Initial open-source release

Claude-Session: https://claude.ai/code/session_01B65qLEKnkeYTGdbwhLpjCu

src/features/github/github.test.ts

@@ -0,0 +1,91 @@
+import { describe, expect, it } from "vitest";
+import type { PrCheck, PrReviewComment, PullRequestDetails } from "@/platform/ipc";
+import { checksSummary, checksText, diffNotes, fileDiffData, relativeTime, reviewThreads, stateLabel } from "./model";
+
+const comment = (id: number, path: string, line: number | null, inReplyTo: number | null = null, side = "RIGHT"): PrReviewComment => ({
+  id,
+  inReplyTo,
+  path,
+  line,
+  originalLine: line ?? 3,
+  side,
+  body: `c${id}`,
+  author: "ann",
+  createdAt: "2026-10-21T10:00:00Z",
+  url: "",
+  diffHunk: "",
+});
+
+const summary = {
+  number: 7,
+  title: "Fix",
+  author: "ann",
+  state: "open" as const,
+  isDraft: false,
+  headRef: "fix",
+  baseRef: "main",
+  createdAt: "",
+  updatedAt: "",
+  labels: [],
+  reviewDecision: null,
+  url: "https://github.com/o/r/pull/7",
+  additions: 1,
+  deletions: 1,
+};
+
+describe("pull request model", () => {
+  it("labels states", () => {
+    expect(stateLabel(summary)).toBe("Open");
+    expect(stateLabel({ ...summary, isDraft: true })).toBe("Draft");
+    expect(stateLabel({ ...summary, state: "merged" })).toBe("Merged");
+  });
+
+  it("summarises checks", () => {
+    const c = (status: PrCheck["status"]): PrCheck => ({ name: status, workflow: null, status, url: null });
+    const s = checksSummary([c("failure"), c("success"), c("success"), c("pending"), c("skipped")]);
+    expect(s).toEqual({ failed: 1, pending: 1, passed: 2, other: 1 });
+    expect(checksText(s)).toBe("1 failing, 1 pending, 2 successful, 1 skipped");
+    expect(checksText(checksSummary([]))).toBe("No checks");
+  });
+
+  it("formats relative times", () => {
+    const now = Date.parse("2026-10-21T12:00:00Z");
+    expect(relativeTime("2026-10-21T11:59:30Z", now)).toBe("just now");
+    expect(relativeTime("2026-10-21T10:00:00Z", now)).toBe("2 hours ago");
+    expect(relativeTime("2026-10-20T12:00:00Z", now)).toBe("1 day ago");
+    expect(relativeTime("nonsense", now)).toBe("");
+  });
+
+  it("threads replies under their root, ordered by file and line", () => {
+    const threads = reviewThreads([comment(1, "b.ts", 9), comment(2, "a.ts", 5), comment(3, "b.ts", 9, 1), comment(4, "b.ts", 9, 3)]);
+    expect(threads.map((t) => [t.root.id, t.replies.map((r) => r.id)])).toEqual([
+      [2, []],
+      [1, [3, 4]],
+    ]);
+  });
+
+  it("turns current comments into diff notes", () => {
+    const notes = diffNotes("a.ts", [comment(1, "a.ts", 5), comment(2, "a.ts", null), comment(3, "a.ts", 2, null, "LEFT"), comment(4, "b.ts", 1)]);
+    expect(notes.map((n) => [n.side, n.line])).toEqual([
+      ["right", 4],
+      ["left", 1],
+    ]);
+  });
+
+  it("builds diff data for renamed and added files", () => {
+    const pr = { summary, files: [] } as unknown as PullRequestDetails;
+    const revs = {
+      base: "b".repeat(40),
+      head: "h".repeat(40),
+      root: "/repo",
+      files: [{ path: "src/new.ts", kind: "renamed" as const, oldPath: "src/old.ts" }],
+    };
+    const renamed = fileDiffData(pr, { path: "src/new.ts", additions: 1, deletions: 0, changeType: "RENAMED" }, revs, []);
+    expect(renamed.path).toBe("/repo/src/new.ts");
+    expect(renamed.left).toMatchObject({ type: "rev", rev: revs.base, path: "/repo/src/old.ts" });
+    expect(renamed.right).toMatchObject({ type: "rev", rev: revs.head });
+    expect(renamed.title).toBe("#7: new.ts");
+    const added = fileDiffData(pr, { path: "x.md", additions: 1, deletions: 0, changeType: "ADDED" }, revs, []);
+    expect(added.left).toMatchObject({ type: "text", text: "" });
+  });
+});