Make Spock specs atomic if certain criteria are met

pom.xml

@@ -26,6 +26,7 @@
 		<pitest.version>1.14.2</pitest.version>
 		<cucumber.version>5.0.0</cucumber.version>
 		<spock.version>2.3-groovy-4.0</spock.version>
+		<junit4.version>4.13.2</junit4.version>
 		<groovy.version>4.0.11</groovy.version>
 	</properties>
 
@@ -199,6 +200,12 @@
 			<artifactId>spock-core</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>${junit4.version}</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>

src/test/groovy/org/pitest/junit5/repository/TestSpecWithAfterAll.groovy

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.jupiter.api.AfterAll
+import spock.lang.Specification
+
+class TestSpecWithAfterAll extends Specification {
+    @AfterAll
+    static afterAll() {
+    }
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithAfterClass.groovy

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.AfterClass
+import spock.lang.Specification
+
+class TestSpecWithAfterClass extends Specification {
+    @AfterClass
+    static afterClass() {
+    }
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithBeforeAll.groovy

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.jupiter.api.BeforeAll
+import spock.lang.Specification
+
+class TestSpecWithBeforeAll extends Specification {
+    @BeforeAll
+    static beforeAll() {
+    }
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithBeforeClass.groovy

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.BeforeClass
+import spock.lang.Specification
+
+class TestSpecWithBeforeClass extends Specification {
+    @BeforeClass
+    static beforeClass() {
+    }
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithClassRuleField.groovy

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.ClassRule
+import spock.lang.Specification
+
+class TestSpecWithClassRuleField extends Specification {
+    @ClassRule
+    public static classRule
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithClassRuleMethod.groovy

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import org.junit.ClassRule
+import spock.lang.Specification
+
+class TestSpecWithClassRuleMethod extends Specification {
+    @ClassRule
+    static afterClass() {
+    }
+
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithSetupSpecWithoutShared.groovy

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import spock.lang.Shared
+import spock.lang.Specification
+
+class TestSpecWithSetupSpecWithoutShared extends Specification {
+    static fail = true
+
+    def setupSpec() {
+        fail = false
+    }
+
+    def aTest() {
+        expect:
+            !fail
+    }
+
+    def anotherTest() {
+        expect:
+            !fail
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithShared.groovy

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import spock.lang.Shared
+import spock.lang.Specification
+
+class TestSpecWithShared extends Specification {
+    @Shared
+    foo
+
+    def test() {
+        expect:
+        true
+
+        where:
+        i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithStepwise.groovy

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import spock.lang.Specification
+import spock.lang.Stepwise
+
+@Stepwise
+class TestSpecWithStepwise extends Specification {
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}

src/test/groovy/org/pitest/junit5/repository/TestSpecWithStepwiseFeature.groovy

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2023 Björn Kautler
+ *
+ * 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 org.pitest.junit5.repository
+
+import spock.lang.Specification
+import spock.lang.Stepwise
+
+class TestSpecWithStepwiseFeature extends Specification {
+    @Stepwise
+    def test() {
+        expect:
+            true
+
+        where:
+            i << (1..2)
+    }
+}