1 files changed, 27 insertions, 0 deletions
diff --git a/src/tools/xml-formatter/xml-formatter.service.test.ts b/src/tools/xml-formatter/xml-formatter.service.test.ts
new file mode 100644
index 0000000..2b14558
--- /dev/null
+++ b/src/tools/xml-formatter/xml-formatter.service.test.ts
@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { formatXml } from './xml-formatter.service';
+
+describe('xml-formatter service', () => {
+  describe('formatXml', () => {
+    it('converts XML into a human readable format', () => {
+      const initString = '<hello><world>foo</world><world>bar</world></hello>';
+
+      expect(formatXml(initString)).toMatchInlineSnapshot(`
+        "<hello>
+            <world>
+                foo
+            </world>
+            <world>
+                bar
+            </world>
+        </hello>"
+      `);
+    });
+
+    it('returns an empty string if the input is not valid XML', () => {
+      const initString = 'hello world';
+
+      expect(formatXml(initString)).toEqual('');
+    });
+  });
+});