✅ Add tests for parsing and sanitizing HTML code #85

src/test/java/swiss/fihlon/apus/util/HtmlUtilTest.java

@@ -0,0 +1,58 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.util;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class HtmlUtilTest {
+
+    @Test
+    void sanitize() {
+        assertEquals("<p>AB<strong>CD</strong></p>",
+                HtmlUtil.sanitize("<p>A<span>B<strong>C<a href=\"http://example.com\">D</a></span></p>"));
+        assertEquals("Test",
+                HtmlUtil.sanitize("<a href=\"http://example.com\" onclick=\"alert('Test');\">Test</a>"));
+        assertEquals("Test  Test",
+                HtmlUtil.sanitize("Test <script>alert('Test');</script> Test"));
+        assertEquals("Test  Test",
+                HtmlUtil.sanitize("Test <style>body {background-color: black; }</style> Test"));
+        assertEquals("<p>Test</p>",
+                HtmlUtil.sanitize("<p style=\"color: red;\">Test</p>"));
+        assertEquals("Test &gt;&gt;&gt;Test&lt;&lt;&lt;<p> Test</p>",
+                HtmlUtil.sanitize("Test </p>>>>Test<<<<p> Test"));
+    }
+
+    @Test
+    void extractText() {
+        assertEquals("ABCD",
+                HtmlUtil.extractText("<p>A<span>B<strong>C<a href=\"http://example.com\">D</a></span></p>"));
+        assertEquals("Test",
+                HtmlUtil.extractText("<a href=\"http://example.com\" onclick=\"alert('Test');\">Test</a>"));
+        assertEquals("Test Test",
+                HtmlUtil.extractText("Test <script>alert('Test');</script> Test"));
+        assertEquals("Test Test",
+                HtmlUtil.extractText("Test <style>body {background-color: black; }</style> Test"));
+        assertEquals("Test",
+                HtmlUtil.extractText("<p style=\"color: red;\">Test</p>"));
+        assertEquals("Test >>>Test<<< Test",
+                HtmlUtil.extractText("Test </p>>>>Test<<<<p> Test"));
+    }
+
+}