Created
March 12, 2014 03:31
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굳이 테스트를 정의 하는 클래스의 각각의 테스트케이스 메서드들이 파라메터를 가질 필요가 있나 싶었다.
테스트메서드들이 파라메터를 가진다는 것은 즉 그 메서드 자체가 하나의 단정문으로 굳어진다는 것을 의미한다.
나는 테스트클래스의 하나의 메서드들이 여러 단정문들의 조합으로 이루어진 논리적인 테스트케이스이길 바란다.
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package com.springapp.mvc; | |
public class Assert { | |
public static void isNotNull(Object expected,String message) { | |
if(null == expected){ | |
throw new AssertException(message); | |
} | |
} | |
public static void isTrue(boolean expr, String message) { | |
if(false == expr){ | |
throw new AssertException(message); | |
} | |
} | |
} |
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package com.springapp.mvc; | |
public class AssertException extends RuntimeException { | |
public AssertException(String message) { | |
super(message); | |
} | |
} |
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package com.springapp.mvc; | |
public class GuavaTest1 { | |
public void testForNonNullArgument(){ | |
Assert.isNotNull(null,"null값은 허용되지 않습니다."); | |
} | |
public void testDivisorNotZero(){ | |
Assert.isTrue(0!= 0,"0으로 나눌 수 없습니다."); | |
} | |
public void testArrayElement(){ | |
Assert.isTrue( 0 <= 3 && new String[]{"Dustin", "java"}.length > 3 ,"지정된 Array 요소 위치가 벗어났습니다."); | |
} | |
public void testArrayPosition(){ | |
Assert.isTrue( 0 <= 3 && new String[]{"Dustin", "java"}.length > 3 ,"지정된 Array 요소 위치가 벗어났습니다."); | |
} | |
public void testState(){ | |
Assert.isTrue(false, "반드시 true "); | |
} | |
} |
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package com.springapp.mvc; | |
public class TestMain { | |
public static void main(String[] args) { | |
TestRunner testRunner =new TestRunner(GuavaTest1.class); | |
testRunner.test("preconditions.checkNotNull", "testArrayElement"); | |
testRunner.test("precondition.checkArgument", "testDivisorNotZero"); | |
testRunner.test("Preconditions.checkElementIndex", "testForNonNullArgument"); | |
testRunner.test("Preconditions.checkPositionIndex", "testArrayPosition"); | |
testRunner.test("Preconditions.checkState", "testState"); | |
} | |
} |
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package com.springapp.mvc; | |
import java.lang.reflect.InvocationTargetException; | |
public interface TestMethodInvoker { | |
void invoker(Object testInstance, String testName) throws InvocationTargetException, IllegalAccessException; | |
} |
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package com.springapp.mvc; | |
import java.lang.reflect.InvocationTargetException; | |
import java.lang.reflect.Method; | |
import static java.lang.System.err; | |
public class TestRunner { | |
private final Class<?> testClass; | |
public TestRunner(Class<?> testClass) { | |
this.testClass = testClass ; | |
} | |
public void test(String message, String testName) { | |
printHeader(message); | |
try{ | |
TestMethodInvoker testcase = new TestMethodInvoker() { | |
@Override | |
public void invoker(Object testInstance, String testName) throws InvocationTargetException, IllegalAccessException { | |
for (Method each : testClass.getMethods()) { | |
if ( | |
isTestMehtod(each)) { | |
//each. | |
if (each.getName().equals(testName)) { | |
each.invoke(testInstance); | |
} | |
} | |
} | |
} | |
}; | |
testcase.invoker(testClass.newInstance(), testName); | |
}catch(Exception e){ | |
e.printStackTrace(); | |
} | |
} | |
private boolean isTestMehtod(Method each) { | |
return each.getName().startsWith("test") | |
|| each.getReturnType().equals("void"); | |
} | |
private void printHeader(final String newHeaderText){ | |
line(); | |
err.println(newHeaderText); | |
line(); | |
} | |
private static void line() { | |
err.println("=========================================="); | |
} | |
} |
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