def test_honors_max_regions(self):
"""Test that when force_num_regions is False, MAX_NUM_REGIONS is used to set region size.
"""
r_size = summarize_coverage.get_region_size(50000, 10000, 0, 100,
False)
ugly_expected_r_size = 50000.0 / \
(summarize_coverage.Constants.MAX_NUM_REGIONS / 10000)
pretty_expected_r_size = summarize_coverage.get_pretty_value(
ugly_expected_r_size)
self.assertEqual(r_size, pretty_expected_r_size)
def test_honors_max_regions(self):
"""Test that when force_num_regions is False, MAX_NUM_REGIONS is used to set region size.
"""
r_size = summarize_coverage.get_region_size(
50000, 10000, 0, 100, False)
ugly_expected_r_size = 50000.0 / \
(summarize_coverage.Constants.MAX_NUM_REGIONS / 10000)
pretty_expected_r_size = summarize_coverage.get_pretty_value(
ugly_expected_r_size)
self.assertEqual(r_size, pretty_expected_r_size)
def test_pretty_is_nearby(self):
"""Test the pretty value is near the ugly value."""
list_of_primes = self.primes(1000000)
for prime in list_of_primes:
pretty_prime = summarize_coverage.get_pretty_value(prime)
diff_pct = min(abs(pretty_prime / float(prime) - 1),
abs(prime / float(pretty_prime) - 1))
# This is not a very tight bound, but it's what we've got
self.assertTrue(diff_pct < 0.55 or abs(prime - pretty_prime) < 10)
def test_pretty_is_nearby(self):
"""Test the pretty value is near the ugly value."""
list_of_primes = self.primes(1000000)
for prime in list_of_primes:
pretty_prime = summarize_coverage.get_pretty_value(prime)
diff_pct = min(
abs(pretty_prime / float(prime) - 1),
abs(prime / float(pretty_prime) - 1))
# This is not a very tight bound, but it's what we've got
self.assertTrue(diff_pct < 0.55 or abs(prime - pretty_prime) < 10)
