add unit tests for policy filtering query

x-pack/plugins/security_solution/server/endpoint/routes/policy/service.test.ts

@@ -5,6 +5,7 @@
  */
 
 import { GetPolicyResponseSchema } from '../../../../common/endpoint/schema/policy';
+import { getESQueryPolicyResponseByHostID } from './service';
 
 describe('test policy handlers schema', () => {
   it('validate that get policy response query schema', async () => {
@@ -17,3 +18,21 @@ describe('test policy handlers schema', () => {
     expect(() => GetPolicyResponseSchema.query.validate({})).toThrowError();
   });
 });
+
+describe('test policy query', () => {
+  it('queries for the correct host', async () => {
+    const hostID = 'f757d3c0-e874-11ea-9ad9-015510b487f4';
+    const query = getESQueryPolicyResponseByHostID(hostID, 'anyindex');
+    expect(query.body.query.bool.filter.term).toEqual({ 'host.id': hostID });
+  });
+
+  it('filters out initial policy by ID', async () => {
+    const query = getESQueryPolicyResponseByHostID(
+      'f757d3c0-e874-11ea-9ad9-015510b487f4',
+      'anyindex'
+    );
+    expect(query.body.query.bool.must_not.term).toEqual({
+      'Endpoint.policy.applied.id': '00000000-0000-0000-0000-000000000000',
+    });
+  });
+});