add allure report for mocha tests (via #41)

Jenkinsfile

@@ -41,6 +41,7 @@ pipeline {
     }
     post {
         always {
+            allure results: [[path: '**/out/allure-results']]
             deleteDir()
         }
     }

packages/allure-mocha/package.json

@@ -18,7 +18,7 @@
     "build": "npm run lint && npm run compile",
     "generate-report": "allure generate ./out/allure-results -o ./out/allure-report --clean",
     "allure-report": "allure serve ./out/allure-results",
-    "test": "nyc mocha",
+    "test": "nyc node dist/test/runner",
     "coverage": "codecov",
     "lint": "eslint ./src ./test ./index.ts --ext .ts",
     "lint-fix": "eslint ./src ./test ./index.ts --ext .ts --fix"
@@ -31,6 +31,7 @@
     "dotenv": "^8.0.0",
     "fs-jetpack": "^2.2.2",
     "mocha": "^6.2.0",
+    "mocha-multi": "^1.1.1",
     "mocha-typescript": "^1.1.17",
     "nyc": "^14.0.0",
     "prettier": "^1.17.0",

packages/allure-mocha/test/runner.ts

@@ -0,0 +1,30 @@
+// custom runner for mocha that allows to include a custom reporter
+// which is not packed into an npm module
+import Mocha from "mocha";
+import glob from "glob";
+import "source-map-support/register";
+
+declare module "mocha" {
+  interface InterfaceContributions {
+    "mocha-typescript": never;
+  }
+}
+
+const mocha = new Mocha({
+  ui: "mocha-typescript",
+  timeout: 16000,
+  reporter: "mocha-multi",
+  reporterOptions: {
+    list: "-",
+    [require.resolve("../")]: {
+      stdout: "-",
+      options: {
+        resultsDir: "./out/allure-results"
+      }
+    }
+  }
+});
+
+glob.sync("dist/test/specs/**/*.js").forEach(file => mocha.addFile(file));
+
+mocha.run(failures => process.exit(failures === 0 ? 0 : 1));