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Add unquoted relative URL support

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This commit is contained in:
Daniel J. Summers 2024-01-20 13:45:56 -05:00
parent d50056cd66
commit a0ab99f737
2 changed files with 19 additions and 6 deletions
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4
src/MyWebLog.Domain/ViewModels.fs
View File

@ -21,7 +21,9 @@ module PublicHelpers =
/// post text
let addBaseToRelativeUrls extra (text: string) =
if extra = "" then text
else text.Replace("href=\"/", $"href=\"{extra}/").Replace("src=\"/", $"src=\"{extra}/")
else
text.Replace("href=\"/", $"href=\"{extra}/").Replace("href=/", $"href={extra}/")
.Replace("src=\"/", $"src=\"{extra}/").Replace("src=/", $"src={extra}/")
/// The model used to display the admin dashboard

21
src/MyWebLog.Tests/ViewModelsTests.fs
View File

@ -8,16 +8,27 @@ open NodaTime
/// Unit tests for the addBaseToRelativeUrls helper function
let addBaseToRelativeUrlsTests = testList "PublicHelpers.addBaseToRelativeUrls" [
test "succeeds when there is no extra URL path" {
let testText = """<a href="/somewhere-else.html">Howdy></a>"""
test "succeeds for quoted URLs when there is no extra URL path" {
let testText = """<a href="/somewhere-else.html"><img src="/howdy.png"></a>"""
let modified = addBaseToRelativeUrls "" testText
Expect.equal modified testText "The text should not have been modified"
}
test "succeeds with an extra URL path" {
test "succeeds for quoted URLs with an extra URL path" {
let testText =
"""<a href="/my-link.htm"><img src="/pretty-picture.jpg"></a><a href="https://example.com>link</a>"""
"""<a href="/my-link.htm"><img src="/pretty-picture.jpg"></a><a href="https://example.com">link</a>"""
let expected =
"""<a href="/a/b/my-link.htm"><img src="/a/b/pretty-picture.jpg"></a><a href="https://example.com>link</a>"""
"""<a href="/a/b/my-link.htm"><img src="/a/b/pretty-picture.jpg"></a><a href="https://example.com">link</a>"""
Expect.equal (addBaseToRelativeUrls "/a/b" testText) expected "Relative URLs not modified correctly"
}
test "succeeds for unquoted URLs when there is no extra URL path" {
let testText = "<a href=/over-here.html><img src=/arrow.gif></a>"
let modified = addBaseToRelativeUrls "" testText
Expect.equal modified testText "The text should not have been modified"
}
test "succeeds for unquoted URLs with an extra URL path" {
let testText = "<a href=/my-link.htm><img src=/pretty-picture.jpg></a><a href=https://example.com>link</a>"
let expected =
"<a href=/a/b/my-link.htm><img src=/a/b/pretty-picture.jpg></a><a href=https://example.com>link</a>"
Expect.equal (addBaseToRelativeUrls "/a/b" testText) expected "Relative URLs not modified correctly"
}
]