com.softicar.platform.common.core.constant.container.validator.result.ConstantContainerValidatorResultAsserter Maven / Gradle / Ivy

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The SoftiCAR Platform is a lightweight, Java-based library to create interactive business web applications.

There is a newer version: 50.0.0

package com.softicar.platform.common.core.constant.container.validator.result;

import com.softicar.platform.common.core.constant.container.validator.error.IConstantContainerValidationError;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.function.Predicate;
import java.util.function.Supplier;

public class ConstantContainerValidatorResultAsserter {

	private final ArrayList> errors;

	public ConstantContainerValidatorResultAsserter(ConstantContainerValidatorResult result) {

		this.errors = new ArrayList<>(result.getErrors());
	}

	public void assertNoErrors() {

		if (!errors.isEmpty()) {
			StringBuilder message = new StringBuilder();
			message.append(String.format("Expected no more errors but got %s:\n", errors.size()));
			errors
				.forEach(
					error -> message//
						.append("\t")
						.append(error.getMessage())
						.append("\n"));
			throw new AssertionError(message.toString());
		}
	}

	public > ConstantContainerValidatorResultAsserter assertError(Class errorClass) {

		return assertError(//
			error -> errorClass.isInstance(error),
			() -> String.format("Expected error %s.", errorClass.getSimpleName()));
	}

	public > ConstantContainerValidatorResultAsserter assertError(String fieldName, Class errorClass) {

		return assertError(errorClass, fieldName);
	}

	public > ConstantContainerValidatorResultAsserter assertError(Class errorClass, String fieldName) {

		return assertError(//
			error -> isOnField(error, fieldName) && errorClass.isInstance(error),
			() -> String.format("Expected error %s on field %s.", errorClass.getSimpleName(), fieldName));
	}

	private boolean isOnField(IConstantContainerValidationError error, String fieldName) {

		return error.getField().map(field -> field.getName().equals(fieldName)).orElse(false);
	}

	private ConstantContainerValidatorResultAsserter assertError(Predicate> predicate, Supplier errorSupplier) {

		Iterator> iterator = errors.iterator();
		while (iterator.hasNext()) {
			IConstantContainerValidationError error = iterator.next();
			if (predicate.test(error)) {
				iterator.remove();
				return this;
			}
		}
		throw new AssertionError(errorSupplier.get());
	}
}