added auto html to plain text mail generation

2022-08-26 06:46:34 +03:00
parent f14105b04a
commit 0f9ddbf7ec
13 changed files with 255 additions and 14 deletions
@@ -0,0 +1,131 @@
+package mailer
+
+import (
+	"testing"
+)
+
+func TestHtml2Text(t *testing.T) {
+	scenarios := []struct {
+		html     string
+		expected string
+	}{
+		{
+			"",
+			"",
+		},
+		{
+			"ab  c",
+			"ab c",
+		},
+		{
+			"<!-- test html comment -->",
+			"",
+		},
+		{
+			"<!-- test html comment -->   a   ",
+			"a",
+		},
+		{
+			"<span>a</span>b<span>c</span>",
+			"abc",
+		},
+		{
+			`<a href="a/b/c">test</span>`,
+			"[test](a/b/c)",
+		},
+		{
+			`<a href="">test</span>`,
+			"[test]",
+		},
+		{
+			"<span>a</span>  <span>b</span>",
+			"a b",
+		},
+		{
+			"<span>a</span>   b   <span>c</span>",
+			"a b c",
+		},
+		{
+			"<span>a</span>   b   <div>c</div>",
+			"a b \r\nc",
+		},
+		{
+			`
+				<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+				<html xmlns="http://www.w3.org/1999/xhtml">
+				<head>
+				    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+				    <meta name="viewport" content="width=device-width,initial-scale=1" />
+				    <style>
+				        body {
+				            padding: 0;
+				        }
+				    </style>
+				</head>
+				<body>
+					<!-- test html comment -->
+					<style>
+					    body {
+					        padding: 0;
+					    }
+					</style>
+				    <div class="wrapper">
+				        <div class="content">
+				            <p>Lorem ipsum</p>
+				            <p>Dolor sit amet</p>
+				            <p>
+				            	<a href="a/b/c">Verify</a>
+				            </p>
+				            <br>
+				            <p>
+				            	<a href="a/b/c"><strong>Verify2.1</strong> <strong>Verify2.2</strong></a>
+				            </p>
+				            <br>
+				            <br>
+				            <div>
+				            	<div>
+				            		<div>
+							            <ul>
+							            	<li>ul.test1</li>
+							            	<li>ul.test2</li>
+							            	<li>ul.test3</li>
+							            </ul>
+							            <ol>
+							            	<li>ol.test1</li>
+							            	<li>ol.test2</li>
+							            	<li>ol.test3</li>
+							            </ol>
+				            		</div>
+				            	</div>
+				            </div>
+				            <select>
+				            	<option>Option 1</option>
+				            	<option>Option 2</option>
+				            </select>
+				            <textarea>test</textarea>
+				            <input type="text" value="test" />
+				            <button>test</button>
+				            <p>
+				                Thanks,<br/>
+				                PocketBase team
+				            </p>
+				        </div>
+				    </div>
+				</body>
+				</html>
+			`,
+			"Lorem ipsum \r\nDolor sit amet \r\n[Verify](a/b/c)  \r\n[Verify2.1 Verify2.2](a/b/c)  \r\n\r\n- ul.test1 \r\n- ul.test2 \r\n- ul.test3  \r\n- ol.test1 \r\n- ol.test2 \r\n- ol.test3         \r\nThanks,\r\nPocketBase team",
+		},
+	}
+
+	for i, s := range scenarios {
+		result, err := html2Text(s.html)
+		if err != nil {
+			t.Errorf("(%d) Unexpected error %v", i, err)
+		}
+
+		if result != s.expected {
+			t.Errorf("(%d) Expected \n(%q)\n%v,\n\ngot:\n\n(%q)\n%v", i, s.expected, s.expected, result, result)
+		}
+	}
+}