com.asakusafw.testdriver.core

Interface ModelVerifier<T>

Type Parameters:

T - type of model

public interface ModelVerifier<T>

Model Verifier.

Since:

0.2.0

Method Summary

Modifier and Type	Method and Description
Object	getKey(T target) Returns the key of the target data model.
Object	verify(T expected, T actual) Verifies each model object and returns error report.

Method Detail

getKey

Object getKey(T target)

Returns the key of the target data model.

This method must return objects which have both Object.equals(Object) and Object.hashCode().

example:

@Override Object getKey(T target) {
    return Arrays.asList(target.getKey1(), target.getKey2());
}

Parameters:

target - the target

Returns:

the key

Throws:

IllegalArgumentException - if some parameters were null

verify

Object verify(T expected,
              T actual)

Verifies each model object and returns error report.

example:

@Override Object verify(T expected, T actual) {
    if (expected == null) {
        return "unexpected"; // unexpected results
    } else if (actual == null) {
        return null; // ignores unnecessary results
    } else if (expected.getValue() != actual.getValue()) {
        return "value"; // invalid
    }
    return null; // successfully verified
}

Parameters:

expected - the expected model object, or null if there are no corresponded to the actual model object

actual - the actual model object in test results, or null if there are no corresponded to the expected model object

Returns:

diagnostic message, or null if successfully verified