io.cucumber.junit.UndefinedStepException Maven / Gradle / Ivy
package io.cucumber.junit;
import io.cucumber.plugin.event.SnippetsSuggestedEvent.Suggestion;
import java.util.Collection;
import java.util.stream.Collectors;
final class UndefinedStepException extends RuntimeException {
private static final long serialVersionUID = 1L;
UndefinedStepException(Collection suggestions) {
super(createMessage(suggestions), null, false, false);
}
private static String createMessage(Collection suggestions) {
if (suggestions.isEmpty()) {
return "This step is undefined";
}
Suggestion first = suggestions.iterator().next();
StringBuilder sb = new StringBuilder("The step '" + first.getStep() + "'");
if (suggestions.size() == 1) {
sb.append(" is undefined.");
} else {
sb.append(" and ").append(suggestions.size() - 1).append(" other step(s) are undefined.");
}
sb.append("\n");
if (suggestions.size() == 1) {
sb.append("You can implement this step using the snippet(s) below:\n\n");
} else {
sb.append("You can implement these steps using the snippet(s) below:\n\n");
}
String snippets = suggestions
.stream()
.map(Suggestion::getSnippets)
.flatMap(Collection::stream)
.distinct()
.collect(Collectors.joining("\n", "", "\n"));
sb.append(snippets);
return sb.toString();
}
}