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afjcjsbx
82 lines
3.1 KiB
Go
82 lines
3.1 KiB
Go
package telegram
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func Test_markdownToTelegramHTML(t *testing.T) {
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cases := []struct {
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name string
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input string
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expected string
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}{
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{
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name: "plain text",
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input: "hello world",
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expected: "hello world",
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},
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{
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name: "bold",
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input: "**bold text**",
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expected: "<b>bold text</b>",
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},
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{
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name: "italic",
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input: "_italic text_",
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expected: "<i>italic text</i>",
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},
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{
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name: "link without underscores in URL",
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input: "[click here](https://example.com/path)",
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expected: `<a href="https://example.com/path">click here</a>`,
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},
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{
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name: "raw oauth url with underscores survives",
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input: "Apri https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=test-client&redirect_uri=http%3A%2F%2Flocalhost%3A8001%2Foauth2callback&code_challenge=abc_def&code_challenge_method=S256",
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expected: `Apri <a href="https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=test-client&redirect_uri=http%3A%2F%2Flocalhost%3A8001%2Foauth2callback&code_challenge=abc_def&code_challenge_method=S256">https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=test-client&redirect_uri=http%3A%2F%2Flocalhost%3A8001%2Foauth2callback&code_challenge=abc_def&code_challenge_method=S256</a>`,
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},
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{
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name: "link with underscores in URL is not corrupted by italic regex",
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// Google Flights URLs use URL-safe base64 with underscores in the tfs param.
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// Previously reItalic ran after reLink, matching _text_ inside href and injecting
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// <i> tags into the URL, which broke the link in Telegram.
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input: "[3 → 10 сентября — от $202](https://www.google.com/travel/flights/search?tfs=CBwQAho_EgoyURL_safe_base64)",
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expected: `<a href="https://www.google.com/travel/flights/search?tfs=CBwQAho_EgoyURL_safe_base64">3 → 10 сентября — от $202</a>`,
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},
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{
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name: "multiple links all survive",
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input: "[first](https://a.com/path_one) and [second](https://b.com/path_two_x)",
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expected: `<a href="https://a.com/path_one">first</a> and <a href="https://b.com/path_two_x">second</a>`,
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},
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{
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name: "markdown link query params are escaped in href",
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input: "[oauth](https://example.com/cb?response_type=code&client_id=test-client)",
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expected: `<a href="https://example.com/cb?response_type=code&client_id=test-client">oauth</a>`,
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},
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{
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name: "link label with HTML special chars is escaped",
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input: "[a & b](https://example.com)",
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expected: `<a href="https://example.com">a & b</a>`,
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},
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{
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name: "HTML special chars in plain text are escaped",
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input: "a & b < c > d",
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expected: "a & b < c > d",
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},
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{
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name: "code block with language",
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input: "```json\n{\n \"path\": \"README.md\"\n}\n```",
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expected: "<pre><code>{\n \"path\": \"README.md\"\n}\n</code></pre>",
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},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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actual := markdownToTelegramHTML(tc.input)
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require.Equal(t, tc.expected, actual)
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})
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}
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}
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