Added formatCreditCard

lib/src/test/java/rife/render/TestFormat.java

@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package rife.render;
+
+import org.junit.jupiter.api.Test;
+import rife.template.TemplateFactory;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class TestFormat {
+    @Test
+    void testFormatCreditCard() {
+        var t = TemplateFactory.TXT.get("formatCreditCard");
+        t.setAttribute(TestCase.FOO, "4342 2565 6244 0179");
+        assertThat(t.getContent()).as("US VISA").isEqualTo("0179");
+        t.setAttribute(TestCase.FOO, "5130-3899-9169-8324");
+        assertThat(t.getContent()).as("FR MASTERCARD").isEqualTo("8324");
+        t.setAttribute(TestCase.FOO, "374380141731053");
+        assertThat(t.getContent()).as("UK AMEX").isEqualTo("1053");
+        t.setAttribute(TestCase.FOO, "000000000000001");
+        assertThat(t.getContent()).isEmpty();
+    }
+
+    @Test
+    void testShortenUrl() {
+        var t = TemplateFactory.HTML.get("shortenUrl");
+        var url = "https://example.com/";
+        var shortUrl = "https://is.gd/AG3Hwv";
+        t.setValue(TestCase.FOO, url);
+        assertThat(t.getContent()).isEqualTo(String.format("<a href=\"%s\">%s</a>", shortUrl, url));
+        t.setValue(TestCase.FOO, TestCase.FOO);
+        assertThat(t.getContent()).isEqualTo("<a href=\"foo\">foo</a>");
+
+    }
+}