feat: add auto update support

src/main/runtime/update/release-assets.test.ts

@@ -0,0 +1,70 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  compareSemverLike,
+  findReleaseAsset,
+  parseSha256Sums,
+  selectLatestStableRelease,
+} from './release-assets';
+
+test('parseSha256Sums maps release asset basenames to hashes', () => {
+  const sums = parseSha256Sums(`
+1111111111111111111111111111111111111111111111111111111111111111  SubMiner.AppImage
+2222222222222222222222222222222222222222222222222222222222222222 *subminer
+`);
+
+  assert.equal(
+    sums.get('SubMiner.AppImage'),
+    '1111111111111111111111111111111111111111111111111111111111111111',
+  );
+  assert.equal(
+    sums.get('subminer'),
+    '2222222222222222222222222222222222222222222222222222222222222222',
+  );
+});
+
+test('selectLatestStableRelease ignores drafts and prereleases', () => {
+  const release = selectLatestStableRelease([
+    { tag_name: 'v0.16.0-beta.1', draft: false, prerelease: true, assets: [] },
+    { tag_name: 'v0.15.0', draft: true, prerelease: false, assets: [] },
+    { tag_name: 'v0.14.1', draft: false, prerelease: false, assets: [] },
+  ]);
+
+  assert.equal(release?.tag_name, 'v0.14.1');
+});
+
+test('selectLatestStableRelease can opt into prerelease releases', () => {
+  const release = selectLatestStableRelease(
+    [
+      { tag_name: 'v0.16.0-beta.1', draft: false, prerelease: true, assets: [] },
+      { tag_name: 'v0.15.0', draft: false, prerelease: false, assets: [] },
+    ],
+    'prerelease',
+  );
+
+  assert.equal(release?.tag_name, 'v0.16.0-beta.1');
+});
+
+test('compareSemverLike orders prerelease identifiers within the same base version', () => {
+  assert.equal(compareSemverLike('0.15.0-beta.2', '0.15.0-beta.1') > 0, true);
+  assert.equal(compareSemverLike('0.15.0-rc.1', '0.15.0-beta.2') > 0, true);
+  assert.equal(compareSemverLike('0.15.0', '0.15.0-rc.1') > 0, true);
+});
+
+test('findReleaseAsset finds exact asset names only', () => {
+  const release = {
+    tag_name: 'v0.14.1',
+    draft: false,
+    prerelease: false,
+    assets: [
+      { name: 'subminer', browser_download_url: 'https://example.test/subminer' },
+      { name: 'subminer-assets.tar.gz', browser_download_url: 'https://example.test/assets' },
+    ],
+  };
+
+  assert.equal(
+    findReleaseAsset(release, 'subminer')?.browser_download_url,
+    'https://example.test/subminer',
+  );
+  assert.equal(findReleaseAsset(release, 'latest.yml'), null);
+});