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BAEL-655 test for partially apllied function (#1227) 

* BAEL-655 test for partially apllied function

* BAEL-655 example of tuple transformation
This commit is contained in:
Tomasz Lelek 2017-02-24 16:19:28 +01:00 committed by Grzegorz Piwowarek
parent 355931f826
commit d67ace8e1e
1 changed files with 37 additions and 0 deletions
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37
jooq/src/test/java/com/baeldung/JOOLTest.java
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@ -1,8 +1,15 @@
package com.baeldung; package com.baeldung;
import junit.framework.Assert;
import org.jooq.lambda.Seq; import org.jooq.lambda.Seq;
import org.jooq.lambda.Unchecked; import org.jooq.lambda.Unchecked;
import org.jooq.lambda.function.Function1;
import org.jooq.lambda.function.Function2;
import org.jooq.lambda.tuple.Tuple;
import org.jooq.lambda.tuple.Tuple2;
import org.jooq.lambda.tuple.Tuple3;
import org.jooq.lambda.tuple.Tuple4;
import org.junit.Test; import org.junit.Test;
import java.util.Arrays; import java.util.Arrays;
@ -203,4 +210,34 @@ public class JOOLTest {
); );
} }
@Test
public void givenFunction_whenAppliedPartially_shouldAddNumberToPartialArgument() {
//given
Function2<Integer, Integer, Integer> addTwoNumbers = (v1, v2) -> v1 + v2;
addTwoNumbers.toBiFunction();
Function1<Integer, Integer> addToTwo = addTwoNumbers.applyPartially(2);
//when
Integer result = addToTwo.apply(5);
//then
assertEquals(result, (Integer) 7);
}
@Test
public void givenSeqOfTuples_whenTransformToLowerNumberOfTuples_shouldHaveProperResult() {
//given
Seq<Tuple3<String, String, Integer>> personDetails = Seq.of(tuple("michael", "similar", 49), tuple("jodie", "variable", 43));
Tuple2<String, String> tuple = tuple("winter", "summer");
//when
List<Tuple4<String, String, String, String>> result = personDetails.map(t -> t.limit2().concat(tuple)).toList();
//then
assertEquals(
result,
Arrays.asList(tuple("michael", "similar", "winter", "summer"), tuple("jodie", "variable", "winter", "summer"))
);
}
} }