diff --git a/src/plugins/data/public/search/aggs/buckets/filters.test.ts b/src/plugins/data/public/search/aggs/buckets/filters.test.ts
new file mode 100644
index 00000000000000..295e740a2a7809
--- /dev/null
+++ b/src/plugins/data/public/search/aggs/buckets/filters.test.ts
@@ -0,0 +1,253 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { Query } from '../../../../common';
+import { coreMock, notificationServiceMock } from '../../../../../../../src/core/public/mocks';
+import { AggConfigs } from '../agg_configs';
+import { mockAggTypesRegistry } from '../test_helpers';
+import { BUCKET_TYPES } from './bucket_agg_types';
+import { getFiltersBucketAgg, FiltersBucketAggDependencies } from './filters';
+import { fieldFormatsServiceMock } from '../../../field_formats/mocks';
+import { InternalStartServices } from '../../../types';
+
+describe('Filters Agg', () => {
+  let aggTypesDependencies: FiltersBucketAggDependencies;
+
+  beforeEach(() => {
+    jest.resetAllMocks();
+    const { uiSettings } = coreMock.createSetup();
+
+    aggTypesDependencies = {
+      uiSettings,
+      getInternalStartServices: () =>
+        (({
+          fieldFormats: fieldFormatsServiceMock.createStartContract(),
+          notifications: notificationServiceMock.createStartContract(),
+        } as unknown) as InternalStartServices),
+    };
+  });
+
+  describe('order agg editor UI', () => {
+    const getAggConfigs = (params: Record<string, any> = {}) => {
+      const indexPattern = {
+        id: '1234',
+        title: 'logstash-*',
+        fields: {
+          getByName: () => field,
+          filter: () => [field],
+          find: () => field,
+        },
+      } as any;
+
+      const field = {
+        name: 'field',
+        indexPattern,
+      };
+
+      return new AggConfigs(
+        indexPattern,
+        [
+          {
+            id: 'test',
+            params,
+            type: BUCKET_TYPES.FILTERS,
+          },
+        ],
+        {
+          typesRegistry: mockAggTypesRegistry([getFiltersBucketAgg(aggTypesDependencies)]),
+          fieldFormats: aggTypesDependencies.getInternalStartServices().fieldFormats,
+        }
+      );
+    };
+
+    const generateFilter = (label: string, language: string, query: Query['query']) => ({
+      label,
+      input: {
+        language,
+        query,
+      },
+    });
+
+    describe('using Lucene', () => {
+      test('works with lucene filters', () => {
+        const aggConfigs = getAggConfigs({
+          filters: [
+            generateFilter('a', 'lucene', 'foo'),
+            generateFilter('b', 'lucene', 'status:200'),
+            generateFilter('c', 'lucene', 'status:[400 TO 499] AND (foo OR bar)'),
+          ],
+        });
+
+        const { [BUCKET_TYPES.FILTERS]: params } = aggConfigs.aggs[0].toDsl();
+        expect(Object.values(params.filters).map((v: any) => v.bool.must)).toMatchInlineSnapshot(`
+          Array [
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "foo",
+                },
+              },
+            ],
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "status:200",
+                },
+              },
+            ],
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "status:[400 TO 499] AND (foo OR bar)",
+                },
+              },
+            ],
+          ]
+        `);
+      });
+    });
+
+    describe('using KQL', () => {
+      test('works with KQL filters', () => {
+        const aggConfigs = getAggConfigs({
+          filters: [
+            generateFilter('a', 'kuery', 'status:200'),
+            generateFilter('b', 'kuery', 'status > 500 and name:hello'),
+          ],
+        });
+
+        const { [BUCKET_TYPES.FILTERS]: params } = aggConfigs.aggs[0].toDsl();
+        expect(Object.values(params.filters).map((v: any) => v.bool.filter)).toMatchInlineSnapshot(`
+          Array [
+            Array [
+              Object {
+                "bool": Object {
+                  "minimum_should_match": 1,
+                  "should": Array [
+                    Object {
+                      "match": Object {
+                        "field": 200,
+                      },
+                    },
+                  ],
+                },
+              },
+            ],
+            Array [
+              Object {
+                "bool": Object {
+                  "filter": Array [
+                    Object {
+                      "bool": Object {
+                        "minimum_should_match": 1,
+                        "should": Array [
+                          Object {
+                            "range": Object {
+                              "field": Object {
+                                "gt": 500,
+                              },
+                            },
+                          },
+                        ],
+                      },
+                    },
+                    Object {
+                      "bool": Object {
+                        "minimum_should_match": 1,
+                        "should": Array [
+                          Object {
+                            "match": Object {
+                              "field": "hello",
+                            },
+                          },
+                        ],
+                      },
+                    },
+                  ],
+                },
+              },
+            ],
+          ]
+        `);
+      });
+
+      test('works with KQL wildcards', () => {
+        const aggConfigs = getAggConfigs({
+          filters: [generateFilter('a', 'kuery', '*'), generateFilter('b', 'kuery', 'foo*')],
+        });
+
+        const { [BUCKET_TYPES.FILTERS]: params } = aggConfigs.aggs[0].toDsl();
+        expect(Object.values(params.filters).map((v: any) => v.bool.filter)).toMatchInlineSnapshot(`
+          Array [
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "*",
+                },
+              },
+            ],
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "foo*",
+                },
+              },
+            ],
+          ]
+        `);
+      });
+
+      test('throws with leading wildcards if not allowed', () => {
+        const aggConfigs = getAggConfigs({
+          filters: [generateFilter('a', 'kuery', '*foo*')],
+        });
+
+        expect(() => {
+          aggConfigs.aggs[0].toDsl();
+        }).toThrowErrorMatchingInlineSnapshot(`
+"Leading wildcards are disabled. See query:allowLeadingWildcards in Advanced Settings.
+*foo*
+^"
+`);
+      });
+
+      test('works with leading wildcards if allowed', () => {
+        aggTypesDependencies.uiSettings.get = (s: any) =>
+          s === 'query:allowLeadingWildcards' ? true : s;
+
+        const aggConfigs = getAggConfigs({
+          filters: [generateFilter('a', 'kuery', '*foo*')],
+        });
+
+        const { [BUCKET_TYPES.FILTERS]: params } = aggConfigs.aggs[0].toDsl();
+        expect(Object.values(params.filters).map((v: any) => v.bool.filter)).toMatchInlineSnapshot(`
+          Array [
+            Array [
+              Object {
+                "query_string": Object {
+                  "query": "*foo*",
+                },
+              },
+            ],
+          ]
+        `);
+      });
+    });
+  });
+});