unit-testing - Grails getErrorCount()返回多个错误，如何获取错误列表？

Question

我在grails中对此字段有此约束:

businessNumber(matches: '([0-9A-Z]*9)RA([0-9A-Z]*4)', maxSize: 15)

我放置maxSize约束，以便grails在html View 中嵌入maxlength属性。我对约束进行了单元测试，如下所示:

void testBusinessNumberExceedMaxSize(){
        mockChildrenSpecialAllowancesForm.setBusinessNumber("F%G&Hy934F4G6H%55")
        assertFalse (mockChildrenSpecialAllowancesForm.validate())
        assertEquals ("maxSize",mockChildrenSpecialAllowancesForm.errors.businessNumber)
        assertEquals (2, mockChildrenSpecialAllowancesForm.errors.getErrorCount())
    }

然后，它会产生以下故障:

testBusinessNumberExceedMaxSize(com.ass.socialservicescm.ChildrenSpecialAllowancesTests)
|  org.junit.ComparisonFailure: expected:<ma[xSize]> but was:<ma[tches]>
    at org.junit.Assert.assertEquals(Assert.java:125)
    at org.junit.Assert.assertEquals(Assert.java:147)
    at com.ass.socialservicescm.ChildrenSpecialAllowancesTests.testBusinessNumberExceedMaxSize(ChildrenSpecialAllowancesTests.groovy:177)

我假设它违反了2个约束(因为我的错误计数是2)，一个是maxSize，另一个是match。但是我如何为maxSize约束做一个assertEquals？

注意:我正在使用grails 2.0.0

Answer 1

我使用它将所有验证异常解析为一个String，然后在调用代码中执行assertEquals并将其与此结果进行比较。也许有一种更简单的方法，但是现在对我来说有效。

public static String getErrorString(errors) {
    StringBuffer errorMsg = new StringBuffer();
    errors.allErrors.each {
        if (it instanceof org.springframework.validation.FieldError) {
            if ((it.defaultMessage) == null) {
                errorMsg.append('Error-> ObjectName:' + it.getObjectName() + ' /Field:' + it.getField() + ' /RejectedValue:' + it.getRejectedValue() + ".\n");
            } else {
                errorMsg.append(doReplace((String) it.defaultMessage, it.arguments) + "\n");
            }
        }
    }
    return errorMsg.toString();
}

public static String doReplace(String error, Object[] arguments) {
    int index = 0;
    arguments.each {
        error = error.replace("{" + index + "}", it.toString());
        index++;
    }
    return error;
}