Ben Stull
25 lines
932 B
TypeScript
25 lines
932 B
TypeScript
import { describe, it, expect } from "vitest";
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import { parseSequence } from "../src/mermaidSequenceDiff";
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describe("parseSequence", () => {
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it("captures explicit participants in order", () => {
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const d = parseSequence("sequenceDiagram\n participant A\n participant B\n A->>B: hi");
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expect(d.participants).toEqual(["A", "B"]);
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});
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it("captures message statements verbatim (trimmed)", () => {
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const d = parseSequence("sequenceDiagram\n A->>B: hi\n B-->>A: bye");
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expect(d.statements).toEqual(["A->>B: hi", "B-->>A: bye"]);
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});
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it("infers participants from messages when not declared", () => {
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const d = parseSequence("sequenceDiagram\n A->>B: hi\n B->>C: on");
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expect(d.participants).toEqual(["A", "B", "C"]);
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});
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it("ignores comments and blank lines", () => {
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const d = parseSequence("sequenceDiagram\n%% note\n\n A->>B: hi");
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expect(d.statements).toEqual(["A->>B: hi"]);
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});
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});
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