Files
diagram-tools/tests/core/diagram.test.ts
T
2026-09-01 14:10:51 +02:00

38 lines
1.3 KiB
TypeScript

import { describe, expect, it } from "vitest";
import { parseDiagram, renderSvg } from "../../src/core/diagram";
describe("diagram grammar", () => {
it("parses and escapes flowcharts", () => {
const d = parseDiagram("flowchart LR\nA[<script>] -->|safe| B{Choice}");
expect(d.nodes).toHaveLength(2);
const svg = renderSvg(d);
expect(svg).toContain("&lt;script&gt;");
expect(svg).not.toContain("<script>");
});
it("supports sequence, class and state", () => {
const sequence = parseDiagram(
"sequenceDiagram\nparticipant A as Ada\nparticipant B\nA-->>B: hello",
);
expect(sequence.mode).toBe("sequence");
expect(sequence.nodes.map((node) => node.id)).toEqual(["A", "B"]);
expect(sequence.edges[0]).toMatchObject({
from: "A",
to: "B",
dashed: true,
});
expect(
parseDiagram("classDiagram\nclass A\nA : +field\nA <|-- B").nodes[0]
?.members,
).toEqual(["+field"]);
expect(parseDiagram("stateDiagram-v2\nIdle --> Ready : go").mode).toBe(
"state",
);
});
it("diagnoses directives without executing", () => {
const d = parseDiagram(
"flowchart LR\n%%{init: {}}%%\nclick A https://bad.test\nA-->B",
);
expect(d.diagnostics).toHaveLength(2);
expect(renderSvg(d)).not.toContain("bad.test");
});
});