test(config): add integration test for droping index

Author: bevzzz

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

@@ -19,6 +19,7 @@
 import io.weaviate.client6.v1.api.collections.ReferenceProperty;
 import io.weaviate.client6.v1.api.collections.Replication;
 import io.weaviate.client6.v1.api.collections.VectorConfig;
+import io.weaviate.client6.v1.api.collections.config.PropertyIndexType;
 import io.weaviate.client6.v1.api.collections.config.Shard;
 import io.weaviate.client6.v1.api.collections.config.ShardStatus;
 import io.weaviate.client6.v1.api.collections.generative.DummyGenerative;
@@ -328,4 +329,44 @@ public void test_objectTtl() throws IOException {
         .extracting(CollectionConfig::objectTtl).isNotNull()
         .returns(false, ObjectTtl::enabled);
   }
+
+  @Test
+  public void test_dropPropertyIndex() throws IOException {
+    Weaviate.Version.V136.orSkip();
+
+    // Arrange
+    var nsThings = ns("Things");
+    var things = client.collections.create(nsThings,
+        c -> c.properties(
+            Property.text("title", p -> p
+                .indexFilterable(true)
+                .indexSearchable(true)),
+            Property.integer("size", p -> p
+                .indexRangeFilters(true))));
+
+    var config = things.config.get();
+    Assertions.assertThat(config).get()
+        .extracting(CollectionConfig::properties, InstanceOfAssertFactories.list(Property.class))
+        .allSatisfy(property -> {
+          boolean isNumeric = property.dataTypes().contains(DataType.INT);
+
+          Assertions.assertThat(property)
+              .returns(true, Property::indexFilterable)
+              .returns(!isNumeric, Property::indexSearchable)
+              .returns(isNumeric, Property::indexRangeFilters);
+        });
+
+    things.config.dropPropertyIndex("title", PropertyIndexType.FILTERABLE);
+    things.config.dropPropertyIndex("title", PropertyIndexType.SEARCHABLE);
+
+    things.config.dropPropertyIndex("size", PropertyIndexType.FILTERABLE);
+    things.config.dropPropertyIndex("size", PropertyIndexType.RANGE_FILTERS);
+
+    Assertions.assertThat(config).get()
+        .extracting(CollectionConfig::properties, InstanceOfAssertFactories.list(Property.class))
+        .allSatisfy(property -> Assertions.assertThat(property)
+            .returns(false, Property::indexFilterable)
+            .returns(false, Property::indexSearchable)
+            .returns(false, Property::indexRangeFilters));
+  }
 }