Add Cucumber Kotlin Junit5 example

examples/calculator-java-cli/pom.xml

@@ -9,7 +9,7 @@
 
     <artifactId>calculator-java-cli</artifactId>
     <packaging>jar</packaging>
-    <name>Examples: Calculator - Annotations - CLI</name>
+    <name>Examples: Calculator - Java - Annotations - CLI</name>
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>

examples/calculator-java-junit4/pom.xml

@@ -9,7 +9,7 @@
 
     <artifactId>calculator-java-junit4</artifactId>
     <packaging>jar</packaging>
-    <name>Examples: Calculator - Annotations - Junit4</name>
+    <name>Examples: Calculator - Java - Annotations - Junit4</name>
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>

examples/calculator-java-junit5/pom.xml

@@ -1,4 +1,5 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
@@ -9,10 +10,10 @@
 
     <artifactId>calculator-java-junit5</artifactId>
     <packaging>jar</packaging>
-    <name>Examples: Calculator - Annotations - Junit 5</name>
+    <name>Examples: Calculator - Java - Annotations - Junit 5</name>
 
     <properties>
-        <project.Automatic-Module-Name>io.cucumber.calculator</project.Automatic-Module-Name>
+        <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>
     </properties>
 
     <dependencyManagement>
@@ -27,7 +28,7 @@
             <dependency>
                 <groupId>org.junit</groupId>
                 <artifactId>junit-bom</artifactId>
-                <version>5.10.1</version>
+                <version>5.12.2</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -38,6 +39,13 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>org.assertj</groupId>
+                <artifactId>assertj-bom</artifactId>
+                <version>3.27.3</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -57,11 +65,6 @@
             <artifactId>junit-platform-suite</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-console</artifactId>
@@ -72,6 +75,11 @@
             <artifactId>jackson-databind</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -106,14 +114,16 @@
                         </goals>
                         <configuration>
                             <target unless="maven.test.skip">
-                                <echo message="Running JUnit Platform CLI" />
-                                <java classname="org.junit.platform.console.ConsoleLauncher" fork="true" failonerror="true" newenvironment="true" maxmemory="512m" classpathref="maven.test.classpath">
-                                    <arg value="--include-engine" />
-                                    <arg value="cucumber" />
-                                    <arg value="--scan-classpath" />
-                                    <arg value="${project.build.testOutputDirectory}" />
-                                    <arg value="--reports-dir" />
-                                    <arg value="${project.build.directory}/cucumber-reports" />
+                                <echo message="Running JUnit Platform CLI"/>
+                                <java classname="org.junit.platform.console.ConsoleLauncher" fork="true"
+                                      failonerror="true" newenvironment="true" maxmemory="512m"
+                                      classpathref="maven.test.classpath">
+                                    <arg value="--include-engine"/>
+                                    <arg value="cucumber"/>
+                                    <arg value="--scan-classpath"/>
+                                    <arg value="${project.build.testOutputDirectory}"/>
+                                    <arg value="--reports-dir"/>
+                                    <arg value="${project.build.directory}/cucumber-reports"/>
                                 </java>
                             </target>
                         </configuration>

examples/calculator-java-junit5/src/test/java/io/cucumber/examples/calculator/DateStepDefinitions.java

@@ -6,7 +6,7 @@
 
 import java.util.Date;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class DateStepDefinitions {
 
@@ -25,6 +25,6 @@ public void I_ask_if_date_is_in_the_past(Date date) {
 
     @Then("^the result should be (yes|no)$")
     public void the_result_should_be(String expectedResult) {
-        assertEquals(expectedResult, result);
+        assertThat(result).isEqualTo(expectedResult);
     }
 }

examples/calculator-java-junit5/src/test/java/io/cucumber/examples/calculator/RpnCalculatorSteps.java

@@ -11,7 +11,7 @@
 
 import java.util.List;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class RpnCalculatorSteps {
 
@@ -66,7 +66,7 @@ public void I_press(String what) {
 
     @Then("the result is {int}")
     public void the_result_is(double expected) {
-        assertEquals(expected, calc.value());
+        assertThat(calc.value()).isEqualTo(expected);
     }
 
     @Given("the previous entries:")

examples/calculator-java-junit5/src/test/java/io/cucumber/examples/calculator/ShoppingSteps.java

@@ -6,7 +6,7 @@
 
 import java.util.List;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class ShoppingSteps {
 
@@ -28,7 +28,7 @@ public void i_pay(int amount) {
 
     @Then("my change should be {}")
     public void my_change_should_be_(int change) {
-        assertEquals(-calc.value().intValue(), change);
+        assertThat(-calc.value().intValue()).isEqualTo(change);
     }
 
     static class Grocery {

examples/calculator-java-testng/pom.xml

@@ -9,7 +9,7 @@
 
     <artifactId>calculator-java-testng</artifactId>
     <packaging>jar</packaging>
-    <name>Examples: Calculator - Annotations - TestNG</name>
+    <name>Examples: Calculator - Java - Annotations - TestNG</name>
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>

examples/calculator-java8-cli/pom.xml

@@ -9,7 +9,7 @@
 
     <artifactId>calculator-java8-cli</artifactId>
     <packaging>jar</packaging>
-    <name>Examples: Calculator - Lambda - CLI</name>
+    <name>Examples: Calculator - Java - Lambda - CLI</name>
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>

examples/calculator-kotlin-junit5/.gitignore

@@ -0,0 +1,4 @@
+/.settings
+/.classpath
+/.project
+/test-output/

examples/calculator-kotlin-junit5/pom.xml

@@ -0,0 +1,158 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>io.cucumber</groupId>
+        <artifactId>examples</artifactId>
+        <version>7.23.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>calculator-kotlin-junit5</artifactId>
+    <packaging>jar</packaging>
+    <name>Examples: Calculator - Kotlin - Annotations - Junit 5</name>
+
+    <properties>
+        <kotlin.code.style>official</kotlin.code.style>
+        <project.Automatic-Module-Name>io.cucumber.examples.calculator</project.Automatic-Module-Name>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.cucumber</groupId>
+                <artifactId>cucumber-bom</artifactId>
+                <version>${project.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.junit</groupId>
+                <artifactId>junit-bom</artifactId>
+                <version>5.12.2</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-bom</artifactId>
+                <version>2.1.21</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.cucumber</groupId>
+            <artifactId>cucumber-java</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.cucumber</groupId>
+            <artifactId>cucumber-junit-platform-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-suite</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-console</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-test</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>src/main/kotlin</sourceDirectory>
+        <testSourceDirectory>src/test/kotlin</testSourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>2.1.21</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-failsafe-plugin</artifactId>
+                <version>3.5.3</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <properties>
+                        <!-- Work around. Surefire does not include enough information to disambiguate between different
+                             examples. -->
+                        <configurationParameters>
+                            cucumber.junit-platform.naming-strategy=long
+                        </configurationParameters>
+                    </properties>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-antrun-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <!-- Work around. Surefire does not use JUnits Test Engine discovery functionality.
+
+                             Alternatively use the JUnit Platform Suite Engine.
+                         -->
+                        <id>cli-test</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <target unless="maven.test.skip">
+                                <echo message="Running JUnit Platform CLI"/>
+                                <java classname="org.junit.platform.console.ConsoleLauncher" fork="true"
+                                      failonerror="true" newenvironment="true" maxmemory="512m"
+                                      classpathref="maven.test.classpath">
+                                    <arg value="--include-engine"/>
+                                    <arg value="cucumber"/>
+                                    <arg value="--scan-classpath"/>
+                                    <arg value="${project.build.testOutputDirectory}"/>
+                                    <arg value="--reports-dir"/>
+                                    <arg value="${project.build.directory}/cucumber-reports"/>
+                                </java>
+                            </target>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

examples/calculator-kotlin-junit5/src/main/kotlin/io/cucumber/examples/calaculator/DateCalculator.kt

@@ -0,0 +1,12 @@
+package io.cucumber.examples.calaculator
+
+import java.time.LocalDate
+import java.util.*
+
+class DateCalculator(private val now: LocalDate) {
+
+    fun isDateInThePast(date: LocalDate): String {
+        return if (date.isBefore(now)) "yes" else "no"
+    }
+}
+

examples/calculator-kotlin-junit5/src/main/kotlin/io/cucumber/examples/calaculator/RpnCalculator.kt

@@ -0,0 +1,29 @@
+package io.cucumber.examples.calaculator
+
+class RpnCalculator {
+    private val stack: ArrayDeque<Number> = ArrayDeque()
+
+    private val OPS = setOf("+", "-", "*", "/")
+
+    fun push(arg: Any) {
+        if (arg in OPS) {
+            val y = stack.removeLast()
+            val x = if (stack.isEmpty()) 0 else stack.removeLast()
+            val valResult = when (arg) {
+                "-" -> x.toDouble() - y.toDouble()
+                "+" -> x.toDouble() + y.toDouble()
+                "*" -> x.toDouble() * y.toDouble()
+                "/" -> x.toDouble() / y.toDouble()
+                else -> throw IllegalArgumentException("Unknown operation $arg")
+            }
+            push(valResult)
+        } else {
+            stack.addLast(arg as Number)
+        }
+    }
+
+    fun peek(): Number? = stack.lastOrNull()
+
+    fun clear() = stack.clear()
+}
+