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package space.kklochko.jdbc_hospital_example.db.repositories;
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import space.kklochko.jdbc_hospital_example.db.factories.DataBaseConnection;
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import space.kklochko.jdbc_hospital_example.db.repositories.blocks.TransactionalInsert;
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import space.kklochko.jdbc_hospital_example.db.repositories.blocks.TransactionalUpdate;
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import space.kklochko.jdbc_hospital_example.db.repositories.blocks.CreateTable;
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import space.kklochko.jdbc_hospital_example.models.Department;
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import java.sql.*;
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import java.util.ArrayList;
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import java.util.UUID;
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public class DepartmentRepository extends AbstractRepository<Department> {
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private final String createTableStatement = "create table if not exists departments ("
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+ "id uuid default uuid_generate_v1(),"
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+ "name varchar(100) not null,"
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+ "location varchar(100) not null,"
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+ "phone varchar(25) not null)";
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public DepartmentRepository(DataBaseConnection db){
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super(db);
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}
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public boolean createTable() {
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CreateTable createTable = new CreateTable();
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return createTable.create(db, createTableStatement);
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}
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public boolean create(Department object) {
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try (Connection connection = db.connect()) {
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connection.setAutoCommit(false);
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String sql = "insert into departments (name, location, phone) values (?, ?, ?) returning id;";
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PreparedStatement preparedStatement = connection.prepareStatement(sql);
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preparedStatement.setString(1, object.getName());
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preparedStatement.setString(2, object.getLocation());
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preparedStatement.setString(3, object.getPhone());
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ResultSet resultSet = (new TransactionalInsert()).run(connection, preparedStatement);
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if (resultSet.next()) {
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UUID uuid = (UUID) resultSet.getObject("id");
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object.setId(uuid);
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return true;
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}
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return false;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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public Department read(UUID id) {
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try (Connection connection = db.connect()) {
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String sql = "select id, name, location, phone from departments where id = ?;";
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PreparedStatement preparedStatement = connection.prepareStatement(sql);
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preparedStatement.setObject(1, id);
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ResultSet resultSet = preparedStatement.executeQuery();
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if (resultSet.next()) {
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UUID uuid = (UUID) resultSet.getObject("id");
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String name = resultSet.getString("name");
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String location = resultSet.getString("location");
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String phone = resultSet.getString("phone");
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return new Department(uuid, name, location, phone);
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}
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return null;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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public ArrayList<Department> readAll() {
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try (Connection connection = db.connect()) {
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String sql = "select id, name, location, phone from departments;";
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Statement statement = connection.createStatement();
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ResultSet resultSet = statement.executeQuery(sql);
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ArrayList<Department> patients = new ArrayList<>();
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while (resultSet.next()) {
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UUID uuid = (UUID) resultSet.getObject("id");
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String name = resultSet.getString("name");
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String location = resultSet.getString("location");
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String phone = resultSet.getString("phone");
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patients.add(new Department(uuid, name, location, phone));
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}
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return patients;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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public boolean update(Department object) {
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try (Connection connection = db.connect()) {
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connection.setAutoCommit(false);
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String sql = "update departments set name = ?, location = ?, phone = ? where id = ?;";
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PreparedStatement preparedStatement = connection.prepareStatement(sql);
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preparedStatement.setString(1, object.getName());
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preparedStatement.setString(2, object.getLocation());
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preparedStatement.setString(3, object.getPhone());
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preparedStatement.setObject(4, object.getId());
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int rowCount = (new TransactionalUpdate()).run(connection, preparedStatement);
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return rowCount > 0;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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public boolean delete(UUID id) {
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try (Connection connection = db.connect()) {
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connection.setAutoCommit(false);
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String sql = "delete from departments where id = ?;";
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PreparedStatement preparedStatement = connection.prepareStatement(sql);
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preparedStatement.setObject(1, id);
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int rowCount = (new TransactionalUpdate()).run(connection, preparedStatement);
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return rowCount > 0;
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} catch (SQLException e) {
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throw new RuntimeException(e);
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}
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}
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}
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@ -0,0 +1,144 @@
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package space.kklochko.jdbc_hospital_example.db.repositories
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import groovy.sql.Sql
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import space.kklochko.jdbc_hospital_example.config.factories.LoadDataBaseConfigFromEnvFile
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import space.kklochko.jdbc_hospital_example.config.models.DataBaseConfig
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import space.kklochko.jdbc_hospital_example.db.factories.DataBaseConnection
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import space.kklochko.jdbc_hospital_example.models.Department
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import spock.lang.Shared
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import spock.lang.Specification
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import spock.lang.Stepwise
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import spock.lang.Subject
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@Stepwise
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class DepartmentRepositorySpec extends Specification {
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@Shared
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Sql sql
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@Shared
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DataBaseConfig db
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@Shared
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DataBaseConnection dbc
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def setupSpec() {
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db = (new LoadDataBaseConfigFromEnvFile()).load("db.testing")
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dbc = new DataBaseConnection(db)
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DepartmentRepository repo = new DepartmentRepository(dbc)
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repo.createTable()
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sql = Sql.newInstance(db.getUrl(), db.getProperties().get("user"), db.getProperties().get("password"))
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sql.execute("insert into departments values " +
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"('bcbbcdb4-702c-11ee-9113-c0e4349366cb', 'First department', 'Stepan Bandera Street', '380123451244')," +
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"('becbafac-702c-11ee-9113-c0e4349366cb', 'Second department', 'Taras Shevchenko street', '380123451245')")
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}
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def cleanupSpec() {
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sql.execute("delete from departments")
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}
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def "Read one department"() {
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given: "I have an existing department"
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UUID id = UUID.fromString("becbafac-702c-11ee-9113-c0e4349366cb")
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and: "I have a repo"
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@Subject
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DepartmentRepository repo = new DepartmentRepository(dbc)
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when: "reading the entry"
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def result = repo.read(id)
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then: "checking that the reading was successful"
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result
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and: "checking the entry with the expected data"
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def data = sql.firstRow("SELECT name, location, phone FROM departments WHERE id = ?", id)
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with(data) {
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get("name") == 'Second department'
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get("location") == 'Taras Shevchenko street'
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get("phone") == '380123451245'
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}
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}
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def "Read all indicators"() {
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given: "I have a repo"
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@Subject
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DepartmentRepository repo = new DepartmentRepository(dbc)
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when: "reading the entries"
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def result = repo.readAll()
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then: "checking that the reading was successful"
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result
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and: "checking the entries with the expected data"
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def data = sql.rows("SELECT name, location, phone FROM departments")
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data.collect{it.get("location")} == ['Stepan Bandera Street', 'Taras Shevchenko street']
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}
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def "Add one department"() {
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given: "I create an department"
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Department department = new Department("Department", "Lesya Ukrainka Street", "380123451235")
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and: "I have a repo"
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@Subject
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DepartmentRepository repo = new DepartmentRepository(dbc)
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when: "inserting the entry"
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def result = repo.create(department)
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then: "checking that the insert was successful"
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result
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department.id
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and: "checking that the entry is added"
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def isExist = sql.firstRow("SELECT name, location, phone FROM departments WHERE id = ?", department.id)
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isExist
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}
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def "Update one department"() {
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given: "I have an existing department"
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UUID id = UUID.fromString("becbafac-702c-11ee-9113-c0e4349366cb")
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Department department = new Department(id, "Department", "Lesya Ukrainka Street", "380123451235")
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and: "I have a repo"
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@Subject
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DepartmentRepository repo = new DepartmentRepository(dbc)
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when: "updating the entry"
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def result = repo.update(department)
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then: "checking that the update was successful"
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result
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and: "checking that the entry is updated"
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def data = sql.firstRow("SELECT name, location, phone FROM departments WHERE id = ?", department.id)
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with(data) {
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get("name") == department.name
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get("location") == department.location
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get("phone") == department.phone
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}
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}
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def "Remove one department"() {
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given: "I have the id of an existing department"
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UUID id = UUID.fromString("bcbbcdb4-702c-11ee-9113-c0e4349366cb")
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and: "I have a repo"
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@Subject
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DepartmentRepository repo = new DepartmentRepository(dbc)
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when: "deleting the entry"
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def result = repo.delete(id)
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then: "checking that the delete was successful"
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result
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and: "checking that the entry was deleted"
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def isExist = sql.firstRow("SELECT name, location, phone FROM departments WHERE id = ?", id)
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!isExist
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}
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}
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