Implemented tests for the handling of an array

[maven-thymeleaf-skin] / src / test / java / de / juplo / jackson / SimpleMapperTest.java

diff --git a/src/test/java/de/juplo/jackson/SimpleMapperTest.java b/src/test/java/de/juplo/jackson/SimpleMapperTest.java
index aad4709..474cafc 100644 (file)
--- a/src/test/java/de/juplo/jackson/SimpleMapperTest.java
+++ b/src/test/java/de/juplo/jackson/SimpleMapperTest.java
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.core.JsonFactory;
 import com.fasterxml.jackson.core.JsonParser;
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -17,6 +18,12 @@ import static org.junit.Assert.fail;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 
 /**
@@ -442,6 +449,146 @@ public class SimpleMapperTest
   }
 
 
+  @Test
+  public void testConvertArrayToArraySpliterator() throws Exception
+  {
+    Spliterator<Object> spliterator;
+
+    spliterator = SimpleMapper.getArraySpliterator(get("/array/1.json"));
+    checkArraySpliterator(spliterator);
+    spliterator = SimpleMapper.getArraySpliterator(get("/array/2.json"));
+    checkArraySpliterator(spliterator);
+  }
+
+  void checkArraySpliterator(Spliterator<Object> spliterator) throws Exception
+  {
+    assertNotNull(spliterator);
+
+    final ArrayList<Object> entries = new ArrayList<>(4);
+    for (int i = 0; i < 4; i++)
+      assertTrue(
+          "The created splitter should have a " + (i+1) + ". entry",
+          spliterator.tryAdvance((Object t) -> { entries.add(t); })
+          );
+
+    assertFalse(
+        "The created splitter should have no more entries",
+        spliterator.tryAdvance((Object t) ->
+        {
+          fail("The consumer should not have been called");
+        }));
+
+    checkPartnerPageData(entries.get(3));
+  }
+
+  @Test
+  public void testConvertArrayToList() throws Exception
+  {
+    List<Object> list;
+
+    list = SimpleMapper.convertArray(get("/array/1.json"));
+    assertNotNull(list);
+    assertEquals(4, list.size());
+    checkPartnerPageData(list.get(3));
+    list = SimpleMapper.convertArray(get("/array/2.json"));
+    assertNotNull(list);
+    assertEquals(4, list.size());
+    checkPartnerPageData(list.get(3));
+  }
+
+  @Test
+  public void testConvertArrayToObjectSpliterator() throws Exception
+  {
+    try
+    {
+      SimpleMapper.getObjectSpliterator(get("/array/1.json"));
+      fail("it must not be possible, to get an object-spliterator for an array");
+    }
+    catch(IllegalArgumentException e)
+    {
+      LOG.info(e.getMessage());
+    }
+
+    try
+    {
+      SimpleMapper.getObjectSpliterator(get("/array/2.json"));
+      fail("it must not be possible, to get an object-spliterator for an array");
+    }
+    catch(IllegalArgumentException e)
+    {
+      LOG.info(e.getMessage());
+    }
+  }
+
+  @Test
+  public void testConvertArrayToMap() throws Exception
+  {
+    try
+    {
+      SimpleMapper.convertObject(get("/array/1.json"));
+      fail("it must not be possible, to get a map for an array");
+    }
+    catch(IllegalArgumentException e)
+    {
+      LOG.info(e.getMessage());
+    }
+
+    try
+    {
+      SimpleMapper.convertObject(get("/array/2.json"));
+      fail("it must not be possible, to get a map for an array");
+    }
+    catch(IllegalArgumentException e)
+    {
+      LOG.info(e.getMessage());
+    }
+  }
+
+  @Test
+  public void testConvertArray() throws Exception
+  {
+    Object object;
+    List<Object> list;
+
+    object = SimpleMapper.convert(get("/array/1.json"));
+    assertNotNull(object);
+    assertTrue("the returned object should be a list", object instanceof List);
+    list = (List<Object>)object;
+    assertEquals(4, list.size());
+    checkPartnerPageData(list.get(3));
+    object = SimpleMapper.convert(get("/array/2.json"));
+    assertNotNull(object);
+    assertTrue("the returned object should be a list", object instanceof List);
+    list = (List<Object>)object;
+    assertEquals(4, list.size());
+    checkPartnerPageData(list.get(3));
+  }
+
+  void checkPartnerPageData(Object page)
+  {
+    assertTrue("The page-data should be of type Map", page instanceof Map);
+    Map<String, Object> map = (Map<String, Object>)page;
+    assertEquals(4, map.size());
+    assertEquals("/partner.html", map.get("uri"));
+    assertTrue(
+        "The page-data should have an entry \"children\" of type Map",
+        map.get("children") instanceof Map
+        );
+    map = (Map<String, Object>)map.get("children");
+    assertEquals(6, map.size());
+    assertTrue(
+        "The children-map should haven an entry \"/partner/juplo.html\" of type Map",
+        map.get("/partner/juplo.html") instanceof Map
+        );
+    map = (Map<String, Object>)map.get("/partner/juplo.html");
+    assertEquals(2, map.size());
+    assertEquals(
+        "Wir sind Unterstützer der Nerd-Plattform juplo.de",
+        map.get("title")
+        );
+  }
+
+
   private JsonParser get(String resource) throws IOException
   {
     InputStream is = SimpleMapperTest.class.getResourceAsStream(resource);