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@@ -8,9 +8,8 @@ import { mkdtempSync, writeFileSync } from 'node:fs'
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import { tmpdir } from 'node:os'
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import { join } from 'node:path'
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import { describe, expect, it } from 'vitest'
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-import type { Context } from 'cordis'
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+import { Context } from 'cordis'
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import type { Include } from '@cordisjs/plugin-include'
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-import { Group } from '@cordisjs/plugin-loader'
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import { boot } from '../src/index.ts'
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const NAME = 'dsh-test-bin'
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@@ -219,8 +218,10 @@ describe('loader tree replacement', () => {
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})
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it('stops and restores descendants when an ancestor group is disabled and re-enabled', async () => {
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+ // No manual builtin registration: `boot()` supplies `cordis:group` beside
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+ // `cordis:include`, which is what lets a composition give one `isolate`
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+ // realm to a provider and its consumers together.
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const { ctx, dir, include } = await bootTree('- id: noop\n name: ./noop.mjs\n')
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- ctx.loader.builtins.group = Group
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try {
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const config = (disabled: boolean) => [
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'- id: parent',
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@@ -253,7 +254,6 @@ describe('loader tree replacement', () => {
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const { ctx } = await bootTree('- id: noop\n name: ./noop.mjs\n', {
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'movable.mjs': plugin('movablePlugin', 'if (config.fail) throw new Error("candidate config failed")'),
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})
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- ctx.loader.builtins.group = Group
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try {
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const groupId = await ctx.loader.create({ name: 'cordis:group', group: true, config: [] })
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const targetId = await ctx.loader.create({ name: './movable.mjs', config: { fail: false } })
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@@ -386,3 +386,46 @@ describe('include patches layered over one base', () => {
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}
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})
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})
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+
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+describe('shipped builtins', () => {
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+ it('lets a booted composition share one isolate realm across a group of rows', async () => {
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+ // The reason `boot()` registers `cordis:group`: a composition — notably an
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+ // agent preset living outside this workspace, which cannot resolve
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+ // `@cordisjs/plugin-group` by name — gives a provider and its consumer one
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+ // named realm so the service stays out of the root realm while remaining
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+ // visible to the rows that need it.
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+ const { ctx } = await bootTree([
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+ '- id: realm',
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+ ' name: cordis:group',
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+ ' isolate:',
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+ ' demoRealmSvc: true',
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+ ' config:',
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+ ' - id: provider',
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+ ' name: ./provider.mjs',
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+ ' - id: consumer',
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+ ' name: ./consumer.mjs',
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+ '',
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+ ].join('\n'), {
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+ 'provider.mjs': 'export const name = "provider"\n'
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+ + 'export function apply(ctx) { ctx.effect(() => ctx.reflect.provide("demoRealmSvc", { tag: "realm" })) }\n',
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+ 'consumer.mjs': 'export const name = "consumer"\n'
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+ + 'export const inject = ["demoRealmSvc"]\n'
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+ + 'export function apply(ctx) { globalThis.__REALM_SEEN__ = ctx.get("demoRealmSvc").tag }\n',
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+ })
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+ try {
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+ expect((globalThis as { __REALM_SEEN__?: string }).__REALM_SEEN__).toBe('realm')
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+ // `provide` mints the root symbol unconditionally (cordis `reflect.ts`),
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+ // so the name IS in the root realm — pinned here because it is the half
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+ // that looks like the claim and is not. The claim is the other half: no
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+ // implementation is stored under that symbol, so the root realm cannot
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+ // resolve the service and a second composition mounting the same rows
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+ // cannot collide with this one.
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+ const rootKey = ctx.root[Context.isolate].demoRealmSvc
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+ expect(rootKey).toBeDefined()
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+ expect(ctx.reflect.store[rootKey!]).toBeUndefined()
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+ } finally {
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+ delete (globalThis as { __REALM_SEEN__?: string }).__REALM_SEEN__
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+ await ctx.fiber.dispose()
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+ }
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+ })
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+})
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Yichen Jiang