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NodeItemTest: add tests for parentStream()

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This commit is contained in:
Paul Campbell 2017-02-18 19:29:01 +00:00
parent 081dfc7b37
commit 21c0fb8896
1 changed files with 20 additions and 0 deletions
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20
src/test/java/net/kemitix/node/NodeItemTest.java
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@ -945,4 +945,24 @@ public class NodeItemTest {
assertThat(Nodes.unnamedChild(null, root) assertThat(Nodes.unnamedChild(null, root)
.isRoot()).isFalse(); .isRoot()).isFalse();
} }
@Test
public void parentStream() {
//given
val root = Nodes.namedRoot("root data", "root");
val child1 = Nodes.namedChild("child 1 data", "child 1", root);
val child2 = Nodes.namedChild("child 2 data", "child 2", root);
val child3 = Nodes.namedChild("child 3 data", "child 3", child2);
//when
val resultRoot = root.parentStream()
.collect(Collectors.toSet());
val resultChild1 = child1.parentStream()
.collect(Collectors.toSet());
val resultChild3 = child3.parentStream()
.collect(Collectors.toSet());
//then
assertThat(resultRoot).isEmpty();
assertThat(resultChild1).containsExactlyInAnyOrder(root);
assertThat(resultChild3).containsExactlyInAnyOrder(child2, root);
}
} }