Added coverage-* related test setup

test/classes/phing/tasks/ext/CoverageMergeTest.php

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+<?php
+/**
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information please see
+ * <http://phing.info>.
+ */
+
+/**
+ * @author Siad Ardroumli <siad.ardroumli@gmail.com>
+ * @package phing.tasks.ext
+ */
+class CoverageMergeTest extends BuildFileTest
+{
+    public function setUp(): void
+    {
+        if (!file_exists(PHING_TEST_BASE . "/etc/tasks/ext/coverage/workspace")) {
+            mkdir(PHING_TEST_BASE . "/etc/tasks/ext/coverage/workspace");
+        }
+        $this->configureProject(PHING_TEST_BASE . "/etc/tasks/ext/coverage/build.xml");
+    }
+
+    public function tearDown(): void
+    {
+        $this->rmdir(PHING_TEST_BASE . "/etc/tasks/ext/coverage/workspace");
+    }
+
+    public function testCoverage(): void
+    {
+        $workspace = PHING_TEST_BASE . "/etc/tasks/ext/coverage/workspace";
+        $this->executeTarget('collect');
+        $this->assertFileExists($workspace . '/1/clover-coverage.xml');
+        $this->assertFileExists($workspace . '/2/clover-coverage.xml');
+        $this->assertFileExists($workspace . '/3/clover-coverage.xml');
+        $this->assertFileExists($workspace . '/output.xml');
+        $this->assertFileExists($workspace . '/test.db');
+        $this->assertFileExists($workspace . '/test-results1.xml');
+        $this->assertFileExists($workspace . '/test-results2.xml');
+        $this->assertFileExists($workspace . '/test-results3.xml');
+        $this->assertStringContainsString('Dummy1Test.php', file_get_contents($workspace . '/test.db'));
+        $this->assertStringContainsString('Dummy2Test.php', file_get_contents($workspace . '/test.db'));
+        $this->assertStringContainsString('Dummy3Test.php', file_get_contents($workspace . '/test.db'));
+    }
+}

test/etc/tasks/ext/coverage/build.xml

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+<?xml version="1.0"?>
+
+<!--
+  ~ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  ~ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  ~ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  ~ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  ~ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  ~ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  ~ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  ~ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  ~ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  ~ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  ~ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  ~
+  ~ This software consists of voluntary contributions made by many individuals
+  ~ and is licensed under the LGPL. For more information please see
+  ~ <http://phing.info>.
+  -->
+
+<project name="Coverage Build Tests" default="main" basedir=".">
+    <resolvepath propertyName="workspace" path="${phing.dir}/workspace" />
+    <property name="test" value="${workspace}/test.db" />
+    <property name="output" value="${workspace}/output.xml" />
+
+    <target name="collect">
+        <coverage-setup database="${test}">
+            <fileset dir="${phing.dir}" includes="**/test/*"/>
+        </coverage-setup>
+        <phpunit codecoverage="true">
+            <formatter type="xml" todir="${workspace}" outfile="test-results1.xml"/>
+            <formatter type="clover" todir="${workspace}/1"/>
+            <formatter type="plain" usefile="false"/>
+            <batchtest>
+                <fileset dir="${phing.dir}" includes="test-1/test/*"/>
+            </batchtest>
+        </phpunit>
+        <phpunit codecoverage="true">
+            <formatter type="xml" todir="${workspace}" outfile="test-results2.xml"/>
+            <formatter type="clover" todir="${workspace}/2"/>
+            <formatter type="plain" usefile="false"/>
+            <batchtest>
+                <fileset dir="${phing.dir}" includes="test-2/test/*"/>
+            </batchtest>
+        </phpunit>
+        <phpunit codecoverage="true">
+            <formatter type="xml" todir="${workspace}" outfile="test-results3.xml"/>
+            <formatter type="clover" todir="${workspace}/3"/>
+            <formatter type="plain" usefile="false"/>
+            <batchtest>
+                <fileset dir="${phing.dir}" includes="test-3/test/*"/>
+            </batchtest>
+        </phpunit>
+        <coverage-report outfile="${output}"/>
+    </target>
+    <target name="main">
+        <echo msg="Use this test inside the phing test suite."/>
+    </target>
+</project>

test/etc/tasks/ext/coverage/test-1/src/Dummy1.php

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+<?php
+
+class Dummy1
+{
+    /** @var mixed */
+    private $arg;
+
+    public function __construct($arg)
+    {
+        $this->arg = $arg;
+    }
+
+    public function result()
+    {
+        return $this->arg;
+    }
+}

test/etc/tasks/ext/coverage/test-1/test/Dummy1Test.php

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+<?php
+
+include __DIR__ . '/../src/Dummy1.php';
+
+use PHPUnit\Framework\TestCase;
+
+class Dummy1Test extends TestCase
+{
+    public function testDummy1()
+    {
+        $this->assertSame('foo', (new Dummy1('foo'))->result());
+    }
+}

test/etc/tasks/ext/coverage/test-2/src/Dummy2.php

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+<?php
+
+class Dummy2
+{
+    /** @var mixed */
+    private $arg;
+
+    public function __construct($arg)
+    {
+        $this->arg = $arg;
+    }
+
+    public function result()
+    {
+        return $this->arg;
+    }
+}

test/etc/tasks/ext/coverage/test-2/test/Dummy2Test.php

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+<?php
+
+include __DIR__ . '/../src/Dummy2.php';
+
+use PHPUnit\Framework\TestCase;
+
+class Dummy2Test extends TestCase
+{
+    public function testDummy1()
+    {
+        $this->assertSame('foo', (new Dummy1('foo'))->result());
+    }
+}

test/etc/tasks/ext/coverage/test-3/src/Dummy3.php

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+<?php
+
+class Dummy3
+{
+    /** @var mixed */
+    private $arg;
+
+    public function __construct($arg)
+    {
+        $this->arg = $arg;
+    }
+
+    public function result()
+    {
+        return $this->arg;
+    }
+}

test/etc/tasks/ext/coverage/test-3/test/Dummy3Test.php

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+<?php
+
+include __DIR__ . '/../src/Dummy3.php';
+
+use PHPUnit\Framework\TestCase;
+
+class Dummy3Test extends TestCase
+{
+    public function testDummy3()
+    {
+        $this->assertSame('foo', (new Dummy1('foo'))->result());
+    }
+}