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feat: native diff surface — QuickDiff + cowriting-baseline: provider + Review Changes + status bar (spec §6.4, INV-13)

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
BenStullsBets
2026-07-02 07:18:50 -07:00
parent 447a1170ce
commit cf65528711
7 changed files with 218 additions and 2 deletions
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test/e2e/suite/baselineRouter.test.ts
+4
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@@ -16,10 +16,14 @@ suite("baseline router (PUC-1, INV-7/D13/D14)", () => {
assert.strictEqual(api.diffViewController.modeOf(doc.uri.toString()), "snapshot");
assert.strictEqual(api.diffViewController.getBaseline(doc.uri.toString())?.text, "one\n");
await ed.edit((b) => b.insert(new vscode.Position(1, 0), "two\n"));
// Task 3 (INV-13): the status-bar/SCM change count tracks the live edit.
await settleUntil(() => api.scmSurfaceController.changeCount(doc.uri.toString()) === 1);
await vscode.commands.executeCommand("cowriting.markReviewed");
const b = api.diffViewController.getBaseline(doc.uri.toString());
assert.strictEqual(b?.text, "one\ntwo\n");
assert.strictEqual(b?.reason, "pinned");
// A pin re-baselines to the clean current text, so the change count resets.
await settleUntil(() => api.scmSurfaceController.changeCount(doc.uri.toString()) === 0);
});
test("head mode: baseline = HEAD; commit advances it", async function () {
test/e2e/suite/coediting.test.ts
+15
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@@ -1,5 +1,6 @@
import * as assert from "node:assert";
import * as vscode from "vscode";
import { activateApi, settle } from "./helpers";
async function api() {
const ext = vscode.extensions.getExtension("benstull.vscode-cowriting-plugin")!;
@@ -17,4 +18,18 @@ suite("coediting registry (PUC-7)", () => {
await vscode.commands.executeCommand("cowriting.stopCoediting");
assert.strictEqual(coeditingRegistry.isCoediting(doc.uri), false);
});
// Task 3 (INV-10): a document that was never entered into coediting gets no
// native-diff surface at all. QuickDiff's `provideOriginalResource` isn't
// directly queryable from a host-E2E test, so this asserts the gate INPUTS
// structurally: `isCoediting` stays false and the SCM change count — which
// `ScmSurfaceController` only ever populates for a coediting doc — stays 0.
test("non-entered doc: no coediting, no change count (structural, INV-10)", async () => {
const api = await activateApi();
const doc = await vscode.workspace.openTextDocument({ language: "markdown", content: "untouched\n" });
await vscode.window.showTextDocument(doc);
await settle();
assert.strictEqual(api.coeditingRegistry.isCoediting(doc.uri), false);
assert.strictEqual(api.scmSurfaceController.changeCount(doc.uri.toString()), 0);
});
});