TodoMvcTest(indepentent Tests)

package ua.net.azhytnytskyi.housework;

import com.codeborne.selenide.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import static com.codeborne.selenide.CollectionCondition.exactTexts;
import static com.codeborne.selenide.Condition.cssClass;
import static com.codeborne.selenide.Condition.exactText;
import static com.codeborne.selenide.Selenide.$;
import static com.codeborne.selenide.Selenide.$$;
import static com.codeborne.selenide.Selenide.open;

public class TodoMvcTest extends BaseTest {

    @Before
    public void setUp(){
        open("/");
        Selenide.sleep(1000);
    }

    @After
    public void tearDown(){
        Selenide.executeJavaScript("localStorage.clear()");
    }

    @Test
    public void testBasicTaskManagementFlow() {

        add("a", "b", "c", "d");
        assertActiveTasks("a", "b", "c", "d");

        edit("a", "a edited");

        toggle("a edited");
        toggle("b");
        clearCompleted();
        assertActiveTasks("c", "d");

        discardEdit("c", "to be discarded");

        delete("c");
        assertActiveTasks("d");
    }

    @Test
    public void testTasksFilters(){

        // Assert that 3 tasks have been added
        add("a", "b", "c");
        assertActiveTasks("a", "b", "c");

        // Toggle specific task as completed and validate that it has been moved to completed status
        toggle("b");
        assertCompletedTasks("b");

        // Open Active filter tab and ensure that the previously deleted task is not present here
        applyFilter("Active");
        assertActiveTasks("a", "c");

        // Open Completed filter tab and toggle completed task to active
        applyFilter("Completed");
        toggle("b");

        // Check that all tasks have active status
        applyFilter("All");
        assertActiveTasks("a","b","c");

        // Toggle all tasks anc check if they have been switched to completed status
        toggleAll();
        assertCompletedTasks("a","b","c");
    }

    private static final String tasksPattern = "#todo-list>li%s";
    private static final ElementsCollection tasks = $$("#todo-list>li");
    private static final ElementsCollection filters = $$("#filters>li");

    private void applyFilter(String filter){
        filters.findBy(exactText(filter)).click();
    }

    private void add(String... taskNames) {
        for (String task : taskNames) {
            $("#new-todo").setValue(task).pressEnter();
        }
    }

    private void edit(String oldTaskName, String newTaskName) {
        startEdit(oldTaskName, newTaskName).pressEnter();
    }

    private void discardEdit(String oldTaskName, String newTaskName) {
        startEdit(oldTaskName, newTaskName).pressEscape();
    }

    private void toggle(String taskName) {
        tasks.findBy(exactText(taskName)).find(".toggle").click();
    }

    private void toggleAll(){
        $("#toggle-all").click();
    }

    private void clearCompleted() {
        $("#clear-completed").click();
    }

    private void delete(String taskName) {
        tasks.findBy(exactText(taskName)).hover().find(".destroy").click();
    }

    private static void assertActiveTasks(String... taskNames) {
        $$(String.format(tasksPattern, ".active")).shouldHave(exactTexts(taskNames));
    }

    private static void assertCompletedTasks(String... taskNames) {
        $$(String.format(tasksPattern, ".completed")).shouldHave(exactTexts(taskNames));
    }

    private SelenideElement startEdit(String oldTaskName, String newTaskName) {
        tasks.findBy(exactText(oldTaskName)).doubleClick();
        return tasks.findBy(cssClass("editing")).find(".edit").setValue(newTaskName);
    }

}