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"""Tests for Coverage.py's results analysis."""
import os, sys
from coverage.results import Numbers
sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
from coveragetest import CoverageTest
class NumbersTest(CoverageTest):
"""Tests for Coverage.py's numeric measurement summaries."""
run_in_temp_dir = False
def test_basic(self):
n1 = Numbers(n_files=1, n_statements=200, n_missing=20)
self.assertEqual(n1.n_statements, 200)
self.assertEqual(n1.n_executed, 180)
self.assertEqual(n1.n_missing, 20)
self.assertEqual(n1.pc_covered, 90)
def test_addition(self):
n1 = Numbers(n_files=1, n_statements=200, n_missing=20)
n2 = Numbers(n_files=1, n_statements=10, n_missing=8)
n3 = n1 + n2
self.assertEqual(n3.n_files, 2)
self.assertEqual(n3.n_statements, 210)
self.assertEqual(n3.n_executed, 182)
self.assertEqual(n3.n_missing, 28)
self.assertAlmostEqual(n3.pc_covered, 86.666666666)
def test_sum(self):
n1 = Numbers(n_files=1, n_statements=200, n_missing=20)
n2 = Numbers(n_files=1, n_statements=10, n_missing=8)
n3 = sum([n1, n2])
self.assertEqual(n3.n_files, 2)
self.assertEqual(n3.n_statements, 210)
self.assertEqual(n3.n_executed, 182)
self.assertEqual(n3.n_missing, 28)
self.assertAlmostEqual(n3.pc_covered, 86.666666666)
def test_pc_covered_str(self):
n0 = Numbers(n_files=1, n_statements=1000, n_missing=0)
n1 = Numbers(n_files=1, n_statements=1000, n_missing=1)
n999 = Numbers(n_files=1, n_statements=1000, n_missing=999)
n1000 = Numbers(n_files=1, n_statements=1000, n_missing=1000)
self.assertEqual(n0.pc_covered_str, "100")
self.assertEqual(n1.pc_covered_str, "99")
self.assertEqual(n999.pc_covered_str, "1")
self.assertEqual(n1000.pc_covered_str, "0")
def test_pc_covered_str_precision(self):
assert Numbers._precision == 0
Numbers.set_precision(1)
n0 = Numbers(n_files=1, n_statements=10000, n_missing=0)
n1 = Numbers(n_files=1, n_statements=10000, n_missing=1)
n9999 = Numbers(n_files=1, n_statements=10000, n_missing=9999)
n10000 = Numbers(n_files=1, n_statements=10000, n_missing=10000)
self.assertEqual(n0.pc_covered_str, "100.0")
self.assertEqual(n1.pc_covered_str, "99.9")
self.assertEqual(n9999.pc_covered_str, "0.1")
self.assertEqual(n10000.pc_covered_str, "0.0")
Numbers.set_precision(0)
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