Mixing
How to create objects in JUnit tests from abstract class
2
I hava an abstract class Printers and I just want to test its equals method but when I create two Printers in PrintersTest, I cannot instatiate them.
This is PrintersTest:
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
class PrintersTest {
@Test
void testEqualsObject() {
Printers a = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
}
and this is the Printers class:
import java.util.Objects;
public abstract class Printers {
protected String brand;
protected String model;
protected String pages;
protected String price;
public Printers(String brand, String model, String pages, String price) {
super();
this.brand = brand;
this.model = model;
this.pages = pages;
this.price = price;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof Printers)) {
return false;
}
Printers other = (Printers) obj;
return Objects.equals(brand, other.brand) && Objects.equals(model, other.model)
&& Objects.equals(pages, other.pages) && Objects.equals(price, other.price);
}
}
Thank you so much for your help.
java object junit abstract-class
edited Jan 2 at 13:31
deHaar
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
add a comment |
2
I hava an abstract class Printers and I just want to test its equals method but when I create two Printers in PrintersTest, I cannot instatiate them.
This is PrintersTest:
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
class PrintersTest {
@Test
void testEqualsObject() {
Printers a = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
}
and this is the Printers class:
import java.util.Objects;
public abstract class Printers {
protected String brand;
protected String model;
protected String pages;
protected String price;
public Printers(String brand, String model, String pages, String price) {
super();
this.brand = brand;
this.model = model;
this.pages = pages;
this.price = price;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof Printers)) {
return false;
}
Printers other = (Printers) obj;
return Objects.equals(brand, other.brand) && Objects.equals(model, other.model)
&& Objects.equals(pages, other.pages) && Objects.equals(price, other.price);
}
}
Thank you so much for your help.
java object junit abstract-class
edited Jan 2 at 13:31
deHaar
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34
add a comment |
2
2
2
I hava an abstract class Printers and I just want to test its equals method but when I create two Printers in PrintersTest, I cannot instatiate them.
This is PrintersTest:
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
class PrintersTest {
@Test
void testEqualsObject() {
Printers a = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
}
and this is the Printers class:
import java.util.Objects;
public abstract class Printers {
protected String brand;
protected String model;
protected String pages;
protected String price;
public Printers(String brand, String model, String pages, String price) {
super();
this.brand = brand;
this.model = model;
this.pages = pages;
this.price = price;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof Printers)) {
return false;
}
Printers other = (Printers) obj;
return Objects.equals(brand, other.brand) && Objects.equals(model, other.model)
&& Objects.equals(pages, other.pages) && Objects.equals(price, other.price);
}
}
Thank you so much for your help.
java object junit abstract-class
edited Jan 2 at 13:31
deHaar
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
I hava an abstract class Printers and I just want to test its equals method but when I create two Printers in PrintersTest, I cannot instatiate them.
This is PrintersTest:
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
class PrintersTest {
@Test
void testEqualsObject() {
Printers a = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Printers("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
}
and this is the Printers class:
import java.util.Objects;
public abstract class Printers {
protected String brand;
protected String model;
protected String pages;
protected String price;
public Printers(String brand, String model, String pages, String price) {
super();
this.brand = brand;
this.model = model;
this.pages = pages;
this.price = price;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof Printers)) {
return false;
}
Printers other = (Printers) obj;
return Objects.equals(brand, other.brand) && Objects.equals(model, other.model)
&& Objects.equals(pages, other.pages) && Objects.equals(price, other.price);
}
}
Thank you so much for your help.
java object junit abstract-class
java object junit abstract-class
edited Jan 2 at 13:31
deHaar
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
edited Jan 2 at 13:31
deHaar
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
edited Jan 2 at 13:31
deHaar
2,60051729
edited Jan 2 at 13:31
deHaar
2,60051729
edited Jan 2 at 13:31
deHaar
2,60051729
2,60051729
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
asked Jan 2 at 13:26
Pablo BiedmaPablo Biedma
378115
378115
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34
add a comment |
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34
add a comment |
1 Answer
1
active
oldest
votes
2
You need to have another class extend from printers (probably you already have it) like a type of printer or whatever, then in your test class, you create a new Printer based on that class like this:
@Test
void testEqualsObject() {
Printers a = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
That will solve your problem as you will not need to instantiate Printers.
edited Jan 2 at 13:39
Pablo Biedma
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f54007214%2fhow-to-create-objects-in-junit-tests-from-abstract-class%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
2
You need to have another class extend from printers (probably you already have it) like a type of printer or whatever, then in your test class, you create a new Printer based on that class like this:
@Test
void testEqualsObject() {
Printers a = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
That will solve your problem as you will not need to instantiate Printers.
edited Jan 2 at 13:39
Pablo Biedma
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
add a comment |
2
You need to have another class extend from printers (probably you already have it) like a type of printer or whatever, then in your test class, you create a new Printer based on that class like this:
@Test
void testEqualsObject() {
Printers a = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
That will solve your problem as you will not need to instantiate Printers.
edited Jan 2 at 13:39
Pablo Biedma
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
add a comment |
2
2
2
You need to have another class extend from printers (probably you already have it) like a type of printer or whatever, then in your test class, you create a new Printer based on that class like this:
@Test
void testEqualsObject() {
Printers a = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
That will solve your problem as you will not need to instantiate Printers.
edited Jan 2 at 13:39
Pablo Biedma
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
You need to have another class extend from printers (probably you already have it) like a type of printer or whatever, then in your test class, you create a new Printer based on that class like this:
@Test
void testEqualsObject() {
Printers a = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
Printers b = new Bw("BW_LASER HP", "Laserjet 1230", "25", "180 euros");
assertEquals(a,b);
}
That will solve your problem as you will not need to instantiate Printers.
edited Jan 2 at 13:39
Pablo Biedma
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
edited Jan 2 at 13:39
Pablo Biedma
378115
edited Jan 2 at 13:39
Pablo Biedma
378115
edited Jan 2 at 13:39
Pablo Biedma
378115
378115
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
answered Jan 2 at 13:35
Irina CrabbsIrina Crabbs
637
637
add a comment |
add a comment |
draft saved
draft discarded
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f54007214%2fhow-to-create-objects-in-junit-tests-from-abstract-class%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
have a look on stackoverflow.com/questions/7569444/…
– franki3xe
Jan 2 at 13:30
You have to implement it or use anonymous class.
– NEGR KITAEC
Jan 2 at 13:34