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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;
import static cz.crcs.ectester.reader.test.Result.ExpectedValue;
import static cz.crcs.ectester.reader.test.Result.Value;
/**
* 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 Value getResultValue() {
if (!hasRun) {
return null;
}
return result.getValue();
}
public String getResultCause() {
if (!hasRun) {
return null;
}
return result.getCause();
}
public boolean ok() {
if (!hasRun) {
return true;
}
return result.ok();
}
public abstract String getDescription();
public boolean hasRun() {
return hasRun;
}
public abstract void run() throws CardException;
/**
* 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 Command command;
private Response response;
public Simple(Command command, BiFunction<Command, Response, Result> callback) {
this.command = command;
this.callback = callback;
}
public Simple(Command command, ExpectedValue expected, String ok, String nok) {
this(command, (cmd, resp) -> {
Value resultValue = Value.fromExpected(expected, resp.successful(), resp.error());
return new Result(resultValue, resultValue.ok() ? ok : nok);
});
}
public Simple(Command command, ExpectedValue expected) {
this(command, expected, null, null);
}
public Command getCommand() {
return command;
}
public Response getResponse() {
return response;
}
@Override
public void run() throws CardException {
if (hasRun)
return;
response = command.send();
if (callback != null) {
result = callback.apply(command, response);
} else {
if (response.successful()) {
result = new Result(Value.SUCCESS);
} else {
result = new Result(Value.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;
}
private Compound(Function<Test[], Result> callback, String descripiton, Test... tests) {
this(callback, tests);
this.description = descripiton;
}
public static Compound function(Function<Test[], Result> callback, Test... tests) {
return new Compound(callback, tests);
}
public static Compound function(Function<Test[], Result> callback, String description, Test... tests) {
return new Compound(callback, description, tests);
}
public static Compound all(ExpectedValue what, Test... all) {
return new Compound((tests) -> {
for (Test test : tests) {
if (!Value.fromExpected(what, test.ok()).ok()) {
return new Result(Value.FAILURE, "At least one of the sub-tests did not have the expected result.");
}
}
return new Result(Value.SUCCESS, "All sub-tests had the expected result.");
}, all);
}
public static Compound all(ExpectedValue what, String description, Test... all) {
Compound result = Compound.all(what, all);
result.setDescription(description);
return result;
}
public static Compound any(ExpectedValue what, Test... any) {
return new Compound((tests) -> {
for (Test test : tests) {
if (Value.fromExpected(what, test.ok()).ok()) {
return new Result(Value.SUCCESS, "At least one of the sub-tests did have the expected result.");
}
}
return new Result(Value.FAILURE, "None of the sub-tests had the expected result.");
}, any);
}
public static Compound any(ExpectedValue what, String description, Test... any) {
Compound result = Compound.any(what, any);
result.setDescription(description);
return result;
}
public static Compound mask(ExpectedValue[] results, Test... masked) {
return new Compound((tests) -> {
for (int i = 0; i < results.length; ++i) {
if (!Value.fromExpected(results[i], tests[i].ok()).ok()) {
return new Result(Value.FAILURE, "At least one of the sub-tests did not match the result mask.");
}
}
return new Result(Value.SUCCESS, "All sub-tests matched the expected mask.");
}, masked);
}
public static Compound mask(ExpectedValue[] results, String description, Test... masked) {
Compound result = Compound.mask(results, masked);
result.setDescription(description);
return result;
}
public Test[] getTests() {
return tests;
}
@Override
public void run() throws CardException {
if (hasRun)
return;
for (Test test : tests) {
test.run();
}
result = callback.apply(tests);
this.hasRun = true;
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String getDescription() {
return description;
}
}
}
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