100 lines
3.1 KiB
TypeScript
100 lines
3.1 KiB
TypeScript
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import assert from 'node:assert/strict';
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import test from 'node:test';
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import {
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getAppSessionRuntime,
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getAppSettingsRuntime,
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getAppVaultRuntime,
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registerAppSessionRuntime,
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registerAppSettingsRuntime,
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registerAppVaultRuntime,
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subscribeAppSessionRuntime,
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subscribeAppSettingsRuntime,
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subscribeAppVaultRuntime,
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type AppSessionRuntime,
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type AppSettingsRuntime,
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type AppVaultRuntime,
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} from './appRuntimeBridge';
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const vaultRuntime = (label: string) => ({ label }) as unknown as AppVaultRuntime;
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const sessionRuntime = (label: string) => ({ label }) as unknown as AppSessionRuntime;
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const settingsRuntime = (label: string) => ({ label }) as unknown as AppSettingsRuntime;
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test('vault slot exposes the last registered runtime and notifies on change', () => {
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let notifications = 0;
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const unsubscribe = subscribeAppVaultRuntime(() => {
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notifications += 1;
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});
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const first = vaultRuntime('first');
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registerAppVaultRuntime(first);
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assert.equal(getAppVaultRuntime(), first);
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assert.equal(notifications, 1);
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// Re-registering the same identity is what a render with unchanged state
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// does; it must not wake subscribers.
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registerAppVaultRuntime(first);
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assert.equal(notifications, 1);
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const second = vaultRuntime('second');
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registerAppVaultRuntime(second);
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assert.equal(getAppVaultRuntime(), second);
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assert.equal(notifications, 2);
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unsubscribe();
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registerAppVaultRuntime(null);
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assert.equal(getAppVaultRuntime(), null);
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assert.equal(notifications, 2, 'unsubscribed listeners stay quiet');
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});
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test('session slot is independent from the vault slot', () => {
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let vaultNotifications = 0;
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let sessionNotifications = 0;
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const unsubscribeVault = subscribeAppVaultRuntime(() => {
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vaultNotifications += 1;
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});
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const unsubscribeSession = subscribeAppSessionRuntime(() => {
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sessionNotifications += 1;
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});
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const runtime = sessionRuntime('session');
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registerAppSessionRuntime(runtime);
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assert.equal(getAppSessionRuntime(), runtime);
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assert.equal(sessionNotifications, 1);
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assert.equal(vaultNotifications, 0);
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unsubscribeVault();
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unsubscribeSession();
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registerAppSessionRuntime(null);
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});
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test('settings slot is independent from the vault and session slots', () => {
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let settingsNotifications = 0;
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let otherNotifications = 0;
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const unsubscribeSettings = subscribeAppSettingsRuntime(() => {
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settingsNotifications += 1;
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});
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const unsubscribeVault = subscribeAppVaultRuntime(() => {
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otherNotifications += 1;
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});
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const unsubscribeSession = subscribeAppSessionRuntime(() => {
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otherNotifications += 1;
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});
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const runtime = settingsRuntime('settings');
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registerAppSettingsRuntime(runtime);
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assert.equal(getAppSettingsRuntime(), runtime);
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assert.equal(settingsNotifications, 1);
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assert.equal(otherNotifications, 0);
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// A re-render with unchanged state re-registers the same identity.
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registerAppSettingsRuntime(runtime);
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assert.equal(settingsNotifications, 1);
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unsubscribeSettings();
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unsubscribeVault();
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unsubscribeSession();
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registerAppSettingsRuntime(null);
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assert.equal(getAppSettingsRuntime(), null);
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});
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