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test/helpers.js

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+import { mkdtempSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import sharp from 'sharp';
+import LibDashStore from '../src/index.js';
+import { BetterSqlite3Provider } from '../src/providers/sqlite3/index.js';
+
+/**
+ * Creates an isolated sqlite-backed store in a temp directory.
+ * Call `cleanup()` in an `after()` hook.
+ */
+export async function createTestStore(prefix = 'dash-unit-') {
+  const tempDir = mkdtempSync(join(tmpdir(), prefix));
+  const provider = new BetterSqlite3Provider({
+    filename: join(tempDir, 'test.db'),
+    storageDir: join(tempDir, 'storage'),
+  });
+  await provider.initialize();
+  const store = await new LibDashStore(provider);
+
+  const cleanup = async () => {
+    try {
+      provider.db?.close?.();
+    } catch {
+      // ignore
+    }
+    rmSync(tempDir, { recursive: true, force: true });
+  };
+
+  return { store, provider, tempDir, cleanup };
+}
+
+let tenantSeq = 0;
+
+/**
+ * Creates a google_auth user + company and selects it.
+ * Returns everything a test typically needs.
+ */
+export async function createTenant(store, { name, email } = {}) {
+  tenantSeq += 1;
+  const googleAuthId = await store.google_auth.add(email ?? `tenant-${tenantSeq}@example.com`);
+  const company = await store.company.create({
+    name: name ?? `Tenant ${tenantSeq} GmbH`,
+    iso639: 'de',
+    taxrate: 19,
+    reducedtaxrate: 7,
+    googleAuthId,
+  });
+  await store.google_auth.setSelectedCompany(googleAuthId, company.id);
+  return { googleAuthId, company, rootCategoryId: company.rootCategoryId };
+}
+
+let articleSeq = 0;
+
+/** Creates an article under the tenant's root category (or `parentId`). */
+export async function createArticle(store, tenant, overrides = {}) {
+  articleSeq += 1;
+  return store.article.createUnderParent({
+    googleAuthId: tenant.googleAuthId,
+    parentId: overrides.parentId ?? tenant.rootCategoryId,
+    name: overrides.name ?? `Article ${articleSeq}`,
+    ...overrides,
+  });
+}
+
+/** Returns the first customer group id of the tenant (needed for entity.create). */
+export async function firstCustomerGroupId(store, tenant) {
+  const groups = await store.customergroup.list(tenant.googleAuthId);
+  return groups[0].id;
+}
+
+/** Creates a customer entity. */
+export async function createCustomer(store, tenant, name = 'Customer') {
+  return store.entity.create(tenant.googleAuthId, {
+    customergroupId: await firstCustomerGroupId(store, tenant),
+    name,
+  });
+}
+
+/** Generates a small solid-color PNG buffer for image tests. */
+export async function makePng({ width = 64, height = 48, r = 200, g = 30, b = 60 } = {}) {
+  return sharp({
+    create: { width, height, channels: 3, background: { r, g, b } },
+  })
+    .png()
+    .toBuffer();
+}
+
+export const isoNow = () => new Date().toISOString();