avocado-framework/avocado

import unittest

from avocado.core.dependencies.dependency import Dependency
from avocado.core.safeloader.docstring import (
    DOCSTRING_DIRECTIVE_RE,
    check_docstring_directive,
    get_docstring_directives,
    get_docstring_directives_dependencies,
    get_docstring_directives_tags,
)


class DocstringDirectives(unittest.TestCase):

    VALID_DIRECTIVES = [
        ":avocado: foo",
        " :avocado: foo",
        " :avocado: foo ",
        ":avocado:\tfoo",
        ":avocado: \tfoo",
        ":avocado: foo:",
        ":avocado: foo=",
        ":avocado: foo=bar:123",
        ":avocado: 42=life",
        ":avocado: foo,bar,baz",
        ":avocado: foo,bar,baz:extra",
        ":avocado: a=,,,",
        ":avocado: a=x:y:z,None",
    ]

    INVALID_DIRECTIVES = [
        ":avocado:\nfoo",
        ":avocado: \nfoo",
        ":avocado:foo",
        ":avocado:_foo",
        ":avocado: ?notsure",
        ":avocado: ,foo,bar,baz",
        ":avocado: foo,bar,baz!!!",
        ":avocado: =",
        ":avocado: ,",
    ]

    NO_TAGS = [
        ":AVOCADO: TAGS:FAST",
        ":AVOCADO: TAGS=FAST",
        ":avocado: mytags=fast",
        ":avocado: tags",
        ":avocado: tag",
        ":avocado: tag=",
        ":this is not avocado: tags=foo",
        ":neither is this :avocado: tags:foo",
        ":tags:foo,bar",
        "tags=foo,bar",
        ":avocado: tags=SLOW,disk, invalid",
        ":avocado: tags=SLOW,disk , invalid",
    ]

    NO_REQS = [
        ":AVOCADO: REQUIREMENT=['FOO':'BAR']",
        ":avocado: dependency={'foo':'bar'}",
        ":avocado: dependency={foo",
        ":avocado: dependencies=",
        ":avocado: dependency=",
    ]

    def test_longline(self):
        docstring = (
            "This is a very long docstring in a single line. "
            "Since we have nothing useful to put in here let's just "
            "mention avocado: it's awesome, but that was not a "
            "directive. a tag would be something line this: "
            ":avocado: enable"
        )
        self.assertIsNotNone(get_docstring_directives(docstring))

    def test_newlines(self):
        docstring = (
            "\n\n\nThis is a docstring with many new\n\nlines "
            "followed by an avocado tag\n"
            "\n\n:avocado: enable\n\n"
        )
        self.assertIsNotNone(get_docstring_directives(docstring))

    def test_enabled(self):
        self.assertTrue(check_docstring_directive(":avocado: enable", "enable"))
        self.assertTrue(check_docstring_directive(":avocado:\tenable", "enable"))
        self.assertTrue(
            check_docstring_directive(":avocado: enable\n:avocado: tags=fast", "enable")
        )
        self.assertFalse(check_docstring_directive(":AVOCADO: ENABLE", "enable"))
        self.assertFalse(check_docstring_directive(":avocado: enabled", "enable"))

    def test_disabled(self):
        self.assertTrue(check_docstring_directive(":avocado: disable", "disable"))
        self.assertTrue(check_docstring_directive(":avocado:\tdisable", "disable"))
        self.assertFalse(check_docstring_directive(":AVOCADO: DISABLE", "disable"))
        self.assertFalse(check_docstring_directive(":avocado: disabled", "disable"))

    def test_get_tags_empty(self):
        for tag in self.NO_TAGS:
            self.assertEqual({}, get_docstring_directives_tags(tag))

    def test_tag_single(self):
        raw = ":avocado: tags=fast"
        exp = {"fast": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_double(self):
        raw = ":avocado: tags=fast,network"
        exp = {"fast": None, "network": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_double_with_empty(self):
        raw = ":avocado: tags=fast,,network"
        exp = {"fast": None, "network": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_lowercase_uppercase(self):
        raw = ":avocado: tags=slow,DISK"
        exp = {"slow": None, "DISK": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_duplicate(self):
        raw = ":avocado: tags=SLOW,disk,disk"
        exp = {"SLOW": None, "disk": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_tab_separator(self):
        raw = ":avocado:\ttags=FAST"
        exp = {"FAST": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_empty(self):
        raw = ":avocado: tags="
        exp = {}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_newline_before(self):
        raw = ":avocado: enable\n:avocado: tags=fast"
        exp = {"fast": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_newline_after(self):
        raw = ":avocado: tags=fast,slow\n:avocado: enable"
        exp = {"fast": None, "slow": None}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_keyval_single(self):
        raw = ":avocado: tags=fast,arch:x86_64"
        exp = {"fast": None, "arch": set(["x86_64"])}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_keyval_double(self):
        raw = ":avocado: tags=fast,arch:x86_64,arch:ppc64"
        exp = {"fast": None, "arch": set(["x86_64", "ppc64"])}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_tag_keyval_duplicate(self):
        raw = ":avocado: tags=fast,arch:x86_64,arch:ppc64,arch:x86_64"
        exp = {"fast": None, "arch": set(["x86_64", "ppc64"])}
        self.assertEqual(get_docstring_directives_tags(raw), exp)

    def test_get_dependency_empty(self):
        for dep in self.NO_REQS:
            self.assertEqual([], get_docstring_directives_dependencies(dep))

    def test_dependency_single(self):
        raw = ':avocado: dependency={"foo":"bar"}'
        exp = [Dependency(kwargs={"foo": "bar"})]
        self.assertEqual(get_docstring_directives_dependencies(raw), exp)

    def test_dependency_double(self):
        raw = ':avocado: dependency={"foo":"bar"}\n:avocado: dependency={"uri":"http://foo.bar"}'
        exp = [Dependency(kwargs={"foo": "bar"}), Dependency(uri="http://foo.bar")]
        self.assertEqual(get_docstring_directives_dependencies(raw), exp)

    def test_directives_regex(self):
        """
        Tests the regular expressions that deal with docstring directives
        """
        for directive in self.VALID_DIRECTIVES:
            self.assertTrue(DOCSTRING_DIRECTIVE_RE.match(directive))
        for directive in self.INVALID_DIRECTIVES:
            self.assertFalse(DOCSTRING_DIRECTIVE_RE.match(directive))