empty_diff1():
result = diff(['a'], [])
assert len(result) == 1
def test_empty_diff():
result = diff([], [])
assert len(result) == 0
def test_modified():
cell1 = {
"cell_type": "code",
"collapsed": False,
"input": [
"x",
"x",
"x",
"x",
"x",
"x",
"y"
],
"language": "python",
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Hello, world!\n",
"Hello, world!\n"
]
}
],
"prompt_number": 29
}
cell2 = {
"cell_type": "code",
"collapsed": False,
"input": [
"x",
"x",
"x",
"x",
"x",
"x"
],
"language": "python",
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Hello, world!\n",
"Hello, world!\n"
]
}
],
"prompt_number": 29
}
import nbdiff.comparable as c
class FakeComparator(object):
'''Test comparator object. Will compare as modified if it is "close to"
the specified values'''
def __init__(self, foo, closeto=[]):
self.foo = foo
self.closeto = closeto
def __eq__(self, other):
if other.foo in self.closeto:
return c.BooleanPlus(True, True)
else:
return self.foo == other.foo
# ensure this doesn't crash at the least
result = diff(['a', 'b', 'c'], ['b', 'c'], check_modified=False)
assert result[0]['state'] == 'deleted'
assert result[0]['value'] == 'a'
# it doesn't break strings when check_modified is True
diff(['a', 'b', 'c'], ['b', 'c'], check_modified=True)
# ensure CellComparators do actually produce booleanpluses
# if they are similar enough
# TODO this should be in its own test in a separate file.
c1 = c.CellComparator(cell1, check_modified=True)
c2 = c.CellComparator(cell2, check_modified=True)
assert type(c1 == c2) == c.BooleanPlus
result = diff([c1, c2, c2, c2], [c2, c2, c2, c2], check_modified=True)
assert result[0]['state'] == 'modified'
c1 = FakeComparator(1, [2, 3])
c2 = FakeComparator(2, [1, 3])
c3 = FakeComparator(10, [])
c4 = FakeComparator(2, [])
c5 = FakeComparator(3, [])
# c1 -> c4
# c2 -> c5
# c3 -> deleted
result = diff([c1, c2, c3], [c4, c5], check_modified=True)
assert result[0]['state'] == 'modified'
assert result[1]['state'] == 'modified'
assert result[2]['state'] == 'deleted'
