Merge branch 'master' into bael-16656

libraries-data/src/test/java/com/baeldung/crunch/ToUpperCaseFnUnitTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.crunch;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.crunch.impl.mem.emit.InMemoryEmitter;
+import org.junit.Test;
+
+import com.google.common.collect.ImmutableList;
+
+public class ToUpperCaseFnUnitTest {
+
+    @Test
+    public void givenString_whenToUpperCaseFnCalled_UpperCaseStringReturned() {
+        InMemoryEmitter<String> emitter = new InMemoryEmitter<String>();
+
+        new ToUpperCaseFn().process("input", emitter);
+
+        assertEquals(ImmutableList.of("INPUT"), emitter.getOutput());
+    }
+
+}