refac: переосмысление

src/test/java/mc/nbt/io/NbtInputStreamTest.java

@@ -0,0 +1,38 @@
+package mc.nbt.io;
+
+import mc.nbt.CompoundTag;
+import mc.nbt.StringTag;
+import mc.nbt.TagType;
+import mc.nbt.TagValue;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.util.Objects;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class NbtInputStreamTest {
+
+    @Test
+    void testSimple() throws IOException {
+        try (var stream = Objects.requireNonNull(NbtInputStreamTest.class.getResourceAsStream("/hello_world.nbt"));
+             NbtInputStream nbtInputStream = new NbtInputStream(stream)) {
+
+            TagValue tag = nbtInputStream.readTag();
+            assertNotNull(tag);
+            assertEquals(TagType.COMPOUND, tag.getType());
+
+            CompoundTag compoundTag = tag.asCompound();
+            assertEquals("hello world", compoundTag.getName());
+            assertEquals(1, compoundTag.size());
+
+            assertTrue(compoundTag.containsKey("name"));
+            tag = compoundTag.get("name");
+            assertEquals(TagType.STRING, tag.getType());
+
+            StringTag stringTag = tag.asString();
+            assertEquals("name", stringTag.getName());
+            assertEquals("Bananrama", stringTag.getValue());
+        }
+    }
+}