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"""Test text-based summary reporting for coverage.py"""
import os, re, sys, textwrap
import coverage
from coverage.backward import StringIO
sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
from coveragetest import CoverageTest
class SummaryTest(CoverageTest):
"""Tests of the text summary reporting for coverage.py."""
def setUp(self):
super(SummaryTest, self).setUp()
self.make_file("mycode.py", """\
import covmod1
import covmodzip1
a = 1
print ('done')
""")
# Parent class saves and restores sys.path, we can just modify it.
sys.path.append(self.nice_file(os.path.dirname(__file__), 'modules'))
def report_from_command(self, cmd):
"""Return the report from the `cmd`, with some convenience added."""
report = self.run_command(cmd).replace('\\', '/')
self.assertFalse("error" in report.lower())
return report
def line_count(self, report):
"""How many lines are in `report`?"""
self.assertEqual(report.split('\n')[-1], "")
return len(report.split('\n')) - 1
def last_line_squeezed(self, report):
"""Return the last line of `report` with the spaces squeezed down."""
last_line = report.split('\n')[-2]
return re.sub(r"\s+", " ", last_line)
def test_report(self):
out = self.run_command("coverage -x mycode.py")
self.assertEqual(out, 'done\n')
report = self.report_from_command("coverage -r")
# Name Stmts Miss Cover
# ---------------------------------------------------------------------
# c:/ned/coverage/trunk/test/modules/covmod1 2 0 100%
# c:/ned/coverage/trunk/test/zipmods.zip/covmodzip1 2 0 100%
# mycode 4 0 100%
# ---------------------------------------------------------------------
# TOTAL 8 0 100%
self.assertFalse("/coverage/__init__/" in report)
self.assertTrue("/test/modules/covmod1 " in report)
self.assertTrue("/test/zipmods.zip/covmodzip1 " in report)
self.assertTrue("mycode " in report)
self.assertEqual(self.last_line_squeezed(report), "TOTAL 8 0 100%")
def test_report_just_one(self):
# Try reporting just one module
self.run_command("coverage -x mycode.py")
report = self.report_from_command("coverage -r mycode.py")
# Name Stmts Miss Cover
# ----------------------------
# mycode 4 0 100%
self.assertEqual(self.line_count(report), 3)
self.assertFalse("/coverage/" in report)
self.assertFalse("/test/modules/covmod1 " in report)
self.assertFalse("/test/zipmods.zip/covmodzip1 " in report)
self.assertTrue("mycode " in report)
self.assertEqual(self.last_line_squeezed(report), "mycode 4 0 100%")
def test_report_omitting(self):
# Try reporting while omitting some modules
prefix = os.path.split(__file__)[0]
self.run_command("coverage -x mycode.py")
report = self.report_from_command("coverage -r -o '%s/*'" % prefix)
# Name Stmts Miss Cover
# ----------------------------
# mycode 4 0 100%
self.assertEqual(self.line_count(report), 3)
self.assertFalse("/coverage/" in report)
self.assertFalse("/test/modules/covmod1 " in report)
self.assertFalse("/test/zipmods.zip/covmodzip1 " in report)
self.assertTrue("mycode " in report)
self.assertEqual(self.last_line_squeezed(report), "mycode 4 0 100%")
def test_report_including(self):
# Try reporting while including some modules
self.run_command("coverage run mycode.py")
report = self.report_from_command("coverage report --include=mycode*")
# Name Stmts Miss Cover
# ----------------------------
# mycode 4 0 100%
self.assertEqual(self.line_count(report), 3)
self.assertFalse("/coverage/" in report)
self.assertFalse("/test/modules/covmod1 " in report)
self.assertFalse("/test/zipmods.zip/covmodzip1 " in report)
self.assertTrue("mycode " in report)
self.assertEqual(self.last_line_squeezed(report), "mycode 4 0 100%")
def test_report_branches(self):
self.make_file("mybranch.py", """\
def branch(x):
if x:
print("x")
return x
branch(1)
""")
out = self.run_command("coverage run --branch mybranch.py")
self.assertEqual(out, 'x\n')
report = self.report_from_command("coverage report")
# Name Stmts Miss Branch BrPart Cover
# --------------------------------------------
# mybranch 5 0 2 1 85%
self.assertEqual(self.line_count(report), 3)
self.assertTrue("mybranch " in report)
self.assertEqual(self.last_line_squeezed(report),
"mybranch 5 0 2 1 86%")
class SummaryTest2(CoverageTest):
"""Another bunch of summary tests."""
# This class exists because tests naturally clump into classes based on the
# needs of their setUp and tearDown, rather than the product features they
# are testing. There's probably a better way to organize these.
run_in_temp_dir = False
def setUp(self):
super(SummaryTest2, self).setUp()
# Parent class saves and restores sys.path, we can just modify it.
sys.path.append(self.nice_file(os.path.dirname(__file__), 'modules'))
def test_empty_files(self):
cov = coverage.coverage()
cov.start()
import usepkgs # pylint: disable=F0401,W0612
cov.stop()
repout = StringIO()
cov.report(file=repout, show_missing=False)
report = repout.getvalue().replace('\\', '/')
self.assertMultiLineEqual(report, textwrap.dedent("""\
Name Stmts Miss Cover
------------------------------------------------
test/modules/pkg1/__init__ 1 0 100%
test/modules/pkg1/p1a 3 0 100%
test/modules/pkg1/p1b 3 0 100%
test/modules/pkg2/__init__ 0 0 100%
test/modules/pkg2/p2a 3 0 100%
test/modules/pkg2/p2b 3 0 100%
test/modules/usepkgs 2 0 100%
------------------------------------------------
TOTAL 15 0 100%
"""))
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