X-Git-Url: http://git.giacomolli.uk/onechat/blobdiff_plain/09cde69fdffe2721434392036f98dc241177f5a1..a606686934b4028c29dca8e9dae6b2e188cee9c5:/telegram_markdown_test.go

diff --git a/telegram_markdown_test.go b/telegram_markdown_test.go
index e2a2530..98b1f75 100644
--- a/telegram_markdown_test.go
+++ b/telegram_markdown_test.go
@@ -239,3 +239,74 @@ func TestMarkdownEntities(t *testing.T) {
 		})
 	}
 }
+
+func TestEscapeTags(t *testing.T) {
+	testCases := []struct {
+		name     string
+		markdown string
+		escaped  string
+	}{
+		{
+			name:     "tag in prose shows as text",
+			markdown: "Use a <details> tag for the rest.",
+			escaped:  "Use a &lt;details> tag for the rest.",
+		},
+		{
+			name:     "tag in inline code stays as written",
+			markdown: "Use `<details>` and `` a<b && c ``, not <b>.",
+			escaped:  "Use `<details>` and `` a<b && c ``, not &lt;b>.",
+		},
+		{
+			name:     "tag in a code block stays as written",
+			markdown: "<p>\n\n```html\n<details>&amp;\n```\n\n<p>",
+			escaped:  "&lt;p>\n\n```html\n<details>&amp;\n```\n\n&lt;p>",
+		},
+		{
+			name:     "code block that does not close stays as written",
+			markdown: "a <b>\n```\n<details>",
+			escaped:  "a &lt;b>\n```\n<details>",
+		},
+		{
+			name:     "tag in a table cell shows as text",
+			markdown: "| Tag | Use |\n|-----|-----|\n| <br> | `<br>` |",
+			escaped:  "| Tag | Use |\n|-----|-----|\n| &lt;br> | `<br>` |",
+		},
+		{
+			name:     "autolink shows as text",
+			markdown: "See <https://example.com>.",
+			escaped:  "See &lt;https://example.com>.",
+		},
+		{
+			name:     "entity in prose shows as written",
+			markdown: "Write &lt; or &amp; for R&D.",
+			escaped:  "Write &amp;lt; or &amp;amp; for R&amp;D.",
+		},
+		{
+			name:     "backslash before a bracket gets no special case",
+			markdown: `a \<b> and \&c`,
+			escaped:  `a \&lt;b> and \&amp;c`,
+		},
+		{
+			name:     "backtick after a backslash opens no code",
+			markdown: "a \\`<b>\\` c",
+			escaped:  "a \\`&lt;b>\\` c",
+		},
+		{
+			name:     "backtick run that opens no code stays as text",
+			markdown: "a ``b` <c>",
+			escaped:  "a ``b` &lt;c>",
+		},
+		{
+			name:     "dollar, pipe, and equals signs stay as written",
+			markdown: "$5 or $10, a || b, ==c==",
+			escaped:  "$5 or $10, a || b, ==c==",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			require.Equal(t, tc.escaped, telegramEscapeTags(tc.markdown))
+			require.Equal(t, tc.markdown, telegramUnescapeTags(tc.escaped))
+		})
+	}
+}