fix(ci): close dev-released issues on stable release (#1396)

tests/unit/github/stable-release-issue-cleanup.test.mjs

@@ -0,0 +1,84 @@
+import { describe, expect, it } from 'bun:test';
+import {
+  buildReleaseIssueSet,
+  extractIssueNumbers,
+  extractPrNumbers,
+  planIssueCleanup,
+} from '../../../scripts/github/stable-release-issue-cleanup-lib.mjs';
+
+describe('stable release issue cleanup', () => {
+  it('extracts issue numbers from release action verbs', () => {
+    const text = [
+      'feat: promote dev to main (#1351), closes #1340 #1341',
+      'fix: support aliases (#1197)',
+      'Refs #760',
+    ].join('\n');
+
+    expect(extractIssueNumbers(text, { includeRefs: true })).toEqual([760, 1340, 1341]);
+    expect(extractIssueNumbers(text, { includeRefs: false })).toEqual([1340, 1341]);
+  });
+
+  it('extracts PR numbers from merge and squash commit subjects', () => {
+    const text = [
+      'Merge pull request #1392 from kaitranntt/kai/fix/foo',
+      'fix(analytics): tighten top-bar layout (#1391)',
+    ].join('\n');
+
+    expect(extractPrNumbers(text)).toEqual([1391, 1392]);
+  });
+
+  it('combines release body, commit text, and PR body issue references', () => {
+    const result = buildReleaseIssueSet({
+      releaseBody: 'closes #100',
+      commitText: 'fix: thing (#10)',
+      prText: 'Refs #200\nResolves #300',
+    });
+
+    expect(result.releaseIssues).toEqual([100, 200, 300]);
+    expect(result.resolvedIssues).toEqual([100, 300]);
+  });
+
+  it('closes dev-released issues when promoted to stable even if the PR used refs', () => {
+    const actions = planIssueCleanup({
+      releaseIssues: [760],
+      resolvedIssues: [],
+      issueStates: new Map([[760, { state: 'OPEN', labels: ['released-dev'] }]]),
+    });
+
+    expect(actions[0]).toMatchObject({
+      number: 760,
+      addReleasedLabel: true,
+      close: true,
+      reason: 'promoted from dev to stable',
+    });
+  });
+
+  it('does not close weak refs unless the issue was already marked released-dev', () => {
+    const actions = planIssueCleanup({
+      releaseIssues: [42],
+      resolvedIssues: [],
+      issueStates: new Map([[42, { state: 'OPEN', labels: ['enhancement'] }]]),
+    });
+
+    expect(actions[0]).toMatchObject({
+      number: 42,
+      addReleasedLabel: false,
+      close: false,
+    });
+  });
+
+  it('closes explicitly resolved issues without requiring a manual released label', () => {
+    const actions = planIssueCleanup({
+      releaseIssues: [1340],
+      resolvedIssues: [1340],
+      issueStates: new Map([[1340, { state: 'OPEN', labels: ['bug'] }]]),
+    });
+
+    expect(actions[0]).toMatchObject({
+      number: 1340,
+      addReleasedLabel: true,
+      close: true,
+      reason: 'resolved by stable release',
+    });
+  });
+});