Python random.py方法代码示例

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_unexecuted_file(self):
        cov = coverage.Coverage()

        self.make_file("mycode.py", """\
            a = 1
            b = 2
            if b == 3:
                c = 4
            d = 5
            """)

        self.make_file("not_run.py", """\
            fooey = 17
            """)

        # Import the Python file, executing it.
        self.start_import_stop(cov, "mycode")

        _, statements, missing, _ = cov.analysis("not_run.py")
        self.assertEqual(statements, [1])
        self.assertEqual(missing, [1]) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_include_can_measure_stdlib(self):
        self.make_file("mymain.py", """\
            import colorsys, random
            a = 1
            r, g, b = [random.random() for _ in range(3)]
            hls = colorsys.rgb_to_hls(r, g, b)
            """)

        # Measure without the stdlib, but include colorsys.
        cov1 = coverage.Coverage(cover_pylib=False, include=["*/colorsys.py"])
        self.start_import_stop(cov1, "mymain")

        # some statements were marked executed in colorsys.py
        _, statements, missing, _ = cov1.analysis("colorsys.py")
        self.assertNotEqual(statements, missing)
        # but none were in random.py
        _, statements, missing, _ = cov1.analysis("random.py")
        self.assertEqual(statements, missing) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_combining_corrupt_data(self):
        # If you combine a corrupt data file, then you will get a warning,
        # and the file will remain.
        self.make_good_data_files()
        self.make_bad_data_file()
        cov = coverage.Coverage()
        warning_regex = (
            r"Couldn't read data from '.*\.coverage\.foo': "
            r"CoverageException: Doesn't seem to be a coverage\.py data file"
        )
        with self.assert_warnings(cov, [warning_regex]):
            cov.combine()

        # We got the results from code1 and code2 properly.
        self.check_code1_code2(cov)

        # The bad file still exists.
        self.assert_exists(".coverage.foo") 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_combining_twice(self):
        self.make_good_data_files()
        cov1 = coverage.Coverage()
        cov1.combine()
        cov1.save()
        self.check_code1_code2(cov1)

        cov2 = coverage.Coverage()
        with self.assertRaisesRegex(CoverageException, r"No data to combine"):
            cov2.combine(strict=True)

        cov3 = coverage.Coverage()
        cov3.combine()
        # Now the data is empty!
        _, statements, missing, _ = cov3.analysis("code1.py")
        self.assertEqual(statements, [1])
        self.assertEqual(missing, [1])
        _, statements, missing, _ = cov3.analysis("code2.py")
        self.assertEqual(statements, [1, 2])
        self.assertEqual(missing, [1, 2]) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_warnings(self):
        self.make_file("hello.py", """\
            import sys, os
            print("Hello")
            """)
        cov = coverage.Coverage(source=["sys", "xyzzy", "quux"])
        self.start_import_stop(cov, "hello")
        cov.get_data()

        out = self.stdout()
        self.assertIn("Hello\n", out)

        err = self.stderr()
        self.assertIn(textwrap.dedent("""\
            Coverage.py warning: Module sys has no Python source. (module-not-python)
            Coverage.py warning: Module xyzzy was never imported. (module-not-imported)
            Coverage.py warning: Module quux was never imported. (module-not-imported)
            Coverage.py warning: No data was collected. (no-data-collected)
            """), err) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_source_and_include_dont_conflict(self):
        # A bad fix made this case fail: https://bitbucket.org/ned/coveragepy/issues/541
        self.make_file("a.py", "import b\na = 1")
        self.make_file("b.py", "b = 1")
        self.make_file(".coveragerc", """\
            [run]
            source = .
            """)

        # Just like: coverage run a.py
        cov = coverage.Coverage()
        self.start_import_stop(cov, "a")
        cov.save()

        # Run the equivalent of: coverage report --include=b.py
        cov = coverage.Coverage(include=["b.py"])
        cov.load()
        # There should be no exception. At one point, report() threw:
        # CoverageException: --include and --source are mutually exclusive
        cov.report()
        self.assertEqual(self.stdout(), textwrap.dedent("""\
            Name    Stmts   Miss  Cover
            ---------------------------
            b.py        1      0   100%
            """)) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def coverage_usepkgs(self, **kwargs):
        """Run coverage on usepkgs and return the line summary.

        Arguments are passed to the `coverage.Coverage` constructor.

        """
        cov = coverage.Coverage(**kwargs)
        cov.start()
        import usepkgs  # pragma: nested   # pylint: disable=import-error, unused-variable
        cov.stop()      # pragma: nested
        data = cov.get_data()
        summary = data.line_counts()
        for k, v in list(summary.items()):
            assert k.endswith(".py")
            summary[k[:-3]] = v
        return summary 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def pretend_to_be_nose_with_cover(self, erase):
        """This is what the nose --with-cover plugin does."""
        cov = coverage.Coverage()

        self.make_file("no_biggie.py", """\
            a = 1
            b = 2
            if b == 1:
                c = 4
            """)

        if erase:
            cov.combine()
            cov.erase()
        cov.load()
        self.start_import_stop(cov, "no_biggie")
        cov.combine()
        cov.save()
        cov.report(["no_biggie.py"], show_missing=True)
        self.assertEqual(self.stdout(), textwrap.dedent("""\
            Name           Stmts   Miss  Cover   Missing
            --------------------------------------------
            no_biggie.py       4      1    75%   4
            """)) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_combining_twice(self):
        self.make_good_data_files()
        cov1 = coverage.Coverage()
        cov1.combine()
        cov1.save()
        self.check_code1_code2(cov1)
        self.assert_file_count(".coverage.*", 0)
        self.assert_exists(".coverage")

        cov2 = coverage.Coverage()
        with self.assertRaisesRegex(CoverageException, r"No data to combine"):
            cov2.combine(strict=True)

        cov3 = coverage.Coverage()
        cov3.combine()
        # Now the data is empty!
        _, statements, missing, _ = cov3.analysis("code1.py")
        self.assertEqual(statements, [1])
        self.assertEqual(missing, [1])
        _, statements, missing, _ = cov3.analysis("code2.py")
        self.assertEqual(statements, [1, 2])
        self.assertEqual(missing, [1, 2]) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_warnings_suppressed(self):
        self.make_file("hello.py", """\
            import sys, os
            print("Hello")
            """)
        self.make_file(".coveragerc", """\
            [run]
            disable_warnings = no-data-collected, module-not-imported
            """)
        cov = coverage.Coverage(source=["sys", "xyzzy", "quux"])
        self.start_import_stop(cov, "hello")
        cov.get_data()

        out = self.stdout()
        self.assertIn("Hello\n", out)

        err = self.stderr()
        self.assertIn(
            "Coverage.py warning: Module sys has no Python source. (module-not-python)",
            err
        )
        self.assertNotIn("module-not-imported", err)
        self.assertNotIn("no-data-collected", err) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def coverage_usepkgs(self, **kwargs):
        """Run coverage on usepkgs and return the line summary.

        Arguments are passed to the `coverage.Coverage` constructor.

        """
        cov = coverage.Coverage(**kwargs)
        cov.start()
        import usepkgs  # pragma: nested   # pylint: disable=import-error, unused-import
        cov.stop()      # pragma: nested
        data = cov.get_data()
        summary = line_counts(data)
        for k, v in list(summary.items()):
            assert k.endswith(".py")
            summary[k[:-3]] = v
        return summary 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_moving_stuff_with_relative(self):
        # When using relative file names, moving the source around is fine.
        self.make_file("foo.py", "a = 1")
        self.make_file(".coveragerc", """\
            [run]
            relative_files = true
            """)
        cov = coverage.Coverage(source=["."])
        self.start_import_stop(cov, "foo")
        res = cov.report()
        assert res == 100

        os.remove("foo.py")
        self.make_file("new/foo.py", "a = 1")
        shutil.move(".coverage", "new/.coverage")
        shutil.move(".coveragerc", "new/.coveragerc")
        with change_dir("new"):
            cov = coverage.Coverage()
            cov.load()
            res = cov.report()
            assert res == 100 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def predict_randrange(self, start, stop=None, step=1, _int=int):
        # Adopted messy code from random.py module
        # In fact only changed _randbelow() method calls to predict_randbelow()
        istart = _int(start)
        if istart != start:
            raise ValueError("non-integer arg 1 for randrange()")
        if stop is None:
            if istart > 0:
                return self.predict_randbelow(istart)
            raise ValueError("empty range for randrange()")

        # stop argument supplied.
        istop = _int(stop)
        if istop != stop:
            raise ValueError("non-integer stop for randrange()")
        width = istop - istart
        if step == 1 and width > 0:
            return istart + self.predict_randbelow(width)
        if step == 1:
            raise ValueError("empty range for randrange() (%d,%d, %d)" % (istart, istop, width))

        # Non-unit step argument supplied.
        istep = _int(step)
        if istep != step:
            raise ValueError("non-integer step for randrange()")
        if istep > 0:
            n = (width + istep - 1) // istep
        elif istep < 0:
            n = (width + istep + 1) // istep
        else:
            raise ValueError("zero step for randrange()")

        if n <= 0:
            raise ValueError("empty range for randrange()")

        return istart + istep * self.predict_randbelow(n) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def assertFiles(self, files):
        """Assert that the files here are `files`, ignoring the usual junk."""
        here = os.listdir(".")
        here = self.clean_files(here, ["*.pyc", "__pycache__", "*$py.class"])
        self.assertCountEqual(here, files) 

# 需要导入模块: import random [as 别名]
# 或者: from random import py [as 别名]
def test_filenames(self):

        self.make_file("mymain.py", """\
            import mymod
            a = 1
            """)

        self.make_file("mymod.py", """\
            fooey = 17
            """)

        # Import the Python file, executing it.
        cov = coverage.Coverage()
        self.start_import_stop(cov, "mymain")

        filename, _, _, _ = cov.analysis("mymain.py")
        self.assertEqual(os.path.basename(filename), "mymain.py")
        filename, _, _, _ = cov.analysis("mymod.py")
        self.assertEqual(os.path.basename(filename), "mymod.py")

        filename, _, _, _ = cov.analysis(sys.modules["mymain"])
        self.assertEqual(os.path.basename(filename), "mymain.py")
        filename, _, _, _ = cov.analysis(sys.modules["mymod"])
        self.assertEqual(os.path.basename(filename), "mymod.py")

        # Import the Python file, executing it again, once it's been compiled
        # already.
        cov = coverage.Coverage()
        self.start_import_stop(cov, "mymain")

        filename, _, _, _ = cov.analysis("mymain.py")
        self.assertEqual(os.path.basename(filename), "mymain.py")
        filename, _, _, _ = cov.analysis("mymod.py")
        self.assertEqual(os.path.basename(filename), "mymod.py")

        filename, _, _, _ = cov.analysis(sys.modules["mymain"])
        self.assertEqual(os.path.basename(filename), "mymain.py")
        filename, _, _, _ = cov.analysis(sys.modules["mymod"])
        self.assertEqual(os.path.basename(filename), "mymod.py")