test(batch): add the '10_000 objects' integration test

Author: bevzzz

src/it/java/io/weaviate/integration/BatchITest.java

@@ -0,0 +1,48 @@
+package io.weaviate.integration;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.UUID;
+
+import org.assertj.core.api.Assertions;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import io.weaviate.ConcurrentTest;
+import io.weaviate.client6.v1.api.WeaviateClient;
+import io.weaviate.client6.v1.api.collections.Property;
+import io.weaviate.client6.v1.api.collections.WeaviateObject;
+import io.weaviate.containers.Container;
+import io.weaviate.containers.Weaviate;
+
+public class BatchITest extends ConcurrentTest {
+  private static final WeaviateClient client = Container.WEAVIATE.getClient();
+
+  @BeforeClass
+  public static void __() {
+    Weaviate.Version.V136.orSkip();
+  }
+
+  @Test
+  public void test() throws IOException {
+    var nsThings = ns("Things");
+
+    var things = client.collections.create(
+        nsThings,
+        c -> c.properties(Property.text("letter")));
+
+    // Act
+    try (var batch = things.batch.start()) {
+      for (int i = 0; i < 10_000; i++) {
+        String uuid = UUID.randomUUID().toString();
+        batch.add(WeaviateObject.of(builder -> builder
+            .uuid(uuid)
+            .properties(Map.of("letter", uuid.substring(0, 1)))));
+      }
+    } catch (InterruptedException e) {
+    }
+
+    // Assert
+    Assertions.assertThat(things.size()).isEqualTo(10_000);
+  }
+}