Source

coverage.py / tests / test_results.py

"""Tests for Coverage.py's results analysis."""

from coverage.results import Numbers
from tests.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)
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.