from __future__ import annotations

import pytest

from scrapy.link import Link

def _assert_same_links(link1: Link, link2: Link) -> None:

assert link1 == link2

assert hash(link1) == hash(link2)

def _assert_different_links(link1: Link, link2: Link) -> None:

assert link1 != link2

assert hash(link1) != hash(link2)

def test_eq_and_hash() -> None:

l1 = Link("http://www.example.com")

l2 = Link("http://www.example.com/other")

l3 = Link("http://www.example.com")

_assert_same_links(l1, l1)

_assert_different_links(l1, l2)

_assert_same_links(l1, l3)

l4 = Link("http://www.example.com", text="test")

l5 = Link("http://www.example.com", text="test2")

l6 = Link("http://www.example.com", text="test")

_assert_same_links(l4, l4)

_assert_different_links(l4, l5)

_assert_same_links(l4, l6)

l7 = Link(

"http://www.example.com", text="test", fragment="something", nofollow=False

)

l8 = Link(

"http://www.example.com", text="test", fragment="something", nofollow=False

)

l9 = Link(

"http://www.example.com", text="test", fragment="something", nofollow=True

)

l10 = Link("http://www.example.com", text="test", fragment="other", nofollow=False)

_assert_same_links(l7, l8)

_assert_different_links(l7, l9)

_assert_different_links(l7, l10)

def test_repr() -> None:

l1 = Link(

"http://www.example.com", text="test", fragment="something", nofollow=True

)

l2 = eval(repr(l1))

_assert_same_links(l1, l2)

def test_bytes_url() -> None:

with pytest.raises(TypeError):

Link(b"http://www.example.com/\xc2\xa3") # type: ignore[arg-type]

def test_eq_non_link() -> None:

url = "http://example.com"

assert Link(url) != url