package com.dhemery.polling;
import org.hamcrest.Description;
import org.hamcrest.StringDescription;
/**
* Asserts that a condition is satisfied.
*/
public class ConditionAssert {
private ConditionAssert(){}
/**
* Assert that the condition is satisfied.
* @throws AssertionError if the condition is not satisfied
*/
public static void assertThat(Condition condition) {
if(condition.isSatisfied()) return;
Description description = new StringDescription();
description.appendText("\nExpected: ")
.appendDescriptionOf(condition)
.appendText("\n but: ");
condition.describeDissatisfactionTo(description);
throw new AssertionError(description.toString());
}
}