test: cover PR/MR platform helpers

packages/review-editor/App.tsx

@@ -129,7 +129,18 @@ const ReviewApp: React.FC = () => {
   const [platformUser, setPlatformUser] = useState<string | null>(null);
   const [platformCommentDialog, setPlatformCommentDialog] = useState<{ action: 'approve' | 'comment' } | null>(null);
   const [platformGeneralComment, setPlatformGeneralComment] = useState('');
-  const [platformOpenPR, setPlatformOpenPR] = useState(() => storage.getItem('plannotator-github-open-pr') !== 'false');
+  const [platformOpenPR, setPlatformOpenPR] = useState(() => {
+    const platformSetting = storage.getItem('plannotator-platform-open-pr');
+    if (platformSetting !== null) return platformSetting !== 'false';
+
+    const legacyGitHubSetting = storage.getItem('plannotator-github-open-pr');
+    if (legacyGitHubSetting !== null) {
+      storage.setItem('plannotator-platform-open-pr', legacyGitHubSetting);
+      return legacyGitHubSetting !== 'false';
+    }
+
+    return true;
+  });
 
   // Derived: Platform mode is active when destination is platform AND we have PR/MR metadata
   const platformMode = reviewDestination === 'platform' && !!prMetadata;
@@ -1600,7 +1611,7 @@ const ReviewApp: React.FC = () => {
                   checked={platformOpenPR}
                   onChange={e => {
                     setPlatformOpenPR(e.target.checked);
-                    storage.setItem('plannotator-github-open-pr', String(e.target.checked));
+                    storage.setItem('plannotator-platform-open-pr', String(e.target.checked));
                   }}
                   className="rounded border-border"
                 />

packages/shared/pr-provider.test.ts

@@ -0,0 +1,143 @@
+import { describe, expect, test } from "bun:test";
+import {
+  getCliInstallUrl,
+  getCliName,
+  getDisplayRepo,
+  getMRLabel,
+  getMRNumberLabel,
+  getPlatformLabel,
+  parsePRUrl,
+  prRefFromMetadata,
+  type PRMetadata,
+} from "./pr-provider";
+
+describe("pr-provider platform helpers", () => {
+  test("parses GitHub PR URLs including nested suffixes", () => {
+    const ref = parsePRUrl("https://github.com/backnotprop/plannotator/pull/364/files");
+
+    expect(ref).toEqual({
+      platform: "github",
+      owner: "backnotprop",
+      repo: "plannotator",
+      number: 364,
+    });
+  });
+
+  test("parses GitLab.com MR URLs", () => {
+    const ref = parsePRUrl("https://gitlab.com/group/project/-/merge_requests/42/diffs");
+
+    expect(ref).toEqual({
+      platform: "gitlab",
+      host: "gitlab.com",
+      projectPath: "group/project",
+      iid: 42,
+    });
+  });
+
+  test("parses self-hosted GitLab MR URLs with nested groups", () => {
+    const ref = parsePRUrl("https://gitlab.example.com/group/subgroup/project/-/merge_requests/7");
+
+    expect(ref).toEqual({
+      platform: "gitlab",
+      host: "gitlab.example.com",
+      projectPath: "group/subgroup/project",
+      iid: 7,
+    });
+  });
+
+  test("returns null for unsupported URLs", () => {
+    expect(parsePRUrl("https://example.com/not-a-pr/123")).toBeNull();
+    expect(parsePRUrl("")).toBeNull();
+  });
+
+  test("formats platform-aware labels for GitHub and GitLab", () => {
+    const githubMeta: PRMetadata = {
+      platform: "github",
+      owner: "backnotprop",
+      repo: "plannotator",
+      number: 364,
+      title: "GitHub PR",
+      author: "backnotprop",
+      baseBranch: "main",
+      headBranch: "feature/github",
+      baseSha: "base",
+      headSha: "head",
+      url: "https://github.com/backnotprop/plannotator/pull/364",
+    };
+
+    const gitlabMeta: PRMetadata = {
+      platform: "gitlab",
+      host: "gitlab.example.com",
+      projectPath: "group/project",
+      iid: 42,
+      title: "GitLab MR",
+      author: "alice",
+      baseBranch: "main",
+      headBranch: "feature/gitlab",
+      baseSha: "base",
+      headSha: "head",
+      url: "https://gitlab.example.com/group/project/-/merge_requests/42",
+    };
+
+    expect(getPlatformLabel(githubMeta)).toBe("GitHub");
+    expect(getMRLabel(githubMeta)).toBe("PR");
+    expect(getMRNumberLabel(githubMeta)).toBe("#364");
+    expect(getDisplayRepo(githubMeta)).toBe("backnotprop/plannotator");
+
+    expect(getPlatformLabel(gitlabMeta)).toBe("GitLab");
+    expect(getMRLabel(gitlabMeta)).toBe("MR");
+    expect(getMRNumberLabel(gitlabMeta)).toBe("!42");
+    expect(getDisplayRepo(gitlabMeta)).toBe("group/project");
+  });
+
+  test("reconstructs refs and CLI metadata for each platform", () => {
+    const githubMeta: PRMetadata = {
+      platform: "github",
+      owner: "backnotprop",
+      repo: "plannotator",
+      number: 1,
+      title: "GitHub PR",
+      author: "backnotprop",
+      baseBranch: "main",
+      headBranch: "feature/github",
+      baseSha: "base",
+      headSha: "head",
+      url: "https://github.com/backnotprop/plannotator/pull/1",
+    };
+
+    const gitlabMeta: PRMetadata = {
+      platform: "gitlab",
+      host: "gitlab.example.com",
+      projectPath: "group/project",
+      iid: 2,
+      title: "GitLab MR",
+      author: "alice",
+      baseBranch: "main",
+      headBranch: "feature/gitlab",
+      baseSha: "base",
+      headSha: "head",
+      url: "https://gitlab.example.com/group/project/-/merge_requests/2",
+    };
+
+    const githubRef = prRefFromMetadata(githubMeta);
+    const gitlabRef = prRefFromMetadata(gitlabMeta);
+
+    expect(githubRef).toEqual({
+      platform: "github",
+      owner: "backnotprop",
+      repo: "plannotator",
+      number: 1,
+    });
+    expect(gitlabRef).toEqual({
+      platform: "gitlab",
+      host: "gitlab.example.com",
+      projectPath: "group/project",
+      iid: 2,
+    });
+
+    expect(getCliName(githubRef)).toBe("gh");
+    expect(getCliInstallUrl(githubRef)).toBe("https://cli.github.com");
+    expect(getCliName(gitlabRef)).toBe("glab");
+    expect(getCliInstallUrl(gitlabRef)).toBe("https://gitlab.com/gitlab-org/cli");
+  });
+});