testng: add tests for the global thread pool (via #1307)

Author: baev

allure-testng/src/test/java/io/qameta/allure/testng/AllureTestNgTest.java

@@ -162,6 +162,21 @@ public void parallelDataProvider() {
         assertThat(containers).as("Not all testng containers have been written").hasSize(3);
     }
 
+    @AllureFeatures.Parallel
+    @Issue("1013")
+    @Test
+    @DisplayName("Parallel data provider tests with global thread pool")
+    public void globalThreadPool() {
+        final AllureResults results = runTestNgSuites("suites/global-thread-pool.xml");
+        final List<TestResult> testResults = results.getTestResults();
+        assertThat(testResults)
+                .as("Not all data driven results have been written")
+                .hasSize(50)
+                .extracting(TestResult::getStatus)
+                .as("All data driven tests should pass")
+                .containsOnly(Status.PASSED);
+    }
+
     @AllureFeatures.Base
     @Test
     @DisplayName("Singe testng")

allure-testng/src/test/java/io/qameta/allure/testng/samples/GlobalThreadPoolSample.java

@@ -0,0 +1,48 @@
+/*
+ *  Copyright 2016-2026 Qameta Software Inc
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.qameta.allure.testng.samples;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+/**
+ * Make sure data driven tests work when the suite runs with
+ * {@code use-global-thread-pool="true"} (see allure-java#1013).
+ */
+public class GlobalThreadPoolSample {
+
+    private static final int DATA_SIZE = 25;
+
+    @Test(dataProvider = "dp")
+    public void firstParallelDataDrivenTest(final int value) {
+    }
+
+    @Test(dataProvider = "dp")
+    public void secondParallelDataDrivenTest(final int value) {
+    }
+
+    @DataProvider(
+            name = "dp",
+            parallel = true
+    )
+    public Object[][] provide() {
+        final Object[][] data = new Object[DATA_SIZE][1];
+        for (int i = 0; i < DATA_SIZE; i++) {
+            data[i][0] = i;
+        }
+        return data;
+    }
+}

allure-testng/src/test/resources/suites/global-thread-pool.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >
+
+<suite name="Global thread pool suite" parallel="methods" use-global-thread-pool="true" thread-count="4">
+    <test name="Global thread pool test">
+        <classes>
+            <class name="io.qameta.allure.testng.samples.GlobalThreadPoolSample"/>
+        </classes>
+    </test>
+</suite>