adds unit tests

x-pack/plugins/security_solution/common/detection_engine/prebuilt_rules/diff/extract_rule_schedule.test.ts

@@ -0,0 +1,18 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { getRulesSchemaMock } from '../../../api/detection_engine/model/rule_schema/mocks';
+import { extractRuleSchedule } from './extract_rule_schedule';
+
+describe('extractRuleSchedule', () => {
+  it('normalizes lookback strings to seconds', () => {
+    const mockRule = { ...getRulesSchemaMock(), from: 'now-6m', interval: '5m', to: 'now' };
+    const normalizedRuleSchedule = extractRuleSchedule(mockRule);
+
+    expect(normalizedRuleSchedule).toEqual({ interval: '5m', lookback: '60s' });
+  });
+});

x-pack/plugins/security_solution/common/detection_engine/prebuilt_rules/diff/extract_threat_array.test.ts

@@ -0,0 +1,56 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { getRulesSchemaMock } from '../../../api/detection_engine/model/rule_schema/mocks';
+import { getThreatMock } from '../../schemas/types/threat.mock';
+import { extractThreatArray } from './extract_threat_array';
+
+const mockThreat = getThreatMock()[0];
+
+describe('extractThreatArray', () => {
+  it('trims empty technique fields from threat object', () => {
+    const mockRule = { ...getRulesSchemaMock(), threat: [{ ...mockThreat, technique: [] }] };
+    const normalizedThreatArray = extractThreatArray(mockRule);
+
+    expect(normalizedThreatArray).toEqual([
+      {
+        framework: 'MITRE ATT&CK',
+        tactic: {
+          id: 'TA0000',
+          name: 'test tactic',
+          reference: 'https://attack.mitre.org/tactics/TA0000/',
+        },
+      },
+    ]);
+  });
+
+  it('trims empty subtechnique fields from threat object', () => {
+    const mockRule = {
+      ...getRulesSchemaMock(),
+      threat: [{ ...mockThreat, technique: [{ ...mockThreat.technique![0], subtechnique: [] }] }],
+    };
+    const normalizedThreatArray = extractThreatArray(mockRule);
+
+    expect(normalizedThreatArray).toEqual([
+      {
+        framework: 'MITRE ATT&CK',
+        tactic: {
+          id: 'TA0000',
+          name: 'test tactic',
+          reference: 'https://attack.mitre.org/tactics/TA0000/',
+        },
+        technique: [
+          {
+            id: 'T0000',
+            name: 'test technique',
+            reference: 'https://attack.mitre.org/techniques/T0000/',
+          },
+        ],
+      },
+    ]);
+  });
+});