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tests refactoring

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This commit is contained in:
Marcos 2017-12-10 19:27:45 +01:00
parent 7775a9bbe2
commit 72d162ddc9
2 changed files with 13 additions and 70 deletions
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1
core-java/src/main/java/com/baeldung/tree/BinaryTree.java
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@ -39,7 +39,6 @@ public class BinaryTree {
parent = current; parent = current;
} }
} }
public boolean isEmpty() { public boolean isEmpty() {

82
core-java/src/test/java/com/baeldung/tree/BinaryTreeTest.java
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@ -10,15 +10,7 @@ public class BinaryTreeTest {
@Test @Test
public void givenABinaryTree_WhenAddingElements_ThenTreeNotEmpty() { public void givenABinaryTree_WhenAddingElements_ThenTreeNotEmpty() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
assertTrue(!bt.isEmpty()); assertTrue(!bt.isEmpty());
} }
@ -26,66 +18,28 @@ public class BinaryTreeTest {
@Test @Test
public void givenABinaryTree_WhenAddingElements_ThenTreeContainsThoseElements() { public void givenABinaryTree_WhenAddingElements_ThenTreeContainsThoseElements() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
assertTrue(bt.containsNode(6)); assertTrue(bt.containsNode(6));
assertTrue(bt.containsNode(4)); assertTrue(bt.containsNode(4));
assertTrue(bt.containsNode(8));
assertTrue(bt.containsNode(3));
assertTrue(bt.containsNode(5));
assertTrue(bt.containsNode(7));
assertTrue(bt.containsNode(9));
assertFalse(bt.containsNode(1)); assertFalse(bt.containsNode(1));
assertFalse(bt.containsNode(10));
} }
@Test @Test
public void givenABinaryTree_WhenDeletingElements_ThenTreeDoesNotContainThoseElements() { public void givenABinaryTree_WhenDeletingElements_ThenTreeDoesNotContainThoseElements() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
assertTrue(bt.containsNode(9)); assertTrue(bt.containsNode(9));
bt.delete(9); bt.delete(9);
assertFalse(bt.containsNode(9)); assertFalse(bt.containsNode(9));
assertTrue(bt.containsNode(6));
bt.delete(6);
assertFalse(bt.containsNode(6));
assertTrue(bt.containsNode(4));
bt.delete(4);
assertFalse(bt.containsNode(4));
} }
@Test @Test
public void givenABinaryTree_WhenTraversingInOrder_ThenPrintValues() { public void givenABinaryTree_WhenTraversingInOrder_ThenPrintValues() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
bt.traverseInOrder(bt.root); bt.traverseInOrder(bt.root);
} }
@ -93,15 +47,7 @@ public class BinaryTreeTest {
@Test @Test
public void givenABinaryTree_WhenTraversingPreOrder_ThenPrintValues() { public void givenABinaryTree_WhenTraversingPreOrder_ThenPrintValues() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
bt.traversePreOrder(bt.root); bt.traversePreOrder(bt.root);
} }
@ -109,15 +55,7 @@ public class BinaryTreeTest {
@Test @Test
public void givenABinaryTree_WhenTraversingPostOrder_ThenPrintValues() { public void givenABinaryTree_WhenTraversingPostOrder_ThenPrintValues() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = createBinaryTree();
bt.add(6);
bt.add(4);
bt.add(8);
bt.add(3);
bt.add(5);
bt.add(7);
bt.add(9);
bt.traversePostOrder(bt.root); bt.traversePostOrder(bt.root);
} }
@ -125,6 +63,12 @@ public class BinaryTreeTest {
@Test @Test
public void givenABinaryTree_WhenTraversingLevelOrder_ThenPrintValues() { public void givenABinaryTree_WhenTraversingLevelOrder_ThenPrintValues() {
BinaryTree bt = createBinaryTree();
bt.traverseLevelOrder();
}
private BinaryTree createBinaryTree() {
BinaryTree bt = new BinaryTree(); BinaryTree bt = new BinaryTree();
bt.add(6); bt.add(6);
@ -135,7 +79,7 @@ public class BinaryTreeTest {
bt.add(7); bt.add(7);
bt.add(9); bt.add(9);
bt.traverseLevelOrder(); return bt;
} }
} }