Added more tests

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

@@ -0,0 +1,63 @@
+/*
+ *  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 static org.assertj.core.api.Assertions.assertThat;
+
+class TestRenderUtils {
+    static final String SAMPLE_GERMAN = "Möchten Sie ein paar Äpfel?";
+
+    @Test
+    void testAbbreviate() {
+        assertThat(RenderUtils.abbreviate(TestCase.SAMPLE_TEXT, 9, "")).as("max=9")
+                .isEqualTo("This is a");
+
+        assertThat(RenderUtils.abbreviate(TestCase.SAMPLE_TEXT, 0, "")).as("max=0").isEmpty();
+
+        assertThat(RenderUtils.abbreviate(TestCase.SAMPLE_TEXT, -1, "")).as("max=-1")
+                .isEqualTo(TestCase.SAMPLE_TEXT);
+    }
+
+    @Test
+    void testMask() {
+        var foo = "4342256562440179";
+
+        assertThat(RenderUtils.mask(foo, "?", 4, false)).as("mask=?")
+                .isEqualTo("????????????0179");
+
+        assertThat(RenderUtils.mask(foo, "-", 22, true)).as("unmasked=22")
+                .isEqualTo("----------------");
+
+        assertThat(RenderUtils.mask(foo, "•", -1, false)).as("mask=•")
+                .isEqualTo("••••••••••••••••");
+    }
+
+    @Test
+    void testNormalize() {
+        assertThat(RenderUtils.normalize(SAMPLE_GERMAN)).isEqualTo("mochten-sie-ein-paar-apfel");
+    }
+
+    @Test
+    void testRot13() {
+        var encoded = "Zöpugra Fvr rva cnne Äcsry?";
+        assertThat(RenderUtils.rot13(SAMPLE_GERMAN)).as("encode").isEqualTo(encoded);
+        assertThat(RenderUtils.rot13(encoded)).as("decode").isEqualTo(SAMPLE_GERMAN);
+    }
+}