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Added getScanner() method for Cli class with test for testing stream integration

feature-cli
Nick Stolbov 3 years ago
parent
commit
046403eb8f
  1. 12
      src/main/java/Application/Cli.java
  2. 4
      src/main/java/Main.java
  3. 15
      src/test/java/Application/CliTest.java

12
src/main/java/Application/Cli.java

@ -1,16 +1,26 @@
package Application;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Scanner;
public class Cli {
private PrintStream printStream;
private InputStream inputStream;
private Scanner scanner;
public Cli(PrintStream printStream) {
public Cli(PrintStream printStream, InputStream inputStream) {
this.printStream = printStream;
this.inputStream = inputStream;
this.scanner = new Scanner(inputStream);
}
public PrintStream getPrintStream() {
return this.printStream;
}
public Scanner getScanner(){
return this.scanner;
}
}

4
src/main/java/Main.java

@ -7,8 +7,8 @@ public class Main {
public static void main(String[] args) {
Tictactoe ttt = new Tictactoe();
Cli cli = new Cli(System.out);
Scanner scan = new Scanner(System.in);
Cli cli = new Cli(System.out, System.in);
Scanner scan = cli.getScanner();
ttt.print(cli);
while (scan.hasNext()) {
ttt.update(scan.next());

15
src/test/java/Application/CliTest.java

@ -4,7 +4,9 @@ import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.PrintStream;
import static org.junit.jupiter.api.Assertions.assertEquals;
@ -13,23 +15,34 @@ class CliTest {
private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
private final PrintStream originalOut = System.out;
private final ByteArrayInputStream inContent = new ByteArrayInputStream("Test".getBytes());
private final InputStream originalIn = System.in;
Cli cli;
@BeforeEach
void setUp() {
System.setOut(new PrintStream(outContent));
cli = new Cli(System.out);
System.setIn(inContent);
cli = new Cli(System.out, System.in);
}
@AfterEach
void tearDown() {
System.setOut(originalOut);
System.setIn(originalIn);
}
//Only tests correct stream integration, other methods are provided
@Test
void getPrintStream() {
cli.getPrintStream().println("Hello World!");
assertEquals("Hello World!\n", outContent.toString().replaceAll("\r", ""));
}
//Only tests correct stream integration, other methods are provided
@Test
void getScanner() {
assertEquals(cli.getScanner().next(), "Test");
}
}
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