gotosocial/internal/text/link_test.go

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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package text_test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/text"
"github.com/superseriousbusiness/gotosocial/testrig"
)
const text1 = `
This is a text with some links in it. Here's link number one: https://example.org/link/to/something#fragment
Here's link number two: http://test.example.org?q=bahhhhhhhhhhhh
https://another.link.example.org/with/a/pretty/long/path/at/the/end/of/it
really.cool.website <-- this one shouldn't be parsed as a link because it doesn't contain the scheme
https://example.orghttps://google.com <-- this shouldn't work either, but it does?! OK
`
const text2 = `
this is one link: https://example.org
this is the same link again: https://example.org
these should be deduplicated
`
const text3 = `
here's a mailto link: mailto:whatever@test.org
`
const text4 = `
two similar links:
https://example.org
https://example.org/test
`
const text5 = `
what happens when we already have a link within an href?
<a href="https://example.org">https://example.org</a>
`
type LinkTestSuite struct {
TextStandardTestSuite
}
func (suite *LinkTestSuite) SetupSuite() {
suite.testTokens = testrig.NewTestTokens()
suite.testClients = testrig.NewTestClients()
suite.testApplications = testrig.NewTestApplications()
suite.testUsers = testrig.NewTestUsers()
suite.testAccounts = testrig.NewTestAccounts()
suite.testAttachments = testrig.NewTestAttachments()
suite.testStatuses = testrig.NewTestStatuses()
suite.testTags = testrig.NewTestTags()
}
func (suite *LinkTestSuite) SetupTest() {
suite.config = testrig.NewTestConfig()
suite.db = testrig.NewTestDB()
suite.log = testrig.NewTestLog()
suite.formatter = text.NewFormatter(suite.config, suite.db, suite.log)
testrig.StandardDBSetup(suite.db, nil)
}
func (suite *LinkTestSuite) TearDownTest() {
testrig.StandardDBTeardown(suite.db)
}
func (suite *LinkTestSuite) TestParseSimple() {
f := suite.formatter.FromPlain(simple, nil, nil)
assert.Equal(suite.T(), simpleExpected, f)
}
func (suite *LinkTestSuite) TestParseURLsFromText1() {
urls, err := text.FindLinks(text1)
assert.NoError(suite.T(), err)
assert.Equal(suite.T(), "https://example.org/link/to/something#fragment", urls[0].String())
assert.Equal(suite.T(), "http://test.example.org?q=bahhhhhhhhhhhh", urls[1].String())
assert.Equal(suite.T(), "https://another.link.example.org/with/a/pretty/long/path/at/the/end/of/it", urls[2].String())
assert.Equal(suite.T(), "https://example.orghttps://google.com", urls[3].String())
}
func (suite *LinkTestSuite) TestParseURLsFromText2() {
urls, err := text.FindLinks(text2)
assert.NoError(suite.T(), err)
// assert length 1 because the found links will be deduplicated
assert.Len(suite.T(), urls, 1)
}
func (suite *LinkTestSuite) TestParseURLsFromText3() {
urls, err := text.FindLinks(text3)
assert.NoError(suite.T(), err)
// assert length 0 because `mailto:` isn't accepted
assert.Len(suite.T(), urls, 0)
}
func (suite *LinkTestSuite) TestReplaceLinksFromText1() {
replaced := suite.formatter.ReplaceLinks(text1)
assert.Equal(suite.T(), `
This is a text with some links in it. Here's link number one: <a href="https://example.org/link/to/something#fragment" rel="noopener">example.org/link/to/something#fragment</a>
Here's link number two: <a href="http://test.example.org?q=bahhhhhhhhhhhh" rel="noopener">test.example.org?q=bahhhhhhhhhhhh</a>
<a href="https://another.link.example.org/with/a/pretty/long/path/at/the/end/of/it" rel="noopener">another.link.example.org/with/a/pretty/long/path/at/the/end/of/it</a>
really.cool.website <-- this one shouldn't be parsed as a link because it doesn't contain the scheme
<a href="https://example.orghttps://google.com" rel="noopener">example.orghttps//google.com</a> <-- this shouldn't work either, but it does?! OK
`, replaced)
}
func (suite *LinkTestSuite) TestReplaceLinksFromText2() {
replaced := suite.formatter.ReplaceLinks(text2)
assert.Equal(suite.T(), `
this is one link: <a href="https://example.org" rel="noopener">example.org</a>
this is the same link again: <a href="https://example.org" rel="noopener">example.org</a>
these should be deduplicated
`, replaced)
}
func (suite *LinkTestSuite) TestReplaceLinksFromText3() {
// we know mailto links won't be replaced with hrefs -- we only accept https and http
replaced := suite.formatter.ReplaceLinks(text3)
assert.Equal(suite.T(), `
here's a mailto link: mailto:whatever@test.org
`, replaced)
}
func (suite *LinkTestSuite) TestReplaceLinksFromText4() {
replaced := suite.formatter.ReplaceLinks(text4)
assert.Equal(suite.T(), `
two similar links:
<a href="https://example.org" rel="noopener">example.org</a>
<a href="https://example.org/test" rel="noopener">example.org/test</a>
`, replaced)
}
func (suite *LinkTestSuite) TestReplaceLinksFromText5() {
// we know this one doesn't work properly, which is why html should always be sanitized before being passed into the ReplaceLinks function
replaced := suite.formatter.ReplaceLinks(text5)
assert.Equal(suite.T(), `
what happens when we already have a link within an href?
<a href="<a href="https://example.org" rel="noopener">example.org</a>"><a href="https://example.org" rel="noopener">example.org</a></a>
`, replaced)
}
func TestLinkTestSuite(t *testing.T) {
suite.Run(t, new(LinkTestSuite))
}