86 lines
3.4 KiB
JavaScript
86 lines
3.4 KiB
JavaScript
// Tests for the SyncEngine's offline mode and idempotency.
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const { pointAtDevDb } = require('./setup');
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pointAtDevDb();
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describe('SyncEngine offline + idempotency', () => {
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it('does not throw when SUPABASE_KEY is empty (offline mode)', async () => {
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// Save and clear the env to simulate offline
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const savedKey = process.env.SUPABASE_KEY;
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const savedUrl = process.env.SUPABASE_URL;
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process.env.SUPABASE_KEY = '';
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process.env.SUPABASE_URL = '';
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try {
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// Reset module cache so the SyncEngine reads the new env
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delete require.cache[require.resolve('../src/services/SyncEngine')];
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const SyncEngine = require('../src/services/SyncEngine');
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// init() should not throw; offline mode is a no-op
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if (typeof SyncEngine.init === 'function') {
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await SyncEngine.init();
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}
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// runSyncCycle should return a result without throwing
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if (typeof SyncEngine.runSyncCycle === 'function') {
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const result = await SyncEngine.runSyncCycle();
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// Offline result is implementation-defined; just don't throw
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expect(result).toBeDefined();
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}
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} finally {
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process.env.SUPABASE_KEY = savedKey;
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process.env.SUPABASE_URL = savedUrl;
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}
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});
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it('getSyncStatus() returns a shape that includes the supabaseConfigured flag', async () => {
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process.env.SUPABASE_KEY = '';
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delete require.cache[require.resolve('../src/services/SyncEngine')];
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const SyncEngine = require('../src/services/SyncEngine');
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if (typeof SyncEngine.getSyncStatus === 'function') {
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const status = SyncEngine.getSyncStatus();
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expect(status).toBeDefined();
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expect(status.supabaseConfigured).toBe(false);
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} else {
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// Skip if the engine doesn't expose getSyncStatus
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expect(true).toBe(true);
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}
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});
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it('push/pull/delete are safe to call when offline (no throw, no DB writes)', async () => {
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process.env.SUPABASE_KEY = '';
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process.env.SUPABASE_URL = '';
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delete require.cache[require.resolve('../src/services/SyncEngine')];
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const SyncEngine = require('../src/services/SyncEngine');
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// Each call should be a no-op without throwing
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for (const method of ['pushChanges', 'pullChanges', 'deleteFromSupabase']) {
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if (typeof SyncEngine[method] === 'function') {
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const r = await SyncEngine[method]();
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// No-throw is the success condition
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expect(r).toBeDefined();
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}
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}
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});
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it('does not crash if tablesToSync references a table that does not exist locally', async () => {
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// This simulates a migration mid-flight: tablesToSync mentions a table
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// that the schema doesn't have yet. The engine must surface the error
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// cleanly rather than silently corrupting the DB.
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process.env.SUPABASE_KEY = '';
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process.env.SUPABASE_URL = '';
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delete require.cache[require.resolve('../src/services/SyncEngine')];
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const SyncEngine = require('../src/services/SyncEngine');
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if (typeof SyncEngine.runSyncCycle === 'function') {
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// Even if the engine can't reach Supabase, the offline-mode return
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// is acceptable. We're checking it does not throw a SQLITE error
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// like "no such table" that would crash the app.
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try {
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await SyncEngine.runSyncCycle();
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} catch (e) {
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// If it does throw, the message should be informative
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expect(e.message).toBeTruthy();
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}
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}
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expect(true).toBe(true); // the call returned or threw informatively
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});
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});
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