179 lines
11 KiB
TypeScript
179 lines
11 KiB
TypeScript
// @vitest-environment jsdom
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import { describe, expect, it } from 'vitest';
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import * as XLSX from 'xlsx';
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import { buildDefenderVulnerabilityModel, type DefenderSourceRow, type DefenderSourceTable } from '../../src/domain/defender-for-iot';
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import { importFile } from '../../src/importers/importer';
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import { createCanonicalImportBatch } from '../../src/importers/canonical-import';
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import { importProfiles } from '../../src/profiles/profile-catalog';
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import { confirmEntryMappings, previewEntryFromDataset } from '../../src/features/import-workflow/import-workflow';
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import { canonicalModelToDataset } from '../../src/features/project-import/canonical-model-to-dataset';
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import { summarizeScanProcessingReadiness } from '../../src/features/project-import/datahub-processing-readiness';
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const summaryHeaders = ['Name', 'IP', 'Site', 'Sensor', 'TotalCVEs', 'Critical', 'High', 'Medium', 'Low'];
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const detailHeaders = ['Name', 'IP', 'Site', 'Sensor', 'CVE', 'Severity', 'NULL', 'Beschreibung'];
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function table(tableIndex: number, headers: string[], rows: Array<Record<string, unknown>>): DefenderSourceTable {
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return {
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tableIndex,
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name: headers.includes('CVE') ? 'Vulnerability detail' : 'Asset summary',
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headers,
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rows: rows.map((fields, index): DefenderSourceRow => ({ tableIndex, rowIndex: index + 1, fields: fields as DefenderSourceRow['fields'] }))
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};
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}
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function summary(name: string, ip: string, site: string, counts: [number, number, number, number], sensor = 'sensor-a') {
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return { Name: name, IP: ip, Site: site, Sensor: sensor, TotalCVEs: counts.reduce((sum, value) => sum + value, 0), Critical: counts[0], High: counts[1], Medium: counts[2], Low: counts[3] };
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}
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function detail(name: string, ip: string, site: string, sensor: string, cve: string, severity: string, description = 'Synthetic description', nullValue: unknown = null) {
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return { Name: name, IP: ip, Site: site, Sensor: sensor, CVE: cve, Severity: severity, NULL: nullValue, Beschreibung: description };
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}
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describe('Microsoft Defender for IoT vulnerability model', () => {
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it('models CVEs, devices, occurrences, observations, and aggregate-only counts independently', () => {
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const model = buildDefenderVulnerabilityModel([
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table(0, summaryHeaders, [
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summary('00:11:22:33:44:55', '10.0.0.1', 'North', [2, 3, 0, 1]),
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summary('device-b', '10.0.0.2', 'North', [1, 0, 0, 0])
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]),
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table(1, detailHeaders, [
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detail('00:11:22:33:44:55', '10.0.0.1', 'North', 'sensor-a', 'CVE-2026-0001', 'Critical'),
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detail('00:11:22:33:44:55', '10.0.0.1', 'North', 'sensor-b', 'CVE-2026-0001', 'Critical'),
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detail('00:11:22:33:44:55', '10.0.0.1', 'North', 'sensor-a', 'CVE-2026-0002', 'Critical'),
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detail('device-b', '10.0.0.2', 'North', 'sensor-a', 'CVE-2026-0001', 'Critical')
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])
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]);
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expect(model.cves).toHaveLength(2);
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expect(model.devices).toHaveLength(2);
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expect(model.occurrences).toHaveLength(3);
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expect(model.observations).toHaveLength(4);
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expect(model.cves.find(item => item.id === 'CVE-2026-0001')).toMatchObject({ deviceIds: expect.arrayContaining([expect.any(String), expect.any(String)]), observationCount: 3 });
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expect(model.occurrences.find(item => item.cve === 'CVE-2026-0001' && item.observations.length === 2)?.sensors).toEqual(['sensor-a', 'sensor-b']);
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expect(model.devices.find(item => item.displayName === '00:11:22:33:44:55')?.severity.high).toMatchObject({ detail: 0, summary: 3, aggregateOnly: 3, state: 'aggregate-only' });
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expect(model.aggregateOnlyCount).toBe(4);
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expect(model.sites[0]).toMatchObject({ assetCount: 2, uniqueCveCount: 2, affectedDeviceCount: 2, rawObservationCount: 4 });
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});
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it('uses MAC, IP, and site-scoped name identities without merging a reused IP across sites', () => {
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const model = buildDefenderVulnerabilityModel([table(0, detailHeaders, [
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detail('AA-BB-CC-DD-EE-FF', '10.0.0.1', 'A', 's1', 'CVE-2026-0101', 'High'),
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detail('device-ip', '10.0.0.2', 'A', 's1', 'CVE-2026-0102', 'High'),
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detail('device-name', '', 'A', 's1', 'CVE-2026-0103', 'Medium'),
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detail('device-reused-a', '10.0.0.9', 'A', 's1', 'CVE-2026-0104', 'Low'),
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detail('device-reused-b', '10.0.0.9', 'B', 's2', 'CVE-2026-0104', 'Low'),
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detail('', '', '', '', 'CVE-2026-0105', 'Critical')
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])]);
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expect(model.devices.map(item => item.identityMethod)).toEqual(expect.arrayContaining(['mac', 'ip', 'name', 'unresolved']));
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expect(model.devices.filter(item => item.ip === '10.0.0.9')).toHaveLength(2);
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expect(model.diagnostics.map(item => item.code)).toEqual(expect.arrayContaining([
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'defender-device-identity-site-scoped', 'defender-device-identity-unresolved'
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]));
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});
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it('keeps duplicate rows as evidence and flags conflicts, unexpected NULL data, and reconciliation failures', () => {
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const duplicate = detail('device-a', '', 'A', 'sensor-a', 'CVE-2026-0201', 'Critical', 'Description A');
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const model = buildDefenderVulnerabilityModel([
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table(0, summaryHeaders, [
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{ ...summary('device-a', '', 'A', [3, 0, 0, 0]), TotalCVEs: 99 },
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summary('device-a', '', 'A', [2, 0, 0, 0])
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]),
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table(1, detailHeaders, [
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duplicate,
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{ ...duplicate },
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detail('device-a', '', 'A', 'sensor-b', 'CVE-2026-0201', 'High', 'Description B', 'preserve-me'),
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detail('device-a', '', 'A', 'sensor-a', 'CVE-2026-0202', 'Critical')
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])
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]);
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expect(model.occurrences).toHaveLength(2);
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expect(model.observations).toHaveLength(4);
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expect(model.observations.some(item => item.additionalSourceFields.NULL === 'preserve-me')).toBe(true);
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expect(model.diagnostics.map(item => item.code)).toEqual(expect.arrayContaining([
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'defender-summary-total-mismatch',
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'defender-summary-conflict',
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'defender-duplicate-source-observation',
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'defender-null-column-populated',
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'defender-cve-severity-conflict',
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'defender-cve-description-conflict',
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'defender-summary-detail-mismatch'
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]));
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});
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it('distinguishes zero, unavailable detail, and single-sheet variants', () => {
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const summaryOnly = buildDefenderVulnerabilityModel([table(0, summaryHeaders, [summary('device-a', '', 'A', [0, 2, 0, 0])])]);
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const detailOnly = buildDefenderVulnerabilityModel([table(0, detailHeaders, [detail('device-a', '', 'A', 'sensor-a', 'CVE-2026-0301', 'Medium')])]);
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expect(summaryOnly.available).toBe(true);
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expect(summaryOnly.occurrences).toHaveLength(0);
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expect(summaryOnly.devices[0].severity.critical.state).toBe('zero');
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expect(summaryOnly.devices[0].severity.high.state).toBe('aggregate-only');
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expect(detailOnly.devices[0].severity.medium.state).toBe('detail-only');
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expect(detailOnly.devices[0].severity.low.state).toBe('unavailable');
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});
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it('selects the versioned profile and emits one candidate per device and CVE', async () => {
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const workbook = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(workbook, XLSX.utils.json_to_sheet([
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summary('00:11:22:33:44:55', '10.0.0.1', 'Synthetic site', [1, 2, 0, 0])
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], { header: summaryHeaders }), 'Assets');
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XLSX.utils.book_append_sheet(workbook, XLSX.utils.json_to_sheet([
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detail('00:11:22:33:44:55', '10.0.0.1', 'Synthetic site', 'sensor-a', 'CVE-2026-0401', 'Critical'),
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detail('00:11:22:33:44:55', '10.0.0.1', 'Synthetic site', 'sensor-b', 'CVE-2026-0401', 'Critical')
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], { header: detailHeaders }), 'Vulnerabilities');
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const bytes = XLSX.write(workbook, { type: 'array', bookType: 'xlsx' });
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const imported = await importFile(new File([bytes], 'defender-synthetic.xlsx', { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' }), { profiles: importProfiles });
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expect(imported.profileId).toBe('defender-for-iot-vulnerabilities');
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expect(imported.profileVersion).toBe('1.0.0');
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expect(imported.extraction?.extractor).toMatchObject({ id: 'defender-for-iot-vulnerability-source-extractor', version: '1.0.0' });
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expect(imported.extraction?.candidates).toHaveLength(1);
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expect(imported.extraction?.candidates[0].fields.find(field => field.label === 'Observation Count')?.originalValue).toBe(2);
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expect(imported.mapping?.candidates).toHaveLength(1);
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expect(imported.sheets.map(sheet => sheet.analysis.records.length).sort()).toEqual([1, 2]);
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const entry = confirmEntryMappings(previewEntryFromDataset(imported, {
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sha256: 'd'.repeat(64), fileName: imported.fileName, sizeBytes: imported.fileSize, lastModified: imported.lastModified
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}), importProfiles);
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const canonical = createCanonicalImportBatch('defender-synthetic', [entry], '2026-09-10T06:00:00.000Z').model;
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expect(canonical.importFiles[0]).toMatchObject({
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detectedTool: { id: 'defender-for-iot-vulnerabilities' },
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processedWith: {
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profileId: 'defender-for-iot-vulnerabilities',
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profileVersion: '1.0.0',
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compatibilityKey: 'defender-for-iot-vulnerabilities-v1'
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}
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});
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expect(summarizeScanProcessingReadiness(canonical.importFiles)).toMatchObject({ state: 'ready', statuses: ['current'] });
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expect(canonical.findingDefinitions).toHaveLength(1);
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expect(canonical.findingOccurrences).toHaveLength(1);
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expect(canonical.findingOccurrences[0].affectedAsset?.normalizedValue).toContain('mac:001122334455');
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expect(canonical.evidence).toHaveLength(1);
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expect(canonical.evidence[0]).toMatchObject({ kind: 'object', value: expect.any(Array) });
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expect(canonical.evidence[0].value).toHaveLength(2);
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expect(canonical.sourceTables.flatMap(source => source.rows ?? [])).toHaveLength(1);
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});
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it('keeps a summary-only import viewable without creating finding definitions or occurrences', async () => {
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const workbook = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(workbook, XLSX.utils.json_to_sheet([
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summary('synthetic-device', '', 'Synthetic site', [0, 2, 0, 0])
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], { header: summaryHeaders }), 'Assets');
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const bytes = XLSX.write(workbook, { type: 'array', bookType: 'xlsx' });
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const imported = await importFile(new File([bytes], 'defender-summary-synthetic.xlsx', { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' }), { profiles: importProfiles });
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const entry = confirmEntryMappings(previewEntryFromDataset(imported, {
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sha256: 'e'.repeat(64), fileName: imported.fileName, sizeBytes: imported.fileSize, lastModified: imported.lastModified
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}), importProfiles);
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const canonical = createCanonicalImportBatch('defender-summary-synthetic', [entry], '2026-09-10T06:00:00.000Z').model;
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const projected = canonicalModelToDataset(canonical);
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expect(imported.profileId).toBe('defender-for-iot-vulnerabilities');
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expect(canonical.findingDefinitions).toHaveLength(0);
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expect(canonical.findingOccurrences).toHaveLength(0);
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expect(projected?.profileId).toBe('defender-for-iot-vulnerabilities');
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expect(projected?.sheets.some(sheet => sheet.analysis.headers.includes('TotalCVEs'))).toBe(true);
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});
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});
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