test: change vitest config (#7)

Bootstrap mínimo do harness Vitest para o p2pix-front-end. Adiciona configuração, polyfills de DOM, e cobertura inicial de utils + 1 componente simples — apenas o que roda contra `develop` sem dependências
  externas.

Co-authored-by: Arthur Abeilice <afa7789@gmail.com>
Reviewed-on: https://git.p2pix.co/doiim/p2pix-front-end/pulls/7

package.json

@@ -12,7 +12,10 @@
     "lint:fix": "eslint --fix",
     "format": "prettier --write \"src/**/*.{ts,vue,json}\"",
     "format:check": "prettier --check \"src/**/*.{ts,vue,json}\"",
-    "wagmi:gen": "wagmi generate"
+    "wagmi:gen": "wagmi generate",
+    "test": "vitest run --passWithNoTests",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage"
   },
   "dependencies": {
     "@floating-ui/vue": "^1.1.11",

vitest.config.ts

@@ -0,0 +1,40 @@
+import { fileURLToPath, URL } from 'node:url';
+import { defineConfig, mergeConfig } from 'vitest/config';
+import viteConfig from './vite.config';
+
+export default mergeConfig(
+  viteConfig,
+  defineConfig({
+    test: {
+      environment: 'happy-dom',
+      globals: true,
+      include: ['tests/**/*.{test,spec}.ts'],
+      exclude: [
+        'p2pix-smart-contracts/**',
+        'vendor/**',
+        '**/node_modules/**',
+      ],
+      coverage: {
+        provider: 'v8',
+        reporter: ['text', 'html', 'lcov'],
+        include: ['src/**/*.{ts,vue}'],
+        exclude: [
+          'src/main.ts',
+          'src/router/**',
+          'src/assets/**',
+          'src/generated.ts',
+          'src/subgraph/generated.ts',
+          '**/*.d.ts',
+          '**/__mocks__/**',
+          'p2pix-smart-contracts/**',
+          'vendor/**',
+        ],
+      },
+    },
+    resolve: {
+      alias: {
+        '@': fileURLToPath(new URL('./src', import.meta.url)),
+      },
+    },
+  }),
+);