test: improve test coverage for plugin-coverage

Author: AS

e2e/plugin-coverage-e2e/mocks/fixtures/nx-workspace/code-pushup.config.ts

@@ -0,0 +1,23 @@
+import coveragePlugin from '@code-pushup/coverage-plugin';
+
+export default {
+  plugins: [
+    await coveragePlugin({
+      reports: ['coverage/lcov.info'],
+    }),
+  ],
+  categories: [
+    {
+      slug: 'code-coverage',
+      title: 'Code coverage',
+      refs: [
+        {
+          type: 'group',
+          plugin: 'coverage',
+          slug: 'coverage',
+          weight: 1,
+        },
+      ],
+    },
+  ],
+};

e2e/plugin-coverage-e2e/mocks/fixtures/nx-workspace/coverage/lcov.info

@@ -0,0 +1,39 @@
+TN:
+SF:src/utils.ts
+FN:1,add
+FN:5,subtract
+FN:9,multiply
+FN:13,divide
+FNF:4
+FNH:4
+FNDA:1,add
+FNDA:5,subtract
+FNDA:9,multiply
+FNDA:13,divide
+DA:1,1
+DA:2,1
+DA:3,1
+DA:4,1
+DA:5,1
+DA:6,1
+DA:7,1
+DA:8,1
+DA:9,1
+DA:10,1
+DA:11,1
+DA:12,1
+DA:13,1
+DA:14,1
+DA:15,1
+DA:16,1
+DA:17,1
+DA:18,1
+DA:19,1
+DA:20,1
+LF:20
+LH:20
+BRF:2
+BRH:2
+BRDA:13,0,0,1
+BRDA:13,1,0,1
+end_of_record

e2e/plugin-coverage-e2e/mocks/fixtures/nx-workspace/nx.json

@@ -0,0 +1,11 @@
+{
+  "extends": "nx/presets/npm.json",
+  "targets": {
+    "test": {
+      "executor": "@nx/vite:test",
+      "options": {
+        "configFile": "vitest.config.ts"
+      }
+    }
+  }
+}

e2e/plugin-coverage-e2e/mocks/fixtures/nx-workspace/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "test-nx-workspace",
+  "version": "1.0.0",
+  "scripts": {
+    "build": "echo \"build\""
+  },
+  "devDependencies": {
+    "nx": "^17.0.0"
+  }
+}

e2e/plugin-coverage-e2e/mocks/fixtures/nx-workspace/vitest.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    coverage: {
+      reporter: ['text', 'lcov'],
+      reportsDirectory: 'coverage',
+    },
+  },
+});