MyFileWriterTest.java import static org.junit.Assert.assertEquals; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; public class MyFileWriterTest { MyFileWriter myFileWriter1; MyFileWriter myFileWriter2; MyFileWriter myFileWriter3; MyFileWriter myFileWriter4; @BeforeEach void setUp() { this.myFileWriter1 =new MyFileWriter("test1_fw.txt"); // file with multiple words per line this.myFileWriter2 =new MyFileWriter("test2_fw.txt"); // similar to info.txt file this.myFileWriter3 =new MyFileWriter("test3_fw.txt"); // similar to info.txt file but with personal info added this.myFileWriter4 =new MyFileWriter("test4_fw.txt"); // similar to info.txt file but with different info and personal info added } @Test publicvoid testWriteToFile() { ArrayList actualLines = new ArrayList(); // Test file with multiple words per line actualLines.add("hello world"); actualLines.add("Course Name and ID"); actualLines.add("The quick brown fox jumps over the lazy dog."); // Write to file myFileWriter1.writeToFile(actualLines); // Read the written file to test its contents ArrayList expectedLines = readWrittenFile("test1_fw.txt"); assertEquals(expectedLines, actualLines); // Test original info.txt file actualLines.removeAll(actualLines); actualLines.add("Course: MCIT_590"); actualLines.add("CourseID: 590"); actualLines.add("StudentID: 101"); // Write to file myFileWriter2.writeToFile(actualLines); // Read the written file to test its contents expectedLines = readWrittenFile("test2_fw.txt"); assertEquals(expectedLines, actualLines); // TODO write at least 2 additional test cases using different MyFileWriters // Recommended: A test similar to info.txt file but with personal info added // Recommended: A test similar to info.txt file but with different info and personal info added } /** * Helper method for reading in the written file to check its contents. * @param writtenFilename to read * @return an ArrayList of the lines from the written file */ private ArrayList readWrittenFile(String writtenFilename) { ArrayList expectedLines = new ArrayList(); try { BufferedReader file = new BufferedReader(new FileReader(writtenFilename)); String line = file.readLine(); while (line !=null) { expectedLines.add(line); line = file.readLine(); } file.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return expectedLines; } }

MyFileWriterTest.java import static org.junit.Assert.assertEquals; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; public class MyFileWriterTest { MyFileWriter myFileWriter1; MyFileWriter myFileWriter2; MyFileWriter myFileWriter3; MyFileWriter myFileWriter4; @BeforeEach void setUp() { this.myFileWriter1 =new MyFileWriter("test1_fw.txt"); // file with multiple words per line this.myFileWriter2 =new MyFileWriter("test2_fw.txt"); // similar to info.txt file this.myFileWriter3 =new MyFileWriter("test3_fw.txt"); // similar to info.txt file but with personal info added this.myFileWriter4 =new MyFileWriter("test4_fw.txt"); // similar to info.txt file but with different info and personal info added } @Test publicvoid testWriteToFile() { ArrayList actualLines = new ArrayList(); // Test file with multiple words per line actualLines.add("hello world"); actualLines.add("Course Name and ID"); actualLines.add("The quick brown fox jumps over the lazy dog."); // Write to file myFileWriter1.writeToFile(actualLines); // Read the written file to test its contents ArrayList expectedLines = readWrittenFile("test1_fw.txt"); assertEquals(expectedLines, actualLines); // Test original info.txt file actualLines.removeAll(actualLines); actualLines.add("Course: MCIT_590"); actualLines.add("CourseID: 590"); actualLines.add("StudentID: 101"); // Write to file myFileWriter2.writeToFile(actualLines); // Read the written file to test its contents expectedLines = readWrittenFile("test2_fw.txt"); assertEquals(expectedLines, actualLines); // TODO write at least 2 additional test cases using different MyFileWriters // Recommended: A test similar to info.txt file but with personal info added // Recommended: A test similar to info.txt file but with different info and personal info added } /** * Helper method for reading in the written file to check its contents. * @param writtenFilename to read * @return an ArrayList of the lines from the written file */ private ArrayList readWrittenFile(String writtenFilename) { ArrayList expectedLines = new ArrayList(); try { BufferedReader file = new BufferedReader(new FileReader(writtenFilename)); String line = file.readLine(); while (line !=null) { expectedLines.add(line); line = file.readLine(); } file.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return expectedLines; } }

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

MyFileWriterTest.java

import static org.junit.Assert.assertEquals;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.util.ArrayList;

import org.junit.jupiter.api.BeforeEach;

import org.junit.jupiter.api.Test;

public class MyFileWriterTest {

MyFileWriter myFileWriter1;

MyFileWriter myFileWriter2;

MyFileWriter myFileWriter3;

MyFileWriter myFileWriter4;

@BeforeEach

void setUp() {

this.myFileWriter1 =new MyFileWriter("test1_fw.txt"); // file with multiple words per line

this.myFileWriter2 =new MyFileWriter("test2_fw.txt"); // similar to info.txt file

this.myFileWriter3 =new MyFileWriter("test3_fw.txt"); // similar to info.txt file but with personal info added

this.myFileWriter4 =new MyFileWriter("test4_fw.txt"); // similar to info.txt file but with different info and personal info added

}

@Test

publicvoid testWriteToFile() {

ArrayList<String> actualLines = new ArrayList<String>();

// Test file with multiple words per line

actualLines.add("hello world");

actualLines.add("Course Name and ID");

actualLines.add("The quick brown fox jumps over the lazy dog.");

// Write to file

myFileWriter1.writeToFile(actualLines);

// Read the written file to test its contents

ArrayList<String> expectedLines = readWrittenFile("test1_fw.txt");

assertEquals(expectedLines, actualLines);

// Test original info.txt file

actualLines.removeAll(actualLines);

actualLines.add("Course: MCIT_590");

actualLines.add("CourseID: 590");

actualLines.add("StudentID: 101");

// Write to file

myFileWriter2.writeToFile(actualLines);

// Read the written file to test its contents

expectedLines = readWrittenFile("test2_fw.txt");

assertEquals(expectedLines, actualLines);

// TODO write at least 2 additional test cases using different MyFileWriters

// Recommended: A test similar to info.txt file but with personal info added

// Recommended: A test similar to info.txt file but with different info and personal info added

}

/**

* Helper method for reading in the written file to check its contents.

* @param writtenFilename to read

* @return an ArrayList of the lines from the written file

private ArrayList<String> readWrittenFile(String writtenFilename) {

ArrayList<String> expectedLines = new ArrayList<String>();

try {

BufferedReader file = new BufferedReader(new FileReader(writtenFilename));

String line = file.readLine();

while (line !=null) {

expectedLines.add(line);

line = file.readLine();

}

file.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

}

catch (IOException e) {

e.printStackTrace();

}

return expectedLines;

}

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