How to use the soupsieve.compile function in soupsieve

def test_recompile(self):
        """If you feed through the same object, it should pass through unless you change flags."""

        p1 = sv.compile('p[id]')
        p2 = sv.compile(p1)
        self.assertTrue(p1 is p2)

        with pytest.raises(ValueError):
            sv.compile(p1, flags=0x10)

        with pytest.raises(ValueError):
            sv.compile(p1, namespaces={"": ""})

def test_quirks_warn(self):
        """Test that quirks mode raises a warning."""

        sv.purge()

        with warnings.catch_warnings(record=True) as w:
            # Cause all warnings to always be triggered.
            warnings.simplefilter("always")
            # Trigger a warning.
            sv.compile('> p', flags=sv._QUIRKS)
            # Verify some things
            self.assertTrue(len(w) == 1)
            self.assertTrue(issubclass(w[-1].category, sv_util.QuirksWarning))

        with warnings.catch_warnings(record=True) as w:
            # Cause all warnings to always be triggered.
            warnings.simplefilter("always")
            # Trigger a warning.
            sv.compile('[data={}]', flags=sv._QUIRKS)
            # Verify some things
            self.assertTrue(len(w) == 1)
            self.assertTrue(issubclass(w[-1].category, sv_util.QuirksWarning))

def test_syntax_error_with_multiple_lines(self):
        """Test that multiline selector errors have the right position."""

        with self.assertRaises(sv.SelectorSyntaxError) as cm:
            sv.compile(
                'input\n'
                '.field[type=42]')
        e = cm.exception
        self.assertEqual(e.context, '    input\n--> .field[type=42]\n          ^')
        self.assertEqual(e.line, 2)
        self.assertEqual(e.col, 7)

def test_recompile(self):
        """If you feed through the same object, it should pass through unless you change parameters."""

        p1 = sv.compile('p[id]')
        p2 = sv.compile(p1)
        self.assertTrue(p1 is p2)

        with pytest.raises(ValueError):
            sv.compile(p1, flags=sv.DEBUG)

        with pytest.raises(ValueError):
            sv.compile(p1, namespaces={"": ""})

        with pytest.raises(ValueError):
            sv.compile(p1, custom={":--header": 'h1, h2, h3, h4, h5, h6'})

def test_cache(self):
        """Test cache."""

        sv.purge()
        self.assertEqual(sv.cp._cached_css_compile.cache_info().currsize, 0)
        for x in range(1000):
            value = '[value="{}"]'.format(sv_util.ustr(random.randint(1, 10000)))
            p = sv.compile(value)
            self.assertTrue(p.pattern == value)
            self.assertTrue(sv.cp._cached_css_compile.cache_info().currsize > 0)
        self.assertTrue(sv.cp._cached_css_compile.cache_info().currsize == 500)
        sv.purge()
        self.assertEqual(sv.cp._cached_css_compile.cache_info().currsize, 0)

def test_invalid_mode(self):
        """Test invalid mode."""

        with self.assertRaises(ValueError):
            sv.compile('p', None, 0)

def test_invalid_incomplete_has(self):
        """Test invalid `:has()`."""

        with self.assertRaises(SyntaxError):
            sv.compile(':has(>)')

        with self.assertRaises(SyntaxError):
            sv.compile(':has()')

def test_invalid_tag(self):
        """
        Test invalid tag.

        Tag must come first.
        """

        with self.assertRaises(SyntaxError):
            sv.compile(':is(div)p')

def compile_pattern(self, selectors, namespaces=None, custom=None, flags=0):
        """Compile pattern."""

        print('PATTERN: ', selectors)
        flags |= sv.DEBUG
        return sv.compile(selectors, namespaces=namespaces, custom=custom, flags=flags)

sv.purge()

        with warnings.catch_warnings(record=True) as w:
            # Cause all warnings to always be triggered.
            warnings.simplefilter("always")
            # Trigger a warning.
            sv.compile('> p', flags=sv._QUIRKS)
            # Verify some things
            self.assertTrue(len(w) == 1)
            self.assertTrue(issubclass(w[-1].category, sv_util.QuirksWarning))

        with warnings.catch_warnings(record=True) as w:
            # Cause all warnings to always be triggered.
            warnings.simplefilter("always")
            # Trigger a warning.
            sv.compile('[data={}]', flags=sv._QUIRKS)
            # Verify some things
            self.assertTrue(len(w) == 1)
            self.assertTrue(issubclass(w[-1].category, sv_util.QuirksWarning))