1 files changed, 77 insertions, 0 deletions
diff --git a/packages/upgrade/test/verify.test.js b/packages/upgrade/test/verify.test.js
new file mode 100644
index 000000000..203e0fbf0
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+++ b/packages/upgrade/test/verify.test.js
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+import * as assert from 'node:assert/strict';
+import { beforeEach, describe, it } from 'node:test';
+import { collectPackageInfo } from '../dist/index.js';
+
+describe('collectPackageInfo', () => {
+	const context = {
+		cwd: '',
+		version: 'latest',
+		packageManager: 'npm',
+		dryRun: true,
+		packages: [],
+	};
+
+	beforeEach(() => {
+		context.packages = [];
+	});
+
+	it('detects astro', async () => {
+		collectPackageInfo(context, { astro: '1.0.0' }, {});
+		assert.deepEqual(context.packages, [
+			{ name: 'astro', currentVersion: '1.0.0', targetVersion: 'latest' },
+		]);
+	});
+
+	it('detects @astrojs', async () => {
+		collectPackageInfo(context, { '@astrojs/preact': '1.0.0' }, {});
+		assert.deepEqual(context.packages, [
+			{ name: '@astrojs/preact', currentVersion: '1.0.0', targetVersion: 'latest' },
+		]);
+	});
+
+	it('supports ^ prefixes', async () => {
+		collectPackageInfo(context, { astro: '^1.0.0' }, {});
+		assert.deepEqual(context.packages, [
+			{ name: 'astro', currentVersion: '^1.0.0', targetVersion: 'latest' },
+		]);
+	});
+
+	it('supports ~ prefixes', async () => {
+		collectPackageInfo(context, { astro: '~1.0.0' }, {});
+		assert.deepEqual(context.packages, [
+			{ name: 'astro', currentVersion: '~1.0.0', targetVersion: 'latest' },
+		]);
+	});
+
+	it('supports prereleases', async () => {
+		collectPackageInfo(context, { astro: '1.0.0-beta.0' }, {});
+		assert.deepEqual(context.packages, [
+			{ name: 'astro', currentVersion: '1.0.0-beta.0', targetVersion: 'latest' },
+		]);
+	});
+
+	it('ignores self', async () => {
+		collectPackageInfo(context, { '@astrojs/upgrade': '0.0.1' }, {});
+		assert.deepEqual(context.packages, []);
+	});
+
+	it('ignores linked packages', async () => {
+		collectPackageInfo(context, { '@astrojs/preact': 'link:../packages/preact' }, {});
+		assert.deepEqual(context.packages, []);
+	});
+
+	it('ignores workspace packages', async () => {
+		collectPackageInfo(context, { '@astrojs/preact': 'workspace:*' }, {});
+		assert.deepEqual(context.packages, []);
+	});
+
+	it('ignores github packages', async () => {
+		collectPackageInfo(context, { '@astrojs/preact': 'github:withastro/astro' }, {});
+		assert.deepEqual(context.packages, []);
+	});
+
+	it('ignores tag', async () => {
+		collectPackageInfo(context, { '@astrojs/preact': 'beta' }, {});
+		assert.deepEqual(context.packages, []);
+	});
+});