net.masterthought.cucumber.util.StepNameFormatter Maven / Gradle / Ivy

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Provides pretty html reports for Cucumber. It works by generating html from the cucumber json file.

There is a newer version: 5.8.2

package net.masterthought.cucumber.util;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;

import net.masterthought.cucumber.json.support.Argument;

public class StepNameFormatter {

    public static final StepNameFormatter INSTANCE = new StepNameFormatter();

    public static String format(String stepName, Argument[] arguments, String preArgument, String postArgument) {
        if (ArrayUtils.isEmpty(arguments)) {
            return StringEscapeUtils.escapeHtml(stepName);
        }

        String[] chars = splitIntoCharacters(stepName);

        escape(chars);
        surroundArguments(arguments, preArgument, postArgument, chars);

        return StringUtils.join(chars);
    }

    /**
     * Splits a string into an array of individual characters (each a String).
     * splitIntoCharacters("Text") = ["T", "e", "x", "t"]
     */
    private static String[] splitIntoCharacters(String str) {
        return str.split("(?!^)");
    }

    private static void surroundArguments(Argument[] arguments, String preArgument, String postArgument, String[] chars) {
        for (Argument argument : arguments) {
            if (isNotMatchedArgument(argument)) {
                continue;
            }

            int start = argument.getOffset();
            int end = start + argument.getVal().length() - 1;
            if (isArgumentAtStartOfString(end) || isArgumentAtEndOfString(start, chars)) {
                continue;
            }

            chars[start] = preArgument + chars[start];
            chars[end] = chars[end] + postArgument;
        }
    }

    private static boolean isNotMatchedArgument(Argument argument) {
        return argument.getOffset() == null;
    }

    private static boolean isArgumentAtStartOfString(int end) {
        return end <= 0;
    }

    private static boolean isArgumentAtEndOfString(int start, String[] chars) {
        return start >= chars.length;
    }

    private static void escape(String[] chars) {
        for (int i = 0; i < chars.length; i++) {
            chars[i] = StringEscapeUtils.escapeHtml(chars[i]);
        }
    }
}