Add unit test for the channel-not-joined handler.

diff --git a/src/test/java/net/pterodactylus/irc/connection/ChannelNotJoinedHandlerTest.java b/src/test/java/net/pterodactylus/irc/connection/ChannelNotJoinedHandlerTest.java
new file mode 100644 (file)
index 0000000..3c27ebc
--- /dev/null
+++ b/src/test/java/net/pterodactylus/irc/connection/ChannelNotJoinedHandlerTest.java
@@ -0,0 +1,96 @@
+package net.pterodactylus.irc.connection;
+
+import static java.util.Arrays.asList;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.badChannelKey;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.banned;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.inviteOnly;
+import static net.pterodactylus.irc.event.ChannelNotJoined.Reason.registeredNicknamesOnly;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.mockito.ArgumentCaptor.forClass;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import net.pterodactylus.irc.Connection;
+import net.pterodactylus.irc.Reply;
+import net.pterodactylus.irc.event.ChannelNotJoined;
+import net.pterodactylus.irc.event.ChannelNotJoined.Reason;
+
+import com.google.common.eventbus.EventBus;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+
+/**
+ * Unit test for {@link ChannelNotJoinedHandler}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ChannelNotJoinedHandlerTest {
+
+       private final EventBus eventBus = mock(EventBus.class);
+       private final Connection connection = mock(Connection.class);
+       private final ChannelNotJoinedHandler handler =
+                       new ChannelNotJoinedHandler(eventBus, connection);
+
+       @Test
+       public void handlerWillOnlyReactToSpecificCommands() {
+               for (String command : asList("473", "474", "475", "477")) {
+                       assertThat(handler.willHandle(createReply(command)), is(true));
+               }
+       }
+
+       @Test
+       public void handlerWillNotWantToHandleOtherCommands() {
+               for (String command : asList("PRIVMSG", "NOTICE", "JOIN", "KICK",
+                               "PART", "QUIT", "331", "433")) {
+                       assertThat(handler.willHandle(createReply(command)), is(false));
+               }
+       }
+
+       private Reply createReply(String command) {
+               Reply reply = mock(Reply.class);
+               return when(reply.command()).thenReturn(command).getMock();
+       }
+
+       @Test
+       public void bannedChannelNotJoinedIsRecognizedCorrectly() {
+               handler.handleReply(createReply("474", "#test"));
+               verifyReasonIs(banned);
+       }
+
+       private void verifyReasonIs(Reason reason) {
+               ArgumentCaptor<ChannelNotJoined> channelNotJoined = forClass(
+                               ChannelNotJoined.class);
+               verify(eventBus).post(channelNotJoined.capture());
+               assertThat(channelNotJoined.getValue().channel(), is("#test"));
+               assertThat(channelNotJoined.getValue().reason(), is(reason));
+               assertThat(channelNotJoined.getValue().connection(), is(connection));
+       }
+
+       @Test
+       public void inviteOnlyChannelNotJoinedIsRecognizedCorrectly() {
+               handler.handleReply(createReply("473", "#test"));
+               verifyReasonIs(inviteOnly);
+       }
+
+       @Test
+       public void channelWithBadChannelKeyNotJoinedIsRecognizedCorrectly() {
+               handler.handleReply(createReply("475", "#test"));
+               verifyReasonIs(badChannelKey);
+       }
+
+       @Test
+       public void channelRequiringRegisteredNicknamesNotJoinedIsRecognizedCorrectly() {
+               handler.handleReply(createReply("477", "#test"));
+               verifyReasonIs(registeredNicknamesOnly);
+       }
+
+       private Reply createReply(String command, String channel) {
+               final Reply reply = mock(Reply.class);
+               when(reply.command()).thenReturn(command);
+               when(reply.parameters()).thenReturn(asList(":some.server", channel));
+               return reply;
+       }
+
+}