com.cognifide.aet.job.common.modifiers.login.LoginFormComponent.java Source code

Introduction

Here is the source code for com.cognifide.aet.job.common.modifiers.login.LoginFormComponent.java

Source

/**
 * Automated Exploratory Tests
 *
 * Copyright (C) 2013 Cognifide Limited
 *
 * 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 com.cognifide.aet.job.common.modifiers.login;

import com.cognifide.aet.job.api.exceptions.ProcessingException;

import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.TimeoutException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class LoginFormComponent {

    private static final int TIMEOUT = 10;

    private static final int MAX_ATTEMPTS = 10;

    private static final String VALUE_ATTRIBUTE = "value";

    private static final String SET_VALUE_SCRIPT = "arguments[0].value=arguments[1]";

    private final WebElement loginInput;

    private final WebElement passwordInput;

    private final WebElement submitButton;

    private final JavascriptExecutor js;

    public LoginFormComponent(WebDriver webDriver, String loginInputSelector, String passwordInputSelector,
            String submitButtonSelector) throws ProcessingException {
        js = (JavascriptExecutor) webDriver;
        try {
            loginInput = getElementByXpath(webDriver, loginInputSelector);
            passwordInput = getElementByXpath(webDriver, passwordInputSelector);
            submitButton = getElementByXpath(webDriver, submitButtonSelector);
        } catch (TimeoutException e) {
            throw new ProcessingException("Exception during LoginFormComponent set up", e);
        }
    }

    private WebElement getElementByXpath(WebDriver webDriver, String xpathExpression) {
        WebDriverWait wait = new WebDriverWait(webDriver, TIMEOUT);
        wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath(xpathExpression)));
        return webDriver.findElement(By.xpath(xpathExpression));
    }

    public void login(String login, String password) throws ProcessingException {
        int i = 0;
        while (!isFormFilledProperly(login, password)) {
            if (++i > MAX_ATTEMPTS) {
                throw new ProcessingException("Login failed after " + MAX_ATTEMPTS + " attempts to fill form.");
            }
            fill(loginInput, login);
            fill(passwordInput, password);
        }
        submit();
    }

    public boolean isFormFilledProperly(String login, String password) {
        return isFilledProperly(loginInput, login) && isFilledProperly(passwordInput, password);
    }

    private boolean isFilledProperly(WebElement element, String value) {
        return element.getAttribute(VALUE_ATTRIBUTE).equals(value);
    }

    private void submit() {
        submitButton.click();
    }

    private void fill(WebElement input, String value) {
        if (!isFilledProperly(input, value)) {
            js.executeScript(SET_VALUE_SCRIPT, input, value);
        }
    }

}