Add unit test for the Sone parser.

diff --git a/src/test/java/net/pterodactylus/sone/core/SoneParserTest.java b/src/test/java/net/pterodactylus/sone/core/SoneParserTest.java
new file mode 100644 (file)
index 0000000..dbc0d10
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/core/SoneParserTest.java
@@ -0,0 +1,183 @@
+package net.pterodactylus.sone.core;
+
+import static com.google.common.base.Optional.absent;
+import static com.google.common.base.Optional.fromNullable;
+import static com.google.common.base.Optional.of;
+import static java.lang.String.format;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.hamcrest.CoreMatchers.nullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+
+import net.pterodactylus.sone.data.Client;
+import net.pterodactylus.sone.data.Image;
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.database.Database;
+import net.pterodactylus.sone.database.SoneBuilder.SoneCreated;
+import net.pterodactylus.sone.database.memory.MemoryDatabase;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Optional;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link SoneParser}.
+ *
+ * @author <a href="mailto:d.roden@xplosion.de">David Roden</a>
+ */
+public class SoneParserTest {
+
+       private final Core core = mock(Core.class);
+       private final Database database = new MemoryDatabase(null);
+       private final Sone originalSone = database.newSoneBuilder().by("test").using(new Client("TestClient", "1.0")).build(Optional.<SoneCreated>absent());
+       private final SoneXmlBuilder soneXmlBuilder = new SoneXmlBuilder();
+       private final SoneParser soneParser = new SoneParser();
+
+       public SoneParserTest() {
+               Optional<Image> image = mock(Optional.class);
+               when(core.getImage(anyString())).thenReturn(image);
+       }
+
+       @Test
+       public void verifyThatAnInvalidXmlDocumentIsNotParsed() throws UnsupportedEncodingException, SoneException {
+               assertThat(soneParser.parseSone(database, originalSone, getInputStream("<xml>This is not valid XML.</invalid>")), nullValue());
+       }
+
+       @Test
+       public void verifyThatANegativeProtocolVersionCausesAnError() throws SoneException {
+               assertThat(soneParser.parseSone(database, originalSone, soneXmlBuilder.setProtocolVersion("-1").get()), nullValue());
+       }
+
+       @Test
+       public void verifyThatAMissingClientCausesTheOriginalClientToBeUsed() throws SoneException {
+               Sone sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.removeClientInformation().get());
+               assertThat(sone, notNullValue());
+               assertThat(sone.getClient(), notNullValue());
+               assertThat(sone.getClient(), is(originalSone.getClient()));
+       }
+
+       @Test
+       public void verifyThatTheCreatedSoneMeetsAllExpectations() throws SoneException {
+               Sone sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.get());
+               assertThat(sone, notNullValue());
+               assertThat(sone.getTime(), is(1000L));
+               assertThat(sone.getClient(), notNullValue());
+               assertThat(sone.getClient().getName(), is("Test-Client"));
+               assertThat(sone.getClient().getVersion(), is("1.0"));
+               assertThat(sone.getProfile(), notNullValue());
+               assertThat(sone.getProfile().getFirstName(), is("First"));
+               assertThat(sone.getProfile().getMiddleName(), is("M."));
+               assertThat(sone.getProfile().getLastName(), is("Last"));
+               assertThat(sone.getProfile().getBirthYear(), is(2000));
+               assertThat(sone.getProfile().getBirthMonth(), is(9));
+               assertThat(sone.getProfile().getBirthDay(), is(13));
+               assertThat(sone.getProfile().getAvatar(), is("avatar-id"));
+       }
+
+       public InputStream getInputStream(String content) throws UnsupportedEncodingException {
+               return new ByteArrayInputStream(content.getBytes("UTF-8"));
+       }
+
+       private static class SoneXmlBuilder {
+
+               private Optional<Long> time = of(1000L);
+               private Optional<String> protocolVersion = of("0");
+               private Optional<String> clientInformation = of("<name>Test-Client</name><version>1.0</version>");
+               private Optional<String> profile = of(Joiner.on("").join(
+                               "<first-name>First</first-name>",
+                               "<middle-name>M.</middle-name>",
+                               "<last-name>Last</last-name>",
+                               "<birth-year>2000</birth-year>",
+                               "<birth-month>9</birth-month>",
+                               "<birth-day>13</birth-day>",
+                               "<avatar>avatar-id</avatar>",
+                               "<fields>",
+                               "<field><field-name>Custom Field</field-name><field-value>Custom Value</field-value></field>",
+                               "</fields>"
+               ));
+               private Optional<String> posts = of("<post><id>post-id</id><time>1</time><recipient>recipient</recipient><text>Hello!</text></post>");
+               private Optional<String> replies = of("<reply><id>reply-id</id><post-id>post-id</post-id><time>2</time><text>Reply!</text></reply>");
+
+               public SoneXmlBuilder removeTime() {
+                       time = absent();
+                       return this;
+               }
+
+               public SoneXmlBuilder setProtocolVersion(String protocolVersion) {
+                       this.protocolVersion = fromNullable(protocolVersion);
+                       return this;
+               }
+
+               public SoneXmlBuilder removeProtocolVersion() {
+                       this.protocolVersion = absent();
+                       return this;
+               }
+
+               public SoneXmlBuilder setClientInformation(String name, String version) {
+                       clientInformation = of("<name>" + name + "</name><version>" + version + "</version>");
+                       return this;
+               }
+
+               public SoneXmlBuilder removeClientInformation() {
+                       clientInformation = absent();
+                       return this;
+               }
+
+               public SoneXmlBuilder removeProfile() {
+                       profile = absent();
+                       return this;
+               }
+
+               public SoneXmlBuilder removePost() {
+                       posts = absent();
+                       return this;
+               }
+
+               public SoneXmlBuilder removeReply() {
+                       replies = absent();
+                       return this;
+               }
+
+               public InputStream get() {
+                       StringBuilder content = new StringBuilder();
+                       content.append("<sone>");
+                       if (time.isPresent()) {
+                               content.append(createXmlElement("time", String.valueOf(time.get())));
+                       }
+                       if (protocolVersion.isPresent()) {
+                               content.append(createXmlElement("protocol-version", protocolVersion.get()));
+                       }
+                       if (clientInformation.isPresent()) {
+                               content.append(createXmlElement("client", clientInformation.get()));
+                       }
+                       if (profile.isPresent()) {
+                               content.append(createXmlElement("profile", profile.get()));
+                       }
+                       if (posts.isPresent()) {
+                               content.append(createXmlElement("posts", posts.get()));
+                       }
+                       content.append("</sone>");
+                       try {
+                               String xmlString = content.toString();
+                               System.out.println(xmlString);
+                               return new ByteArrayInputStream(xmlString.getBytes("UTF-8"));
+                       } catch (UnsupportedEncodingException e) {
+                               /* ignore. */
+                       }
+                       return null;
+               }
+
+               private String createXmlElement(String xmlElement, String content) {
+                       return format("<%s>%s</%1$s>", xmlElement, content);
+               }
+
+       }
+
+}