Ben Stull
52 lines
2.3 KiB
TypeScript
52 lines
2.3 KiB
TypeScript
import { describe, it, expect } from "vitest";
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import { minimizeReplace, PendingEditRegistry } from "../src/pendingEdits";
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import type { Provenance } from "../src/model";
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const AGENT: Provenance = {
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kind: "agent", id: "claude",
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agent: { sdk: "@cline/sdk", model: "sonnet", sessionId: "run-1" },
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};
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describe("PendingEditRegistry (INV-9)", () => {
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it("matches and consumes an exact registration", () => {
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const reg = new PendingEditRegistry();
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reg.register({ docPath: "d.md", start: 3, end: 7, newText: "new", provenance: AGENT, turnId: "t1" });
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const hit = reg.match("d.md", { start: 3, end: 7, text: "new" });
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expect(hit?.turnId).toBe("t1");
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expect(reg.match("d.md", { start: 3, end: 7, text: "new" })).toBeNull();
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});
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it("does not match a different doc, range, or text (human typing stays human)", () => {
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const reg = new PendingEditRegistry();
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reg.register({ docPath: "d.md", start: 3, end: 7, newText: "new", provenance: AGENT });
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expect(reg.match("other.md", { start: 3, end: 7, text: "new" })).toBeNull();
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expect(reg.match("d.md", { start: 3, end: 8, text: "new" })).toBeNull();
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expect(reg.match("d.md", { start: 3, end: 7, text: "neww" })).toBeNull();
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});
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it("unregister removes a failed application", () => {
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const reg = new PendingEditRegistry();
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const p = { docPath: "d.md", start: 0, end: 0, newText: "x", provenance: AGENT };
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reg.register(p);
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reg.unregister(p);
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expect(reg.match("d.md", { start: 0, end: 0, text: "x" })).toBeNull();
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});
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});
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describe("minimizeReplace (host diff-minimization mirror)", () => {
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it("trims a common suffix (the E2E-observed case)", () => {
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expect(minimizeReplace("target sentence", "REWRITTEN-BY-CLAUDE sentence")).toEqual({ prefix: 0, suffix: 9 });
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});
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it("trims a common prefix", () => {
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expect(minimizeReplace("Hello world", "Hello there")).toEqual({ prefix: 6, suffix: 0 });
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});
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it("trims both, never overlapping", () => {
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expect(minimizeReplace("aba", "aa")).toEqual({ prefix: 1, suffix: 1 });
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expect(minimizeReplace("aaaa", "aa")).toEqual({ prefix: 2, suffix: 0 });
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});
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it("identical texts minimize to nothing", () => {
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expect(minimizeReplace("same", "same")).toEqual({ prefix: 4, suffix: 0 });
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});
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it("disjoint texts trim nothing", () => {
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expect(minimizeReplace("abc", "xyz")).toEqual({ prefix: 0, suffix: 0 });
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});
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});
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