#336 Create command list generator in tools

- Add new conditional template tags [...] blabla [/...]
- Create logic for generating a list of commands

src/test/java/fr/xephi/authme/command/CommandUtilsTest.java

@@ -0,0 +1,52 @@
+package fr.xephi.authme.command;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
+
+/**
+ * Test for {@link CommandUtils}.
+ */
+public class CommandUtilsTest {
+
+    @Test
+    public void shouldPrintLabels() {
+        // given
+        List<String> labels = Arrays.asList("authme", "help", "reload");
+
+        // when
+        String result = CommandUtils.labelsToString(labels);
+
+        // then
+        assertThat(result, equalTo("authme help reload"));
+    }
+
+    @Test
+    public void shouldReturnCommandPath() {
+        // given
+        CommandDescription base = CommandDescription.builder()
+            .labels("authme", "auth")
+            .description("Base")
+            .detailedDescription("Test base command.")
+            .executableCommand(mock(ExecutableCommand.class))
+            .build();
+        CommandDescription command = CommandDescription.builder()
+            .parent(base)
+            .labels("help", "h", "?")
+            .description("Child")
+            .detailedDescription("Test child command.")
+            .executableCommand(mock(ExecutableCommand.class))
+            .build();
+
+        // when
+        String commandPath = CommandUtils.constructCommandPath(command);
+
+        // then
+        assertThat(commandPath, equalTo("/authme help"));
+    }
+}