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[plugin-web-app] Add step to download files from Chrome downloads page
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| /* | ||
| * Copyright 2019-2024 the original author or authors. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://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 org.vividus.steps.ui.web; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.Base64; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
|
|
||
| import org.apache.commons.io.FilenameUtils; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.commons.lang3.Validate; | ||
| import org.jbehave.core.annotations.When; | ||
| import org.openqa.selenium.WebElement; | ||
| import org.openqa.selenium.remote.Browser; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.vividus.context.VariableContext; | ||
| import org.vividus.selenium.manager.IWebDriverManager; | ||
| import org.vividus.softassert.ISoftAssert; | ||
| import org.vividus.ui.action.IWaitActions; | ||
| import org.vividus.ui.monitor.TakeScreenshotOnFailure; | ||
| import org.vividus.ui.web.action.WebJavascriptActions; | ||
| import org.vividus.variable.VariableScope; | ||
|
|
||
| @TakeScreenshotOnFailure | ||
| public class ChromeExperimentalSteps | ||
| { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(ChromeExperimentalSteps.class); | ||
|
|
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| private static final String CHROME_DOWNLOADS_PAGE = "chrome://downloads"; | ||
|
|
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| private final WebJavascriptActions javascriptActions; | ||
| private final IWebDriverManager webDriverManager; | ||
| private final ISoftAssert softAssert; | ||
| private final VariableContext variableContext; | ||
| private final IWaitActions waitActions; | ||
| private final PageSteps pageSteps; | ||
| private final WindowSteps windowSteps; | ||
|
|
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| private Duration fileDownloadTimeout; | ||
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| public ChromeExperimentalSteps(WebJavascriptActions javascriptActions, IWebDriverManager webDriverManager, | ||
| ISoftAssert softAssert, VariableContext variableContext, IWaitActions waitActions, | ||
| PageSteps pageSteps, WindowSteps windowSteps) | ||
| { | ||
| this.javascriptActions = javascriptActions; | ||
| this.webDriverManager = webDriverManager; | ||
| this.softAssert = softAssert; | ||
| this.variableContext = variableContext; | ||
| this.waitActions = waitActions; | ||
| this.pageSteps = pageSteps; | ||
| this.windowSteps = windowSteps; | ||
| } | ||
|
|
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| /** | ||
| * <b>Warning!</b> This step can be used only for <i>desktop/chrome</i> profile. <br> | ||
| * Downloads the file from the website and saves its content to the specified variable. | ||
| * <p> | ||
| * Actions performed at this step: | ||
| * <ul> | ||
| * <li>Switch the browser to the download manager page; | ||
| * <li>Search for the latest downloaded file with a name that matches the provided regex; | ||
| * <li>Wait until the file download is complete; | ||
| * <li>Store file content into a variable with the specific scope; | ||
| * <li>Close the download manager page and return to the previously opened page; | ||
| * </ul> | ||
| * @param regex Regular expression to filter downloaded files by name. | ||
| * @param scopes The set (comma separated list of scopes e.g.: STORY, NEXT_BATCHES) of the variable | ||
| * scopes.<br> | ||
| * <i>Available scopes:</i> | ||
| * <ul> | ||
| * <li><b>STEP</b> - the variable will be available only within the step, | ||
| * <li><b>SCENARIO</b> - the variable will be available only within the scenario, | ||
| * <li><b>STORY</b> - the variable will be available within the whole story, | ||
| * <li><b>NEXT_BATCHES</b> - the variable will be available starting from next batch | ||
| * </ul> | ||
| * @param variableName The variable name to store the path to the temporary file with the file content. | ||
| */ | ||
| @When("I download file with name matching `$regex` from browser downloads" | ||
| + " and save its content to $scopes variable `$variableName`") | ||
| public void downloadFile(String regex, Set<VariableScope> scopes, String variableName) | ||
| { | ||
| Validate.isTrue(webDriverManager.isBrowserAnyOf(Browser.CHROME), | ||
| "The step is supported only on Chrome browser."); | ||
| pageSteps.openPageInNewTab(CHROME_DOWNLOADS_PAGE); | ||
| try | ||
| { | ||
| Optional<String> filePathOpt = searchForFile(regex); | ||
| if (filePathOpt.isEmpty()) | ||
| { | ||
| List<String> downloadedFiles = javascriptActions | ||
| .executeScriptFromResource(ChromeExperimentalSteps.class, "chrome-download-files-list.js"); | ||
| String errorMessage = downloadedFiles.isEmpty() ? "There are no files on the browser downloads page" | ||
| : "Unable to find any file matching regex [" + regex | ||
| + "] among files on the browser downloads page: " + String.join(", ", downloadedFiles); | ||
| softAssert.recordFailedAssertion(errorMessage); | ||
| return; | ||
| } | ||
| String filePath = filePathOpt.get(); | ||
| LOGGER.atInfo().addArgument(() -> FilenameUtils.getName(filePath)) | ||
| .log("Waiting for the {} file to download"); | ||
| if (!isFileDownloadComplete(filePath)) | ||
| { | ||
| return; | ||
| } | ||
| LOGGER.info("Download for the {} file is completed", filePath); | ||
| String content = getFileContent(filePath); | ||
| variableContext.putVariable(scopes, variableName, Base64.getDecoder().decode(content)); | ||
| } | ||
| finally | ||
| { | ||
| windowSteps.closeCurrentTab(); | ||
| } | ||
| } | ||
|
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| private String getFileContent(String filePath) | ||
| { | ||
| WebElement input = (WebElement) javascriptActions.executeScriptFromResource(ChromeExperimentalSteps.class, | ||
| "chrome-download-create-input.js"); | ||
| input.sendKeys(filePath); | ||
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| String content = javascriptActions.executeAsyncScriptFromResource(ChromeExperimentalSteps.class, | ||
| "chrome-download-get-file-content.js", input); | ||
| return StringUtils.substringAfter(content, "base64,"); | ||
| } | ||
|
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| private boolean isFileDownloadComplete(String filePath) | ||
| { | ||
| return waitActions.wait(javascriptActions, fileDownloadTimeout, | ||
| js -> js.executeScriptFromResource(ChromeExperimentalSteps.class, "chrome-download-wait.js", filePath), | ||
|
Check warning on line 146 in vividus-plugin-web-app/src/main/java/org/vividus/steps/ui/web/ChromeExperimentalSteps.java
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| true).isWaitPassed(); | ||
| } | ||
|
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| private Optional<String> searchForFile(String fileNameRegex) | ||
| { | ||
| String filePath = javascriptActions.executeScriptFromResource(ChromeExperimentalSteps.class, | ||
| "chrome-download-search-file.js", fileNameRegex); | ||
| return Optional.ofNullable(filePath); | ||
| } | ||
|
|
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| public void setFileDownloadTimeout(Duration fileDownloadTimeout) | ||
| { | ||
| this.fileDownloadTimeout = fileDownloadTimeout; | ||
| } | ||
| } | ||
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| var input = window.document.createElement('INPUT'); | ||
| input.setAttribute('type', 'file'); | ||
| input.setAttribute('id', 'downloadedFileContent'); | ||
| input.hidden = true; | ||
| input.onchange = function (e) { e.stopPropagation() }; | ||
| return window.document.documentElement.appendChild(input); |
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| return document.querySelector('downloads-manager') | ||
| .shadowRoot | ||
| .querySelector('#downloadsList') | ||
| .items | ||
| .map(e => e.fileName) |
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| var input = arguments[0], callback = arguments[1]; | ||
| var reader = new FileReader(); | ||
| reader.onload = function (ev) { callback(reader.result) }; | ||
| reader.onerror = function (ex) { callback(ex.message) }; | ||
| reader.readAsDataURL(input.files[0]); | ||
| input.remove(); |
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| Original file line number | Diff line number | Diff line change |
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| return document.querySelector('downloads-manager') | ||
| .shadowRoot | ||
| .querySelector('#downloadsList') | ||
| .items | ||
| .filter(e => e.fileName.match(arguments[0])) | ||
| .sort((a, b) => b.started - a.started) | ||
| .map(e => e.filePath)[0] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| return document.querySelector('downloads-manager') | ||
| .shadowRoot | ||
| .querySelector('#downloadsList') | ||
| .items | ||
| .find(e => e.filePath === arguments[0]) | ||
| .state === 2 |
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