test(cli): add unit tests for dlx, sea, and constants

Add comprehensive test coverage for:
- resolve-binary.mts: Binary resolution for Coana, cdxgen, sfw, socket-patch, synp
- detect.mts: SEA binary detection and self-update capability
- constants.mts: Barrel file exports verification

Author: jdalton

packages/cli/test/unit/constants-barrel.test.mts

@@ -0,0 +1,102 @@
+/**
+ * Unit tests for constants barrel file.
+ *
+ * Purpose:
+ * Tests the constants barrel export file to ensure all exports work correctly.
+ *
+ * Test Coverage:
+ * - Named exports
+ * - Default export
+ *
+ * Related Files:
+ * - src/constants.mts (implementation)
+ */
+
+import { describe, expect, it } from 'vitest'
+
+import constants, {
+  FLAG_DRY_RUN,
+  FLAG_JSON,
+  FLAG_ORG,
+  getCliVersion,
+  LOOP_SENTINEL,
+  NPM,
+  OUTPUT_JSON,
+  OUTPUT_MARKDOWN,
+  OUTPUT_TEXT,
+  PNPM,
+  SOCKET_CLI_BIN_NAME,
+  SOCKET_CLI_PACKAGE_NAME,
+  VITEST,
+  YARN,
+} from '../../src/constants.mts'
+
+describe('constants barrel exports', () => {
+  describe('named exports', () => {
+    it('exports flag constants', () => {
+      // Flags include the -- prefix.
+      expect(FLAG_DRY_RUN).toBe('--dry-run')
+      expect(FLAG_JSON).toBe('--json')
+      expect(FLAG_ORG).toBe('--org')
+    })
+
+    it('exports output format constants', () => {
+      expect(OUTPUT_JSON).toBe('json')
+      expect(OUTPUT_MARKDOWN).toBe('markdown')
+      expect(OUTPUT_TEXT).toBe('text')
+    })
+
+    it('exports agent constants', () => {
+      expect(NPM).toBe('npm')
+      expect(PNPM).toBe('pnpm')
+      expect(YARN).toBe('yarn')
+    })
+
+    it('exports error constants', () => {
+      expect(typeof LOOP_SENTINEL).toBe('number')
+    })
+
+    it('exports package name constants', () => {
+      expect(SOCKET_CLI_BIN_NAME).toBe('socket')
+      // SOCKET_CLI_PACKAGE_NAME is the npm package name 'socket'.
+      expect(SOCKET_CLI_PACKAGE_NAME).toBe('socket')
+    })
+
+    it('exports VITEST constant', () => {
+      expect(VITEST).toBe(true)
+    })
+
+    it('exports getCliVersion function', () => {
+      expect(typeof getCliVersion).toBe('function')
+    })
+  })
+
+  describe('default export', () => {
+    it('exports an object with constants', () => {
+      expect(typeof constants).toBe('object')
+    })
+
+    it('includes flag constants', () => {
+      expect(constants.FLAG_DRY_RUN).toBe('--dry-run')
+      expect(constants.FLAG_JSON).toBe('--json')
+    })
+
+    it('includes output format constants', () => {
+      expect(constants.OUTPUT_JSON).toBe('json')
+      expect(constants.OUTPUT_MARKDOWN).toBe('markdown')
+    })
+
+    it('includes agent constants', () => {
+      expect(constants.NPM).toBe('npm')
+      expect(constants.PNPM).toBe('pnpm')
+    })
+
+    it('includes ENV object', () => {
+      expect(typeof constants.ENV).toBe('object')
+    })
+
+    it('includes getCliVersion function', () => {
+      expect(typeof constants.getCliVersion).toBe('function')
+    })
+  })
+})