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auto_linker_test.exs
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auto_linker_test.exs
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defmodule AutoLinkerTest do
use ExUnit.Case
doctest AutoLinker
test "phone number" do
assert AutoLinker.link(", work (555) 555-5555", phone: true) ==
~s{, work <a href="#" class="phone-number" data-phone="5555555555">(555) 555-5555</a>}
end
test "default link" do
assert AutoLinker.link("google.com") ==
"<a href='http://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.com</a>"
end
test "markdown" do
assert AutoLinker.link("[google.com](http://google.com)", markdown: true) ==
"<a href='http://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.com</a>"
end
test "does on link existing links" do
assert AutoLinker.link("<a href='http://google.com'>google.com</a>") ==
"<a href='http://google.com'>google.com</a>"
end
test "phone number and markdown link" do
assert AutoLinker.link("888 888-8888 [ab](a.com)", phone: true, markdown: true) ==
"<a href=\"#\" class=\"phone-number\" data-phone=\"8888888888\">888 888-8888</a>" <>
" <a href='a.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>ab</a>"
end
test "all kinds of links" do
text =
"hello @user google.com https://ddg.com 888 888-8888 #tag user@email.com [google.com](http://google.com) irc:///mIRC"
expected =
"hello <a href='https://example.com/user/user'>@user</a> <a href='http://google.com'>google.com</a> <a href='https://ddg.com'>ddg.com</a> <a href=\"#\" class=\"phone-number\" data-phone=\"8888888888\">888 888-8888</a> <a href='https://example.com/tag/tag'>#tag</a> <a href='mailto:user@email.com' >user@email.com</a> <a href='http://google.com'>google.com</a> <a href='irc:///mIRC' >irc:///mIRC</a>"
assert AutoLinker.link(text,
phone: true,
markdown: true,
email: true,
mention: true,
mention_prefix: "https://example.com/user/",
hashtag: true,
hashtag_prefix: "https://example.com/tag/",
scheme: true,
extra: true,
class: false,
new_window: false,
rel: false
) == expected
end
describe "custom handlers" do
test "mentions handler" do
text = "hello @user, @valid_user and @invalid_user"
valid_users = ["user", "valid_user"]
handler = fn "@" <> user = mention, buffer, _opts, parsed ->
if Enum.member?(valid_users, user) do
link = ~s(<a href="https://example.com/user/#{user}" data-user="#{user}">#{mention}</a>)
{link, %{parsed | mentions: MapSet.put(parsed.mentions, {mention, user})}}
else
{buffer, parsed}
end
end
{result_text, %{mentions: mentions}} =
AutoLinker.link_map(text, %{mentions: MapSet.new()},
mention: true,
mention_handler: handler
)
assert result_text ==
"hello <a href=\"https://example.com/user/user\" data-user=\"user\">@user</a> <a href=\"https://example.com/user/valid_user\" data-user=\"valid_user\">@valid_user</a> and @invalid_user"
assert mentions |> MapSet.to_list() |> Enum.map(&elem(&1, 1)) == valid_users
end
test "hashtags handler" do
text = "#hello #world"
handler = fn hashtag, buffer, opts, parsed ->
link = AutoLinker.Builder.create_hashtag_link(hashtag, buffer, opts)
{link, %{parsed | tags: MapSet.put(parsed.tags, hashtag)}}
end
{result_text, %{tags: tags}} =
AutoLinker.link_map(text, %{tags: MapSet.new()},
hashtag: true,
hashtag_handler: handler,
hashtag_prefix: "https://example.com/user/",
class: false,
new_window: false,
rel: false
)
assert result_text ==
"<a href='https://example.com/user/hello'>#hello</a> <a href='https://example.com/user/world'>#world</a>"
assert MapSet.to_list(tags) == ["hello", "world"]
end
end
describe "mentions" do
test "simple mentions" do
expected =
~s{hello <a href='https://example.com/user/user' class='auto-linker' target='_blank' rel='noopener noreferrer'>@user</a> and <a href='https://example.com/user/anotherUser' class='auto-linker' target='_blank' rel='noopener noreferrer'>@anotherUser</a>}
assert AutoLinker.link("hello @user and @anotherUser",
mention: true,
mention_prefix: "https://example.com/user/"
) == expected
end
test "metion @user@example.com" do
text = "hey @user@example.com"
expected =
"hey <a href='https://example.com/user/user@example.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>@user@example.com</a>"
assert AutoLinker.link(text,
mention: true,
mention_prefix: "https://example.com/user/"
) == expected
end
test "skip if starts with @@" do
text = "hello @@user and @anotherUser"
expected =
"hello @@user and <a href='https://example.com/user/anotherUser' class='auto-linker' target='_blank' rel='noopener noreferrer'>@anotherUser</a>"
assert AutoLinker.link(text,
mention: true,
mention_prefix: "https://example.com/user/"
) == expected
end
end
describe "hashtag links" do
test "hashtag" do
expected =
"one <a href='https://example.com/tag/two' class='auto-linker' target='_blank' rel='noopener noreferrer'>#two</a> three <a href='https://example.com/tag/four' class='auto-linker' target='_blank' rel='noopener noreferrer'>#four</a>"
assert AutoLinker.link("one #two three #four",
hashtag: true,
hashtag_prefix: "https://example.com/tag/"
) == expected
end
test "do not turn urls with hashes into hashtags" do
text = "google.com#test #test google.com/#test #tag"
expected =
"<a href='http://google.com#test'>google.com#test</a> <a href='https://example.com/tag/test'>#test</a> <a href='http://google.com/#test'>google.com/#test</a> <a href='https://example.com/tag/tag'>#tag</a>"
assert AutoLinker.link(text,
scheme: true,
hashtag: true,
class: false,
new_window: false,
rel: false,
hashtag_prefix: "https://example.com/tag/"
) == expected
end
test "works with non-latin characters" do
text = "#漢字 #は #тест #ทดสอบ"
expected =
"<a href='https://example.com/tag/漢字'>#漢字</a> <a href='https://example.com/tag/は'>#は</a> <a href='https://example.com/tag/тест'>#тест</a> <a href='https://example.com/tag/ทดสอบ'>#ทดสอบ</a>"
assert AutoLinker.link(text,
scheme: true,
class: false,
new_window: false,
rel: false,
hashtag: true,
hashtag_prefix: "https://example.com/tag/"
) == expected
end
end
describe "links" do
test "turning urls into links" do
text = "Hey, check out http://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla ."
expected =
"Hey, check out <a href='http://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla' class='auto-linker' target='_blank' rel='noopener noreferrer'>youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla</a> ."
assert AutoLinker.link(text, scheme: true) == expected
# no scheme
text = "Hey, check out www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla ."
assert AutoLinker.link(text, scheme: true) == expected
end
test "hostname/@user" do
text = "https://example.com/@user"
expected =
"<a href='https://example.com/@user' class='auto-linker' target='_blank' rel='noopener noreferrer'>example.com/@user</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "https://example.com:4000/@user"
expected =
"<a href='https://example.com:4000/@user' class='auto-linker' target='_blank' rel='noopener noreferrer'>example.com:4000/@user</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "https://example.com:4000/@user"
expected =
"<a href='https://example.com:4000/@user' class='auto-linker' target='_blank' rel='noopener noreferrer'>example.com:4000/@user</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "@username"
expected = "@username"
assert AutoLinker.link(text, scheme: true) == expected
text = "http://www.cs.vu.nl/~ast/intel/"
expected =
"<a href='http://www.cs.vu.nl/~ast/intel/' class='auto-linker' target='_blank' rel='noopener noreferrer'>cs.vu.nl/~ast/intel/</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "https://forum.zdoom.org/viewtopic.php?f=44&t=57087"
expected =
"<a href='https://forum.zdoom.org/viewtopic.php?f=44&t=57087' class='auto-linker' target='_blank' rel='noopener noreferrer'>forum.zdoom.org/viewtopic.php?f=44&t=57087</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul"
expected =
"<a href='https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul' class='auto-linker' target='_blank' rel='noopener noreferrer'>en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul</a>"
assert AutoLinker.link(text, scheme: true) == expected
text = "https://en.wikipedia.org/wiki/Duff's_device"
expected =
"<a href='https://en.wikipedia.org/wiki/Duff's_device' class='auto-linker' target='_blank' rel='noopener noreferrer'>en.wikipedia.org/wiki/Duff's_device</a>"
assert AutoLinker.link(text, scheme: true) == expected
end
end
describe "non http links" do
test "xmpp" do
text = "xmpp:user@example.com"
expected = "<a href='xmpp:user@example.com' class='auto-linker'>xmpp:user@example.com</a>"
assert AutoLinker.link(text, extra: true) == expected
end
test "email" do
text = "user@example.com"
expected = "<a href='mailto:user@example.com' class='auto-linker'>user@example.com</a>"
assert AutoLinker.link(text, email: true) == expected
end
test "magnet" do
text =
"magnet:?xt=urn:btih:a4104a9d2f5615601c429fe8bab8177c47c05c84&dn=ubuntu-18.04.1.0-live-server-amd64.iso&tr=http%3A%2F%2Ftorrent.ubuntu.com%3A6969%2Fannounce&tr=http%3A%2F%2Fipv6.torrent.ubuntu.com%3A6969%2Fannounce"
expected =
"<a href='magnet:?xt=urn:btih:a4104a9d2f5615601c429fe8bab8177c47c05c84&dn=ubuntu-18.04.1.0-live-server-amd64.iso&tr=http%3A%2F%2Ftorrent.ubuntu.com%3A6969%2Fannounce&tr=http%3A%2F%2Fipv6.torrent.ubuntu.com%3A6969%2Fannounce' class='auto-linker'>magnet:?xt=urn:btih:a4104a9d2f5615601c429fe8bab8177c47c05c84&dn=ubuntu-18.04.1.0-live-server-amd64.iso&tr=http%3A%2F%2Ftorrent.ubuntu.com%3A6969%2Fannounce&tr=http%3A%2F%2Fipv6.torrent.ubuntu.com%3A6969%2Fannounce</a>"
assert AutoLinker.link(text, extra: true) == expected
end
test "dweb" do
text =
"dweb://584faa05d394190ab1a3f0240607f9bf2b7e2bd9968830a11cf77db0cea36a21+v1.0.0/path/to/file.txt"
expected =
"<a href='dweb://584faa05d394190ab1a3f0240607f9bf2b7e2bd9968830a11cf77db0cea36a21+v1.0.0/path/to/file.txt' class='auto-linker'>dweb://584faa05d394190ab1a3f0240607f9bf2b7e2bd9968830a11cf77db0cea36a21+v1.0.0/path/to/file.txt</a>"
assert AutoLinker.link(text, extra: true) == expected
end
end
describe "TLDs" do
test "parse with scheme" do
text = "https://google.com"
expected =
"<a href='https://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.com</a>"
assert AutoLinker.link(text, scheme: true) == expected
end
test "only existing TLDs with scheme" do
text = "this url https://google.foobar.blah11blah/ has invalid TLD"
expected = "this url https://google.foobar.blah11blah/ has invalid TLD"
assert AutoLinker.link(text, scheme: true) == expected
text = "this url https://google.foobar.com/ has valid TLD"
expected =
"this url <a href='https://google.foobar.com/' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.foobar.com/</a> has valid TLD"
assert AutoLinker.link(text, scheme: true) == expected
end
test "only existing TLDs without scheme" do
text = "this url google.foobar.blah11blah/ has invalid TLD"
expected = "this url google.foobar.blah11blah/ has invalid TLD"
assert AutoLinker.link(text, scheme: false) == expected
text = "this url google.foobar.com/ has valid TLD"
expected =
"this url <a href='http://google.foobar.com/' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.foobar.com/</a> has valid TLD"
assert AutoLinker.link(text, scheme: false) == expected
end
test "only existing TLDs with and without scheme" do
text = "this url http://google.foobar.com/ has valid TLD"
expected =
"this url <a href='http://google.foobar.com/' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.foobar.com/</a> has valid TLD"
assert AutoLinker.link(text, scheme: true) == expected
text = "this url google.foobar.com/ has valid TLD"
expected =
"this url <a href='http://google.foobar.com/' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.foobar.com/</a> has valid TLD"
assert AutoLinker.link(text, scheme: true) == expected
end
end
end

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