add testcase for inherition

This commit is contained in:
金戟 2020-11-21 22:53:32 +08:00
parent 2ae34e0b41
commit b8b4844c38
15 changed files with 368 additions and 74 deletions

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@ -1,24 +1,23 @@
package com.alibaba.testable.demo.model;
public class BlackBox implements Box {
private String data;
@Override
public void put(String something) {
data = something;
}
public class BlackBox extends Box implements Color {
public BlackBox(String data) {
this.data = data;
}
public String get() {
return data;
}
public static BlackBox secretBox() {
return new BlackBox("secret");
}
@Override
public void put(String something) {
data = something;
}
@Override
public String getColor() {
return "black";
}
}

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@ -1,7 +1,13 @@
package com.alibaba.testable.demo.model;
public interface Box {
abstract public class Box {
void put(String something);
protected String data;
abstract public void put(String something);
public String get() {
return data;
}
}

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@ -0,0 +1,7 @@
package com.alibaba.testable.demo.model;
public interface Color {
String getColor();
}

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@ -0,0 +1,60 @@
package com.alibaba.testable.demo.service;
import com.alibaba.testable.demo.model.BlackBox;
import com.alibaba.testable.demo.model.Box;
import com.alibaba.testable.demo.model.Color;
import org.springframework.stereotype.Service;
@Service
public class DemoInheritService {
/**
* call method overridden by sub class via parent class variable
*/
public Box putIntoBox() {
Box box = new BlackBox("");
box.put("data");
return box;
}
/**
* call method overridden by sub class via sub class variable
*/
public BlackBox putIntoBlackBox() {
BlackBox box = new BlackBox("");
box.put("data");
return box;
}
/**
* call method defined in parent class via parent class variable
*/
public String getFromBox() {
Box box = new BlackBox("data");
return box.get();
}
/**
* call method defined in parent class via sub class variable
*/
public String getFromBlackBox() {
BlackBox box = new BlackBox("data");
return box.get();
}
/**
* call method defined in interface via interface variable
*/
public String getColorViaColor() {
Color color = new BlackBox("");
return color.getColor();
}
/**
* call method defined in interface via sub class variable
*/
public String getColorViaBox() {
BlackBox box = new BlackBox("");
return box.getColor();
}
}

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@ -39,15 +39,6 @@ public class DemoMockService {
return BlackBox.secretBox();
}
/**
* method with override method invoke
*/
public Box putBox() {
Box box = new BlackBox("");
box.put("data");
return box;
}
/**
* two methods invoke same private method
*/

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@ -0,0 +1,88 @@
package com.alibaba.testable.demo.service;
import com.alibaba.testable.core.annotation.TestableMock;
import com.alibaba.testable.demo.model.BlackBox;
import com.alibaba.testable.demo.model.Box;
import com.alibaba.testable.demo.model.Color;
import org.junit.jupiter.api.Test;
import static com.alibaba.testable.core.matcher.InvokeVerifier.verify;
import static org.junit.jupiter.api.Assertions.*;
class DemoInheritServiceTest {
@TestableMock(targetMethod = "put")
private void put_into_box(Box self, String something) {
self.put("put_" + something + "_into_box");
}
@TestableMock(targetMethod = "put")
private void put_into_blackbox(BlackBox self, String something) {
self.put("put_" + something + "_into_blackbox");
}
@TestableMock(targetMethod = "get")
private String get_from_box(Box self) {
return "get_from_box";
}
@TestableMock(targetMethod = "get")
private String get_from_blackbox(BlackBox self) {
return "get_from_blackbox";
}
@TestableMock(targetMethod = "getColor")
private String get_color_from_color(Color self) {
return "color_from_color";
}
@TestableMock(targetMethod = "getColor")
private String get_color_from_blackbox(BlackBox self) {
return "color_from_blackbox";
}
private DemoInheritService inheritService = new DemoInheritService();
@Test
void should_able_to_mock_call_sub_object_method_by_parent_object() throws Exception {
BlackBox box = (BlackBox)inheritService.putIntoBox();
verify("put_into_box").withTimes(1);
assertEquals("put_data_into_box", box.get());
}
@Test
void should_able_to_mock_call_sub_object_method_by_sub_object() throws Exception {
BlackBox box = inheritService.putIntoBlackBox();
verify("put_into_blackbox").withTimes(1);
assertEquals("put_data_into_blackbox", box.get());
}
@Test
void should_able_to_mock_call_parent_object_method_by_parent_object() throws Exception {
String content = inheritService.getFromBox();
verify("get_from_box").withTimes(1);
assertEquals("get_from_box", content);
}
@Test
void should_able_to_mock_call_parent_object_method_by_sub_object() throws Exception {
String content = inheritService.getFromBlackBox();
verify("get_from_blackbox").withTimes(1);
assertEquals("get_from_blackbox", content);
}
@Test
void should_able_to_mock_call_interface_method_by_interface_object() throws Exception {
String color = inheritService.getColorViaColor();
verify("get_color_from_color").withTimes(1);
assertEquals("color_from_color", color);
}
@Test
void should_able_to_mock_call_interface_method_by_sub_class_object() throws Exception {
String color = inheritService.getColorViaBox();
verify("get_color_from_blackbox").withTimes(1);
assertEquals("color_from_blackbox", color);
}
}

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@ -2,7 +2,6 @@ package com.alibaba.testable.demo.service;
import com.alibaba.testable.core.annotation.TestableMock;
import com.alibaba.testable.demo.model.BlackBox;
import com.alibaba.testable.demo.model.Box;
import org.junit.jupiter.api.Test;
import java.util.concurrent.Executors;
@ -43,11 +42,6 @@ class DemoMockServiceTest {
return new BlackBox("not_secret_box");
}
@TestableMock
private void put(Box self, String something) {
self.put("put_" + something + "_mocked");
}
@TestableMock
private String callFromDifferentMethod(DemoMockService self) {
if (TEST_CASE.equals("should_able_to_get_test_case_name")) {
@ -87,13 +81,6 @@ class DemoMockServiceTest {
verify("secretBox").withTimes(1);
}
@Test
void should_able_to_mock_override_method() throws Exception {
BlackBox box = (BlackBox)demoService.putBox();
verify("put").withTimes(1);
assertEquals("put_data_mocked", box.get());
}
@Test
void should_able_to_get_source_method_name() throws Exception {
// synchronous

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@ -1,26 +1,29 @@
package com.alibaba.testable.demo.model
class BlackBox(private var data: String) : Box {
class BlackBox(var input: String) : Box(), Color {
init {
this.content = input
}
override fun put(something: String) {
data = something
content = something
}
fun get(): String {
return data
override val color: String
get() = "black"
fun trim(): String? {
return content?.trim()
}
fun trim(): String {
return data.trim()
}
fun substring(from: Int, to: Int): String {
return data.substring(from, to)
fun substring(from: Int, to: Int): String? {
return content?.substring(from, to)
}
fun startsWith(prefix: String): Boolean {
return data.startsWith(prefix)
return content?.startsWith(prefix) == true
}
companion object {

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@ -1,7 +1,13 @@
package com.alibaba.testable.demo.model
interface Box {
abstract class Box {
fun put(something: String)
var content: String? = null
abstract fun put(something: String)
open fun get(): String? {
return content
}
}

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@ -0,0 +1,7 @@
package com.alibaba.testable.demo.model
interface Color {
val color: String
}

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@ -0,0 +1,64 @@
package com.alibaba.testable.demo.service
import com.alibaba.testable.demo.model.BlackBox
import com.alibaba.testable.demo.model.Box
import com.alibaba.testable.demo.model.Color
import org.springframework.stereotype.Service
@Service
class DemoInheritService {
/**
* call method overridden by sub class via parent class variable
*/
fun putIntoBox(): Box {
val box: Box = BlackBox("")
box.put("data")
return box
}
/**
* call method overridden by sub class via sub class variable
*/
fun putIntoBlackBox(): BlackBox {
val box = BlackBox("")
box.put("data")
return box
}
/**
* call method defined in parent class via parent class variable
*/
val fromBox: String?
get() {
val box: Box = BlackBox("data")
return box.get()
}
/**
* call method defined in parent class via sub class variable
*/
val fromBlackBox: String?
get() {
val box = BlackBox("data")
return box.get()
}
/**
* call method defined in interface via interface variable
*/
val colorViaColor: String
get() {
val color: Color = BlackBox("")
return color.color
}
/**
* call method defined in interface via sub class variable
*/
val colorViaBox: String
get() {
val box = BlackBox("")
return box.color
}
}

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@ -14,7 +14,7 @@ class DemoMockService {
/**
* method with new operation
*/
fun newFunc(): String {
fun newFunc(): String? {
return BlackBox("something").get()
}
@ -40,15 +40,6 @@ class DemoMockService {
return ColorBox.createBox("Red", BlackBox.secretBox())
}
/**
* method with override method invoke
*/
fun putBox(): Box {
val box: Box = BlackBox("")
box.put("data")
return box
}
/**
* two methods invoke same private method
*/

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@ -0,0 +1,86 @@
package com.alibaba.testable.demo.service
import com.alibaba.testable.core.annotation.TestableMock
import com.alibaba.testable.core.matcher.InvokeVerifier
import com.alibaba.testable.demo.model.BlackBox
import com.alibaba.testable.demo.model.Box
import com.alibaba.testable.demo.model.Color
import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.Test
internal class DemoInheritServiceTest {
@TestableMock(targetMethod = "put")
private fun put_into_box(self: Box, something: String) {
self.put("put_" + something + "_into_box")
}
@TestableMock(targetMethod = "put")
private fun put_into_blackbox(self: BlackBox, something: String) {
self.put("put_" + something + "_into_blackbox")
}
@TestableMock(targetMethod = "get")
private fun get_from_box(self: Box): String {
return "get_from_box"
}
@TestableMock(targetMethod = "get")
private fun get_from_blackbox(self: BlackBox): String {
return "get_from_blackbox"
}
@TestableMock(targetMethod = "getColor")
private fun get_color_from_color(self: Color): String {
return "color_from_color"
}
@TestableMock(targetMethod = "getColor")
private fun get_color_from_blackbox(self: BlackBox): String {
return "color_from_blackbox"
}
private val inheritService = DemoInheritService()
@Test
fun should_able_to_mock_call_sub_object_method_by_parent_object() {
val box = inheritService.putIntoBox() as BlackBox
InvokeVerifier.verify("put_into_box").withTimes(1)
Assertions.assertEquals("put_data_into_box", box.get())
}
@Test
fun should_able_to_mock_call_sub_object_method_by_sub_object() {
val box = inheritService.putIntoBlackBox()
InvokeVerifier.verify("put_into_blackbox").withTimes(1)
Assertions.assertEquals("put_data_into_blackbox", box.get())
}
@Test
fun should_able_to_mock_call_parent_object_method_by_parent_object() {
val content = inheritService.fromBox
InvokeVerifier.verify("get_from_box").withTimes(1)
Assertions.assertEquals("get_from_box", content)
}
@Test
fun should_able_to_mock_call_parent_object_method_by_sub_object() {
val content = inheritService.fromBlackBox
InvokeVerifier.verify("get_from_blackbox").withTimes(1)
Assertions.assertEquals("get_from_blackbox", content)
}
@Test
fun should_able_to_mock_call_interface_method_by_interface_object() {
val color = inheritService.colorViaColor
InvokeVerifier.verify("get_color_from_color").withTimes(1)
Assertions.assertEquals("color_from_color", color)
}
@Test
fun should_able_to_mock_call_interface_method_by_sub_class_object() {
val color = inheritService.colorViaBox
InvokeVerifier.verify("get_color_from_blackbox").withTimes(1)
Assertions.assertEquals("color_from_blackbox", color)
}
}

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@ -4,7 +4,6 @@ import com.alibaba.testable.core.annotation.TestableMock
import com.alibaba.testable.core.matcher.InvokeVerifier.verify
import com.alibaba.testable.core.tool.TestableTool.*
import com.alibaba.testable.demo.model.BlackBox
import com.alibaba.testable.demo.model.Box
import com.alibaba.testable.demo.model.ColorBox
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Test
@ -37,11 +36,6 @@ internal class DemoMockServiceTest {
return BlackBox("White_${box.get()}")
}
@TestableMock
private fun put(self: Box, something: String) {
self.put("put_" + something + "_mocked")
}
@TestableMock
private fun callFromDifferentMethod(self: DemoMockService): String {
return if (TEST_CASE == "should_able_to_get_test_case_name") {
@ -83,13 +77,6 @@ internal class DemoMockServiceTest {
verify("createBox").withTimes(1)
}
@Test
fun should_able_to_mock_override_method() {
val box = demoService.putBox() as BlackBox
verify("put").withTimes(1)
assertEquals("put_data_mocked", box.get())
}
@Test
fun should_able_to_get_source_method_name() {
// synchronous

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@ -5,6 +5,18 @@
直接创建被测类对象,然后利用`TestableMock`访问私有成员的能力直接给这些字段赋值即可。
#### 2. 通过<u>接口对象或基类对象</u>指向派生类的实例,调用执行了派生类实现的方法。使用`@TestableMock`定义Mock方法时首个参数类型应该用 接口/基类 还是 派生类
#### 2. 父类变量指向子类对象时如何实现Mock方法
应该使用 接口/基类 类型,参见`should_able_to_mock_override_method`测试用例。
在代码中,经常会有使用<u>接口变量或父类变量</u>指向子类实例,调用父类或子类方法的情况。
这时候遵循一个原则Mock方法的首个参数类型**始终与发起调用的变量类型一致**。
因此不论被调用方法来自父类还是子类也不论子类是否覆写该方法Mock方法的首个参数类型都应该使用变量自身的接口或父类类型。
参见Java和Kotlin示例中`DemoInheritServiceTest`测试类的用例。
#### 3. `TestableMock`能否用于Android项目的测试
结合[Roboelectric](https://github.com/robolectric/robolectric)测试框架可使用。
Android系统的`Dalvik`和`ART`虚拟机采用了与标准JVM不同的字节码体系会影响`TestableMock`的正常工作。`Roboelectric`框架能在普通JVM虚拟机上运行Android单元测试其速度比通过Android虚拟机运行单元测试快非常多当下绝大多数Android App的单元测试都使用了`Roboelectric`框架。