mirror of
https://github.com/DayuanJiang/next-ai-draw-io.git
synced 2026-10-13 04:59:51 +08:00
Dayuan Jiang
60105ddb51
## Problem
Two audits of the repository (a workflow of finder, dedup and per-file verifier agents, run on 2026-10-11 against 1f4141e and again against 07f3e3c after a first round of refactoring) found dead code and features that were more machinery than the app needs: an Electron configuration-preset system with its own settings window, three copies of the about page, a hand-written `.env` parser, an "extended" system prompt nobody selected, two data migrations for formats from 2025-12 and 2026-01, a server-side example cache, type-to-confirm provider deletion, 81 unused dictionary keys, wrapper components around single call sites, and a long tail of unused exports, props, options and tests.
## Change
Every item below was either approved one by one or covered by "fix all of the others".
- **Electron:** the configuration-preset system is gone (settings window, preload, IPC, menu entry, dev watcher); `config-manager.ts` keeps only `userLocale`; `.env` files are parsed with `dotenv`. Entitlements file and a duplicate CI workflow removed; `test.yml` gets a type check and concurrency.
- **Server:** no extended prompt, no example cache, no `ENABLE_HISTORY_XML_REPLACE`, no message metadata or `hasConfig`; the connection test is one shared helper; EdgeOne loses its mock branch and model aliases; `DEBUG_LLM_PAYLOAD` logs message structure instead of payloads; Langfuse scoring helper; `apiKeyEnv` arrays kept and documented in `env.example` and the provider docs.
- **Pages:** one about page per language from a single component (old `/cn` and `/ja` URLs redirect with 308); layout uses `hasLocale`; the GitHub icon is a local component instead of `react-icons`; Cloudflare deploys without an R2 cache by default.
- **Chat and canvas:** the legacy `diagramHistory` conversion, the localStorage chat migration and the templates storage are gone; `chat-engine` reads the diagram through the context's refs; the diagram context has one tagged export path (`requestTaggedExport` / `fetchDiagramXml`); the screenshot check uses fetch + JSON and `generateText` with `Output.object`; `load-diagram` accepts `<svg:svg>` and strips the XML prolog.
- **Settings UI:** `model-selector` inlines its Dialog, Command and Tooltip; `ai-elements/model-selector`, `button-with-tooltip`, `error-toast` removed; no type-to-confirm, no footer, no `bedrockApiKey`; `use-model-config` loses the old-format migration; one reasoning component; the shimmer is CSS (no `motion`, no `@radix-ui/react-use-controllable-state`); 81 dictionary keys removed in all four languages.
- **MCP server:** `registerTool` / `ok` / `fail` replace per-tool try/catch; `syncFromBrowser`, `commitDocument`, `describePages`; the hand-written XML syntax check, unused result fields, `pickPageSelector`, `expandStyles` and the `host` attribute handling are gone; tests get a shared `setup.ts` and drive the server through the SDK client.
- **Prompt:** the web app's style rules come from the MCP drawing guide (`styleRules`), byte-identical to before.
- **Tests:** shared e2e helpers (`openApp`, `sse`, `toolCallEvents`, `chunkedReplies`); placeholder specs dropped; `settings-review-fixes` split by topic; unit tests use `vi.stubEnv`.
- **Dependencies removed:** `@xmldom/xmldom`, `remark-gfm`, `@anthropic-ai/tokenizer`, `@testing-library/user-event`, `concurrently`, `wait-on`, `eslint`, `eslint-config-next`, `@vitest/coverage-v8`, `shx`, `motion`, `@radix-ui/react-use-controllable-state`, `react-icons`.
Source lines: 74,983 before, 67,418 after (excluding lockfiles).
The last commit merges #984 (the canvas shell). Where the shell, the classic page or their tests depend on a wire format or signature this branch had changed, main's version wins (export fields of the poll response, `addHistory` signature); where main only extended code this branch restructured, main's change is carried into the new structure (`start_session`, `get_selection`, `prepareNewDiagram`, the diagram context's `requestExport`).
## Testing
- `tsc --noEmit` for the web app, `packages/mcp-server`, its shell and `electron`: clean
- `biome ci`: 0 errors (37 pre-existing warnings)
- Root `vitest run`: 719 passed; `packages/mcp-server` `vitest run`: 372 passed
- `next build`: clean
- Playwright, whole web suite on the dev server (4 workers): 280 tests, 279 passed; `language.spec.ts` "a stale offer to switch without saving does nothing once a message is being sent" failed under parallel load and passed alone, as it does on main
372 lines
17 KiB
TypeScript
372 lines
17 KiB
TypeScript
import { describe, expect, it } from "vitest"
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import { extractCompleteMxCells, isMxCellXmlComplete } from "@/lib/utils"
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import {
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expandCompactCells,
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foldCells,
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} from "@/packages/mcp-server/src/compact-cells.ts"
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import { editDiagram } from "@/packages/mcp-server/src/edit-diagram.ts"
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import { prepareNewDiagram } from "@/packages/mcp-server/src/new-diagram.ts"
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import {
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normalizeToMxfile,
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wrapCellsInModel,
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} from "@/packages/mcp-server/src/pages.ts"
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const shape =
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'<mxCell id="2" value="Start" style="rounded=1;" x="40" y="40" w="120" h="60"/>'
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const shapeLong =
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'<mxCell id="2" value="Start" style="rounded=1;" vertex="1" parent="1"><mxGeometry x="40" y="40" width="120" height="60" as="geometry"/></mxCell>'
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const edge = '<mxCell id="5" style="down;" source="2" target="3"/>'
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const edgeLong =
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'<mxCell id="5" style="down;" edge="1" parent="1" source="2" target="3"><mxGeometry relative="1" as="geometry"/></mxCell>'
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/** Cells compared by what they mean, not by attribute order */
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function canonical(xml: string): string {
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const doc = new DOMParser().parseFromString(
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`<root>${xml}</root>`,
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"text/xml",
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)
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const describe = (el: Element): string => {
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const attrs = Array.from(el.attributes)
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.map((a) => `${a.name}=${a.value}`)
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.sort()
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.join(" ")
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const children = Array.from(el.children).map(describe).join("")
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return `<${el.tagName} ${attrs}>${children}</${el.tagName}>`
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}
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return Array.from(doc.documentElement.children).map(describe).join("\n")
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}
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describe("expandCompactCells", () => {
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it("gives a compact shape its flags, parent and geometry", () => {
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expect(expandCompactCells(shape)).toBe(shapeLong)
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})
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it("gives a compact edge its flags, parent and relative geometry", () => {
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expect(expandCompactCells(edge)).toBe(edgeLong)
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})
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it("keeps an explicit parent and accepts width/height as names", () => {
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const inLane =
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'<mxCell id="3" value="Step" style="rounded=1;" parent="lane1" x="20" y="60" width="160" height="40"/>'
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expect(expandCompactCells(inLane)).toBe(
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'<mxCell id="3" value="Step" style="rounded=1;" vertex="1" parent="lane1"><mxGeometry x="20" y="60" width="160" height="40" as="geometry"/></mxCell>',
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)
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})
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it("fills in a default position and size when some are missing", () => {
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expect(expandCompactCells('<mxCell id="2" value="A" w="100"/>')).toBe(
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'<mxCell id="2" value="A" vertex="1" parent="1"><mxGeometry x="0" y="0" width="100" height="60" as="geometry"/></mxCell>',
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)
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})
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it("lets an explicit geometry win over compact attributes", () => {
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// The stray attributes stay as written; the geometry is the one used
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const both =
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'<mxCell id="2" x="1" y="1" w="1" h="1"><mxGeometry x="40" y="40" width="120" height="60" as="geometry"/></mxCell>'
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expect(expandCompactCells(both)).toBe(
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'<mxCell id="2" x="1" y="1" w="1" h="1" vertex="1" parent="1"><mxGeometry x="40" y="40" width="120" height="60" as="geometry"/></mxCell>',
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)
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})
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it("adds the relative geometry to a long-form edge that has none", () => {
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const noGeometry =
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'<mxCell id="5" style="down;" edge="1" parent="1" source="2" target="3"/>'
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expect(expandCompactCells(noGeometry)).toBe(edgeLong)
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})
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it("leaves root cells, long-form cells and edge labels alone", () => {
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const roots = '<mxCell id="0"/><mxCell id="1" parent="0"/>'
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const label =
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'<mxCell id="9" value="yes" style="edgeLabel;" vertex="1" connectable="0" parent="5"><mxGeometry x="-0.5" relative="1" as="geometry"/></mxCell>'
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expect(expandCompactCells(roots + shapeLong + edgeLong + label)).toBe(
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roots + shapeLong + edgeLong + label,
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)
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})
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it("works on a cell inside a UserObject wrapper", () => {
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const wrapped =
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'<UserObject id="4" label="Docs" link="https://example.com"><mxCell style="rounded=1;" x="580" y="40" w="120" h="60"/></UserObject>'
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expect(expandCompactCells(wrapped)).toBe(
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'<UserObject id="4" label="Docs" link="https://example.com"><mxCell style="rounded=1;" vertex="1" parent="1"><mxGeometry x="580" y="40" width="120" height="60" as="geometry"/></mxCell></UserObject>',
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)
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})
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})
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describe("foldCells", () => {
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it("writes plain shapes and edges compactly", () => {
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expect(foldCells(shapeLong)).toBe(shape)
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expect(foldCells(edgeLong)).toBe(edge)
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})
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it("keeps a parent other than 1 and leaves special cells as written", () => {
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const inLane =
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'<mxCell id="3" value="Step" style="rounded=1;" vertex="1" parent="lane1"><mxGeometry x="20" y="60" width="160" height="40" as="geometry"/></mxCell>'
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expect(foldCells(inLane)).toBe(
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'<mxCell id="3" value="Step" style="rounded=1;" parent="lane1" x="20" y="60" w="160" h="40"/>',
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)
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const waypoints =
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'<mxCell id="6" edge="1" parent="1" source="2" target="3"><mxGeometry relative="1" as="geometry"><Array as="points"><mxPoint x="750" y="80"/></Array></mxGeometry></mxCell>'
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const label =
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'<mxCell id="9" value="yes" style="edgeLabel;" vertex="1" connectable="0" parent="5"><mxGeometry x="-0.5" relative="1" as="geometry"/></mxCell>'
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const sourcePoint =
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'<mxCell id="7" edge="1" parent="1" target="3"><mxGeometry relative="1" as="geometry"><mxPoint x="10" y="10" as="sourcePoint"/></mxGeometry></mxCell>'
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const roots = '<mxCell id="0"/><mxCell id="1" parent="0"/>'
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const wrongAs =
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'<mxCell id="8" vertex="1" parent="1"><mxGeometry x="1" y="1" width="2" height="2" as="33"/></mxCell>'
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for (const xml of [waypoints, label, sourcePoint, roots, wrongAs]) {
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expect(foldCells(xml)).toBe(xml)
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}
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})
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it("round-trips through expandCompactCells", () => {
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const page = `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${shapeLong}${edgeLong}<mxCell id="lane1" value="Lane" style="swimlane;" vertex="1" parent="1"><mxGeometry x="40" y="40" width="200" height="200" as="geometry"/></mxCell><mxCell id="3" value="Step" style="rounded=1;" vertex="1" parent="lane1"><mxGeometry x="20" y="60" width="160" height="40" as="geometry"/></mxCell><mxCell id="6" edge="1" parent="1" source="2" target="3"><mxGeometry relative="1" as="geometry"><Array as="points"><mxPoint x="750" y="80"/></Array></mxGeometry></mxCell></root></mxGraphModel>`
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const folded = foldCells(page)
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expect(folded).not.toContain("vertex=")
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expect(canonical(expandCompactCells(folded))).toBe(canonical(page))
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})
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})
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describe("compact cells through the pipeline", () => {
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const geometryOf = (xml: string, id: string) =>
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xml.match(
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new RegExp(`<mxCell id="${id}"[^>]*>(<mxGeometry[^>]*/>)`),
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)?.[1]
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it("prepareNewDiagram expands them and still adds the defaults", () => {
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const prepared = prepareNewDiagram(`${shape}\n${edge}`)
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expect(prepared.ok).toBe(true)
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if (!prepared.ok) return
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expect(prepared.xml).toContain(
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'style="rounded=1;whiteSpace=wrap;html=1;" vertex="1" parent="1"',
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)
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expect(geometryOf(prepared.xml, "2")).toBe(
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'<mxGeometry x="40" y="40" width="120" height="60" as="geometry"/>',
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)
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expect(prepared.xml).toContain(
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'<mxCell id="5" style="down;html=1;" edge="1" parent="1" source="2" target="3"><mxGeometry relative="1" as="geometry"/></mxCell>',
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)
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})
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it("editDiagram accepts a compact cell in new_xml", () => {
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const file =
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normalizeToMxfile(wrapCellsInModel(shapeLong), {
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pageId: "p1",
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pageName: "Page-1",
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}) ?? ""
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const outcome = editDiagram(
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file,
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[
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{
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operation: "add",
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cell_id: "3",
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new_xml:
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'<mxCell id="3" value="Next" style="rounded=1;" x="200" y="40" w="120" h="60"/>',
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},
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{
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operation: "update",
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cell_id: "2",
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new_xml:
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'<mxCell id="2" value="Begin" style="rounded=1;" x="40" y="40" w="120" h="60"/>',
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},
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],
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{},
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)
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expect(outcome.ok).toBe(true)
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if (!outcome.ok) return
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expect(outcome.xml).toContain('value="Next"')
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expect(outcome.xml).toContain('value="Begin"')
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expect(geometryOf(outcome.xml, "3")).toBe(
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'<mxGeometry x="200" y="40" width="120" height="60" as="geometry"/>',
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)
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})
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})
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describe("a compact cell with a slip", () => {
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it("repairs a missing closing quote before the slash", () => {
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const prepared = prepareNewDiagram(
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'<mxCell id="12" value="Coin Flip" style="rounded=1;" x="535" y="276" w="225" h="112/>',
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)
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expect(prepared.ok).toBe(true)
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if (!prepared.ok) return
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expect(prepared.xml).toContain(
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'<mxGeometry x="535" y="276" width="225" height="112" as="geometry"/>',
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)
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})
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})
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describe("review round: cells the model may write", () => {
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it("escapes a double quote from a single-quoted value", () => {
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const out = expandCompactCells(
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`<mxCell id='2' value='Say "hi"' x='1' y='2' w='3' h='4'/>`,
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)
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expect(out).toContain('value="Say "hi""')
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const prepared = prepareNewDiagram(
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`<mxCell id='2' value='a" visible="0' x="1" y="2" w="3" h="4"/>`,
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)
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expect(prepared.ok).toBe(true)
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if (!prepared.ok) return
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expect(prepared.xml).toContain('value="a" visible="0"')
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expect(prepared.xml).not.toContain(' visible="0"')
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const folded = foldCells(
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`<mxCell id="2" value='Say "hi"' vertex="1" parent="1"><mxGeometry x="1" y="2" width="3" height="4" as="geometry"/></mxCell>`,
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)
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expect(folded).toBe(
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'<mxCell id="2" value="Say "hi"" x="1" y="2" w="3" h="4"/>',
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)
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})
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it("accepts labels with > in compact self-closing cells", () => {
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const prepared = prepareNewDiagram(
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`<mxCell id="2" value="x > 5" style="rounded=1;" x="40" y="40" w="120" h="60"/>
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<mxCell id="3" value="A -> B" style="rounded=1;" x="40" y="200" w="120" h="60"/>
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<mxCell id="5" source="2" target="3"/>`,
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)
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expect(prepared.ok).toBe(true)
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expect(
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isMxCellXmlComplete(
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'<mxCell id="2" value="A > B" x="0" y="0" w="120" h="60"/>',
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),
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).toBe(true)
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expect(
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extractCompleteMxCells(
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'<mxCell id="2" value="A > B" x="0" y="0" w="120" h="60"/>\n<mxCell id="3" value="C" x="0" y="0" w="1',
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),
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).toBe('<mxCell id="2" value="A > B" x="0" y="0" w="120" h="60"/>')
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})
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it("infers a vertex for an edge label with a geometry and an edge for a connection with a size", () => {
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const label =
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'<mxCell id="9" value="yes" style="edgeLabel;" parent="5" connectable="0"><mxGeometry x="-0.5" relative="1" as="geometry"/></mxCell>'
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expect(expandCompactCells(label)).toBe(
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'<mxCell id="9" value="yes" style="edgeLabel;" connectable="0" vertex="1" parent="5"><mxGeometry x="-0.5" relative="1" as="geometry"/></mxCell>',
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)
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expect(
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expandCompactCells(
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'<mxCell id="e" source="2" target="3" x="0" y="0"/>',
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),
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).toBe(
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'<mxCell id="e" edge="1" parent="1" source="2" target="3"><mxGeometry relative="1" as="geometry"/></mxCell>',
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)
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// A dangling edge has only one end
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expect(
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expandCompactCells('<mxCell id="e" style="a;" source="2"/>'),
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).toBe(
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'<mxCell id="e" style="a;" edge="1" parent="1" source="2"><mxGeometry relative="1" as="geometry"/></mxCell>',
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)
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})
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it("does not take a geometry inside custom data for the cell's own", () => {
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const out = expandCompactCells(
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'<mxCell id="2" x="10" y="20" w="120" h="60"><Object as="payload"><mxGeometry as="backup"/></Object></mxCell>',
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)
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expect(out).toBe(
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'<mxCell id="2" vertex="1" parent="1"><mxGeometry x="10" y="20" width="120" height="60" as="geometry"/><Object as="payload"><mxGeometry as="backup"/></Object></mxCell>',
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)
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})
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it("keeps stray size attributes when the cell has its own geometry", () => {
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const xml =
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'<mxCell id="2" x="99" vertex="1" parent="1"><mxGeometry x="1" y="2" width="3" height="4" as="geometry"/></mxCell>'
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expect(expandCompactCells(xml)).toBe(xml)
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expect(foldCells(xml)).toBe(xml)
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})
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it("ignores prototype names and folds only cells that name their parent", () => {
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expect(expandCompactCells('<mxCell id="2" toString="x"/>')).toBe(
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'<mxCell id="2" toString="x"/>',
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)
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const noParent =
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'<mxCell id="2" vertex="1"><mxGeometry x="1" y="2" width="3" height="4" as="geometry"/></mxCell>'
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expect(foldCells(noParent)).toBe(noParent)
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})
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it("puts a compact cell on the page's first layer when editing", () => {
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const file = `<mxfile><diagram id="p1" name="Page-1"><mxGraphModel><root><mxCell id="0"/><mxCell id="L1" parent="0"/>${shapeLong.replace('parent="1"', 'parent="L1"')}</root></mxGraphModel></diagram></mxfile>`
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const outcome = editDiagram(
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file,
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[
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{
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operation: "add",
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cell_id: "3",
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new_xml:
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'<mxCell id="3" value="B" x="1" y="2" w="3" h="4"/>',
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},
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],
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{},
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)
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expect(outcome.ok).toBe(true)
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if (!outcome.ok) return
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expect(outcome.xml).toContain(
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'<mxCell id="3" value="B" vertex="1" parent="L1"',
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)
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// Folding keeps a parent other than the default layer "1"
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expect(foldCells(file)).toContain(
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'<mxCell id="2" value="Start" style="rounded=1;" parent="L1" x="40" y="40" w="120" h="60"/>',
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)
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})
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it("refuses a compact shape with a root cell id instead of dropping it", () => {
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const prepared = prepareNewDiagram(
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'<mxCell id="1" value="A" x="0" y="0" w="10" h="10"/>',
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)
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expect(prepared.ok).toBe(false)
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if (!prepared.ok) expect(prepared.error).toContain("root cells")
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})
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it("repairs the quote slip only on a cell's last numeric attribute", () => {
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expect(
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isMxCellXmlComplete('<mxCell id="2" x="1" y="2" w="3" h="4/>'),
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).toBe(true)
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const prepared = prepareNewDiagram(
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'<mxCell id="2" value="5/>" x="1" y="2" w="3" h="4"/>',
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)
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expect(prepared.ok).toBe(true)
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if (!prepared.ok) return
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expect(prepared.xml).toContain('value="5/>"')
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expect(prepared.xml).toContain(
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'<mxGeometry x="1" y="2" width="3" height="4" as="geometry"/>',
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)
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})
|
|
|
|
it("closes a compact cell written without the slash", () => {
|
|
const prepared = prepareNewDiagram(
|
|
'<mxCell id="2" value="A" x="1" y="2" w="3" h="4">\n<mxCell id="3" value="B" x="1" y="2" w="3" h="4"/>',
|
|
)
|
|
expect(prepared.ok).toBe(true)
|
|
if (!prepared.ok) return
|
|
expect(prepared.xml).toContain('value="A"')
|
|
expect(prepared.xml).toContain('value="B"')
|
|
expect(prepared.fixes.join()).toContain("without the slash")
|
|
})
|
|
})
|
|
|
|
describe("a long-form cell missing its closing tag next to compact cells", () => {
|
|
it("is closed before the compact cell that follows", () => {
|
|
const prepared = prepareNewDiagram(
|
|
`<mxCell id="2" value="A" x="0" y="0" w="80" h="40"/>
|
|
<mxCell id="4" edge="1" parent="1" source="2" target="5">
|
|
<mxGeometry relative="1" as="geometry"><Array as="points"><mxPoint x="300" y="150"/></Array></mxGeometry>
|
|
<mxCell id="5" value="C" x="400" y="0" w="80" h="40"/>`,
|
|
)
|
|
expect(prepared.ok).toBe(true)
|
|
if (!prepared.ok) return
|
|
expect(prepared.xml).toContain('<mxPoint x="300" y="150"/>')
|
|
expect(prepared.xml).toContain('value="C"')
|
|
expect((prepared.xml.match(/<mxCell\b/g) || []).length).toBe(5)
|
|
})
|
|
|
|
it("still flattens a compact cell nested inside an open cell", () => {
|
|
const prepared = prepareNewDiagram(
|
|
`<mxCell id="2" value="A" vertex="1" parent="1">
|
|
<mxGeometry x="0" y="0" width="80" height="40" as="geometry"/>
|
|
<mxCell id="3" value="B" x="100" y="0" w="80" h="40"/>
|
|
</mxCell>`,
|
|
)
|
|
expect(prepared.ok).toBe(true)
|
|
if (!prepared.ok) return
|
|
expect(prepared.xml).toContain('value="A"')
|
|
expect(prepared.xml).toContain('value="B"')
|
|
expect((prepared.xml.match(/<mxCell\b/g) || []).length).toBe(4)
|
|
})
|
|
})
|