add MarkdownUtil

hutool-setting/src/test/java/org/dromara/hutool/setting/markdown/MarkdownUtilTest.java

@@ -0,0 +1,58 @@
+package org.dromara.hutool.setting.markdown;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class MarkdownUtilTest {
+
+	@Test
+	void testMarkdownToHtmlWithValidMarkdown() {
+		// Given
+		final String markdown = "This is *italic* and **bold** text.";
+
+		// When
+		final String result = MarkdownUtil.markdownToHtml(markdown);
+
+		// Then
+		Assertions.assertTrue(result.contains("<p>This is <em>italic</em> and <strong>bold</strong> text.</p>"),
+			"The markdown should be correctly converted to HTML.");
+	}
+
+	@Test
+	void testMarkdownToHtmlWithEmptyMarkdown() {
+		// Given
+		final String markdown = "";
+
+		// When
+		final String result = MarkdownUtil.markdownToHtml(markdown);
+
+		// Then
+		Assertions.assertEquals("", result, "Empty markdown should result in an empty HTML string.");
+	}
+
+	@Test
+	void testMarkdownToHtmlWithHeadingAndLink() {
+		// Given
+		final String markdown = "# Heading\n\n[Link](https://example.com) to example site.";
+
+		// When
+		final String result = MarkdownUtil.markdownToHtml(markdown);
+
+		// Then
+		Assertions.assertTrue(result.contains("<h1>Heading</h1>"), "Heading should be converted correctly.");
+		Assertions.assertTrue(result.contains("<a href=\"https://example.com\">Link</a>"), "Link should be converted correctly.");
+	}
+
+	@Test
+	void testMarkdownToHtmlPreservesWhitespace() {
+		// Given
+		final String markdown = "Text    with    spaces";
+
+		// When
+		final String result = MarkdownUtil.markdownToHtml(markdown);
+
+		// Then
+		Assertions.assertEquals("<p>Text    with    spaces</p>\n", result, "Whitespace should be preserved as in the original markdown.");
+	}
+}
+