com.vaadin.flow.testutil

Class FrontendStubs

java.lang.Object

com.vaadin.flow.testutil.FrontendStubs

public class FrontendStubs
extends Object

Utility class for stubbing Node.JS and Webpack scripts.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FrontendStubs.Tool Types of build tools.
static class	FrontendStubs.ToolStubBuilder Builds a new instance of FrontendStubs.ToolStubInfo.
static class	FrontendStubs.ToolStubInfo Holds an information about build tool to be stubbed.

Field Summary

Fields

Modifier and Type	Field and Description
static String	WEBPACK_SERVER
static String	WEBPACK_TEST_OUT_FILE

Method Summary

Modifier and Type	Method and Description
static void	createStubNode(boolean stubNode, boolean stubNpm, String baseDir) Creates stub versions of `node` and `npm` in the ./node folder as frontend-maven-plugin does.
static void	createStubNode(FrontendStubs.ToolStubInfo stubNode, FrontendStubs.ToolStubInfo stubNpm, String baseDir) Creates stub versions of `node` and `npm` in the ./node folder as frontend-maven-plugin does.
static void	createStubWebpackServer(String readyString, int milliSecondsToRun, String baseDir) Creates a stub webpack-dev-server able to output a ready string, sleep for a while and output arguments passed to a file, so as tests can check it.
static void	createStubWebpackServer(String readyString, int milliSecondsToRun, String baseDir, boolean enableListening) Creates a stub webpack-dev-server able to output a ready string, sleep for a while and output arguments passed to a file, so as tests can check it.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

WEBPACK_SERVER

public static final String WEBPACK_SERVER

See Also:

Constant Field Values

WEBPACK_TEST_OUT_FILE

public static final String WEBPACK_TEST_OUT_FILE

See Also:

Constant Field Values

Method Detail

createStubNode

public static void createStubNode(FrontendStubs.ToolStubInfo stubNode,
                                  FrontendStubs.ToolStubInfo stubNpm,
                                  String baseDir)
                           throws IOException

Creates stub versions of `node` and `npm` in the ./node folder as frontend-maven-plugin does.

Parameters:

stubNode - node stub information, including whether `node/node` (`node/node.exe`) stub should be created, and what version should it output if '-v' || '--version' flag are set.

stubNpm - npm stub information, including whether `node/node_modules/npm/bin/npm-cli` and `npx-cli` should be created, and what version should it output if '-v' || '--version' flag are set.

baseDir - parent to create `node` dir in

Throws:

IOException - when a file operation fails

createStubNode

public static void createStubNode(boolean stubNode,
                                  boolean stubNpm,
                                  String baseDir)
                           throws IOException

Creates stub versions of `node` and `npm` in the ./node folder as frontend-maven-plugin does. This method creates a default stubs for tool's versions.

Parameters:

stubNode - whether `node/node` (`node/node.exe`) stub should be created

stubNpm - whether `node/node_modules/npm/bin/npm-cli` and `npx-cli` should be created

baseDir - parent to create `node` dir in

Throws:

IOException - when a file operation fails

createStubWebpackServer

public static void createStubWebpackServer(String readyString,
                                           int milliSecondsToRun,
                                           String baseDir,
                                           boolean enableListening)
                                    throws IOException

Creates a stub webpack-dev-server able to output a ready string, sleep for a while and output arguments passed to a file, so as tests can check it.

Parameters:

readyString - string to output

milliSecondsToRun - time to keep the server running

baseDir - parent directory

enableListening - enable listening to port passed via `--port`

Throws:

IOException - when a file operation fails

createStubWebpackServer

public static void createStubWebpackServer(String readyString,
                                           int milliSecondsToRun,
                                           String baseDir)
                                    throws IOException

Creates a stub webpack-dev-server able to output a ready string, sleep for a while and output arguments passed to a file, so as tests can check it.

Parameters:

readyString - string to output

milliSecondsToRun - time to keep the server running

baseDir - parent directory

Throws:

IOException - when a file operation fails