Add unit test for PartContainer.

diff --git a/src/test/java/net/pterodactylus/sone/text/PartContainerTest.java b/src/test/java/net/pterodactylus/sone/text/PartContainerTest.java
new file mode 100644 (file)
index 0000000..9cefedb
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/text/PartContainerTest.java
@@ -0,0 +1,127 @@
+/*
+ * Sone - PartContainerTest.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.text;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.is;
+
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link PartContainer}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class PartContainerTest {
+
+       private final PartContainer partContainer = new PartContainer();
+
+       @Before
+       public void setup() {
+               partContainer.add(createPart("Test!"));
+               partContainer.add(createPart(" More Test!"));
+       }
+
+       @Test
+       public void partContainerCanReturnContainedParts() {
+               assertThat(partContainer, contains(matchesPart("Test!"), matchesPart(" More Test!")));
+       }
+
+       @Test
+       public void partContainerCanReturnSpecificParts() {
+               assertThat(partContainer.getPart(0), matchesPart("Test!"));
+               assertThat(partContainer.getPart(1), matchesPart(" More Test!"));
+       }
+
+       @Test
+       public void partContainerKnowsTheNumberOfContainedParts() {
+               assertThat(partContainer.size(), is(2));
+       }
+
+       @Test
+       public void partContainerReturnsNestedPartsWhenIteratingOverIt() {
+               addNestedPartContainer();
+               assertThat(partContainer, contains(matchesPart("Test!"), matchesPart(" More Test!"), matchesPart(" (nested)")));
+       }
+
+       @Test(expected = NoSuchElementException.class)
+       public void throwsExceptionWhenIteratingOverTheEndOfTheIterator() {
+               Iterator<Part> parts = partContainer.iterator();
+               parts.next();
+               parts.next();
+               parts.next();
+       }
+
+       @Test
+       public void removingElementsFromTheIteratorDoesNotRemoveThemFromTheContainer() {
+               Iterator<Part> parts = partContainer.iterator();
+               parts.remove();
+               assertThat(partContainer.size(), is(2));
+       }
+
+       @Test
+       public void textOfContainedPartsIsConcatenated() {
+               addNestedPartContainer();
+               assertThat(partContainer.getText(), is("Test! More Test! (nested)"));
+       }
+
+       @Test
+       public void partsCanBeRemoved() {
+               partContainer.removePart(1);
+               assertThat(partContainer, contains(matchesPart("Test!")));
+       }
+
+       private void addNestedPartContainer() {
+               Part nestedPart = createPart(" (nested)");
+               PartContainer nestedContainer = new PartContainer();
+               nestedContainer.add(nestedPart);
+               partContainer.add(nestedContainer);
+       }
+
+       private static Matcher<Part> matchesPart(final String text) {
+               return new TypeSafeMatcher<Part>() {
+                       @Override
+                       protected boolean matchesSafely(Part part) {
+                               return part.getText().equals(text);
+                       }
+
+                       @Override
+                       public void describeTo(Description description) {
+                               description.appendValue(text);
+                       }
+               };
+       }
+
+       private static Part createPart(final String text) {
+               return new Part() {
+                       @Override
+                       public String getText() {
+                               return text;
+                       }
+               };
+       }
+
+}