Package ru.vyarus.dropwizard.guice.test.util.io

Class SystemInMock

java.lang.Object

java.io.InputStream

ru.vyarus.dropwizard.guice.test.util.io.SystemInMock

All Implemented Interfaces:

Closeable, AutoCloseable

public class SystemInMock
extends InputStream

System in mock implementation. Should be used to substitute system input stream in order to mock user input in tests. SystemInMock in = new SystemInMock(); System.setIn(in); in.provideText(..);.

Error would be thrown in case of not enough user inputs provided.

Original code taken from System rules library (see TextFromStandardInputStream) with some modifications.

Since:

20.11.2023

Constructor Summary

Constructors

Constructor	Description
SystemInMock()	Create system in substitutor.

Method Summary

Modifier and Type	Method	Description
int	getReads()
void	provideText(String... lines)
int	read()
int	read(byte[] buffer, int offset, int len)

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

SystemInMock

public SystemInMock()

Create system in substitutor.

Method Details

provideText

public void provideText(String... lines)

Parameters:

lines - mock system in source

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer,
 int offset,
 int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

getReads

public int getReads()

Returns:

count of user input requests