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package cz.crcs.ectester.reader.test;
import cz.crcs.ectester.reader.command.Command;
import cz.crcs.ectester.reader.response.Response;
import javax.smartcardio.CardException;
import java.util.function.BiFunction;
import java.util.function.Function;
/**
* An abstract test that can be run and has a Result.
*
* @author Jan Jancar johny@neuromancer.sk
*/
public abstract class Test {
boolean hasRun = false;
Result result;
public Result getResult() {
if (!hasRun) {
return null;
}
return result;
}
public abstract String getDescription();
public boolean hasRun() {
return hasRun;
}
public abstract boolean ok();
public abstract void run() throws CardException;
/**
* A result of a Test.
*/
public enum Result {
SUCCESS,
FAILURE,
ANY
}
/**
* A simple test that runs one Command to get and evaluate one Response
* to get a Result and compare it with the expected one.
*/
public static class Simple extends Test {
private BiFunction<Command, Response, Result> callback;
private Result expected;
private Command command;
private Response response;
public Simple(Command command, Result expected) {
this.command = command;
this.expected = expected;
}
public Simple(Command command, Result expected, BiFunction<Command, Response, Result> callback) {
this(command, expected);
this.callback = callback;
}
public Command getCommand() {
return command;
}
public Response getResponse() {
return response;
}
public Result getExpected() {
return expected;
}
@Override
public boolean ok() {
return result == expected || expected == Result.ANY;
}
@Override
public void run() throws CardException {
response = command.send();
if (callback != null) {
result = callback.apply(command, response);
} else {
if (response.successful()) {
result = Result.SUCCESS;
} else {
result = Result.FAILURE;
}
}
hasRun = true;
}
@Override
public String getDescription() {
return response.getDescription();
}
}
/**
* A compound test that runs many Tests and has a Result dependent on all/some of their Results.
*/
public static class Compound extends Test {
private Function<Test[], Result> callback;
private Test[] tests;
private String description;
private Compound(Function<Test[], Result> callback, Test... tests) {
this.callback = callback;
this.tests = tests;
}
public static Compound function(Function<Test[], Result> callback, Test... tests) {
return new Compound(callback, tests);
}
public static Compound all(Result what, Test... all) {
return new Compound((tests) -> {
for (Test test : tests) {
if (test.getResult() != what) {
return Result.FAILURE;
}
}
return Result.SUCCESS;
}, all);
}
public static Compound any(Result what, Test... any) {
return new Compound((tests) -> {
for (Test test : tests) {
if (test.getResult() == what) {
return Result.SUCCESS;
}
}
return Result.FAILURE;
}, any);
}
public Test[] getTests() {
return tests;
}
@Override
public boolean ok() {
return result == Result.SUCCESS;
}
@Override
public void run() throws CardException {
for (Test test : tests) {
test.run();
}
result = callback.apply(tests);
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String getDescription() {
return description;
}
}
}
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