def test_delta_sign(self):
"""Delta class sign.
"""
d = Delta("+-")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(-1, 0), False)
self.assertEquals(d.cmp(-1, 1), True)
def test_delta_val(self):
"""Delta class value, same absolute equality.
"""
d = Delta("+-3.0=")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(1, 4), True)
self.assertEquals(d.cmp(4, 1), True)
def test_delta_val(self):
"""Delta class value, same percentage equality.
"""
d = Delta("+-25=%")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(8, 4), True)
self.assertEquals(d.cmp(8, 6), True)
def test_delta_val(self):
"""Delta class value, different absolute.
"""
d = Delta("+2.5-1.5")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(1, 3), False)
self.assertEquals(d.cmp(3, 1), True)
def test_delta_val(self):
"""Delta class value, same absolute equality.
"""
d = Delta("+-3.0=")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(1, 4), True)
self.assertEquals(d.cmp(4, 1), True)
def test_delta_sign(self):
"""Delta class sign.
"""
d = Delta("+-")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(-1, 0), False)
self.assertEquals(d.cmp(-1, 1), True)
def test_delta_val(self):
"""Delta class value, same percentage equality.
"""
d = Delta("+-25=%")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(8, 4), True)
self.assertEquals(d.cmp(8, 6), True)
def test_delta_val(self):
"""Delta class value, different absolute.
"""
d = Delta("+2.5-1.5")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(1, 3), False)
self.assertEquals(d.cmp(3, 1), True)
def test_delta_val(self):
"""Delta class value, same absolute.
"""
d = Delta("+-3")
self.assertEqual(d.cmp(0, 1), False)
self.assertEqual(d.cmp(1, 4), False)
self.assertEqual(d.cmp(1, 5), True)
def test_delta_val(self):
"""Delta class value, different percentage equality.
"""
d = Delta("+50-25=%")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(8, 4), True)
self.assertEquals(d.cmp(8, 6), True)
self.assertEquals(d.cmp(6, 8), False)
self.assertEquals(d.cmp(6, 9), True)
def test_delta_val(self):
"""Delta class value, different percentage equality.
"""
d = Delta("+50-25=%")
self.assertEquals(d.cmp(0, 1), False)
self.assertEquals(d.cmp(8, 4), True)
self.assertEquals(d.cmp(8, 6), True)
self.assertEquals(d.cmp(6, 8), False)
self.assertEquals(d.cmp(6, 9), True)
def test_delta_minus(self):
"""Delta class value 'minus only'.
"""
d = Delta("-50")
self.assertEquals(d.cmp(0, 50), False)
self.assertEquals(d.cmp(51, 0), True)
self.assertEquals(d.cmp(5, 10), False)
d = Delta("-50=")
self.assertEquals(d.cmp(50, 0), True)
d = Delta("-50%")
self.assertEquals(d.cmp(25, 10), True)
self.assertEquals(d.cmp(10, 25), False)
def test_delta_plus(self):
"""Delta class value 'plus only'.
"""
d = Delta("+50")
self.assertEquals(d.cmp(0, 50), False)
self.assertEquals(d.cmp(0, 51), True)
self.assertEquals(d.cmp(10, 5), False)
d = Delta("+50=")
self.assertEquals(d.cmp(0, 50), True)
d = Delta("+50%")
self.assertEquals(d.cmp(10, 25), True)
self.assertEquals(d.cmp(25, 10), False)
def test_numprops_different_pct(self):
"""Keys and props, some props different, check pct change.
"""
# Perform diff.
minus, plus = 10, 20
df = Differ(key='name',
deltas={"energy": Delta("+{}-{}=%".format(plus, minus))})
d = df.diff(*self.engines)
# Calculate expected results.
def is_different(a, b):
pct = 100.0 * (b - a) / a
return pct <= -minus or pct >= plus
changed = sum((int(is_different(e[0], e[1])) for e in self.energies))
# Check results.
if len(d[Differ.CHANGED]) != changed:
result = d[Differ.CHANGED]
msg = "Values:\n"
for i, e in enumerate(self.energies):
if not is_different(*e):
continue
msg += "{:d}) {:f} {:f}\n".format(i, e[0], e[1])
msg += "Result:\n"
for i, r in enumerate(result):
msg += "{:d}) {} {}\n".format(i, r["old"], r["new"])
self.assertEqual(len(d[Differ.CHANGED]), changed, msg=msg)
def test_numprops_same(self):
"""Keys and props, all are the same.
"""
# Perform diff.
df = Differ(key='name', deltas={"zero": Delta("+-0.001")})
d = df.diff(*self.engines)
# Check results.
self.assertEqual(len(d[Differ.CHANGED]), 0)
def test_numprops_different_sign(self):
"""Keys and props, some props different.
"""
# Perform diff.
df = Differ(key='name', deltas={"energy": Delta("+-")})
d = df.diff(*self.engines)
# Calculate expected results.
is_different = lambda a, b: a < 0 < b or b < 0 < a
changed = sum((int(is_different(e[0], e[1])) for e in self.energies))
# Check results.
self.assertEqual(len(d[Differ.CHANGED]), changed)
def test_delta_minus(self):
"""Delta class value 'minus only'.
"""
d = Delta("-50")
self.assertEquals(d.cmp(0, 50), False)
self.assertEquals(d.cmp(51, 0), True)
self.assertEquals(d.cmp(5, 10), False)
d = Delta("-50=")
self.assertEquals(d.cmp(50, 0), True)
d = Delta("-50%")
self.assertEquals(d.cmp(25, 10), True)
self.assertEquals(d.cmp(10, 25), False)
def test_delta_plus(self):
"""Delta class value 'plus only'.
"""
d = Delta("+50")
self.assertEquals(d.cmp(0, 50), False)
self.assertEquals(d.cmp(0, 51), True)
self.assertEquals(d.cmp(10, 5), False)
d = Delta("+50=")
self.assertEquals(d.cmp(0, 50), True)
d = Delta("+50%")
self.assertEquals(d.cmp(10, 25), True)
self.assertEquals(d.cmp(25, 10), False)