Merge branch '78-small-tdd-kata' into 'master'

Resolve "Small TDD kata"

Closes #78

See merge request !62

.gitlab-ci.yml

@@ -25,3 +25,6 @@ include:
   - local: "/java-streams/.gitlab-ci.yml"
   - local: "/game-of-life/.gitlab-ci.yml"
   - local: "/movie-rental/.gitlab-ci.yml"
+  - local: "/fizz-buzz/.gitlab-ci.yml"
+  - local: "/leap-years/.gitlab-ci.yml"
+  - local: "/employee-report/.gitlab-ci.yml"

README.md

@@ -50,3 +50,6 @@ Ce dépôt Git a pour but de partager les différents ateliers pouvant être ré
 | [CodingGame Mars Landing Party](https://www.youtube.com/watch?v=FeJa3UnmeHw)                                          | CodingGame  | Moyenne    |
 | [Game of life](/game-of-life)                                                                                         | Kata        | Enervé     |
 | [Movie rental](/movie-rental)                                                                                         | Kata        | Moyenne    |
+| [Fizz Buzz](/fizz-buzz)                                                                                               | Kata        | Facile     |
+| [Leap years](/leap-years)                                                                                             | Kata        | Facile     |
+| [Employee report](/employee-report)                                                                                   | Kata        | Facile     |

employee-report/.gitlab-ci.yml

+package-employee-report:
+  variables:
+    PROJECT_FOLDER: "employee-report"
+  extends: .java
+  only:
+    refs:
+      - master
+      - merge_requests
+    changes:
+      - ".gitlab-common-ci.yml"
+      - "employee-report/**/*"

employee-report/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <version>1.0.0</version>
+    <groupId>fr.ippon.kata</groupId>
+    <artifactId>java-parent</artifactId>
+    <relativePath>../java-parent</relativePath>
+  </parent>
+
+  <version>1.0.0-SNAPSHOT</version>
+  <artifactId>employee-report</artifactId>
+
+  <name>EmployeeReport</name>
+
+  <developers>
+    <developer>
+      <email>lcoston@ippon.fr</email>
+      <name>Léa COSTON</name>
+    </developer>
+    <developer>
+      <email>cdamon@ippon.fr</email>
+      <name>Colin DAMON</name>
+    </developer>
+  </developers>
+</project>

employee-report/readme.md

+# Leap Year
+
+Résolution en TDD et en Java du kata [EmmployeeReport](https://codingdojo.org/kata/Employee-Report/).
+
+-   **Auteurs** : Léa COSTON et Colin DAMON
+-   **Date** : 19/02/2021
+-   **Langage** : Java
+-   **Niveau** : Facile
+-   **Replay** : TODO

employee-report/src/main/java/fr/ippon/employee/Employee.java

+package fr.ippon.employee;
+
+public class Employee {
+  private final String name;
+  private final int age;
+
+  public Employee(String name, int age) {
+    this.name = name;
+    this.age = age;
+  }
+
+  boolean isAdult() {
+    return age >= 18;
+  }
+
+  public String getName() {
+    return name.toUpperCase();
+  }
+}

employee-report/src/main/java/fr/ippon/employee/EmployeeReport.java

+package fr.ippon.employee;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class EmployeeReport {
+  private final List<Employee> employees;
+
+  public EmployeeReport(Employee... employees) {
+    this.employees = Arrays.asList(employees);
+  }
+
+  public Collection<String> getAdults() {
+    return employees
+      .stream()
+      .filter(Employee::isAdult)
+      .map(Employee::getName)
+      .sorted(Comparator.reverseOrder())
+      .collect(Collectors.toUnmodifiableList());
+  }
+}

employee-report/src/test/java/fr/ippon/employee/EmployeeReportTest.java

+package fr.ippon.employee;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+public class EmployeeReportTest {
+  private static final EmployeeReport employees = buildEmployees();
+
+  private static EmployeeReport buildEmployees() {
+    return new EmployeeReport(new Employee("Max", 17), new Employee("Sepp", 18), new Employee("Nina", 15), new Employee("mike", 51));
+  }
+
+  @Test
+  void shouldGetAdultEmployees() {
+    assertThat(employees.getAdults()).containsExactly("SEPP", "MIKE");
+  }
+}

fizz-buzz/.gitlab-ci.yml

+package-fizz-buzz:
+  variables:
+    PROJECT_FOLDER: "fizz-buzz"
+  extends: .java
+  only:
+    refs:
+      - master
+      - merge_requests
+    changes:
+      - ".gitlab-common-ci.yml"
+      - "fizz-buzz/**/*"

fizz-buzz/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <version>1.0.0</version>
+    <groupId>fr.ippon.kata</groupId>
+    <artifactId>java-parent</artifactId>
+    <relativePath>../java-parent</relativePath>
+  </parent>
+
+  <version>1.0.0-SNAPSHOT</version>
+  <artifactId>fizz-buzz</artifactId>
+
+  <name>FizzBuzz</name>
+
+  <developers>
+    <developer>
+      <email>lcoston@ippon.fr</email>
+      <name>Léa COSTON</name>
+    </developer>
+    <developer>
+      <email>cdamon@ippon.fr</email>
+      <name>Colin DAMON</name>
+    </developer>
+  </developers>
+</project>

fizz-buzz/readme.md

+# Fizz Buzz
+
+Résolution en TDD et en Java du kata [FizzBuzz](https://codingdojo.org/kata/FizzBuzz/).
+
+-   **Auteurs** : Léa COSTON et Colin DAMON
+-   **Date** : 19/02/2021
+-   **Langage** : Java
+-   **Niveau** : Facile
+-   **Replay** : TODO

fizz-buzz/src/main/java/fr/ippon/fizzbuzz/FizzBuzz.java

+package fr.ippon.fizzbuzz;
+
+public class FizzBuzz {
+  private static final int BUZZ_VALUE = 5;
+  private static final int FIZZ_VALUE = 3;
+
+  private static final String BUZZ = "Buzz";
+  private static final String FIZZ = "Fizz";
+  private static final String FIZZ_BUZZ = FIZZ + BUZZ;
+
+  public static String of(int value) {
+    if (isFizzBuzz(value)) {
+      return FIZZ_BUZZ;
+    }
+
+    if (isBuzz(value)) {
+      return BUZZ;
+    }
+
+    if (isFizz(value)) {
+      return FIZZ;
+    }
+
+    return String.valueOf(value);
+  }
+
+  private static boolean isFizzBuzz(int value) {
+    return isFizz(value) && isBuzz(value);
+  }
+
+  private static boolean isBuzz(int value) {
+    return value % BUZZ_VALUE == 0;
+  }
+
+  private static boolean isFizz(int value) {
+    return value % FIZZ_VALUE == 0;
+  }
+}

fizz-buzz/src/test/java/fr/ippon/fizzbuzz/FizzBuzzTest.java

+package fr.ippon.fizzbuzz;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+class FizzBuzzTest {
+
+  @Test
+  void shouldGetOneForOne() {
+    assertThat(FizzBuzz.of(1)).isEqualTo("1");
+  }
+
+  @Test
+  void shouldGetTwoForTwo() {
+    assertThat(FizzBuzz.of(2)).isEqualTo("2");
+  }
+
+  @Test
+  void shouldGetFizzForThree() {
+    assertThat(FizzBuzz.of(3)).isEqualTo("Fizz");
+  }
+
+  @Test
+  void shouldGetFizzForSix() {
+    assertThat(FizzBuzz.of(6)).isEqualTo("Fizz");
+  }
+
+  @Test
+  void shouldGetBuzzForFive() {
+    assertThat(FizzBuzz.of(5)).isEqualTo("Buzz");
+  }
+
+  @Test
+  void shouldGetFizzBuzzForFifteen() {
+    assertThat(FizzBuzz.of(15)).isEqualTo("FizzBuzz");
+  }
+}

leap-years/.gitlab-ci.yml

+package-leap-years:
+  variables:
+    PROJECT_FOLDER: "leap-years"
+  extends: .java
+  only:
+    refs:
+      - master
+      - merge_requests
+    changes:
+      - ".gitlab-common-ci.yml"
+      - "leap-years/**/*"

leap-years/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <version>1.0.0</version>
+    <groupId>fr.ippon.kata</groupId>
+    <artifactId>java-parent</artifactId>
+    <relativePath>../java-parent</relativePath>
+  </parent>
+
+  <version>1.0.0-SNAPSHOT</version>
+  <artifactId>leap-years</artifactId>
+
+  <name>LeapYears</name>
+
+  <developers>
+    <developer>
+      <email>lcoston@ippon.fr</email>
+      <name>Léa COSTON</name>
+    </developer>
+    <developer>
+      <email>cdamon@ippon.fr</email>
+      <name>Colin DAMON</name>
+    </developer>
+  </developers>
+</project>

leap-years/readme.md

+# Leap Year
+
+Résolution en TDD et en Java du kata [LeapYears](https://codingdojo.org/kata/LeapYears/).
+
+-   **Auteurs** : Léa COSTON et Colin DAMON
+-   **Date** : 19/02/2021
+-   **Langage** : Java
+-   **Niveau** : Facile
+-   **Replay** : TODO

leap-years/src/main/java/fr/ippon/leapyears/Years.java

+package fr.ippon.leapyears;
+
+public class Years {
+
+  public static boolean isLeap(int year) {
+    return new Year(year).isLeap();
+  }
+
+  private static class Year {
+    private final int year;
+
+    public Year(int year) {
+      this.year = year;
+    }
+
+    private boolean isLeap() {
+      if (year % 400 == 0) {
+        return true;
+      }
+
+      if (year % 100 == 0) {
+        return false;
+      }
+
+      if (year % 4 == 0) {
+        return true;
+      }
+
+      return false;
+    }
+  }
+}

leap-years/src/test/java/fr/ippon/leapyears/LeapYearsTest.java

+package fr.ippon.leapyears;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+class LeapYearsTest {
+
+  @Test
+  void shouldNotBeLeapYearsFor2021() {
+    assertThat(Years.isLeap(2021)).isFalse();
+  }
+
+  @Test
+  void shouldBeLeapYearsFor2020() {
+    assertThat(Years.isLeap(2020)).isTrue();
+  }
+
+  @Test
+  void shouldNotBeLeapYearsFor1900() {
+    assertThat(Years.isLeap(1900)).isFalse();
+  }
+
+  @Test
+  void shouldBeLeapYearsFor2000() {
+    assertThat(Years.isLeap(2000)).isTrue();
+  }
+}