add test for mocha runtime api stub

packages/allure-mocha/test/fixtures/runners/parallel.ts

@@ -0,0 +1,14 @@
+import MochaAllureReporter from "allure-mocha";
+import glob from "glob";
+import Mocha from "mocha";
+import "source-map-support/register";
+
+const mocha = new Mocha({
+  timeout: 16000,
+  reporter: MochaAllureReporter,
+  parallel: true,
+});
+
+glob.sync("test/fixtures/specs/runtime.ts").forEach((file) => mocha.addFile(file));
+
+mocha.run((failures) => process.exit(failures === 0 ? 0 : 1));

packages/allure-mocha/test/fixtures/runners/singleThread.ts

@@ -0,0 +1,13 @@
+import MochaAllureReporter from "allure-mocha";
+import glob from "glob";
+import Mocha from "mocha";
+import "source-map-support/register";
+
+const mocha = new Mocha({
+  timeout: 16000,
+  reporter: MochaAllureReporter,
+});
+
+glob.sync("test/fixtures/specs/runtime.ts").forEach((file) => mocha.addFile(file));
+
+mocha.run((failures) => process.exit(failures === 0 ? 0 : 1));

packages/allure-mocha/test/fixtures/specs/runtime.ts

@@ -0,0 +1,8 @@
+import { describe, it } from "mocha";
+import { allure } from "../../../runtime";
+
+describe("runtime", () => {
+  it("assigns label", () => {
+    allure.label("foo", "bar");
+  });
+});

packages/allure-mocha/test/specs/reporter.ts

@@ -0,0 +1,41 @@
+import { spawnSync } from "node:child_process";
+import fs from "node:fs";
+import process from "node:process";
+import { expect } from "chai";
+import { beforeEach, describe, it } from "mocha";
+import { restore, stub } from "sinon";
+
+describe("reporter", () => {
+  beforeEach(() => {
+    restore();
+    stub(fs, "mkdirSync").callsFake(() => "");
+  });
+
+  describe("parallel mode", () => {
+    it("prints warnings about allure api", () => {
+      const out = spawnSync(
+        "ts-node",
+        ["--project", "test/tsconfig.json", "test/fixtures/runners/parallel.ts"],
+        {
+          cwd: process.cwd(),
+        },
+      );
+
+      expect(out.stderr.toString("utf8")).contains("can't be used in parallel mode");
+    });
+  });
+
+  describe("single thread mode", () => {
+    it("doesn't print any warning about allure api", () => {
+      const out = spawnSync(
+        "ts-node",
+        ["--project", "test/tsconfig.json", "test/fixtures/runners/singleThread.ts"],
+        {
+          cwd: process.cwd(),
+        },
+      );
+
+      expect(out.stderr.toString("utf8")).not.contains("can't be used in parallel mode");
+    });
+  });
+});