src/test/java/net/pterodactylus/sone/core/SoneParserTest.java

   1 package net.pterodactylus.sone.core;
   2
   3 import static com.google.common.base.Optional.absent;
   4 import static com.google.common.base.Optional.fromNullable;
   5 import static com.google.common.base.Optional.of;
   6 import static java.lang.String.format;
   7 import static java.util.logging.Level.OFF;
   8 import static org.hamcrest.CoreMatchers.is;
   9 import static org.hamcrest.CoreMatchers.notNullValue;
  10 import static org.hamcrest.MatcherAssert.assertThat;
  11 import static org.mockito.Matchers.anyString;
  12 import static org.mockito.Mockito.mock;
  13 import static org.mockito.Mockito.when;
  14
  15 import java.io.ByteArrayInputStream;
  16 import java.io.InputStream;
  17 import java.io.UnsupportedEncodingException;
  18 import java.util.logging.Logger;
  19
  20 import net.pterodactylus.sone.data.Client;
  21 import net.pterodactylus.sone.data.Image;
  22 import net.pterodactylus.sone.data.Sone;
  23 import net.pterodactylus.sone.database.Database;
  24 import net.pterodactylus.sone.database.SoneBuilder.SoneCreated;
  25 import net.pterodactylus.sone.database.memory.MemoryDatabase;
  26
  27 import com.google.common.base.Joiner;
  28 import com.google.common.base.Optional;
  29 import org.junit.Test;
  30
  31 /**
  32  * Unit test for {@link SoneParser}.
  33  *
  34  * @author <a href="mailto:d.roden@xplosion.de">David Roden</a>
  35  */
  36 public class SoneParserTest {
  37
  38         static {
  39                 Logger.getLogger("").setLevel(OFF);
  40         }
  41
  42         private final Core core = mock(Core.class);
  43         private final Database database = new MemoryDatabase(null);
  44         private final Sone originalSone = database.newSoneBuilder().by("test").using(new Client("TestClient", "1.0")).build(Optional.<SoneCreated>absent());
  45         private final SoneXmlBuilder soneXmlBuilder = new SoneXmlBuilder();
  46         private final SoneParser soneParser = new SoneParser();
  47
  48         public SoneParserTest() {
  49                 Optional<Image> image = mock(Optional.class);
  50                 when(core.getImage(anyString())).thenReturn(image);
  51         }
  52
  53         @Test
  54         public void verifyThatAnInvalidXmlDocumentIsNotParsed() throws UnsupportedEncodingException {
  55                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, getInputStream("<xml>This is not valid XML.</invalid>"));
  56                 assertThat(sone, notNullValue());
  57                 assertThat(sone.isPresent(), is(false));
  58         }
  59
  60         @Test
  61         public void verifyThatANegativeProtocolVersionCausesAnError() {
  62                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.setProtocolVersion("-1").get());
  63                 assertThat(sone, notNullValue());
  64                 assertThat(sone.isPresent(), is(false));
  65         }
  66
  67         @Test
  68         public void verifyThatATooLargeProtocolVersionCausesAnError() {
  69                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.setProtocolVersion("1").get());
  70                 assertThat(sone, notNullValue());
  71                 assertThat(sone.isPresent(), is(false));
  72         }
  73
  74         @Test
  75         public void verifyThatAMissingTimeCausesAnError() {
  76                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.removeTime().get());
  77                 assertThat(sone, notNullValue());
  78                 assertThat(sone.isPresent(), is(false));
  79         }
  80
  81         @Test
  82         public void verifyThatAMissingClientCausesTheOriginalClientToBeUsed() {
  83                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.removeClientInformation().get());
  84                 assertThat(sone, notNullValue());
  85                 assertThat(sone.isPresent(), is(true));
  86                 assertThat(sone.get().getClient(), notNullValue());
  87                 assertThat(sone.get().getClient(), is(originalSone.getClient()));
  88         }
  89
  90         @Test
  91         public void verifyThatTheCreatedSoneMeetsAllExpectations() {
  92                 Optional<Sone> sone = soneParser.parseSone(database, originalSone, soneXmlBuilder.get());
  93                 assertThat(sone, notNullValue());
  94                 assertThat(sone.isPresent(), is(true));
  95                 assertThat(sone.get().getTime(), is(1000L));
  96                 assertThat(sone.get().getClient(), notNullValue());
  97                 assertThat(sone.get().getClient().getName(), is("Test-Client"));
  98                 assertThat(sone.get().getClient().getVersion(), is("1.0"));
  99                 assertThat(sone.get().getProfile(), notNullValue());
 100                 assertThat(sone.get().getProfile().getFirstName(), is("First"));
 101                 assertThat(sone.get().getProfile().getMiddleName(), is("M."));
 102                 assertThat(sone.get().getProfile().getLastName(), is("Last"));
 103                 assertThat(sone.get().getProfile().getBirthYear(), is(2000));
 104                 assertThat(sone.get().getProfile().getBirthMonth(), is(9));
 105                 assertThat(sone.get().getProfile().getBirthDay(), is(13));
 106                 assertThat(sone.get().getProfile().getAvatar(), is("avatar-id"));
 107         }
 108
 109         public InputStream getInputStream(String content) throws UnsupportedEncodingException {
 110                 return new ByteArrayInputStream(content.getBytes("UTF-8"));
 111         }
 112
 113         private static class SoneXmlBuilder {
 114
 115                 private Optional<Long> time = of(1000L);
 116                 private Optional<String> protocolVersion = of("0");
 117                 private Optional<String> clientInformation = of("<name>Test-Client</name><version>1.0</version>");
 118                 private Optional<String> profile = of(Joiner.on("").join(
 119                                 "<first-name>First</first-name>",
 120                                 "<middle-name>M.</middle-name>",
 121                                 "<last-name>Last</last-name>",
 122                                 "<birth-year>2000</birth-year>",
 123                                 "<birth-month>9</birth-month>",
 124                                 "<birth-day>13</birth-day>",
 125                                 "<avatar>avatar-id</avatar>",
 126                                 "<fields>",
 127                                 "<field><field-name>Custom Field</field-name><field-value>Custom Value</field-value></field>",
 128                                 "</fields>"
 129                 ));
 130                 private Optional<String> posts = of("<post><id>post-id</id><time>1</time><recipient>recipient</recipient><text>Hello!</text></post>");
 131                 private Optional<String> replies = of("<reply><id>reply-id</id><post-id>post-id</post-id><time>2</time><text>Reply!</text></reply>");
 132
 133                 public SoneXmlBuilder removeTime() {
 134                         time = absent();
 135                         return this;
 136                 }
 137
 138                 public SoneXmlBuilder setProtocolVersion(String protocolVersion) {
 139                         this.protocolVersion = fromNullable(protocolVersion);
 140                         return this;
 141                 }
 142
 143                 public SoneXmlBuilder removeProtocolVersion() {
 144                         this.protocolVersion = absent();
 145                         return this;
 146                 }
 147
 148                 public SoneXmlBuilder setClientInformation(String name, String version) {
 149                         clientInformation = of("<name>" + name + "</name><version>" + version + "</version>");
 150                         return this;
 151                 }
 152
 153                 public SoneXmlBuilder removeClientInformation() {
 154                         clientInformation = absent();
 155                         return this;
 156                 }
 157
 158                 public SoneXmlBuilder removeProfile() {
 159                         profile = absent();
 160                         return this;
 161                 }
 162
 163                 public SoneXmlBuilder removePost() {
 164                         posts = absent();
 165                         return this;
 166                 }
 167
 168                 public SoneXmlBuilder removeReply() {
 169                         replies = absent();
 170                         return this;
 171                 }
 172
 173                 public InputStream get() {
 174                         StringBuilder content = new StringBuilder();
 175                         content.append("<sone>");
 176                         if (time.isPresent()) {
 177                                 content.append(createXmlElement("time", String.valueOf(time.get())));
 178                         }
 179                         if (protocolVersion.isPresent()) {
 180                                 content.append(createXmlElement("protocol-version", protocolVersion.get()));
 181                         }
 182                         if (clientInformation.isPresent()) {
 183                                 content.append(createXmlElement("client", clientInformation.get()));
 184                         }
 185                         if (profile.isPresent()) {
 186                                 content.append(createXmlElement("profile", profile.get()));
 187                         }
 188                         if (posts.isPresent()) {
 189                                 content.append(createXmlElement("posts", posts.get()));
 190                         }
 191                         content.append("</sone>");
 192                         try {
 193                                 String xmlString = content.toString();
 194                                 return new ByteArrayInputStream(xmlString.getBytes("UTF-8"));
 195                         } catch (UnsupportedEncodingException e) {
 196                                 /* ignore. */
 197                         }
 198                         return null;
 199                 }
 200
 201                 private String createXmlElement(String xmlElement, String content) {
 202                         return format("<%s>%s</%1$s>", xmlElement, content);
 203                 }
 204
 205         }
 206
 207 }