mirror of
https://github.com/DayuanJiang/next-ai-draw-io.git
synced 2026-10-10 19:49:52 +08:00
feat(ui): canvas-first redesign with a self-hosted draw.io
The canvas now fills the window and the chat floats on its right. draw.io is served from our own origin (public/drawio, downloaded at build time and checked against the release's SHA-256), so the app can drive the editor directly: - every AI change becomes a version card with a thumbnail; compare, restore or undo it, and Ctrl+Z on the canvas takes an AI change back in one step - shapes the AI just changed are highlighted on the canvas - selected shapes appear as a chip and are sent to the model - the app's own canvas toolbar, shape library and page tabs replace draw.io's chrome - new start screen, session rename and switcher, open .drawio files - settings split into Models & keys, Appearance, Advanced and About - phones switch between canvas and chat - dark mode keeps the diagram on a white sheet and no longer flashes With an external draw.io (NEXT_PUBLIC_DRAWIO_BASE_URL) the app falls back to draw.io's own toolbar and the features above that need same origin are off. The chat logic moved from the 1500-line chat panel into a chat engine plus small UI components; zustand holds canvas, versions, settings and UI state.
This commit is contained in:
dayuan.jiang
@@ -0,0 +1,144 @@
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import pako from "pako"
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import { describe, expect, it } from "vitest"
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import {
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countCells,
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diffDiagrams,
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inflatePages,
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isEmptySummary,
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isSameDocument,
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} from "@/lib/diagram-diff"
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const doc = (cells: string) =>
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`<mxfile><diagram name="Page-1" id="p1"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${cells}</root></mxGraphModel></diagram></mxfile>`
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const box = (id: string, value = id) =>
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`<mxCell id="${id}" value="${value}" vertex="1" parent="1"><mxGeometry x="0" y="0" width="80" height="40" as="geometry"/></mxCell>`
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const edge = (id: string, source: string, target: string) =>
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`<mxCell id="${id}" edge="1" parent="1" source="${source}" target="${target}"><mxGeometry relative="1" as="geometry"/></mxCell>`
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describe("diffDiagrams", () => {
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it("counts added shapes and connectors on an empty canvas", () => {
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const { summary, touchedIds } = diffDiagrams(
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"",
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doc(box("a") + box("b") + edge("e", "a", "b")),
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)
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expect(summary.shapesAdded).toBe(2)
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expect(summary.edgesAdded).toBe(1)
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expect(touchedIds.sort()).toEqual(["a", "b", "e"])
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})
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it("separates added, changed and removed cells", () => {
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const before = doc(box("a") + box("b") + edge("e", "a", "b"))
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const after = doc(box("a", "renamed") + box("c") + edge("e", "a", "c"))
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const { summary, touchedIds } = diffDiagrams(before, after)
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expect(summary).toEqual({
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shapesAdded: 1,
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shapesRemoved: 1,
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shapesChanged: 1,
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edgesAdded: 0,
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edgesRemoved: 0,
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edgesChanged: 1,
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})
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expect(touchedIds.sort()).toEqual(["a", "c", "e"])
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})
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it("ignores how the same cell is written", () => {
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// As the model writes it, and as draw.io saves it
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const model = `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="a" value="A" style="rounded=1;html=1;" vertex="1" parent="1"><mxGeometry x="10" y="20" width="80" height="40" as="geometry"/></mxCell></root></mxGraphModel>`
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const saved = `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="a" parent="1" style="html=1;rounded=1" value="A" vertex="1"><mxGeometry as="geometry" height="40" width="80" x="10" y="20"/></mxCell></root></mxGraphModel>`
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expect(isEmptySummary(diffDiagrams(model, saved).summary)).toBe(true)
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})
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it("reports nothing for identical diagrams", () => {
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const xml = doc(box("a"))
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const { summary, touchedIds } = diffDiagrams(xml, xml)
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expect(isEmptySummary(summary)).toBe(true)
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expect(touchedIds).toEqual([])
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})
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it("reads the id from <UserObject> wrappers", () => {
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const wrapped = `<UserObject label="Linked" link="https://example.com" id="u1"><mxCell vertex="1" parent="1"><mxGeometry width="80" height="40" as="geometry"/></mxCell></UserObject>`
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const { summary, touchedIds } = diffDiagrams(doc(""), doc(wrapped))
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expect(summary.shapesAdded).toBe(1)
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expect(touchedIds).toEqual(["u1"])
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})
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it("only looks at the first page", () => {
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const twoPages = `<mxfile><diagram id="p1"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${box("a")}</root></mxGraphModel></diagram><diagram id="p2"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${box("z")}</root></mxGraphModel></diagram></mxfile>`
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expect(countCells(twoPages)).toEqual({ shapes: 1, edges: 0 })
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})
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it("reads compressed pages", () => {
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const model = `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${box("a")}${box("b")}</root></mxGraphModel>`
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const compressed = btoa(
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String.fromCharCode(...pako.deflateRaw(encodeURIComponent(model))),
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)
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const xml = `<mxfile><diagram id="p1">${compressed}</diagram></mxfile>`
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expect(countCells(xml)).toEqual({ shapes: 2, edges: 0 })
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})
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it("treats unparsable XML as empty", () => {
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expect(countCells("<mxfile><diagram>")).toEqual({ shapes: 0, edges: 0 })
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})
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})
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const pageOf = (name: string, cells: string, attrs = "") =>
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`<diagram name="${name}" id="${name}"><mxGraphModel${attrs}><root><mxCell id="0"/><mxCell id="1" parent="0"/>${cells}</root></mxGraphModel></diagram>`
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const file = (...pages: string[]) => `<mxfile>${pages.join("")}</mxfile>`
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const packedPage = (name: string, cells: string) => {
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const model = `<mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${cells}</root></mxGraphModel>`
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const packed = Buffer.from(
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pako.deflateRaw(encodeURIComponent(model)),
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).toString("base64")
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return `<diagram name="${name}" id="${name}">${packed}</diagram>`
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}
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describe("isSameDocument", () => {
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const a = file(pageOf("One", box("a")), pageOf("Two", box("b")))
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it("is true for the same pages written differently", () => {
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const b = file(
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pageOf("One", box("a"), ' dx="300" dy="120" grid="1"'),
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packedPage("Two", box("b")),
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)
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expect(isSameDocument(a, b)).toBe(true)
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})
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it("sees a change on the second page", () => {
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const b = file(pageOf("One", box("a")), pageOf("Two", box("b", "x")))
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expect(diffDiagrams(a, b).summary).toEqual(diffDiagrams(a, a).summary)
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expect(isSameDocument(a, b)).toBe(false)
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})
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it("sees added pages, renamed pages and changed page settings", () => {
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expect(isSameDocument(a, file(pageOf("One", box("a"))))).toBe(false)
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expect(
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isSameDocument(
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a,
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file(pageOf("One", box("a")), pageOf("Renamed", box("b"))),
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),
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).toBe(false)
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expect(
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isSameDocument(
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file(pageOf("One", box("a"), ' background="#ffffff"')),
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file(pageOf("One", box("a"), ' background="#000000"')),
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),
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).toBe(false)
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})
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})
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describe("inflatePages", () => {
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it("inflates compressed pages in place", () => {
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const xml = file(pageOf("One", box("a")), packedPage("Two", box("b")))
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const inflated = inflatePages(xml)
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expect(inflated).toContain('<mxCell id="b"')
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expect(inflated.match(/<mxGraphModel/g)).toHaveLength(2)
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expect(isSameDocument(xml, inflated)).toBe(true)
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})
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it("leaves plain documents as they are", () => {
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const xml = file(pageOf("One", box("a")))
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expect(inflatePages(xml)).toBe(xml)
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expect(inflatePages("not xml <")).toBe("not xml <")
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})
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})
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@@ -0,0 +1,173 @@
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import { beforeEach, describe, expect, it } from "vitest"
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import { formatSelectionContext } from "@/lib/chat-helpers"
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import { EMPTY_SUMMARY } from "@/lib/diagram-diff"
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import { withPageDefaults } from "@/lib/drawio/drawio-config"
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import { describeChanges } from "@/lib/version-text"
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import {
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MAX_VERSIONS,
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useVersionsStore,
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versionsFromLegacyHistory,
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} from "@/stores/versions-store"
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describe("withPageDefaults", () => {
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it("adds page and grid when the model has none", () => {
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expect(withPageDefaults("<mxGraphModel><root/></mxGraphModel>")).toBe(
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'<mxGraphModel page="1" grid="1" gridSize="10"><root/></mxGraphModel>',
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)
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})
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it("keeps values the diagram already sets", () => {
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const xml = '<mxGraphModel dx="10" page="0" grid="0" gridSize="5">'
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expect(withPageDefaults(xml)).toBe(xml)
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})
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it("reads attributes written with spaces around =", () => {
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const xml = '<mxGraphModel page = "0" grid ="0" gridSize= "5">'
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expect(withPageDefaults(xml)).toBe(xml)
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})
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it("handles self-closing models and several pages", () => {
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const xml =
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'<mxfile><diagram><mxGraphModel/></diagram><diagram><mxGraphModel page="0"></mxGraphModel></diagram></mxfile>'
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expect(withPageDefaults(xml)).toBe(
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'<mxfile><diagram><mxGraphModel page="1" grid="1" gridSize="10"/></diagram><diagram><mxGraphModel page="0" grid="1" gridSize="10"></mxGraphModel></diagram></mxfile>',
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)
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})
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})
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describe("describeChanges", () => {
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const en = {
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shapesAddedOne: "added 1 shape",
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shapesAddedOther: "added {count} shapes",
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edgesChangedOne: "changed 1 connector",
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edgesChangedOther: "changed {count} connectors",
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noChanges: "No visible changes",
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listSeparator: ", ",
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}
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it("uses singular and plural forms and sentence case", () => {
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expect(
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describeChanges(
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{ ...EMPTY_SUMMARY, shapesAdded: 2, edgesChanged: 1 },
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en,
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),
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).toBe("Added 2 shapes, changed 1 connector")
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})
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it("says so when nothing changed", () => {
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expect(describeChanges({ ...EMPTY_SUMMARY }, en)).toBe(
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"No visible changes",
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)
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})
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it("uses the language's list separator", () => {
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const zh = {
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shapesAddedOther: "新增 {count} 个图形",
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edgesChangedOne: "改了 1 条连线",
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listSeparator: "，",
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}
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expect(
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describeChanges(
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{ ...EMPTY_SUMMARY, shapesAdded: 3, edgesChanged: 1 },
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zh,
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),
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).toBe("新增 3 个图形，改了 1 条连线")
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})
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})
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describe("formatSelectionContext", () => {
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it("lists selected ids with their labels", () => {
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const text = formatSelectionContext([
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{ id: "4", label: "EC2" },
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{ id: "cf", label: "" },
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])
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expect(text).toContain('- id="4" (EC2)')
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expect(text).toContain('- id="cf"')
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expect(text).not.toContain('id="cf" (')
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})
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it("returns nothing for missing or malformed input", () => {
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expect(formatSelectionContext(undefined)).toBe("")
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expect(formatSelectionContext("4")).toBe("")
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expect(formatSelectionContext([{ label: "no id" }])).toBe("")
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})
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it("strips quotes and newlines and limits length and count", () => {
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const many = Array.from({ length: 80 }, (_, i) => ({
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id: `c${i}`,
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label: `line\n"quoted"${"x".repeat(200)}`,
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}))
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const text = formatSelectionContext(many)
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const lines = text.split("\n").filter((l) => l.startsWith("- id="))
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expect(lines).toHaveLength(50)
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expect(text).not.toContain('"quoted"')
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expect(lines[0].length).toBeLessThan(130)
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})
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})
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describe("versions store", () => {
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beforeEach(() => useVersionsStore.getState().clear())
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const add = (n: number) =>
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useVersionsStore.getState().addVersion({
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xml: `<x n="${n}"/>`,
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beforeXml: `<before n="${n}"/>`,
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turnIndex: n,
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summary: { ...EMPTY_SUMMARY },
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})
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it("keeps the before-XML only on the newest version", () => {
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add(0)
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add(2)
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const [first, second] = useVersionsStore.getState().versions
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expect(first.beforeXml).toBeUndefined()
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expect(second.beforeXml).toBe('<before n="2"/>')
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})
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it("keeps at most MAX_VERSIONS versions", () => {
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for (let i = 0; i < MAX_VERSIONS + 5; i++) add(i)
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const { versions } = useVersionsStore.getState()
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expect(versions).toHaveLength(MAX_VERSIONS)
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expect(versions[0].turnIndex).toBe(5)
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})
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it("drops versions from a turn that is re-run", () => {
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add(0)
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add(2)
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add(4)
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useVersionsStore.getState().removeFromTurn(2)
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expect(
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useVersionsStore.getState().versions.map((v) => v.turnIndex),
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).toEqual([0])
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})
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it("marks no version as on the canvas after a turn is re-run", () => {
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add(0)
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add(2)
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useVersionsStore.getState().removeFromTurn(2)
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expect(useVersionsStore.getState().onCanvasVersionId).toBeNull()
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})
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it("hand edits clear both version flags", () => {
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const id = add(0)
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expect(useVersionsStore.getState().onCanvasVersionId).toBe(id)
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useVersionsStore.getState().clearCanvasFlags()
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let state = useVersionsStore.getState()
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expect(state.onCanvasVersionId).toBeNull()
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expect(state.versions[0].onCanvas).toBeUndefined()
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useVersionsStore.getState().setUndone(id)
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useVersionsStore.getState().clearCanvasFlags()
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state = useVersionsStore.getState()
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expect(state.undoneVersionId).toBeNull()
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expect(state.versions[0].undone).toBeUndefined()
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})
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it("converts the old history list", () => {
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const versions = versionsFromLegacyHistory([
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{ svg: "data:image/svg+xml;base64,AA", xml: "<a/>" },
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])
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expect(versions).toHaveLength(1)
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expect(versions[0]).toMatchObject({ xml: "<a/>", turnIndex: -1 })
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expect(versionsFromLegacyHistory(undefined)).toEqual([])
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})
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})
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@@ -0,0 +1,31 @@
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import { describe, expect, it } from "vitest"
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import { shortModelName } from "@/components/model-selector"
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describe("shortModelName", () => {
|
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it("drops the provider or region prefix the logo already shows", () => {
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expect(shortModelName("nvidia/nemotron-3-ultra-550b-a55b:free")).toBe(
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"nemotron-3-ultra-550b-a55b:free",
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)
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expect(shortModelName("global.anthropic.claude-opus-5-5")).toBe(
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"claude-opus-5-5",
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)
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expect(shortModelName("us.amazon.nova-2-lite-v1:0")).toBe(
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"nova-2-lite-v1:0",
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)
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expect(shortModelName("openai.gpt-6-luna")).toBe("gpt-6-luna")
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expect(shortModelName("@tx/deepseek-ai/deepseek-v32")).toBe(
|
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"deepseek-v32",
|
||||
)
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})
|
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|
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it("keeps version numbers with dots", () => {
|
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for (const id of [
|
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"gpt-5.5",
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"glm-4.7",
|
||||
"gemini-2.5-flash",
|
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"kimi-k2.6",
|
||||
]) {
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expect(shortModelName(id)).toBe(id)
|
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}
|
||||
})
|
||||
})
|
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@@ -1,15 +1,10 @@
|
||||
import { cleanup, render } from "@testing-library/react"
|
||||
import { afterEach, describe, expect, it } from "vitest"
|
||||
import { ToolCallCard } from "@/components/chat/ToolCallCard"
|
||||
import { ToolInputDetails } from "@/components/chat/tool-activity"
|
||||
|
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afterEach(cleanup)
|
||||
|
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const dict = {
|
||||
tools: { complete: "Complete" },
|
||||
chat: { copied: "Copied", failedToCopy: "Failed", copyResponse: "Copy" },
|
||||
}
|
||||
|
||||
describe("ToolCallCard", () => {
|
||||
describe("ToolInputDetails", () => {
|
||||
it("shows streamed operations without crashing on broken entries", () => {
|
||||
// A partly streamed or invalid edit_diagram input
|
||||
const operations = [
|
||||
@@ -22,7 +17,7 @@ describe("ToolCallCard", () => {
|
||||
{ operation: "update", cell_id: "3", new_xml: '<mxCell id="3"/>' },
|
||||
]
|
||||
const { container } = render(
|
||||
<ToolCallCard
|
||||
<ToolInputDetails
|
||||
part={
|
||||
{
|
||||
type: "tool-edit_diagram",
|
||||
@@ -31,15 +26,25 @@ describe("ToolCallCard", () => {
|
||||
input: { operations },
|
||||
} as any
|
||||
}
|
||||
expandedTools={{ t1: true }}
|
||||
setExpandedTools={() => {}}
|
||||
onCopy={() => {}}
|
||||
copiedToolCallId={null}
|
||||
copyFailedToolCallId={null}
|
||||
dict={dict}
|
||||
/>,
|
||||
)
|
||||
expect(container.textContent).toContain("cell_id: 3")
|
||||
expect(container.textContent).toContain("update3")
|
||||
expect(container.textContent).toContain('<mxCell id="3"/>')
|
||||
})
|
||||
|
||||
it("ignores an xml input that is not text", () => {
|
||||
const { container } = render(
|
||||
<ToolInputDetails
|
||||
part={
|
||||
{
|
||||
type: "tool-display_diagram",
|
||||
toolCallId: "t2",
|
||||
state: "input-streaming",
|
||||
input: { xml: { broken: true } },
|
||||
} as any
|
||||
}
|
||||
/>,
|
||||
)
|
||||
expect(container.textContent).toContain("broken")
|
||||
})
|
||||
})
|
||||
+9
-16
@@ -1,6 +1,5 @@
|
||||
import { render } from "@testing-library/react"
|
||||
import { renderHook } from "@testing-library/react"
|
||||
import { describe, expect, it, vi } from "vitest"
|
||||
import en from "@/lib/i18n/dictionaries/en.json"
|
||||
|
||||
const page = (cells: string) =>
|
||||
`<mxfile><diagram id="p" name="Page-1"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/>${cells}</root></mxGraphModel></diagram></mxfile>`
|
||||
@@ -19,12 +18,8 @@ vi.mock("@/contexts/diagram-context", () => ({
|
||||
loadDiagram: vi.fn(() => null),
|
||||
}),
|
||||
}))
|
||||
vi.mock("@/hooks/use-dictionary", () => ({ useDictionary: () => en }))
|
||||
|
||||
import { ChatMessageDisplay } from "@/components/chat-message-display"
|
||||
|
||||
// jsdom has no layout
|
||||
Element.prototype.scrollIntoView = () => {}
|
||||
import { useDiagramStreaming } from "@/components/chat/use-diagram-streaming"
|
||||
|
||||
describe("the streaming preview of a second edit", () => {
|
||||
it("starts from the first edit's result", () => {
|
||||
@@ -51,15 +46,13 @@ describe("the streaming preview of a second edit", () => {
|
||||
],
|
||||
},
|
||||
] as any
|
||||
render(
|
||||
<ChatMessageDisplay
|
||||
messages={messages}
|
||||
setInput={() => {}}
|
||||
setFiles={() => {}}
|
||||
processedToolCallsRef={{ current: new Set() }}
|
||||
editDiagramOriginalXmlRef={editDiagramOriginalXmlRef}
|
||||
status="streaming"
|
||||
/>,
|
||||
renderHook(() =>
|
||||
useDiagramStreaming({
|
||||
messages,
|
||||
processedToolCallsRef: { current: new Set() },
|
||||
editDiagramOriginalXmlRef,
|
||||
loadedMessageIdsRef: { current: new Set() },
|
||||
}),
|
||||
)
|
||||
expect(editDiagramOriginalXmlRef.current.get("edit-2")).toBe(
|
||||
AFTER_FIRST_EDIT,
|
||||
@@ -26,7 +26,6 @@ function setup(partialXml: string) {
|
||||
...refs,
|
||||
onDisplayChart,
|
||||
onFetchChart: async () => "",
|
||||
onExport: () => {},
|
||||
enableVlmValidation: false,
|
||||
}),
|
||||
)
|
||||
@@ -63,7 +62,6 @@ describe("the screenshot check and Stop", () => {
|
||||
chartXMLRef: { current: "" },
|
||||
onDisplayChart: () => null,
|
||||
onFetchChart: async () => "",
|
||||
onExport: () => {},
|
||||
enableVlmValidation: true,
|
||||
captureValidationPng:
|
||||
opts.captureValidationPng ??
|
||||
@@ -202,3 +200,38 @@ describe("append_diagram and the stored previews", () => {
|
||||
expect(refs.editDiagramOriginalXmlRef.current.size).toBe(1)
|
||||
})
|
||||
})
|
||||
|
||||
describe("display_diagram and undo", () => {
|
||||
it("commits the diagram as one undo step before any check", async () => {
|
||||
const onDisplayChart = vi.fn(
|
||||
(
|
||||
_xml: string,
|
||||
_skipValidation?: boolean,
|
||||
_mode?: string,
|
||||
): string | null => null,
|
||||
)
|
||||
const { result } = renderHook(() =>
|
||||
useDiagramToolHandlers({
|
||||
partialXmlRef: { current: "" },
|
||||
editDiagramOriginalXmlRef: { current: new Map() },
|
||||
processedToolCallsRef: { current: new Set() },
|
||||
validationRetryCountRef: { current: 0 },
|
||||
chartXMLRef: { current: "" },
|
||||
onDisplayChart,
|
||||
onFetchChart: async () => "",
|
||||
enableVlmValidation: false,
|
||||
}),
|
||||
)
|
||||
await result.current.handleToolCall(
|
||||
{
|
||||
toolCall: {
|
||||
toolCallId: "d1",
|
||||
toolName: "display_diagram",
|
||||
input: { xml: box("2") },
|
||||
},
|
||||
},
|
||||
vi.fn(),
|
||||
)
|
||||
expect(onDisplayChart.mock.calls.map((c) => c[2])).toEqual(["commit"])
|
||||
})
|
||||
})
|
||||
|
||||
Reference in New Issue
Block a user