遍历数组,每个元素进行JUnit测试 [英] Loop through array, each element a JUnit test
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问题描述
我有一个JUnit 4测试,它循环测试数据数组:
I have a JUnit 4 test that loops through an array of test data:
public @Test void testAll() {
final Object[][] sets = new Object[][] {
// SET TYPE VALUE
// --- valid sets
// groups
x(s(A,1, B,1, C,1), G),
x(s(A,4, B,4, D,4), G),
x(s(A,8, B,8, D,8, C,8), G),
x(s(J,J, B,4, D,4), G, 4*3),
x(s(A,9, J,J, D,9), G, 9*3),
x(s(A,2, B,2, C,2), G),
x(s(A,4, B,4, J,J), G, 4*3),
x(s(A,4, B,4, C,4, D,4), G),
// runs
x(s(A,1, A,2, A,3), R),
x(s(B,8, B,9, B,10), R),
x(s(J,J, C,2, C,3), R, 6),
x(s(D,8, D,9, J,J, D,11), R, 38),
x(s(D,8, D,9, J,J, J,J), R, 38),
// sames
x(s(A,1, A,1), S),
x(s(B,4, B,4, B,4), S),
x(s(C,8, C,8), S),
x(s(D,3, D,3), S),
// doubt-cases, assume group (TODO: verify this is correct)
x(s(J,J, J,J, D,4), G, 4*3),
x(s(A,7, J,J, J,J), G, 7*3),
x(s(J,J, D,9, J,J), G, 9*3),
x(s(J,J, J,J, J,J), G, 1),
// --- invalid sets
x(s(B,1, A,2, A,3), I), // not same colour
x(s(D,11, D,12, J,J, J,J), I), // last joker is 14
x(s(B,1, B,1, A,1), I), // duplicate B1
x(s(A,1, A,2, A,3, A,5), I), // gap A4
x(s(J,J, A,1, J,J, B,1, C,1), I), // one J replaces D1, then nothing left to replace
x(s(A,1, A,2), I), // short
x(s(B,1), I), // shorter
x(s(A,5, A,6), I), // short
};
for (Object[] o : sets) {
TileSet s = (TileSet) o[0];
Type t = (Type) o[1];
int v = (Integer) o[2];
System.out.println(s);
assertEquals(t, s.getType());
assertEquals(v, s.getValue());
// test isValid, though it's Too Simple To Break(R)
if (t == Type.INVALID) assertFalse(s.isValid());
else assertTrue(s.isValid());
}
}
由于全部采用一种测试方法,因此一旦数组中的一个元素发生故障,整个测试就会停止.有没有一种方法可以解决每个测试项目的问题呢? 也许有些反思?
Because it's all in one test method, the whole test stops as soon as one element in the array fails. Is there a way around that, without making a method for each test item? Maybe something with reflection?
推荐答案
Use JUnit 4's parameterized tests. They are a perfect fit for this type of problem, although the documentation is quite lacking.
还有其他一些有关如何使用它们的示例.
Here are a few other samples on how to use them.:
- http://ourcraft.wordpress.com /2008/08/27/writing-a-parameterized-junit-test/
- http://www.mkyong.com/unittest /junit-4-tutorial-6-parameterized-test/
- http://ourcraft.wordpress.com/2008/08/27/writing-a-parameterized-junit-test/
- http://isagoksu.com/2009/development/agile-development/test-driven-development/using-junit-parameterized-annotation/
- http://www.mkyong.com/unittest/junit-4-tutorial-6-parameterized-test/
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